WO2006068326A1 - 新規ポリペプチドおよびその用途 - Google Patents
新規ポリペプチドおよびその用途 Download PDFInfo
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- WO2006068326A1 WO2006068326A1 PCT/JP2005/024188 JP2005024188W WO2006068326A1 WO 2006068326 A1 WO2006068326 A1 WO 2006068326A1 JP 2005024188 W JP2005024188 W JP 2005024188W WO 2006068326 A1 WO2006068326 A1 WO 2006068326A1
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Definitions
- the present invention relates to a novel polypeptide or a salt thereof, a polynucleotide encoding the same, and uses thereof. Background technology.
- Neuromedin U is an isolated and purified peptide from porcine spinal cord, using rat uterine smooth muscle contractile activity as an index. Neuromedin U— consisting of 8 amino acid residues and neuromedin U— consisting of 8 amino acid residues Two species of 25 were first reported (Mmamino, N. et al., Biochem. Biophys. Res. Commun. 130, 1078-10 85, 1985). The sequence of neuromedin U-8 matches the C-terminal part of neuromedin U_25, and there is a basic amino acid pair that is often found at the site that is cleaved by processing. It is thought to be derived from a common precursor.
- a polypeptide comprising the amino acid sequence represented by SEQ ID NO: 8, SEQ ID NO: 9, SEQ ID NO: 10, SEQ ID NO: 11, or SEQ ID NO: 12, and having a specific cell stimulating activity I found.
- polypeptide comprising the amino acid sequence represented by SEQ ID NO: 3, or its amide or salt thereof;
- polypeptide according to the above (1) which is a polypeptide containing an amino acid sequence identical or substantially identical to the amino acid sequence represented by SEQ ID NO: 4, SEQ ID NO: 5 or SEQ ID NO: 6.
- a polynucleotide comprising a polynucleotide encoding the polypeptide according to (11) above or a partial peptide thereof;
- SEQ ID NO: 7 SEQ ID NO: 8, SEQ ID NO: 9, SEQ ID NO: 10, SEQ ID NO: 11 or SEQ ID NO: 11 is the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 12 Containing polypeptide or salt thereof;
- (22) a polypeptide comprising the amino acid sequence represented by SEQ ID NO: 7, SEQ ID NO: 8, SEQ ID NO: 9, SEQ ID NO: 10, SEQ ID NO: 11 or SEQ ID NO: 12 or a salt thereof;
- polypeptide of (1) above or a partial peptide thereof Contains an amide or a salt thereof, and (ii) an amino acid sequence identical or substantially identical to the amino acid sequence represented by SEQ ID NO: 25, SEQ ID NO: 27 or SEQ ID NO: 29
- amino acid sequence represented by SEQ ID NO: 25 amino acid sequence represented by SEQ ID NO: 27
- SEQ ID NO: 29 amino acid sequence represented by SEQ ID NO: 29
- the above-mentioned protein containing the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 25, SEQ ID NO: 27 or SEQ ID NO: 29, or a partial peptide thereof or a salt thereof (34)
- the screening kit as described;
- the above-mentioned protein containing the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 31, SEQ ID NO: 33 or SEQ ID NO: 35, or a partial peptide thereof or a salt thereof (34)
- the screening kit as described;
- (37) A method for screening a compound or a salt thereof that promotes or inhibits the activity of the polypeptide, characterized by using the polypeptide or a salt thereof according to (21) above;
- a kit for screening a compound or a salt thereof that promotes or inhibits the activity of the polypeptide comprising the polypeptide according to (21) or a salt thereof;
- a pharmaceutical comprising the compound according to (1) or (11) above, a partial peptide or amide thereof, or a compound or salt thereof that promotes the activity of the salt;
- a medicament comprising the polypeptide according to (21) or a partial peptide thereof or a salt thereof;
- a medicament comprising the compound or salt thereof that promotes the activity of the polypeptide according to (21) or a partial peptide thereof or a salt thereof;
- (50) The medicament according to any one of (47) to (49) above, which is a prophylactic / therapeutic agent for climacteric disorder or hyperthyroidism;
- (51) A prophylactic / therapeutic method for climacteric disorder or hyperthyroidism characterized by promoting the activity of the polypeptide according to (21) above or a partial peptide thereof or a salt thereof;
- a medicament comprising the antibody according to (54) above;
- the diagnostic agent according to (56) above which is a diagnostic agent for hypertension, anorexia, climacteric disorder, insomnia or immune / inflammatory disease;
- a pharmaceutical comprising the compound or a salt thereof which inhibits the activity of the polypeptide according to (1) or (11) above or a partial peptide or amide thereof or a salt thereof;
- an antisense polynucleotide comprising a base sequence complementary to or substantially complementary to the base sequence of the polynucleotide described in (6) or (16) above or a part thereof; or (iii) the above polypeptide or A method of preventing or treating hypertension, anorexia, climacteric disorder or insomnia characterized by administering an effective amount of a compound or salt thereof that inhibits the activity of the partial peptide or its amide or its salt;
- a diagnostic agent comprising the antibody according to (67) above;
- the diagnostic agent according to (69) above which is a diagnostic agent for ovarian hypofunction, seminal vesicle development failure, climacteric disorder or hyperthyroidism;
- a medical agent comprising the antisense polynucleotide according to (71) above;
- a medicine comprising a compound or a salt thereof that inhibits the activity of the polypeptide of the above (21), a partial peptide thereof, an amide thereof, or a salt thereof;
- Infertility or thyroid function characterized by administering an effective amount of a compound or a salt thereof that inhibits the activity of the polypeptide of the above (21), a partial peptide thereof, an amide thereof, or a salt thereof.
- SEQ ID NO: 37 SEQ ID NO: 38, SEQ ID NO: 39, SEQ ID NO: 40, SEQ ID NO: 41 or amino acid identical or substantially identical to the amino acid sequence represented by SEQ ID NO: 42
- a method for screening a compound or a salt thereof that promotes or inhibits the activity of the polypeptide characterized by using a polypeptide containing the sequence or a partial peptide or a salt thereof;
- kits for screening a compound or a salt thereof that promotes or inhibits the activity of the polypeptide comprising a polypeptide containing the sequence or a partial peptide thereof or a salt thereof;
- a prophylactic / therapeutic agent for climacteric disorder or hyperthyroidism comprising a compound containing a glycine-containing polypeptide or a partial peptide thereof, or a salt thereof, or a salt thereof;
- SEQ ID NO: 37 SEQ ID NO: 38, SEQ ID NO: 39, SEQ ID NO: 40, SEQ ID NO: 41 or amino acid sequence identical or substantially identical to the amino acid sequence represented by SEQ ID NO: 42
- a method for the prevention and treatment of climacteric disorders or hyperthyroidism characterized by promoting the activity of a polypeptide containing the same or a partial peptide thereof or a salt thereof;
- a method for preventing or treating climacteric disorder or hyperthyroidism which comprises administering an effective amount of a compound or its salt that promotes the activity of a polypeptide containing the amino acid sequence of the present invention, a partial peptide thereof, or a salt thereof;
- a prophylactic / therapeutic agent for infertility or thyroid dysfunction comprising a compound that inhibits the activity of a polypeptide containing the sequence or a partial peptide thereof, or a salt thereof;
- SEQ ID NO: 37 SEQ ID NO: 38, SEQ ID NO: 39, SEQ ID NO: 40, SEQ ID NO: 41, or an amino acid sequence substantially the same as or substantially identical to the amino acid sequence represented by SEQ ID NO: 42
- a method for preventing or treating infertility or thyroid dysfunction characterized by inhibiting the activity of the contained polypeptide or a partial peptide or a salt thereof;
- a method for preventing or treating infertility or thyroid dysfunction which comprises administering an effective amount of a compound or its salt that inhibits the activity of a polypeptide comprising the amino acid sequence or a partial peptide thereof or a salt thereof;
- polypeptide having the amino acid sequence represented by SEQ ID NO: 1, SEQ ID NO: 2 or SEQ ID NO: 3, or its amide or a salt thereof may be abbreviated as “Euromedin SJ”.
- polypeptide having the amino acid sequence represented by SEQ ID NO: 7, SEQ ID NO: 9, or SEQ ID NO: 11 or its amide or a salt thereof may be abbreviated as “neuromedin S N-terminal peptide 1 34”.
- N-terminal peptide 1 3 7 may be abbreviated.
- polypeptide having the amino acid sequence represented by SEQ ID NO: 4, SEQ ID NO: 5 or SEQ ID NO: 6, or its amide or a salt thereof may be abbreviated as “neuromedin S precursor”.
- polypeptide having the amino acid sequence represented by SEQ ID NO: 3 7, SEQ ID NO: 3 9 or SEQ ID NO: 4 1 or its amide or a salt thereof is abbreviated as “neuromedin UN terminal peptide 1 3 3”. Sometimes.
- polypeptide having the amino acid sequence represented by SEQ ID NO: 38, SEQ ID NO: 40 or SEQ ID NO: 42 or its amide or salt thereof is abbreviated as “neuromedin UN terminal peptide 1 6”. There is.
- T G R 1 A protein having the amino acid sequence represented by SEQ ID NO: 25, SEQ ID NO: 27 or SEQ ID NO: 29 or a salt thereof may be abbreviated as “T G R 1”.
- a protein having the amino acid sequence represented by SEQ ID NO: 3 1, SEQ ID NO: 3 3 or SEQ ID NO: 35 or a salt thereof may be abbreviated as “F M-3”.
- polypeptide KA A polypeptide containing an amino acid sequence identical or substantially identical to the amino acid sequence represented by SEQ ID NO: 1 1 or SEQ ID NO: 1 2 (hereinafter sometimes abbreviated as “polypeptide KA of the present invention”)
- SEQ ID NO: 3 8, SEQ ID NO: 3 9, SEQ ID NO: 40, SEQ ID NO: 41, or the amino acid sequence represented by SEQ ID NO: 42 or Polypeptides containing substantially the same amino acid sequence include, for example, humans, mammals (eg, guinea pigs, rats, mice, Pig, hidge, ushi, monkey, inu) Rough cells (eg, spleen cells, nerve cells, glial cells
- SEQ ID NO: 1 As the amino acid sequence substantially the same as the amino acid sequence represented by SEQ ID NO: 1 1 or SEQ ID NO: 1 2, SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4, SEQ ID NO: 5, SEQ ID NO: 6, SEQ ID NO: 7, SEQ ID NO: 8, SEQ ID NO: 9, SEQ ID NO: 1 0
- SEQ ID NO: 1 1 Still amino acids represented by SEQ ID NO: 1 2 About 50% or more, preferably about 60% or more, more preferably about 70% or more, more preferably about 80% or more, particularly preferably about 90% or more, and most preferably about 9% or more. Examples include amino acid sequences having 5% or more homology.
- the homology of amino acid sequences can be calculated using the homology calculation algorithm NCBI BLAST (National Center for Biotechnology Information Basic Local Alignment Search Tool).
- SEQ ID NO: 1 SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4, SEQ ID NO: 5, SEQ ID NO: 6, SEQ ID NO: 7, SEQ ID NO: 8, SEQ ID NO: 9, SEQ ID NO: 1 0
- Examples of the polypeptide containing the amino acid sequence substantially the same as the amino acid sequence represented by SEQ ID NO: 1 1 or SEQ ID NO: 1 2 include, for example, the aforementioned SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4, SEQ ID NO: 5, SEQ ID NO: 6, SEQ ID NO: 7, SEQ ID NO: 8, SEQ ID NO: 9, SEQ ID NO: 1, or SEQ ID NO: 1 1 or sequence SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4, SEQ ID NO: 5, SEQ ID NO: 1, comprising substantially the same amino acid sequence as the amino acid sequence represented by 2 : 6, SEQ ID NO: 7, SEQ ID NO: 8, SEQ ID NO: 9, S
- substantially the same activity examples include ligand binding activity and signal signal transduction action.
- “Substantially homogeneous” means that their activities are homogeneous in nature. It shows that. Therefore, activities such as ligand binding activity and signal transduction activity are equivalent (eg, about 0.1 to 100 times, preferably about 0.5 to 20 times, more preferably about 0.5 to However, quantitative factors such as the degree of activity and the molecular weight of the polypeptide may be different.
- Measurement of activities such as ligand binding activity and signal information transmission activity can be performed according to a known method, for example, according to a screening method described later.
- the polypeptide A of the present invention includes (i) SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4, SEQ ID NO: 5, SEQ ID NO: 6, SEQ ID NO: 7, SEQ ID NO: 8, SEQ ID NO: 10, SEQ ID NO: 1 1 or SEQ ID NO: 1 1 or 2 or more in the amino acid sequence represented by SEQ ID NO: 1 (for example, about 1 to 30, preferably (1) SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 1, preferably about 10 to 10, more preferably several (1 to 5)) SEQ ID NO: 4, SEQ ID NO: 5, SEQ ID NO: 6, SEQ ID NO: 7, SEQ ID NO: 8, SEQ ID NO: 9, SEQ ID NO: 1 0, SEQ ID NO: 1 1 or SEQ ID NO: 1 2 1 or more amino acid sequences (for example, about 1 to 30 pieces, preferably about 1 to 10 pieces, more preferably several pieces (1 to 5 Amino acids are added in)),
- polypeptide A of the present invention or its amide or a salt thereof include a polypeptide having the amino acid sequence represented by SEQ ID NO: 1 or its amide. Or a salt thereof, a polypeptide having an amino ⁇ sequence represented by SEQ ID NO: 2, or an amide thereof or a salt thereof, a polypeptide having an amino acid sequence represented by SEQ ID NO: 3, or an amino acid thereof Or a salt thereof, a polypeptide having an amino acid sequence represented by SEQ ID NO: 4, or an amide thereof, or a salt thereof, a polypeptide having an amino acid sequence represented by SEQ ID NO: 5, or an amide thereof Or a salt thereof, a polypeptide having the amino acid sequence represented by SEQ ID NO: 6, or an amide thereof, or a salt thereof, a polypeptide having the amino acid sequence represented by SEQ ID NO: 7, or an amide thereof, or a salt thereof Salt, polypeptide having the amino acid sequence represented by SEQ ID NO: 8, or its amide or salt thereof, and
- the partial peptide of the polypeptide ⁇ of the present invention or its amide or salt thereof can be used in the screening method for pharmaceuticals and the like described below. As long as it has substantially the same activity as that of polypeptide A.
- the number of amino acids of the partial peptide is at least 5 or more, preferably 10 or more, preferably 15 or more, preferably 20 or more, among the constituent amino acid sequences of polypeptide A of the present invention. Examples thereof include peptides having an amino acid sequence.
- substantially the same quality of activity has the same meaning as described above.
- the “substantially the same quality of activity” can be measured in the same manner as described above.
- amino acids in the above amino acid sequence are deleted, and aminoi) 1 or 2 in the above amino acid sequence Or more (preferably about 1 to 20 pieces, more preferably about 1 to 10 pieces, more preferably several (1 to 5 pieces)), or (iii) the amino acid sequence
- one or more (preferably several (1 to 4)) amino acids may be substituted with other amino acids.
- polypeptide A of the present invention and its partial peptide may be collectively referred to as “polypeptide A of the present invention”.
- SEQ ID NO: 37, SEQ ID NO: 38, SEQ ID NO: 39, SEQ ID NO: 40, SEQ ID NO: 41 or SEQ ID NO: 42 and about 50% or more, preferably about 60%.
- an amino acid sequence having a homology of preferably about 70% or more, more preferably about 80% or more, particularly preferably about 90% or more, and most preferably about 95% or more can be mentioned.
- the homology of amino acid sequences can be calculated using the homology calculation algorithm NCBI BLAST (National Center for Biotechnology Information Basic Local Alignment Search Tool).
- polypeptide examples include, for example, the amino acid sequence represented by SEQ ID NO: 37, SEQ ID NO: 38, SEQ ID NO: 39, SEQ ID NO: 40, SEQ ID NO: 41, or amino acid sequence substantially the same as the amino acid sequence represented by SEQ ID NO: 42.
- polypeptide examples include, for example, the amino acid sequence represented by SEQ ID NO: 37, SEQ ID NO: 38, SEQ ID NO: 39, SEQ ID NO: 40, SEQ ID NO: 41, or SEQ ID NO: 42.
- Amino acid sequence comprising substantially the same amino acid sequence and represented by SEQ ID NO: 3 7, SEQ ID NO: 38, SEQ ID NO: 39, SEQ ID NO: 40, SEQ ID NO: 41 or SEQ ID NO: 42
- a polypeptide having substantially the same activity as that of a polypeptide containing s is preferable.
- substantially the same activity examples include ligand binding activity and signal signal transduction action. “Substantially homogeneous” means that their activities are homogeneous in nature. Therefore, activities such as ligand binding activity and signal transduction activity are equivalent (eg, about 0.0 1 to 100 times, preferably about 0.5 to 20 times, more preferably about 0.5 to 2 times) However, quantitative factors such as the degree of activity and the molecular weight of the polypeptide may be different.
- Measurement of activities such as ligand binding activity and signal information transmission activity can be performed according to a known method, for example, according to a screening method described later.
- polypeptide KB of the present invention is represented by (i) SEQ ID NO: 37, SEQ ID NO: 38, SEQ ID NO: 39, SEQ ID NO: 40, SEQ ID NO: 41, or SEQ ID NO: 42. 1 or more (for example, about 1-30, preferably about 1-10, more preferably several (1-5)) amino acids are deleted.
- Amino acid sequence (ii) SEQ ID NO: 37, SEQ ID NO: 38, SEQ ID NO: 39, SEQ ID NO: 40, SEQ ID NO: 41, or 1 or more in the amino acid sequence represented by SEQ ID NO: 42 (For example, about 1 to 30, preferably about 1 to 10, more preferably several (1 to 5)) amino acid sequences, (iii) SEQ ID NO: 37, SEQ ID NO: 38, SEQ ID NO: 39, SEQ ID NO: 40, SEQ ID NO: 41 or 1 or 2 or more in the amino acid sequence represented by SEQ ID NO: 42 (eg, about 1 to 30, preferably 1 to: about L 0) More preferably, several (1-5) amino acid sequences are substituted with other amino acids, (iv) SEQ ID NO: 37, SEQ ID NO: 38, SEQ ID NO: 39, SEQ ID NO: 40, SEQ ID NO: 41 or 1 or 2 or more in the amino acid sequence represented by SEQ ID NO: 42 (For example, about 1 to 30 amino acids, more
- polypeptide B of the present invention examples include a polypeptide having an amino acid sequence represented by SEQ ID NO: 37, a polypeptide having an amino acid sequence represented by SEQ ID NO: 38, and SEQ ID NO: 39.
- the partial peptide of polypeptide B of the present invention may be any partial peptide as long as it can be used in a screening method for pharmaceuticals described below, and is substantially the same as polypeptide B of the present invention. As long as it has the activity of.
- the number of amino acids of the partial peptide is at least 5 or more, preferably 10 or more, preferably 15 or more, preferably 20 or more, among the constituent amino acid coordination of the polypeptide B of the present invention.
- substantially the same quality of activity has the same meaning as described above. “Substantially the same quality of activity” can be measured in the same manner as ⁇ .
- amino acids in the above amino acid sequence are deleted, and (ii) 1 or 2 in the above amino acid sequence Or more (preferably about 1 to 20, more preferably about 1 to 10, more preferably several (1 to 5)) amino acids, or (iii) above One or more (preferably several (1 to 4).) Amino acids in the amino acid sequence may be substituted with other amino acids.
- polypeptide B of the present invention and its partial peptide may be collectively referred to as “polypeptide B of the present invention”.
- polypeptide A of the present invention and “polypeptide B of the present invention” may be collectively referred to as “polypeptide of the present invention”.
- a protein containing the same or substantially the same amino acid sequence or a salt thereof (hereinafter sometimes abbreviated as “protein of the present invention”) is, for example, a human mammal (eg, guinea pig, rat, Any cell (eg, spleen cell, nerve cell, glia cell, knee cell, bone marrow cell, mesangium cell, Langerhans cell, epidermis cell, epithelial cell, endothelial cell) of mouse, usagi, pig, hidge, ushi, monkey, etc.
- a human mammal eg, guinea pig, rat, Any cell (eg, spleen cell, nerve cell, glia cell, knee cell, bone marrow cell, mesangium cell, Langerhans cell, epidermis cell, epithelial cell, endothelial cell) of mouse, usagi, pig, hidge, ushi, monkey, etc.
- Fibroblasts Fibroblasts, fibrocytes, muscle cells, fat cells, immune cells (eg, macrophages, T cells, B cells, natural killer cells, mast cells, neutrophils, basophils, eosinophils Monocytes), megakaryocytes, synoviocytes, chondrocytes, bone cells, osteoblasts, osteoclasts, breast cells, hepatocytes or stromal cells, or precursor cells of these cells, stem cells or cancer cells) Blood cells (eg, MEL, Ml, CTLL-2, HT-2, WEHI-3, HL-60, JOSK-1, K562, ML-1, MOLT-3, MOLT-4, MOLT-10, CCRF -CEM, TALL-1, Jurkat, CCRT- HSB-2, KE-37, SKW-3, HUT-78, HUT-102, H9, U937, THP-1, HEL, JK-1, CMK, K0-
- immune cells eg, macrophages, T cells,
- brain e.g, olfactory bulb, buccal nucleus, basal sphere, hippocampus, thalamus, hypothalamus, subthalamic nucleus, Cerebral cortex, medulla, cerebellum, occipital lobe, frontal lobe, temporal lobe, putamen, caudate nucleus, brain stain, substantia nigra), spinal cord, pituitary gland, stomach, knee, kidney, liver, gonad, thyroid gland, gallbladder, Bone marrow, adrenal gland, skin, muscle, lung, gastrointestinal tract (eg, large intestine, small intestine), blood vessel, heart, thymus, spleen, submandibular gland, peripheral blood, peripheral blood cell, prostate, testicle, testis, ovary, placenta, uterus, It may be a protein derived from bone
- the sequences are as follows: SEQ ID NO: 2 5, SEQ ID NO: 2 7, SEQ ID NO: 29, SEQ ID NO: No .: 3 1, SEQ ID NO: 3 3 or SEQ ID NO: 35 and about 50% or more, preferably about 60% or more, more preferably about 70% or more, more preferably about 80%.
- the amino acid sequences having homology of about 90% or more, most preferably about 95% or more are particularly preferable.
- the homology of amino acid sequences can be calculated using the homology calculation algorithm NCBI BLAST (National Center for Biotechnology Information Basic Local Alignment Search Tool).
- the protein containing, for example, the above-mentioned SEQ ID NO: 25, SEQ ID NO: 2 7, SEQ ID NO: 29, SEQ ID NO: 31, SEQ ID NO: 3 3 or SEQ ID NO: 3 5 It contains an amino acid sequence substantially identical to the amino acid sequence, and is represented by SEQ ID NO: 2 5, SEQ ID NO: 2 7, SEQ ID NO: 29, SEQ ID NO: 31, SEQ ID NO: 33 or SEQ ID NO: 35
- a protein having substantially the same activity as that of the protein containing the amino acid sequence is preferable.
- the activity of substantially the same quality examples include binding activity to the polypeptide of the present invention, signal information transmission action and the like. “Substantially homogeneous” means that their activities are homogeneous in nature. Therefore, it is preferable that the activity of the peptide of the present invention, such as the binding activity and signal signal transduction activity, is equivalent (eg, about 0.5 to 2 times), but the degree of these activities and the molecular weight of the protein, etc. The quantitative elements of may be different.
- Measurement of activity such as binding activity and signal signal transduction can be performed according to a method known per se.
- the protein of the present invention is represented by (i) SEQ ID NO: 25, SEQ ID NO: 2 7, SEQ ID NO: 29, SEQ ID NO: 31, SEQ ID NO: 33 or SEQ ID NO: 35 Amino acids in which one or more amino acids in the amino acid sequence are deleted (preferably about 1 to 30, more preferably about 1 to 10, more preferably several (1 or 2)) Sequence (ii) SEQ ID NO: 25, SEQ ID NO: 2 7, SEQ ID NO: 29, SEQ ID NO: 31, SEQ ID NO: 3 3, or 1 or 2 or more in the amino acid sequence represented by SEQ ID NO: 35 (Preferably about 1-30, more preferably about 1-10, more preferably several (1 or 2)) In the amino acid sequence represented by the amino acid sequence, (i ii) SEQ ID NO: 2 5, SEQ ID NO: 2 7, SEQ ID NO: 29, SEQ ID NO: 31, SEQ ID NO: 3 3 or SEQ ID NO: 35 1 or 2 (preferably about 1 to 30 pieces, more preferably about 1 to 10 pieces, more preferably several (1 or 2)
- protein of the present invention examples include, for example, a protein containing the amino acid sequence represented by SEQ ID NO: 25, a protein containing the amino acid sequence represented by SEQ ID NO: 27, SEQ ID NO: A protein containing the amino acid sequence represented by 2 9, SEQ ID NO: 3 A protein containing the amino acid sequence represented by 1, a protein containing the amino acid sequence represented by SEQ ID NO: 3 3, SEQ ID NO: 3 And a protein containing the amino acid sequence represented by 5.
- the partial peptide of the protein of the present invention may be any partial peptide of the protein of the present invention described above.
- the protein molecules of the invention those that are exposed to the outside of the cell membrane and have substantially the same ligand binding activity are used.
- the partial peptide of the protein of the present invention is a peptide containing a portion analyzed to be an extracellular region (hydrophilic site) in hydrophobicity plot analysis.
- Peptides containing a part of the hydrophobic part can be used as well.
- Peptides containing individual domains can also be used.
- Peptides that contain multiple domains simultaneously may be used.
- the number of amino acids in the partial peptide of the present invention is at least 20 or more, preferably 50 or more, more preferably 100 or more amino acid sequences of the amino acid sequences constituting the protein of the present invention described above. Peptides having the following are preferred.
- the substantially identical amino acid sequence is about 50% or more, preferably about 70% or more, more preferably about 80% or more, more preferably about 90% or more, most preferably about these amino acid sequences.
- An amino acid sequence having a homology of about 95% or more is shown.
- “substantially the same ligand binding activity” has the same meaning as described above.
- the “substantially the same ligand binding activity” can be measured according to a method known per se.
- the partial peptide of the present invention is represented by SEQ ID NO: 25, SEQ ID NO: 27, SEQ ID NO: 29, SEQ ID NO: 31, SEQ ID NO: 33, or SEQ ID NO: 35.
- One or more amino acids in the amino acid sequence are deleted or 1 in the amino acid sequence
- the salt of the polypeptide of the present invention or the protein of the present invention or a partial peptide thereof is particularly preferably a physiologically acceptable acid addition salt.
- examples of such salts include salts with inorganic acids (eg, hydrochloric acid, phosphoric acid, hydrobromic acid, sulfuric acid), or organic acids (eg, acetic acid, formic acid, propionic acid, fumaric acid, maleic acid, succinic acid). Salts with acid, tartaric acid, citrate, malic acid, succinic acid, benzoic acid, methanesulfonic acid, benzenesulfonic acid), and the like.
- inorganic acids eg, hydrochloric acid, phosphoric acid, hydrobromic acid, sulfuric acid
- organic acids eg, acetic acid, formic acid, propionic acid, fumaric acid, maleic acid, succinic acid.
- polypeptide and the protein of the present invention have an N-terminal (amino terminal) at the left end and a C-terminal (carboxyl terminal) at the right end in accordance with the convention of labeling peptides.
- a polypeptide containing the amino acid sequence represented by SEQ ID NO: 1 is usually a carboxyl group (-C00H) or carboxylate (-C00-) at the C terminus, but an amide (_C0 H 2 Or an ester (—C00R).
- R of the ester such as methyl, Echiru, n- propyl, C w alkyl group such as isopropyl or n- heptyl, cyclopentyl, C 3 _ 8 cyclo alkyl group such as cyclohexyl, phenyl, such as ⁇ - naphthyl C 6 - 12 Ariru group, benzyl, phenethyl, Benzuhi phenylene Honoré one C w Anorekiru such Dorinore or ⁇ - Na Fuchirumechiru such as ⁇ - naphthyl - C 7 such as C w alkyl - 14 7 aralkyl group ho force ⁇
- Examples thereof include a bivalyloxymethyl group that is widely used as an oral ester.
- polypeptide A of the present invention those in which the C-terminal carboxyl group (—C00H) is an amide (—C0NH 2 ) are preferred.
- polypeptide of the present invention and the protein of the present invention have a C-terminal to M-carboxyl group (or carboxylate)
- carboxyl group or carboxylate
- those in which the carboxyl group is amidated or esterified are also included in the polypeptide of the present invention.
- ester in this case, for example, the above C-terminal ester or the like is used.
- the polypeptide protein of the present invention have you the peptide protein as described above, Amino groups Mechionin residue N-terminal protecting group (e.g., C 2, such as a formyl group, ⁇ Se ethyl group. 6 Arukanoiru That are protected by a C wacyl group such as a group, a glutamyl group that has been cleaved in vivo on the N-terminal side and pyroglutamine oxidized, a substituent on the side chain of an amino acid in the molecule (eg,- 0H, - SH, Amino group, imidazole group, indole group, etc.
- C 2 such as a formyl group, ⁇ Se ethyl group. 6
- C wacyl group such as a group, a glutamyl group that has been cleaved in vivo on the N-terminal side and pyroglutamine oxidized
- Guanijino group appropriate protecting groups (e.g., formyl group, etc. C w Ashiru group such as C 2 _ 6 Arukanoiru group such Asechiru group) Also included are those that are protected, or complex peptides / proteins such as so-called glycopeptides / glycoproteins to which sugar chains are bound.
- protecting groups e.g., formyl group, etc. C w Ashiru group such as C 2 _ 6 Arukanoiru group such Asechiru group
- complex peptides / proteins such as so-called glycopeptides / glycoproteins to which sugar chains are bound.
- the C-terminus may be a carboxyl group (—C00H), a carboxylate (—C00—), an amide (_C0NH 2 ) or an ester (—C00R).
- carboxyl group or carboxylate
- those in which the carboxyl group is amidated or esterified are also included in the partial peptide of the present invention.
- ester in this case, for example, the above C-terminal ester is used.
- an amino group of the N-terminal methionine residue is protected with a protective group, and the N-terminal side is cleaved in vivo.
- a protective group examples include those obtained by pyroglutamine oxidation of Gln, those in which the substituent on the side chain of the amino acid in the molecule is protected with an appropriate protecting group, or complex peptides such as so-called glycopeptides to which sugar chains are bound.
- the polypeptide of the present invention or the protein of the present invention or a salt thereof can be produced from the above-mentioned human or mammalian cells or tissues by a known method for producing a peptide protein, or SEQ ID NO: : 2 5, SEQ ID NO: 2 7, SEQ ID NO: 29, SEQ ID NO: 3 1, SEQ ID NO: 3 3, or DNA encoding the protein containing the amino acid sequence represented by SEQ ID NO: 35 It can also be produced by culturing the transformant. Further, it can also be produced according to the peptide 'protein synthesis method described later or a method similar thereto.
- the polypeptide of the present invention or the protein of the present invention or a salt thereof is used in humans and mammals.
- tissue or cells such as humans
- homogenize tissues such as humans and 1 ⁇ 2 mammals, and then extract with acid, organic solvent, etc., and extract the extracted solution with salting out, permeation, gel filtration, reverse It can be purified and isolated by combining chromatography such as phase chromatography, ion exchange chromatography, affinity chromatography.
- the polypeptide of the present invention can be produced according to a known method for synthesizing a polypeptide or by cleaving a polypeptide containing the polypeptide of the present invention with an appropriate peptide. can do.
- a polypeptide synthesis method for example, either a solid phase synthesis method or a liquid phase synthesis method may be used. That is, the desired polypeptide can be produced by condensing the partial peptide or amino acid that can constitute the polypeptide of the present invention with the remaining portion, and removing the protective group when the product has a protective group.
- Examples of known condensation methods and protecting group removal include the methods described in the following (1) to (5).
- the polypeptide of the present invention can be purified and isolated by combining ordinary purification methods such as solvent extraction, distillation, column chromatography, liquid chromatography, and recrystallization.
- the polypeptide of the present invention obtained by the above method is a free form, it can be converted to an appropriate salt by a known method.
- the free form can be obtained by a known method.
- Can be converted to As the amide of the polypeptide of the present invention a commercially available peptide synthesis resin suitable for amide formation can be used.
- Examples of such resins include chloromethylol resin, hydroxymethyl resin, benzhydrylamine resin, aminomethyl resin, 4 monobenzyloxybenzyl alcohol resin, 4_methylbenzhydrylamine tree, PAM resin, 4-hydride.
- an amino acid in which the amino group and the side chain functional group are appropriately protected is condensed on the resin according to various known condensation methods according to the sequence of the desired peptide.
- the polypeptide is excised from the resin, and at the same time, various protecting groups are removed. If necessary, intramolecular disulfide bond formation reaction is performed in a highly diluted solution to obtain the desired polypeptide.
- various activating reagents that can be used for polypeptide synthesis can be used, and calpositimides are particularly preferable.
- the force rubomidides include DCC, ⁇ , ⁇ '-disopropyl carbodiimide, and ⁇ -ethyl-N '-(3-dimethylaminopropyl) carbopositimide.
- a protected amino acid together with a racemization inhibitor (eg, H0BT, H00BT, etc.) is added directly to the resin, or as a symmetric anhydride, H0BT ester or H00BT ester in advance. It can be added to the resin after activation of the protected amino acid.
- the solvent used for the activation of the protected amino acid and the condensation with the resin may be appropriately selected from solvents known to be usable for the polypeptide condensation reaction.
- acid amides such as ⁇ , ⁇ -dimethylformamide, ⁇ , ⁇ -dimethylacetamide, ⁇ -methylpyrrolidone, halogenated hydrocarbons such as methylene chloride and black mouth form, trifluoroethanol, etc.
- Alcohols such as dimethyl sulfoxide, tertiary amines such as pyridine, ethers such as dioxane and tetrahydrofuran, nitriles such as acetonitryl and propionitryl, esters such as methyl acetate and ethyl acetate Alternatively, an appropriate mixture of these is used.
- the reaction temperature is appropriately selected from a range known to be usable for peptide bond formation reaction, and is usually selected appropriately from a range of about 120 ° C. to 50 ° C.
- Activated amino acid derivatives are usually added in excess of 1.5 to 4 times.
- the condensation is insufficient, sufficient condensation can be performed by repeating the condensation reaction without removing the protecting group. If sufficient condensation is not obtained even after repeating the reaction, the unreacted amino acid can be acetylated using acetic anhydride or acetyl imidazole so as not to affect the subsequent reaction.
- protecting groups for amino acid amino groups include Z, Boc, and tertiary.
- the hydroxyl groups of serine and threonine can be protected, for example, by esterification or etherification.
- groups suitable for esterification include lower alkanol groups such as acetyl groups, aroyl groups such as benzoyl groups, groups derived from carbon such as benzyloxycarbonyl groups and ethoxycarbonyl groups.
- groups suitable for etherolation include a benzyl group, a tetrahydrobiranyl group, and a tertiary butyl group.
- Examples of the protecting group for the phenolic hydroxyl group of tyrosine include Bzl, Cl 2 -Bzl, 2-nitrobenzyl, Br-Z, and tertiary butyl.
- histidine imidazole protecting groups include Tos, 4-methoxy-2,3,6-trimethylbenzenesulfonyl, DNP, benzyloxymethyl, Bum, Boc, Trt, and Fmoc.
- Examples of the activated carboxyl group of the raw material include corresponding acid anhydrides, azides, activated esters [alcohols (eg, pentachlorophenol, 2,4,5-trichlorophenol, 2,4-dinitrophenol) , Ester with cyanomethyl alcohol, paranitrophenol, H0NB, N-hydroxysuccinimide, N-hydroxyphthalimide, H0BT), and the like.
- Examples of the activated amino group of the raw material include the corresponding phosphate amide.
- Methods for removing (eliminating) protecting groups include catalytic reduction in a hydrogen stream in the presence of a catalyst such as Pd black or Pd carbon, anhydrous hydrogen fluoride, methanesulfonic acid, trifluoromethane.
- a catalyst such as Pd black or Pd carbon
- anhydrous hydrogen fluoride methanesulfonic acid
- trifluoromethane acid treatment with sulfonic acid, trifluoroacetic acid or a mixture thereof
- base treatment with diisopropylethylamine, triethylamine, piperidine, piperazine, etc., and sodium in liquid ammonia There are also reductions.
- the elimination reaction by the acid treatment is generally performed at a temperature of 120 ° C.
- the 2,4-dinitrophenyl group used as the imidazole protecting group of histidine was removed by thiophenol treatment, and the formyl group used as the indole protecting group of tryptophan was the 1,2-ethanedithiol described above, 1, 4- In addition to deprotection by acid treatment in the presence of butanedithiol, it can also be removed by alkali treatment with dilute sodium hydroxide, dilute ammonia, etc.
- the protection of the functional group that should not be involved in the reaction of the raw material and the protection group, the elimination of the protective group, the activation of the functional group involved in the reaction, etc. can be appropriately selected from known groups or known means.
- the ⁇ -carboxyl group of the carboxyl terminal amino acid is amidated, and then the peptide chain is extended to the desired chain length on the amino group side. And a peptide (or amino acid) from which only the protecting group at the terminal amino group of the peptide chain is removed and a peptide (or amino acid) from which only the protecting group at the C-terminal carboxyl group is removed. Condensation in a mixed solvent. The details of the condensation reaction are the same as described above. After purifying the protected peptide obtained by the condensation, all the protecting groups are removed by the above-mentioned method, and the desired crude polypeptide can be obtained. This crude polypeptide can be purified by using various known purification means, and the main fraction can be freeze-dried to obtain an amide of the desired polypeptide.
- ester of the polypeptide of the present invention the ⁇ -carboxyl group of the carboxy terminal amino acid is condensed with the desired alcoholate to form an amino acid ester, and then the desired polypeptide of the desired polypeptide is synthesized in the same manner as the polypeptide amide. Esters can be obtained.
- the partial peptide of the polypeptide of the present invention can be produced by cleaving the polypeptide of the present invention with an appropriate peptidease, or can be produced according to the above-described method for synthesizing a polypeptide.
- the amide or ester of the partial peptide of the polypeptide of the present invention can also be produced according to the above-described method for producing an amide or ester.
- a salt of a partial peptide of the polypeptide of the present invention Are the same as the salts of the polypeptide of the present invention described above.
- Substantially identical substitutions of amino acids in the amino acid sequence can be selected from, for example, other amino acids in the class to which the amino acid belongs.
- Nonpolar (hydrophobic) amino acids include alanine, leucine, isoleucine, valine, proline, phenylalanine, triftophan, and methionine.
- Polar (neutral) amino acids include glycine, serine, threonine, cysteine, tyrosine, asparagine, and glutamine.
- Examples of positively charged (basic) amino acids include arginine, lysine, and histidine.
- Examples of negatively charged (acidic) amino acids include aspartic acid and glutamic acid.
- polypeptide of the present invention is labeled with an isotope labeled or fluorescently labeled by a known method (for example, fluorescent labeling with fluorescein, etc.), piotinated, enzyme labeled, etc.
- polypeptide of the present invention labeled with [ 3 H], [ 125 I], [ 14 C], [ 35 S] or the like can be used by a known method.
- the DNA encoding the polypeptide of the present invention or the protein of the present invention includes SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4, SEQ ID NO: 5, SEQ ID NO: 6, and sequence. SEQ ID NO: 7, SEQ ID NO: 8, SEQ ID NO: 9, SEQ ID NO: 10, SEQ ID NO: 11, SEQ ID NO: 1 2, SEQ ID NO: 25, SEQ ID NO: 27, SEQ ID NO: 29, SEQ ID NO: 31, any SEQ ID NO: 33, or any DNA containing DNA that encodes a peptide containing an amino acid sequence identical or substantially identical to the amino acid sequence represented by SEQ ID NO: 35 There may be.
- Genomic DNA, genomic DNA library, the above-mentioned tissue-cell-derived cDNA, the above-mentioned tissue-cell-derived cDNA library, and synthetic DNA can be used.
- the vector used for the library may be any of bacteriophage, plasmid, cosmid, phagemid and the like. Alternatively, it can be directly amplified by reverse transcriptase polymerase chain reaction (hereinafter abbreviated as RT-PCR method) using an RNA fraction prepared from the tissue 'cells.
- RT-PCR method reverse transcriptase polymerase chain reaction
- the DNA encoding the polypeptide of the present invention or the protein of the present invention can also be produced by the following genetic engineering technique.
- a synthetic DNA primer having a partial base sequence of the polypeptide of the present invention or the protein of the present invention is used as ffl.
- a method for amplifying a target DNA from the above-mentioned DNA library by the known PCR method, or a DNA sequence encoding a polypeptide of the present invention or a protein of the present invention is used as ffl.
- a method for amplifying a target DNA from the above-mentioned DNA library by the known PCR method, or a DNA sequence encoding a polypeptide of the present invention or a protein of the present invention is selected by hybridization with a DNA fragment having a partial or total region or labeled with synthetic DNA.
- the hybridization method is performed according to, for example, the method described in Molecular Cloning (2nd ed .; J. Sarabrook et al., Cold Spring Harbor Lab. Press, 1989). When using a commercially available library, follow the method described in the attached instruction manual. More preferably, it can be performed according to high stringent conditions.
- the high stringent conditions include, for example, a sodium concentration of about 19-4 OmM, preferably about 19-2 OmM, and a temperature of about 50-70 ° C, preferably about 60-65 ° C. Indicates conditions. In particular, it is most preferable when the sodium concentration is about 19 mM and the temperature is about 65 ° C.
- the DNA sequence can be converted using a known kit such as Mutan TM -super Express Km (Takara Shuzo Co., Ltd.), Mutan TM -K (Takara Shuzo Co. Ltd.), etc. It can be carried out according to a known method such as the duplex method or the Kunkel method, or a method based thereon.
- a known kit such as Mutan TM -super Express Km (Takara Shuzo Co., Ltd.), Mutan TM -K (Takara Shuzo Co. Ltd.), etc. It can be carried out according to a known method such as the duplex method or the Kunkel method, or a method based thereon.
- the cloned DNA encoding the polypeptide of the present invention or the protein of the present invention can be used as it is depending on the purpose, or can be digested with a restriction enzyme or added with a linker if desired.
- the DNA may have ATG as a translation initiation codon on the 5 ′ end side, and TA A, TGA or TAG as a translation termination codon on the 3 ′ end side. These translation initiation codon and translation termination codon can also be added using an appropriate synthetic DNA adapter.
- the expression vector of the polypeptide of the present invention or the protein of the present invention includes, for example, (i) excising a target DNA fragment from DNA encoding the polypeptide of the present invention or the protein of the present invention, and (ii) The DNA fragment can be produced by ligating downstream of the promoter in an appropriate expression vector.
- vectors examples include plasmids derived from E. coli (eg, pBR322, pBR32 5, pUC 12, pUC 13), plasmids derived from Bacillus subtilis (eg, pUB 110, pTP 5, p C 1 94), plasmids derived from yeast (eg, p SH 19, p SH 15), Bacteriophages such as L phage, animal viruses such as retrovirus, vaccinia virus and baculovirus are used.
- the promoter used may be any promoter as long as it is suitable for the host used for gene expression.
- the host to be transformed is an animal cell, use SV40-derived promoter, retro vinores promoter, metamouthonein promoter, heat shock promoter, cytomegaloinoles promoter, SRa promoter, etc. it can. Tr p promoter, T7 promoter, lac promoter, recA promoter, LPL promoter, 1 pp promoter, etc. when the host is Escherichia sp. SPO 1 when the host is Bacillus sp When the host is an enzyme such as a promoter, SPO2 promoter, pen P promoter, etc., PH05 promoter, PGK promoter, GAP promoter, ADH1 promoter, GAL promoter and the like are preferable. When the host is an insect cell, polyhedrin promoter, P10 promoter, etc. are preferred.
- the expression vector contains an enhancer, splicing signal, poly A addition signal, selection marker, SV40 replication origin (hereinafter sometimes abbreviated as SV40 ori), etc.
- Selectable markers include, for example, dihydrofolate reductase (hereinafter abbreviated as dhfr) gene [methotrexate (MTX) resistance], ampicillin resistance gene (hereinafter abbreviated as Ampr), neomycin resistance Genes (hereinafter sometimes abbreviated as Neo, G418 resistance) and the like.
- dhfr dihydrofolate reductase
- Ampr ampicillin resistance gene
- Neo neomycin resistance Genes
- G418 resistance neomycin resistance Genes
- the DHFR gene when used as a selection marker using CHO (d h fr-) cells, it can also be selected using a medium not containing thymidine.
- a signal sequence suitable for the host is added to the N-terminal side of the polypeptide or a partial peptide.
- the host is Escherichia, phoA. Signal sequence, OmpA ⁇ signal sequence, etc.
- the host is Bacillus, ⁇ -amylase ⁇ signal sequence, subtilisin ⁇ signal sequence, etc. If there is a mating factor a (MF ⁇ ) 'signal sequence,
- the host is an animal cell such as an invertase signal sequence, an insulin signal sequence, an ⁇ -interferon signal sequence, an antibody molecule, a signal sequence, etc. can be used.
- a transformant can be produced using a vector containing a DN that encodes the polypeptide of the present invention thus constructed.
- Escherichia for example, Escherichia, Bacillus, yeast, insect or insect cell, animal cell and the like are used.
- Bacillus examples include Bacillus subtilis
- yeast examples include Saccharomyces cerevisiae AH 22, AH 22 R—, NA8 7-11 A, DKD-5D, 20 B-12.
- insect cells for example, when the virus is Ac NPV, larvae-derived cell lines (Spodoptera frugiperda cell; S f cells), MG 1 cells derived from the midgut of Trichoplusia ni, derived from eggs of Trichoplusia ni High Five TM cells, cells derived from Maraestra brassicae or cells derived from Estigmena acrea are used. When the virus is BmNP V, cocoon-derived cell lines (Bombyx mori N; BmN cells) are used. Examples of the S f cells include S f 9 cells (ATCC CRL 1711), S f 21 cells [above, in Vitro, 13 ,, pp. 213-217 (1977)] and the like.
- S f cells include S f 9 cells (ATCC CRL 1711), S f 21 cells [above, in Vitro, 13 ,, pp. 213-217 (1977)] and the like.
- animal cells examples include monkey COS-7 cells, Vero cells, Chinese hamster cells CHO, DHFR gene-deficient Chinese hamster cells CHO (dhfr-CHO cells), mouse L cells, mouse 3 T 3 cells, mouse myeloma cells, human ⁇ ⁇ ⁇ 29 3 cells, human FL cells, 293 cells, C 1 27 cells, BALB 3 ⁇ 3 cells, S ⁇ -20 cells, etc. are used.
- Insect cells or insects are transformed according to the method described in, for example, Bio / Technology, 6 ⁇ , pp. 47-55 (1988).
- Animal cells are transformed according to the method described in, for example, Virology, 52 ⁇ , 456 (1973).
- Examples of methods for introducing an expression vector into cells include the lipofusion method.
- a cell in which the expression vector introduced into the animal cells is integrated into a chromosome is selected by clone selection.
- transformants are selected using the above selection marker as an index.
- stable animal cell lines having a high expression ability of the protein of the present invention or the polypeptide of the present invention can be obtained by repeatedly selecting clones from the animal cells obtained using the selection marker. Obtainable.
- the dhfr gene is used as a selection marker, the MTX concentration is gradually increased and cultured, and a resistant strain is selected. Amplify intracellularly to obtain even higher expression animal cell lines.
- the above transformant is cultured under conditions allowing expression of the protein of the present invention or the DNA encoding the polypeptide of the present invention to produce and accumulate the protein of the present invention or the polypeptide of the present invention.
- the protein of the present invention or the polypeptide of the present invention can be produced.
- a liquid medium is suitable as the medium used for the cultivation, and a carbon source necessary for the growth of the transformant is included therein.
- Nitrogen sources, inorganic substances, etc. are included. Examples of carbon sources include glucose, dextrin, soluble starch, and sucrose, and examples of nitrogen sources include ammonium salts, nitrates, corn steep liquor, peptone, force zein, meat extract, soybean meal, potato extract, etc.
- inorganic or organic substances and inorganic substances include calcium chloride, sodium dihydrogen phosphate, and magnesium chloride.
- yeast extract, vitamins, growth promoting factors and the like may be added.
- the pH of the medium is preferably about 5-8.
- M 9 medium containing glucose and casamino acid For example, M 9 medium containing glucose and casamino acid [Miller; Journal of Experiments in Molecular Genetics, 431-433, Cold Spring Harbor Laboratory, New York 1972]
- a drug such as 30-indolylacrylic acid can be added.
- the culture is usually carried out at about 15 to 43 ° C for about 3 to 24 hours, and if necessary, aeration or agitation can be added.
- the culture is usually performed at about 30 to 40 ° C. for about 6 to 24 hours. If necessary, aeration or agitation can be added.
- the pH of the medium is preferably adjusted to about 5-8. Cultivation is usually carried out at about 20 ° C to 35 ° C for about 24 to 72 hours, with aeration and agitation as necessary.
- Insect Medium (Nature, 195, 788 (1962)) What added the thing suitably is used.
- the pH of the medium is preferably adjusted to about 6 ⁇ 2 to 6.4. Incubate at about 27 ° C for about 3-5 days, and add aeration or agitation as necessary.
- examples of the medium include MEM medium [Science, 122 ⁇ , 501 (1952)] containing about 5 to 20% fetal bovine serum, DM EM medium [Virology , 8 ⁇ , 396 (1959)], RPMI 16 40 medium [The Journal of The American Medical Association 199 ⁇ , 519 (1967)], 1 9 9 medium
- the pH is preferably about 6-8. Cultivation is usually carried out at about 30 ° C to 40 ° C for about 15 to 60 hours, with aeration and agitation as necessary.
- C H O (dhfr-) cells and the dhfr gene are used as selection markers, it is preferable to use a DMEM medium containing dialyzed fetal bovine serum that hardly contains thymidine.
- Separation and purification of the protein of the present invention or the polypeptide of the present invention from the culture can be performed, for example, by the following method.
- the cells or cells are collected by a known method after culturing, suspended in an appropriate buffer, and subjected to ultrasound, lysozyme.
- a method of obtaining a crude extract of the protein of the present invention or the polypeptide of the present invention by centrifugation or filtration after disrupting cells or cells by freeze-thawing or the like can be appropriately used.
- the buffer solution may contain a protein denaturing agent such as urea or guanidine hydrochloride, or a surfactant such as Triton (registered trademark) X-100.
- the cells or cells and the supernatant are separated by a method known per se after the completion of the culture, and the supernatant is collected.
- Purification of the protein of the present invention or the polypeptide of the present invention contained in the thus obtained culture supernatant or extract can be performed by appropriately combining known separation and purification methods.
- These known separation and purification methods include methods that utilize solubility, such as salting out, solvent precipitation, dialysis, ultrafiltration, gel filtration, and SDS-polyacrylamide gel electrophoresis.
- solubility such as salting out, solvent precipitation, dialysis, ultrafiltration, gel filtration, and SDS-polyacrylamide gel electrophoresis.
- Methods using the difference in isoelectric points such as isoelectric focusing and chromatofocusing are used.
- the protein of the present invention or the polypeptide of the present invention thus obtained is obtained in a free form, it can be converted into a salt by a known method or a method analogous thereto, and conversely, it can be obtained as a salt. In this case, it can be converted to a free form or other salt by a known method or a method similar thereto.
- the protein of the present invention or the polypeptide of the present invention produced by a recombinant can be modified arbitrarily by applying an appropriate protein-modifying enzyme before or after purification, or the protein ((poly) peptide ) Can also be partially removed.
- protein modifying enzymes include trypsin, chymotrypsin, arginyl endopeptidase, protein kinase, glycosidase, and the like.
- Edman method using Edman reagent can be used.
- the presence of the thus produced protein of the present invention or the polypeptide of the present invention can be measured by, for example, Enzym Immuno assay using a specific antibody.
- the present invention further provides an antibody against the polypeptide of the present invention.
- the antibody against the polypeptide of the present invention may be either a polyclonal antibody or a monoclonal antibody as long as it is an antibody that can recognize the polypeptide of the present invention.
- the antibody against the polypeptide of the present invention can be produced according to a method for producing a known antibody or antiserum using the polypeptide of the present invention as an antigen.
- the polypeptide of the present invention is administered to a mammal at a site where antibody production is possible by administration, together with a carrier or a diluent.
- Complete Freund's adjuvant or incomplete Freund's adjuvant may be administered in order to enhance antibody production ability upon administration. Administration is usually once every 2 to 6 weeks, for a total of 2 to 10 times. Examples of mammals to be used include monkeys, rabbits, dogs, guinea pigs, mice, rats, hidges and goats, with mice and rats being preferred. Used.
- Monoclonal antibody-producing hybridomas can be prepared by fusing the antibody-producing cells contained in the cells with myeloma cells.
- the antibody titer in the antiserum can be measured, for example, by reacting the labeled polypeptide of the present invention with the antiserum, and then measuring the activity of the labeling agent bound to the antibody. .
- the fusion operation can be carried out according to a known method, for example, the method of Kohler and Millstein [Nature, 256 ⁇ , 495 (1975)].
- the fusion promoter include polyethylene glycol (PEG) and Sendai virus, but PEG is preferably used.
- myeloma cells examples include NS-1, P3U1, and SP 2ZO, and P 3U1 is preferably used.
- the preferred ratio between the number of antibody-producing cells (spleen cells) and the number of myeloma cells used is about 1: 1 to 20: 1, and the concentration of PEG (preferably PEG1000 to PEG6000) is about 10 to 80%.
- Cell fusion can be carried out efficiently by incubating at about 20-40 ° C, preferably about 30-37 ° C for about 1-10 minutes.
- Various methods can be used for screening monoclonal antibodies-producing hybridomas.
- the supernatant of a hybridoma culture is applied to a solid phase (eg, microplate) on which the antigen of the polypeptide of the present invention is adsorbed directly or together with a carrier.
- anti-immunoglobulin antibody labeled with radioactive substances or enzymes if the cells used for cell fusion are mice, anti-mouse immunoglobulin antibody is used
- protein if the cells used for cell fusion are mice, anti-mouse immunoglobulin antibody is used
- a method for detecting a monoclonal antibody a hybridoma culture supernatant is added to a solid phase adsorbed with an anti-immunoglobulin antibody or protein A, and the polypeptide A of the present invention labeled with a radioactive substance or an enzyme is labeled.
- a method for detecting a monoclonal antibody bound to a solid phase can be mentioned.
- Selection of monoclonal antibodies can be performed according to a known method or a method similar thereto, but can usually be performed in a medium for animal cells to which HAT (hypoxanthine, aminopterin, thymidine) is added.
- HAT hyperxanthine, aminopterin, thymidine
- Any medium can be used as the selection and breeding medium as long as the hybridoma can grow.
- GIT medium containing 1 to 10% fetal bovine serum (Wako Pure Chemical Industries, Ltd.)
- serum-free medium for hybridoma culture SFM—101, Nissui Pharmaceutical Co., Ltd.
- the culture temperature is usually 20 to 40 ° C, preferably about 37 ° C.
- the culture time is usually 5 days to 3 weeks, preferably 1 week to 2 weeks. Culture can usually be performed under 5% carbon dioxide.
- the antibody titer of the hybridoma culture supernatant can be measured in the same manner as the antibody titer in the antiserum described above.
- Monoclonal antibodies can be separated and purified in the same way as conventional polyclonal antibodies.
- salting out alcohol precipitation, isoelectric precipitation, electrophoresis, ion exchanger
- DEAE adsorption / desorption method, ultracentrifugation method, gel filtration method, antigen-binding solid phase or active adsorbent such as protein A or protein G, and collect only antibody to obtain antibody by dissociating the binding Specific purification method
- the polyclonal antibody of the present invention can be produced according to a known method or a method analogous thereto. For example, a complex of an immunizing antigen (the polypeptide antigen of the present invention) and a carrier protein is prepared, and a mammal is immunized in the same manner as the above-described method for producing a monoclonal antibody. It can be produced by collecting an antibody-containing product against peptide A and separating and purifying the antibody.
- the type of carrier protein and the mixing ratio of carrier and hapten are the antibodies against hapten immunized by cross-linking with carrier.
- a method of coupling at a ratio of about 0.1 to 20 and preferably about 1 to 5 is used.
- various condensing agents can be used for coupling of the hapten and the carrier, and active aldehyde reagents containing a aldehyde, a carbodiimide, a maleimide active ester, a thiol group, or a dithiobilidyl group are used.
- Condensation products can be used in warm-blooded animals at sites where antibodies can be produced. It is administered with a carrier and diluent. In order to enhance antibody production at the time of administration, complete Freund's adjuvant or incomplete Freund's adjuvant may be administered. The administration can be performed about once every 2 to 6 weeks, usually about 3 to 10 times.
- Polyclonal antibodies can be collected from blood, ascites, etc. of mammals immunized by the above method, preferably from blood.
- the measurement of the polyclonal antibody titer in the antiserum can be performed in the same manner as the measurement of the antibody titer in the serum. Separation and purification of the polyclonal antibody can be performed according to the same immunoglopurin separation and purification method as that of the monoclonal antibody described above.
- the present invention provides, for example, (i) a labeled polypeptide of the present invention bound to the antibody by competitively reacting the antibody of the present invention with a test solution and the labeled polypeptide of the present invention.
- the antibody of the present invention insolubilized on the test solution and the carrier, and the labeled of the present invention, characterized by measuring the ratio of peptide
- a method for quantifying the polypeptide of the present invention in a test solution characterized by measuring the activity of a labeling agent on an insolubilized carrier after reacting with an antibody simultaneously or continuously.
- one antibody is an antibody that recognizes the N-terminal part of the polypeptide of the present invention and the other antibody is an antibody that reacts with the C-terminal part of the polypeptide of the present invention.
- the detection of the polypeptide of the present invention using a monoclonal antibody against the polypeptide of the present invention can be carried out using force / tissue staining.
- the antibody molecule itself may be used, or the F (ab,) 2 , F ab ′, or F ab fraction of the antibody molecule may be used.
- the measurement method using an antibody against the polypeptide of the present invention is not particularly limited, and an antibody, antigen or antibody corresponding to the amount of antigen in the solution to be measured (for example, the amount of polypeptide of the present invention) Any measurement method can be used as long as it is a measurement method that detects the amount of a single antigen complex by chemical or physical means and calculates this from a standard curve prepared using a standard solution containing a known amount of antigen. Also good. For example, nephrometry, competition The legal method, the immunometric method, and the sandwich method are preferably used, but the sandwich method described later is particularly preferable in terms of sensitivity and specificity.
- Examples of the labeling agent used in the measurement method using the labeling substance include radioisotopes, enzymes, fluorescent substances, and luminescent substances.
- radioactive isotopes include [ 125 I], [ 131 I], [ 3 H], [ 14 C], and the like.
- the enzyme is preferably stable and has a large specific activity.
- monogalactosidase, monodalcosidase, alkaline phosphatase, peroxidase, malate dehydrogenase and the like are used.
- As the fluorescent material for example, fluorescamine, fluoretcene isothiocyanate and the like are used.
- luminescent substance for example, luminol, luminol derivatives, luciferin, lucigenin and the like are used.
- a piotin-avidin system can be used for the binding of the antibody or antigen to the labeling agent.
- insolubilization of an antigen or antibody physical adsorption may be used, or a method using a chemical bond usually used to insolubilize or immobilize a protein or an enzyme may be used.
- the carrier for example, insoluble polysaccharides such as agarose, dextran, and cellulose, synthetic resins such as polystyrene, polyacrylamide, silicon, or glass are used.
- the test solution is reacted with the insolubilized monoclonal antibody of the present invention (primary reaction), and further reacted with the labeled monoclonal antibody of the present invention (secondary reaction), and then labeled on the insolubilized carrier.
- primary reaction the insolubilized monoclonal antibody of the present invention
- secondary reaction the labeled monoclonal antibody of the present invention
- the primary reaction and the secondary reaction may be performed in the reverse order, may be performed simultaneously, or may be performed at different times.
- the labeling agent and the insolubilizing method can be the same as those described above.
- the antibody used for the solid phase antibody or the labeling antibody is not necessarily one type, and a mixture of two or more types of antibodies is used for the purpose of improving measurement sensitivity. It may be used.
- the monoclonal antibody of the present invention used for the primary reaction and the secondary reaction is an antibody having a different site to which the polypeptide of the present invention binds.
- the antibody used in the primary reaction and the secondary reaction is, for example, when the antibody used in the secondary reaction recognizes the C-terminus of the polypeptide of the present invention, the antibody used in the primary reaction is , Prefer For example, an antibody that recognizes the N end other than the C end is used.
- the monoclonal antibody of the present invention can be used in a measurement system other than the sandwich method, for example, a competitive method, an immunometric method, or a nephrometry.
- a competitive method the antigen in the test solution and the labeled antigen are reacted competitively with the antibody, and then the unreacted labeled antigen and (F) are separated from the labeled antigen (B) bound to the antibody.
- B / F separation Measure the amount of labeled B or F, and quantify the amount of antigen in the test solution.
- a soluble antibody is used as an antibody
- a BZF separation is performed using polyethylene glycol
- a liquid phase method using a second antibody against the above antibody and a solid-phased antibody is used as the first antibody
- the first antibody is soluble and the second antibody is a solid phase method using a solid phase antibody.
- the solid phase and the liquid phase are separated after a competitive reaction between the antigen in the test solution and the solid-phased antigen against a certain amount of labeled antibody, or in the test solution. After reacting the antigen with an excess amount of labeled antibody, and then adding a solid-phased antigen to bind the unreacted labeled antibody to the solid phase, the solid phase and the liquid phase are separated. Next, the amount of label in either phase is measured to quantify the amount of antigen in the test solution.
- nephrometry the amount of insoluble precipitate produced as a result of antigen-antibody reaction in gel or solution is measured.
- Laser nephrometry using laser scattering is also preferably used when the amount of antigen in the test solution is small and only a small amount of precipitate is obtained.
- the polypeptide of the present invention can be quantified with high sensitivity by using the antibody of the present invention.
- the antibody of the present invention can be used for specifically detecting the polypeptide of the present invention present in a subject such as a body fluid or tissue.
- production of an antibody column used for purifying the polypeptide of the present invention, detection of the polypeptide of the present invention in each fraction during purification, and behavior of the polypeptide of the present invention in a test cell It can be used for analysis, etc.
- the antisense polynucleotide containing a complementary base sequence contains a base sequence complementary to or substantially complementary to the base sequence of the DNA of the present invention, and can suppress the expression of the DNA. Any antisense polynucleotide may be used as long as it has a DNA, but antisense DNA is preferred.
- the base sequence substantially complementary to the DNA of the present invention is, for example, about the entire base sequence or partial base sequence of the base sequence complementary to the DNA of the present invention (that is, the 'complementary strand of the DNA of the present invention).
- Examples include nucleotide sequences having homology of 70% or more, preferably about 80% or more, more preferably about 90% or more, and most preferably about 95% or more.
- the complementary strand of the base sequence encoding the N-terminal portion of the protein of the present invention for example, the base sequence near the start codon, etc.
- more, preferably about 80% or more, more preferably about 90% or more, most preferably about 95% or more of an antisense polynucleotide having homology for example, the base sequence near the start codon, etc.
- J Specifically, SEQ ID NO: 13, SEQ ID NO: 14, SEQ ID NO: 15, SEQ ID NO: 16, SEQ ID NO: 17, SEQ ID NO: 18, SEQ ID NO: 19, SEQ ID NO: 20, ⁇ Self Column No.
- SEQ ID NO: 21 21, SEQ ID NO: 22, SEQ ID NO: 2.3, SEQ ID NO: 24, SEQ ID NO: 45, SEQ ID NO: 48 or complementary to the nucleotide sequence of DNA containing the base sequence represented by SEQ ID NO: 51 , Or a substantially complementary nucleotide sequence, or an antisense polynucleotide containing a part thereof.
- the antisense polynucleotide is usually composed of about 10 to 40 bases, preferably about 15 to 30 bases.
- phosphate residues (phosphates) of each nucleotide that constitutes antisense DNA are chemically modified, for example, phosphorylate, methylphosphonate, phosphorodithionate, etc. It may be substituted with a phosphate residue.
- phosphate residues phosphates
- These antisense polynucleotides can be produced using a known DNA synthesizer.
- an antisense polynucleotide capable of inhibiting the replication or expression of the gene encoding the polypeptide of the present invention is cloned, or the nucleotide sequence of the DNA encoding the determined polypeptide Can be designed and synthesized based on information.
- a polynucleotide can hybridize with the RNA of the gene encoding the polypeptide of the present invention, and can inhibit the synthesis or function of the RNA ⁇ or the polypeptide-related RNA of the present invention. It is possible to regulate / control the expression of the gene encoding the polypeptide of the present invention through this interaction.
- a polynucleotide complementary to a selected sequence of the polypeptide-related RNA of the present invention, and a polynucleotide capable of specifically hybridizing with the polypeptide-related RNA of the present invention are: It is useful for regulating / controlling the expression of the gene encoding the polypeptide of the present invention, and for treating or diagnosing diseases.
- corresponding means homologous to or complementary to a specific sequence of nucleotides, nucleotide sequences or nucleic acids including genes. “Corresponding” between a nucleotide, nucleotide sequence or nucleic acid and polypeptide usually refers to the amino acid of the polypeptide under the direction derived from the sequence of the nucleotide (nucleic acid) or its complement. .
- the end hairpin loop can be selected as the preferred region of interest, but any region within the gene that codes for the polypeptide can be selected as the subject.
- the relationship between the nucleic acid of interest and a polynucleotide complementary to at least a part of the region of interest can be said to be “antisense”.
- Antisense polynucleotides are polynucleotides containing 2-deoxy D-ribose, polynucleotides containing D-ribose, and other types of polynucleotides that are N-glycosides of purine or pyrimidine bases. Nucleotides or other polymers with non-nucleotide backbones or other polymers containing special linkages (however, the polymer must be arranged to allow base attachment, such as base pairing as found in DNA or RNA) And the like).
- RNA hybrids can be double-stranded DNA, single-stranded DNA, double-stranded RNA, single-stranded RNA, and even DNA: RNA hybrids, and unmodified polynucleotides (or unmodified oligos).
- Nucleotides and with known modifications, such as those with labels known in the art, capped, methylated, and one or more natural nucleotides replaced with analogs
- Those with intramolecular nucleotide modifications such as those with uncharged bonds (eg methylphosphonates, phosphotriesters, phosphoramidates, force rubamates, etc.), charged bonds or sulfur-containing bonds (eg Having phosphorothioate, phosphorodithioate, etc., such as proteins (nuclease, nuclease inhibitors, toxins , Antibodies, signal peptides, poly-L-lysine, etc.) and sugars (eg, monosaccharides), etc., side chain
- nucleoside may include not only purine and pyrimidine bases but also those having other heterocyclic bases modified. Such modifications may include methylated purines and pyrimidines, acylated purines and pyrimidines, or other heterocycles. Modified nucleotides And modified nucleotides may also have sugar moieties modified, for example, one or more hydroxyl groups are replaced by halogens, aliphatic groups, etc., or converted to functional groups such as ethers, amines, etc. It may be.
- the antisense polynucleotide of the present invention is R N A, D N A, or a modified nucleic acid (R N A, D N A).
- modified nucleic acids include, but are not limited to, nucleic acid sulfur derivatives, thiophosphate derivatives, and polynucleotide nucleoside amides that are resistant to degradation of oligonucleoside amides.
- the antisense polynucleotide of the present invention has the following policy: (1) To make the antisense polynucleotide in the cell more stable, (2) Antisense
- the antisense polynucleotide of the present invention may contain saccharides, bases, or bonds that have been altered or modified, and are specialized in ribosomes and microspheres.
- lipid 20 can be done. In this way, it can be used in addition form as a polycationic substance such as polylysine that acts to neutralize the charge of the phosphate group skeleton, or a lipid that enhances the interaction with the cell membrane or increases the uptake of nucleic acid (for example, hydrophobic substances such as phospholipids and cholesterol).
- Preferred lipids for addition include cholesterol and its derivatives (eg, cholesteryl).
- nucleic acids 25 black mouth formate, cholic acid, etc.
- These can be attached to the 3 'or 5' end of nucleic acids and can be attached via bases, sugars, or intramolecular nucleoside linkages.
- Other groups include capping groups specifically located at the 3 'or 5' end of nucleic acids to prevent degradation by nucleases such as exonucleases and RNases. . This way
- capping group examples include a hydroxyl-protecting group known in the art, such as Daricol such as polyethylene glycol and tetraethylene glycol. However, it is not limited to this.
- the inhibitory activity of the antisense polynucleotide should be examined using the transformant of the present invention, the in vivo or in vitro gene expression system of the present invention, or the in vivo or in vitro translation system of the polypeptide of the present invention. Can do.
- the nucleic acid can be applied to cells by various known methods.
- a partial peptide thereof, an amide thereof, or a salt thereof may be abbreviated as “polypeptide A1 of the present invention”.
- polypeptide A2 of the present invention A polypeptide containing an amino acid sequence, a partial peptide thereof, an amide thereof, or a salt thereof may be abbreviated as “polypeptide A2 of the present invention”.
- polypeptide B of the present invention the amino acid sequence represented by SEQ ID NO: 37, SEQ ID NO: 38, SEQ ID NO: 39, SEQ ID NO: 40, SEQ ID NO: 41, or SEQ ID NO: 42 is identical or substantially the same.
- a polypeptide containing the same amino acid sequence, a partial peptide thereof, an amide thereof, or a salt thereof may be abbreviated as “polypeptide B of the present invention”.
- Screening method and screening kit for pharmaceutical scavenger compounds Screening method for pharmaceutical candidate compounds characterized by using the polypeptide of the present invention and pharmaceutical candidates characterized by containing the polypeptide of the present invention
- the compound screening kit hereinafter sometimes abbreviated as “the screening method of the present invention” and “the screening kit of the present invention”, respectively) will be described below.
- the polypeptide of the present invention promotes or inhibits the activity of the polypeptide of the present invention. It is useful as a reagent for screening a compound or a salt thereof.
- a screening method for a compound or a salt thereof that promotes or inhibits the activity (function) of the polypeptide of the present invention which is characterized by using the polypeptide of the present invention (hereinafter may be abbreviated as promoter or inhibitor). Include the following 1) to 3). -
- the cell is cultured and the amount of prolactin secreted is measured.
- the cells those in which prolactin secretion is induced are preferably used.
- rat anterior pituitary cells eg, eosinophilic cells
- the medium may be any medium as long as it does not inhibit activities such as the prolactin secretion inhibitory activity of the polypeptide A1 of the present invention.
- DMEM Dulbecco modified Eagle's medium
- the amount of prolactin secreted can be measured by a known method, for example, a radioimmunoassay method using a RIA (radioimmunoassay) kit (manufactured by Amersham, etc.).
- test compounds include peptides, proteins, antibodies, non-peptide compounds, synthetic compounds, fermentation products, cell extracts, plant extracts, animal tissue extracts, plasma, etc. These compounds May be a novel compound or a known compound.
- the activity (eg, prolactin secretion inhibitory activity) of the polypeptide A 1 of the present invention in the case (ii) is about 20% or more, preferably 30% or more, compared to the case (i) ′. More preferably, the test compound that promotes about 50% or more can be selected as a compound that promotes the activity of the polypeptide A1 of the present invention or a salt thereof.
- the activity (eg, prolactin secretion inhibitory activity) of the polypeptide A 1 of the present invention in the case (ii) above is about 20% or more, preferably 3%, compared with the case (i) above.
- a test compound that inhibits 0% or more, more preferably about 50% or more can be selected as a compound that inhibits the activity of the polypeptide A1 of the present invention or a salt thereof.
- the cells are cultured, and the amount of prolactin secreted is measured.
- the above-mentioned cells those in which prolactin secretion is induced are preferably used.
- rat anterior pituitary cells eg, eosinophilic cells
- the medium may be any medium as long as it does not inhibit activities such as prolactin secretion activity of the polypeptide A2 of the present invention, and for example, DEM (Dulbecco modified Eagle's medium) is used.
- the amount of prolactin secreted can be measured by a known method, for example, a radioimmunoassay method using a RIA (radioimmunoassay) kit (manufactured by Amersham etc.).
- test compounds include peptides, proteins, antibodies, non-peptide compounds, synthetic compounds, fermentation products, cell extracts, plant extracts, animal tissue extracts, plasma, etc.
- a compound may be sufficient and a well-known compound may be sufficient.
- the activity (eg, prolactin secretion activity) of the polypeptide A 2 of the present invention in the case (iv) above is about 20% or more, preferably compared to the case (ii i) above.
- a test compound that promotes 30% or more, more preferably about 50% or more can be selected as a compound or a salt thereof that promotes the activity of the polypeptide A2 of the present invention.
- the activity (eg, prolactin secretion activity) of the polypeptide A 2 of the present invention in the case (iv) is about 20% or more, preferably 30% or more, compared to the case (iii). More preferably, a test compound that inhibits about 50% or more can be selected as a compound that inhibits the activity of the polypeptide A2 of the present invention or a salt thereof.
- the cells are cultured and the amount of prolactin secreted is measured.
- those in which prolactin secretion is induced are preferably used.
- the medium may be any medium as long as it does not inhibit activities such as prolactin secretion activity of the polypeptide B of the present invention.
- force S such as DMEM (Dulbecco modified Eagle's medium) is used.
- the amount of prolactin secreted can be measured by a known method, for example, a radioimmunoassay method using a RIA (radioimmunoassay) kit (Araersham, etc.).
- Test compounds include, for example, peptides, proteins, antibodies, non-peptide compounds, synthetic compounds, fermentation products, cell extracts, plant extracts, animal tissue extracts, plasma, etc. A compound may be sufficient and a well-known compound may be sufficient.
- the activity (eg, prolactin secretion activity) of the polypeptide B of the present invention in the case (vi) is about 20% or more, preferably 30% or more, compared to the case (V). More preferably, a test compound that promotes about 50% or more can be selected as a compound that promotes the activity of polypeptide B of the present invention or a salt thereof.
- the activity (eg, prolactin secretion activity) of the polypeptide B of the present invention in the case (vi) is about 20% or more, preferably 30% or more, compared to the case (V). More preferably, a test compound that inhibits about 50% or more can be selected as a compound that inhibits the activity of polypeptide B of the present invention or a salt thereof.
- a screening kit for a compound that promotes or inhibits the activity of the polypeptide of the present invention or a salt thereof contains the polypeptide of the present invention or a salt thereof.
- it further contains a reagent for measuring the activity of the polypeptide of the present invention, such as a reagent for measuring prolactin (for example, RIA kit).
- a reagent for measuring prolactin for example, RIA kit.
- Examples of the screening kit of the present invention include those containing the following (a) and (b). '
- the polypeptide of the present invention is dissolved to 1 mM in PBS containing 0.1% ushi serum albumin (manufactured by Sigma) and stored at 120 ° C. (Method for screening compound or salt thereof that changes the binding property of the polypeptide of the present invention and the protein of the present invention)
- a method for screening a compound or a salt thereof that changes the binding property between the polypeptide of the present invention and the protein of the present invention characterized by using the polypeptide of the present invention
- a kit for screening a compound or a salt thereof that changes the binding property between the polypeptide of the present invention and the protein of the present invention which comprises the polypeptide of the present invention and the protein of the present invention (hereinafter referred to as “ The “screening method of the present invention” and “the screening kit of the present invention” may be abbreviated in some cases.
- Such compounds have cell-stimulating activity (for example, arachidonic acid release, acetylcholine release, intracellular C a 2+ release, intracellular c AM P production, intracellular c GM P production via the protein of the present invention. , Inositol phosphate production, cell membrane potential fluctuation, intracellular protein phosphorylation, c-fos activation, pH promoting activity, etc. (ie agonist) and cell stimulating activity Compounds that do not have (ie, antagonists) are included.
- “changing the binding property between the polypeptide of the present invention and the protein of the present invention” means both the case of inhibiting the binding between the polypeptide of the present invention and the protein of the present invention and the case of promoting the binding. Is included.
- the present invention comprises: (i) the case where the polypeptide of the present invention is contacted with the protein of the present invention; and (ii) the case where the polypeptide of the present invention and a test compound are contacted with the above-described protein of the present invention.
- the polypeptide of the present invention is characterized by being compared with the case.
- the present invention also relates to a method for screening a compound or a salt thereof that changes the binding property between the tide and the protein of the present invention.
- the above-described protein of the present invention is contacted with the polypeptide of the present invention; and (ii) the above-described protein of the present invention is contacted with the polypeptide of the present invention.
- cell stimulating activity eg, arachidonic acid release, acetylcholine release, intracellular C a 2+ release, intracellular c AM P production, intracellular c Measurement and comparison of GMP production, inositol phosphate production, cell membrane potential fluctuation, intracellular protein phosphorylation, c-f OS activation, pH change, etc.
- the screening method of the present invention includes:
- labeled polypeptide of the present invention expressed as a derivative of the polypeptide of the present invention (hereinafter simply referred to as “labeled polypeptide of the present invention”) is contacted with the protein of the present invention and the amount of binding of the polypeptide of the present invention to the protein of the present invention when the labeled polypeptide of the present invention and the test compound are brought into contact with the protein of the present invention.
- the labeled polypeptide of the present invention When the labeled polypeptide of the present invention is brought into contact with a cell containing the protein of the present invention or a membrane fraction of the cell, the labeled polypeptide of the present invention and the test compound are mixed with the protein of the present invention. The amount of binding of the labeled polypeptide of the present invention to the cell or the membrane fraction when it is brought into contact with the contained cell or the membrane fraction of the cell is measured and compared. A method for screening a compound or a salt thereof that alters the binding property between the peptide and the protein of the present invention,
- the labeled polypeptide of the present invention When the labeled polypeptide of the present invention is brought into contact with the protein of the present invention expressed on the cell membrane by culturing a transformant containing the DNA encoding the protein of the present invention, When the polypeptide of the invention and the test compound are contacted with the protein of the present invention expressed on the cell membrane by culturing a transformant containing the DNA encoding the protein of the present invention, the labeled of the present invention A compound that changes the binding between the polypeptide of the present invention and the protein of the present invention, characterized by measuring and comparing the amount of the polypeptide bound to the protein of the present invention or Screening method for the salt,
- the compound that activates the protein of the present invention for example, the polypeptide of the present invention
- a cell containing the protein of the present invention e.g, arachidonic acid release, acetylcholine release, intracellular Ca2 + release, intracellular cAM) P production, intracellular c GM P production, inositol phosphate production, cell membrane potential fluctuation, intracellular protein phosphorylation, c-fos activation, pH promoting activity, etc.
- a screening method for a compound or a salt thereof that changes the binding property between the polypeptide of the present invention and the protein of the present invention e.g, arachidonic acid release, acetylcholine release, intracellular Ca2 + release, intracellular cAM
- a screening method for a compound or a salt thereof that changes the binding property between the polypeptide of the present invention and the protein of the present invention
- Cell stimulation activity via the protein of the present invention when contacted with the protein of the present invention eg, arachidonic acid release, acetylcholine release, intracellular Ca2 + release, intracellular cAMP generation, intracellular c Measures and compares GMP production, inositol phosphate production, cell membrane potential fluctuation, intracellular protein phosphorylation, c-fos activation, pH promotion activity, etc.
- the protein of the present invention used in the screening method of the present invention may be any protein as long as it contains the protein of the present invention, such as membrane fractions of organs such as humans and mammals. Is preferred. However, since it is extremely difficult to obtain organs derived from humans, the protein of the present invention expressed in large quantities using a recombinant is suitable for use in screening.
- the preparation method described below when the cell or the cell membrane fraction containing the protein of the present invention is used, the preparation method described below may be followed.
- TGR 1 When a cell containing the protein of the present invention, for example, TGR 1, is used, It may be fixed with taraldehyde or formalin.
- the immobilization method can be performed according to a known method.
- Examples of cells containing TGR 1 include the force S that refers to host cells expressing TGR 1, and examples of the host cells include the aforementioned E. coli, Bacillus subtilis, yeast, insect cells, and animal cells.
- the membrane fraction refers to a fraction containing a large amount of cell membrane obtained by a known method after disrupting cells.
- Cell disruption methods include potter- Elvehjem homogenizers, crushing cells, Waring blender polytron
- Examples include crushing by Kinematica, ultrasonic crushing, and rupturing by ejecting cells from a thin nozzle while applying pressure with a French press.
- a fractionation method using centrifugal force such as a fractional centrifugation method or a density gradient centrifugation method is mainly used.
- the cell lysate is centrifuged at a low speed (500 r pn! To 300 0 rpm) for a short time (usually about 1 to 10 minutes), and the supernatant is further accelerated (15 000 rpm to 30000 rpm). Centrifuge for 30 minutes to 2 hours, and use the resulting precipitate as the membrane fraction.
- the membrane fraction is rich in TGR 1 expressed and membrane components such as cell-derived phospholipids and membrane proteins.
- the amount of TGR 1 in the TGR 1-containing cells and membrane fractions is preferably 10 3 to 10 8 molecules, more preferably 10 5 to 10 7 molecules per cell.
- the higher the expression level the higher the ligand binding activity per membrane fraction, making it possible not only to construct a highly sensitive screening system, but also to measure a large number of samples with the same mouthpiece. It becomes like this.
- an appropriate protein fraction of the present invention and A labeled ligand or a compound having ligand activity (such as the polypeptide of the present invention) is used.
- the protein fraction of the present invention is preferably a natural fraction of the protein of the present invention, or a recombinant protein fraction of the present invention having equivalent activity.
- equivalent activity refers to equivalent ligand binding activity and the like.
- a labeled ligand or a compound having ligand activity (such as the polypeptide of the present invention) is used.
- ligands labeled with [ 3 H], [ 125 I], [ 14 C], [ 35 S], etc. labels of the polypeptide of the present invention
- a cell or a membrane fraction of the cell containing the protein of the present invention is screened.
- the buffer may be any buffer that does not inhibit the binding between the ligand and the receptor, such as a phosphate buffer having a pH of 4 to 10 (preferably pH 6 to 8) or a tris monohydrochloride buffer.
- surfactants such as CHAPS, Tween-80 TM (Kaoichi Atlas Co., Ltd.), digitonin, and deoxycholate can be added to the buffer.
- protease inhibitors such as PMS F, leupeptin, E-64 (manufactured by Peptide Institute) and pepstatin may be added for the purpose of suppressing the degradation of the protein of the present invention and the polypeptide of the present invention by protease. it can.
- a fixed amount (5000 c ⁇ ! To 500000 c ⁇ m) of the labeled polypeptide of the present invention (labeled product of the polypeptide of the present invention) was added to 0.0 lm 1 to 10 ml of the receptor solution. Coexist with 4 to 10 test compounds.
- NBS non-specific binding
- the reaction is carried out at 0 ° C to 50 ° C, preferably 4 ° C to 37 ° C for 20 minutes to 24 hours, preferably 30 minutes to 3 hours.
- filter with a glass fiber filter paper, etc. wash with an appropriate amount of the same buffer, and then measure the radioactivity remaining on the glass fiber filter paper with a liquid scintillation counter or ⁇ -counter.
- the specific binding amount (B—NSB) is For example, a test compound that is 80% or less can be selected as a candidate substance capable of changing the binding property between the protein of the present invention and the polypeptide of the present invention.
- BI Acore manufactured by Amersham Almacia Biotech
- BI Acore manufactured by Amersham Almacia Biotech
- the polypeptide of the present invention is immobilized on a sensor chip by the amino coupling method according to the protocol attached to the apparatus, and a cell containing the protein of the present invention or DNA encoding the protein of the present invention is immobilized.
- a purified protein of the present invention or a membrane fraction containing the protein of the present invention, or a purified protein of the present invention or a membrane fraction containing the protein of the present invention and a phosphate buffer containing a test compound Pass a buffer, such as a buffer or Tris buffer, over the sensor chip at a flow rate of 2–20 ⁇ 1 per minute.
- a buffer such as a buffer or Tris buffer
- cell stimulation via the protein of the present invention is carried out.
- Activity eg, arachidonic acid release, acetylcholine release, intracellular Ca 2+ release, intracellular c AM P production, intracellular c GM P production, inositol phosphate production, cell membrane potential fluctuation, intracellular protein phosphorylation, c
- activity that promotes fos activation, pH reduction, etc., or the like can be measured using known methods or commercially available measurement kits.
- Activity eg, arachidonic acid release, acetylcholine release, intracellular Ca 2+ release, intracellular c AM P production, intracellular c GM P production, inositol phosphate production, cell membrane potential fluctuation, intracellular protein phosphorylation, c
- activity that promotes fos activation, pH reduction, etc., or the like can be measured using known methods or commercially available measurement kits.
- cells containing the protein of the present invention are cultured in a multiwell plate or the like.
- cells expressing the protein of the present invention are used.
- the aforementioned recombinant protein-expressing cell line is desirable.
- the protein-expressing cell of the present invention which is a transformant may be a stable expression strain or a transient expression strain.
- the same kind of animal cells as above are used.
- Test compounds include, for example, peptides, proteins, antibodies, non-peptide compounds Products, synthetic compounds, fermentation products, cell extracts, plant extracts, animal tissue extracts, plasma and the like.
- the following ligand system is used for the above-mentioned ligand / receptor assembly system.
- the stimulating activity of the polypeptide of the present invention on the protein-expressing cell of the present invention can be measured.
- This method does not use cells containing the protein of the present invention as described in (4) to (5) above, but uses the membrane fraction containing the protein of the present invention as described in (1) to (3).
- cell stimulating activity is measured as in (4) to (5), and the substance that exhibits GTPy S binding promoting activity to the protein membrane fraction of the present invention in this measurement method is an agonist.
- the polypeptide of the present invention or the polypeptide of the present invention and a test compound are added, and GTP y S is added to the cell membrane fraction expressing the protein of the present invention compared to the single administration of the polypeptide of the present invention.
- a compound that changes the binding property between the polypeptide of the present invention and the protein of the present invention can be screened.
- the compound showing the activity of suppressing the GTP ⁇ S binding promoting activity to the cell membrane fraction expressing the protein of the present invention by the polypeptide of the present invention is the binding property between the protein of the present invention and the polypeptide of the present invention.
- an agonist can be screened by administering only the test compound and observing the GTPyS binding promoting activity to the cell membrane fraction expressing the protein of the present invention.
- the radioactivity of the experimental group to which only the polypeptide of the present invention was added was 100%
- the radioactivity of the experimental group to which the polypeptide of the present invention was not added was 0%
- the GTP ⁇ S binding promoting activity by the polypeptide of the present invention was Calculate the effect of the test compound.
- a test compound having a GTP y S binding promoting activity of, for example, 80% or less can be selected as a candidate substance capable of changing the binding property between the protein of the present invention and the polypeptide of the present invention.
- the amount of cAMP produced by various animal cells in which the protein of the present invention is expressed is an anti-cAMP antibody obtained by immunizing mice, rats, rabbits, goats, tusks, etc. and 125 1-labeled cAMP (both commercially available) Can also be measured in other EIA systems that combine RIA or anti-cAMP antibody with labeled cAMP. Further possible also beads 125 1-labeled cAMP and that by the SPA method using a quantitative scintillant containing the anti-cAMP antibody was fixed by using such antibodies to such protein A or animal IgG used in the anti-cAMP antibody production Yes (uses a kit made by Amersham Almacia Biotech).
- the intracellular cAMP level is increased by a ligand that increases the cellular level of cAMP, such as forskolin or calcitonin, and the polypeptide of the present invention or the polypeptide of the present invention and a test compound are added.
- a ligand that increases the cellular level of cAMP such as forskolin or calcitonin
- screening of the compound that changes the binding between the polypeptide of the present invention and the protein of the present invention can be performed.
- the compound showing the activity of inhibiting the cAMP production inhibitory activity of the protein-expressing cell of the present invention by the polypeptide of the present invention is capable of changing the binding property between the protein of the present invention and the polypeptide of the present invention.
- suppression of cAMP production by adding only test compounds By examining the activity, it is possible to screen for a compound exhibiting an agonist activity.
- CHO cells expressing the protein of the present invention are seeded at 5 ⁇ 10 4 cells / well in a 24-well plate and cultured for 48 hours. Cells are washed with Hank's buffer (pH 7.4) containing 0.2 mM 3 i sobutyl-methylxanthine, 0.05% BSA and 20 mM HEPES (hereinafter 0.2 mM 3-isoptyl-methylxanthine and 0.05% Hanks buffer containing BSA and 20 mM HEPES
- reaction buffer (PH7.4) is called reaction buffer). Then add 0.5 ml of reaction buffer and incubate for 30 minutes in an incubator. Remove 0.25 ml of reaction buffer, add 0.25 ml of reaction buffer to cells, and then add 2 forskolin. 0.25 ml of reaction buffer contains 1 nM of the polypeptide of the present invention or 1 nM of the present invention. Add the addition of the above polypeptide and test compound to 13 ⁇ 4 and react at 37 ° C for 24 minutes. Stop the reaction by adding 20% perchloric acid of ⁇ , then extract intracellular cAMP by placing it on ice for 1 hour. The amount of cAMP in the extract is measured using the cAMP EIA kit (Amersham Armasia Biotech).
- Test compound for cAMP production inhibitory activity by the polypeptide of the present invention assuming that the amount of cAMP produced by forskolin stimulation is 100% and the amount of cAMP suppressed by the addition of 1 nM polypeptide of the present invention is 0%. Calculate the impact of.
- a test compound that inhibits the activity of the polypeptide of the present invention and has a cAMP production activity of 80% or less, for example, is used as a candidate substance capable of changing the binding property between the protein of the present invention and the polypeptide of the present invention. You can choose.
- cAMP produced by adding a test compound to CHO cells expressing the protein of the present invention without adding forskolin is quantified by the above method.
- a test compound having a cAMP production activity of, for example, 10% or more should be selected as a candidate substance capable of changing the binding property between the protein of the present invention and the polypeptide of the present invention. Can do.
- DNA containing CRE (cAMP response element) is inserted into the multiple cloning site upstream of the luciferase gene of Pitsukagene Basic Vector or Pitsukagene Enhanser Vector (Toyo Ink Co., Ltd.), and this is inserted into the CRE_reporter.
- a gene vector is used. In cells transfected with CRE—reporter gene vector, stimulation accompanied by elevated cAMP is mediated by CRE Induced luciferase gene expression and subsequent production of luciferase protein. In other words, by measuring the luciferase activity, it is possible to detect a change in the amount of cAMP in the CRE-reporter gene vector-introduced cell.
- a cell in which the binding of the polypeptide of the present invention to the protein of the present invention can be screened using a cell in which a CRE-reporter gene vector is transfected into the protein-expressing cell of the present invention. Specific screening methods are described below.
- the protein-expressing cells of the present invention into which CRE-reporter gene has been introduced are seeded in a 24-well plate at 5 ⁇ 10 3 cells / well and cultured for 48 hours. Wash the cells with Hank's buffer (P.H7.4) containing 0.2 mM 3 _isobutyl-methylxanthine, 0.05% BSA and 20 mM HEPES (hereinafter 0.2 raM 3-isobutyl monomethylxanthine and 0.05 % Hanks buffer (pH 7.4) containing BSA and 20raM HEPES is called the reaction buffer. Then add 0.5 ml of reaction buffer and incubate for 30 minutes in an incubator.
- Hank's buffer P.H7.4
- BSA and 20 mM HEPES hereinafter 0.2 raM 3-isobutyl monomethylxanthine and 0.05 % Hanks buffer (pH 7.4) containing BSA and 20raM HEPES is called the reaction buffer.
- reaction buffer After removing the reaction buffer and adding 0.25 ml of reaction buffer to the cells, add 1 nM of the polypeptide of the present invention or 1 nM of the polypeptide of the present invention and 2 ⁇ forskolin. Add 0.25 ml of reaction buffer containing to the cells and incubate at 37 ° C for 24 minutes. Cells are lysed with a cytolytic agent for Pitsukagene (Toyo Ink Manufacturing Co., Ltd.), and a luminescent substrate (Toyo Ink Manufacturing Co., Ltd.) is added to the lysate. Luminescence by luciferase is measured with a noreluminometer, liquid scintillation counter or top counter.
- the influence of the compound that changes the binding between the polypeptide of the present invention and the protein of the present invention can be measured by comparing the amount of luminescence by luciferase with that when the polypeptide of the present invention is administered alone. At this time, the administration of the polypeptide of the present invention suppresses the increase in the amount of luminescence due to forskolin stimulation, but the compound that restores this suppression changes the binding property of the protein of the present invention and the polypeptide of the present invention. Can be selected as a candidate substance capable of On the other hand, agonists can be screened by administering only the test compound and observing the suppression of the amount of luminescence increased by stimulation with forskolin, similar to the polypeptide of the present invention.
- Alkaline phosphatase activity can be determined by, for example, Lumi-Phos 530 manufactured by Wako Pure Chemicals, and chloramphenicol acetyltransferase activity by, for example, FAST CAT chrolamphenicol acetyltransferase assay kit manufactured by Wako Pure Chemical.
- Galactosidase activity can be measured by, for example, Aurora Gal-XE manufactured by Wako Pure Chemical Industries. .
- a compound that inhibits the activity of releasing the arachidonic acid metabolite by the polypeptide of the present invention can be selected as a candidate substance capable of changing the binding property between the protein of the present invention and the polypeptide of the present invention. Further, by adding only the test compound and examining the arachidonic acid metabolite release activity of the protein-expressing cell of the present invention, a compound exhibiting agonist activity can be screened.
- CHO cells expressing the protein of the present invention are seeded in a 24-well plate at 5 ⁇ 10 4 cells / well, cultured for 24 hours, and then added with [] arachidonic acid at 0.25 ju Ci / well. [3 ⁇ 4] 16 hours after addition of arachidonic acid, the cells were washed with Hank's buffer (pH 7.4) containing 0.05% BSA and 20 mM HEPES, and 0.05% BSA was added to each well.
- Hank's buffer pH 7.4
- a buffer containing the polypeptide of the present invention at a final concentration of 10 nM or 10 nM of the polypeptide of the present invention and a test compound dissolved in Hank's buffer (pH 7.4) containing 20 mM HEP.
- Hanks buffer (pH 7.4) containing 0.05% BSA and 20raM HEPES is called the reaction buffer.
- the reaction buffer After incubation at 37 ° C for 60 minutes, add 400 l of the reaction solution to the scintillator and measure the amount of [] arachidonic acid metabolites released in the reaction solution using a scintillation counter.
- a test compound having an arachidonic acid metabolite productivity of, for example, 50% or less can be selected as a candidate substance capable of changing the binding property between the protein of the present invention and the polypeptide of the present invention.
- the protein-expressing cells of the present invention were seeded on a sterilized microscope cover glass, and two days later, the culture solution was replaced with HBSS suspended in 4 mM Fura-2 AM (Dojindo Laboratories), and at room temperature for 2 hours. Leave for 30 minutes. After washing with HBSS, a cover glass is set in the cuvette, and the excitation wavelength when adding the polypeptide of the present invention or the polypeptide of the present invention and the test compound with a fluorometer is 340 nm and 505 nm at 380 nm. Measure the increase in fluorescence intensity ratio.
- the polypeptide of the present invention or the polypeptide of the present invention and a test compound are added to the FLIPR device, and the polypeptide of the present invention is administered alone, as in the case of Fura-2 AM.
- a compound that suppresses the increase in fluorescence intensity by the polypeptide of the present invention can be selected as a candidate substance capable of changing the binding property of the protein of the present invention and the polypeptide of the present invention.
- agonists can be screened by observing an increase in fluorescence intensity due to the addition of test compound alone.
- the protein-expressing cell of the present invention is co-expressed with a protein gene such as aequorin that emits light when the intracellular Ca ion increases, and aequorin becomes Ca-binding by increasing the intracellular Ca ion concentration. This is observed by adding the polypeptide of the present invention or the polypeptide of the present invention and a test compound, and by adding the test compound as compared to when the polypeptide of the present invention is administered alone. By measuring the change in luminescence intensity, it is possible to screen for compounds that affect the binding between the polypeptide of the present invention and the protein of the present invention. The method is the same as above except that no fluorescent material is incorporated.
- test compound having an inositol triphosphate production activity of, for example, 50% or less can be selected as a candidate substance capable of changing the binding property between the protein of the present invention and the polypeptide of the present invention.
- agonist screening can be performed by observing the increase in inositol triphosphate production by adding only the test compound.
- a DNA containing TRE (TPA response element) is added to a Pitsukagene basic vector or a Pitsukagene enhancer vector (Toyo Ink
- the TRE-reporter gene-introduced protein-expressing cells of the present invention are seeded in a 24-well plate at 5 ⁇ 10 3 cells / well and cultured for 48 hours. After washing the cells with Hank's buffer (pH 7.4) containing 0.05% BSA and 20 mM HEPES, add 10 nM of the polypeptide of the present invention or 10 nM of the polypeptide of the present invention and the test compound.
- Luminescence by luciferase is measured with a luminometer, liquid scintillation counter or top counter.
- the effect of the compound that changes the binding between the polypeptide of the present invention and the protein of the present invention can be measured by comparing the amount of luminescence by luciferase with that when the polypeptide of the present invention is administered alone. it can.
- the administration of the polypeptide of the present invention increases the amount of emitted light due to the increase of intracellular Ca 2+ , but a compound that suppresses this increase changes the binding property between the protein of the present invention and the polypeptide of the present invention. It can be selected as a potential candidate substance.
- an agonist can be screened by administering only the test compound and observing an increase in the amount of luminescence similar to that of the polypeptide of the present invention.
- alkaline phosphatase for example, alkaline phosphatase, chloramphenicol facyltransferase or 3-galactosidase can be used as the reporter gene.
- the enzyme activity of the gene products of these reporter genes can be easily measured using a commercially available measurement kit as follows.
- Alkaline phosphatase activity is measured by, for example, Lumi-Phos 530 manufactured by Wako Pure Chemical Industries, Ltd.
- Tosidase activity can be measured by, for example, Aurora Gal-XE manufactured by Wako Pure Chemical Industries.
- MAP kinase activity is obtained by adding a polypeptide of the present invention or a polypeptide of the present invention and a test compound to cells, and then obtaining a MAP kinase fraction from a cell lysate by immunoprecipitation using an anti-MAP kinase antibody.
- MAP Kinase Assay Kit manufactured by Wako Pure Chemical Industries and ⁇ -[ 32 P]-ATP.
- Thymidine uptake activity was determined by seeding the protein-expressing cells of the present invention, adding the polypeptide of the present invention or the polypeptide of the present invention and a test compound, adding [methyl-3 ⁇ 4] -thymidine, and then taking it into the cells. The radioactivity of the labeled thymidine can be measured by lysing the cells and counting with a liquid scintillation counter.
- Proliferation of the protein-expressing cell of the present invention can be achieved by seeding the expressing cell and adding the polypeptide of the present invention or the polypeptide of the present invention and the test compound, followed by MTT (3- (4, 5-dimethyl- 2-thiazolyl) -2,5-diphenyl-2H-tetrazolium bromide) was added, and the cells were lysed with isopropanol that had been converted into MTT formazan, which had been incorporated into the cells and changed MTT. It can also be measured by measuring absorption.
- MTT 4- (4, 5-dimethyl- 2-thiazolyl) -2,5-diphenyl-2H-tetrazolium bromide
- the protein-expressing cells of the present invention are seeded in a 24-well plate and cultured for 500 days per well. The cells are then starved for 2 days in serum-free medium. After adding the polypeptide of the present invention or the polypeptide of the present invention and a test compound to the cells and culturing for 24 hours, [methyl-3 ⁇ 4] -thymidine was added at 0.015 MB per well for 6 hours. Incubate. Wash the cells with PBS (—), add methanol, and let stand for 10 minutes. Next, add 5% trichlorodiacetic acid and let stand for 15 minutes. Wash the fixed cells 4 times with distilled water.
- the effect of a compound that alters the binding between the polypeptide of the present invention and the protein of the present invention is measured by comparing the increase in radioactivity due to thymidine incorporation with the administration of the polypeptide of the present invention alone. be able to.
- the polybeptide of the present invention A compound that suppresses the increase in radioactivity due to administration of a peptide can be selected as a candidate substance capable of changing the binding property between the protein of the present invention and the polypeptide of the present invention.
- an agonist can be screened by administering only the test compound and observing an increase in radioactivity similar to that of the polypeptide of the present invention.
- a compound that suppresses the increase in radioactivity due to administration of the polypeptide of the present invention can be selected as a candidate substance capable of changing the binding property between the protein of the present invention and the polypeptide of the present invention.
- an agonist can be screened by administering only the test compound and observing the increase in radioactivity similar to that of the polypeptide of the present invention.
- the protein-expressing cells of the present invention are cultured overnight in a capsule for a site sensor device, set in the chamber of the device, and 0.1% BSA is added for about 2 hours until the extracellular pH is stabilized.
- Containing RPMI 1640 medium Perfuse ⁇ manufactured by Molecular Devices. After pH is stabilized, the medium of the present invention or the medium containing the polypeptide of the present invention and a test compound is perfused onto the cells. measuring the [rho Eta change in connexion resulting medium.
- Poribe peptide of the present invention the extracellular [rho Eta changes in protein expression cells of the invention
- a compound that suppresses the extracellular pH change caused by administration of the polypeptide of the present invention is compared with the protein of the present invention and the polypeptide of the present invention. It can be selected as a scavenger capable of changing the binding property to the peptide, whereas only the test compound is administered and the extracellular pH change similar to that of the polypeptide of the present invention is observed. It is also possible to perform the screening Jung Agonisuto by Judging.
- the sex pheromone receptor STe2 of Saccharomyces cerevi s iae (D haploid a -mating Type (MAT .a)) is coupled to G protein Gpal and responds to the sex phlomon a-mating factor Then, MAP kinase is activated, and Farl (cel l-cycle arrest) and transcriptional activator Ste l2 are activated, which induces the expression of various proteins including FUS1 involved in conjugation.
- the regulator Sst2 functions in a suppressive manner in the above process
- a yeast into which a gene encoding the protein of the present invention has been introduced is prepared, and a signal in the yeast cell is stimulated by an agonist to the protein of the present invention.
- an indicator such as proliferation resulting from activation of the transmission system (Pausch, MH, Trends in Biotechnology, vol. 15, pp. 487-494 (1997)) Screening of polypeptide and protein compounds that alter the binding of the present invention the protein using yeast system the transfer of a gene coding for the present invention of the invention. Can be performed.
- the genes encoding Ste2 and Gpal of ⁇ yeast are removed, and the gene encoding the protein of the present invention and the gene encoding the Gpal-Gai2 fusion protein are introduced instead.
- the gene encoding Far is removed so that cel-cycle arrest does not occur, and the sensitivity of the response to the polypeptide of the present invention is improved by removing the gene encoding Sst.
- the FUS 1-HIS3 gene in which the histidine biosynthesis gene HIS3 is linked to FUS 1, is introduced. Examples of the above gene recombination procedures include Price et al. (Price, LA et al., Molecular and Cellular Biology, vol. 15, pp.
- the transformed yeast thus constructed reacts with high sensitivity to the polypeptide of the present invention, which is a ligand of the protein of the present invention, and as a result, activation of AP kinase occurs and histidine biosynthetic enzyme is synthesized. It becomes possible to grow on histidine deficient medium. By utilizing this, the response of the protein-expressing yeast of the present invention by the polypeptide of the present invention can be observed using the growth of yeast in a histidine-deficient medium as an index.
- the transformed yeast prepared as described above is cultured overnight in a liquid medium of a completely synthetic medium, added to a dissolved agar medium from which histidine has been removed at a concentration of 2 ⁇ 10 4 cells / ml, and a 9 ⁇ 9 cm square Sowing in a petri dish.
- a sterile filter paper impregnated with the polypeptide of the present invention or the polypeptide of the present invention and the test compound is placed on the surface of the agar and cultured at 30 ° C. for 3 days.
- the effect of the compound that changes the binding between the polypeptide of the present invention and the protein of the present invention can be measured by comparing the growth of the yeast around the filter paper with the case where the polypeptide of the present invention is administered alone. it can.
- a compound that suppresses the growth of yeast by administration of the polypeptide of the present invention can be selected as a candidate substance capable of changing the binding property between the protein of the present invention and the polypeptide of the present invention.
- an agonist can be screened by administering only the test compound and observing the growth of yeast similar to the polypeptide of the present invention.
- the oocyte mass removed from the female Xenopus laevis that became unable to move due to water cooling was obtained from the MBS solution (88 mM NaCl, lmM KC1, 0.41 mM CaCl 2 , 0. 33raM Ca (N0 3 ) 2 , 0. 82 mM MgS0 Collagenase dissolved in 4 , 2.4M NaHC0 3 , lOmM HEPES, pH 7.4)
- microRNAs 50 ng / 50 nl
- the mRNA encoding the protein of the present invention may be prepared from tissues or cells, or may be transcribed in vitro from a plasmid. Incubate this in MBS solution at 20 ° C for 3 days.
- a Ringer solution containing the polypeptide of the present invention or the polypeptide of the present invention and a test compound is flowed to record the potential change.
- the effect of the compound that changes the binding between the polypeptide of the present invention and the protein of the present invention is that the change in cell membrane potential of Xenopus laevis oocytes into which the gene encoding the protein of the present invention has been introduced. It can be measured by comparing with the case where it is administered alone.
- a compound that suppresses changes in cell membrane potential due to administration of the polypeptide of the present invention can be selected as a candidate substance capable of changing the binding property of the protein of the present invention and the polypeptide of the present invention.
- screening of an agonist can be performed by administering only the test compound and observing the change in cell membrane potential similar to that of the polypeptide of the present invention.
- poly (A) + RNA of various G protein genes can be introduced so that the reaction can be easily measured by increasing the amount of change. It is also possible to measure this reaction by co-injecting poly (A) + RA, a protein gene that produces luminescence in the presence of Ca 2+ , such as aequorin, by observing luminescence rather than changes in membrane potential. it can.
- the salt screening kit contains the protein of the present invention, a cell containing the protein of the present invention, or a membrane fraction of a cell containing the protein of the present invention, and the polypeptide of the present invention. is there.
- Examples of the screening kit of the present invention include the following.
- CH cells expressing the protein of the present invention were subcultured in 12-well plates with 5 ⁇ 10 5 Z-wells and cultured at 37 ° C., 5% CO 2 and 95% air for 2 days.
- polypeptide of the present invention labeled with [ 3 H], [ 125 I], [ 14 C], [ 35 Sr or the like.
- the polypeptide of the present invention is dissolved in ImS with PBS containing 0.1% urine serum albumin (manufactured by Sigma) and stored at 120 ° C.
- the compound obtained by using the screening method or screening kit of the present invention or a salt thereof is a compound that changes (inhibits or promotes binding) the binding between the polypeptide of the present invention and the protein of the present invention.
- a compound having a cell stimulating activity via the protein of the present invention (so-called antagonist) or a compound not having the stimulating activity (so-called antagonist).
- antagonist a compound having a cell stimulating activity via the protein of the present invention
- antagonist a compound not having the stimulating activity
- Examples of the compound include peptides, proteins, non-peptidic compounds, synthetic compounds, fermentation products, and the like. These compounds may be novel compounds or known compounds.
- a specific method for evaluating whether the protein is an agonist or antagonist of the protein of the present invention may be according to the following (i) or (ii).
- a compound having a cell stimulating activity or a salt thereof is an agonist, and a compound having no such activity or a salt thereof is an antagonist.
- test compound is brought into contact with a cell containing the protein of the present invention, and the cell stimulating activity via the protein of the present invention is measured.
- a compound having a cell stimulating activity or a salt thereof is an agonist.
- a compound that activates the protein of the present invention for example, the polypeptide of the present invention or an agonist for the protein of the present invention
- a cell containing the protein of the present invention When the compound that activates and the test compound are brought into contact with the cell containing the protein of the present invention, the protein mediated by the protein of the present invention is used. Measure and compare blast stimulating activity.
- the compound or its salt that can reduce the cell stimulating activity of the protein ⁇ -activating compound of the present invention is an antagonist.
- the agonist has the same action as the physiological activity of the polypeptide of the present invention on the protein of the present invention, it is useful as a safe and low-toxic drug like the polypeptide of the present invention.
- an antagonist can suppress the physiological activity of the polypeptide of the present invention against the protein of the present invention, and thus is useful as a safe and low-toxic pharmaceutical that suppresses the receptor activity.
- Polypeptide A1 of the present invention has, for example, gastrointestinal contraction action, smooth muscle contraction action, blood pressure increase action, feeding suppression action, prolactin secretion lowering action, etc., and the phase advance and delay in circadian rhythm Related. Therefore, the polypeptide A1 of the present invention, the polynucleotide encoding the polypeptide A1 of the present invention, and the compound or salt thereof that promotes the activity of the polypeptide A1 of the present invention are low toxic and safe.
- Low blood pressure obesity (eg, malignant mastocytosis, exogenous obesity, hyperinsulinism, hyperplasmic obesity, pituitary obesity, hypoplasmic obesity, hypothyroid obesity, hypothalamus sexual obesity, symptomatic obesity, childhood obesity, upper body obesity, dietary obesity, hyposexual obesity, systemic mastocytosis, simple obesity, central obesity, etc.), hyperphagia, sleep disorders (example) , Primary insomnia, circadian rhythm disorders (eg, physical condition change due to three shifts, time zone change syndrome, etc.)], lethargy, infertility, seasonal depression, reproductive dysfunction, endocrine disorders Senile dementia Alzheimer's disease, aging-related disorders, cerebral circulation disorder (eg, stroke, etc.), head injury, spinal cord injury, epilepsy, anxiety, depression, manic depression, schizophrenia, alcoholism, Parkinson's disease, arteriosclerosis, arrhythmia Premenstrual tension syndrome, glaucoma, cancer, AIDS, diabetes, etc.
- obesity eg, malignant mastocyto
- the antibody against the polypeptide A1 of the present invention, and the compound or salt thereof that inhibits the activity of the polypeptide A ⁇ of the present invention are low toxic and safe, for example, hypertension, anorexia, climacteric disorder, insomnia It is useful as a prophylactic / therapeutic agent for hypertension, anorexia, menopause, insomnia, etc., such as immune / inflammatory diseases (eg, rheumatoid arthritis, osteoarthritis).
- immune / inflammatory diseases eg, rheumatoid arthritis, osteoarthritis.
- the polypeptide A2 of the present invention has a prolactin content, an action, etc.
- the polypeptide A2 of the present invention, the polynucleotide encoding the polypeptide A2 of the present invention, and the polypeptide of the present invention Compounds that promote the activity of peptide A 2 or their salts are low toxic and safe, such as prolactin secretion deficiency (eg, ovarian hypofunction, seminal vesicle development, climacteric disorder, etc.), hyperthyroidism, etc.
- prolactin secretion deficiency eg, ovarian hypofunction, seminal vesicle development, climacteric disorder, etc.
- hyperthyroidism e.g, it is useful as a preventive / therapeutic agent for menopause and hyperthyroidism.
- the antibody against the polypeptide A2 of the present invention and the compound or salt thereof that inhibits the activity of the polypeptide A2 of the present invention are low toxic and safe, for example, pituitary gland tumors, diencephalon tumors, menstruation Abnormal, autoimmune disease, prolactinoma, infertility, impotence, amenorrhea, milk leakage, acromegaly, Chiari-Flommel syndrome, Argon-der-Casti syndrome, Forbes-Albright syndrome, lymphoma, sheehan syndrome It is useful as a prophylactic / therapeutic agent (preferably a prolactin production inhibitor) such as spermatogenesis abnormality, thyroid dysfunction, preferably infertility, thyroid dysfunction.
- spermatogenesis abnormality spermatogenesis abnormality
- thyroid dysfunction preferably infertility, thyroid dysfunction.
- the polypeptide B of the present invention has a prolactin secretion action and the like, it promotes the activity of the polypeptide B of the present invention, the polynucleotide encoding the polypeptide B of the present invention, and the polypeptide B of the present invention.
- the compound or salt thereof is low toxic and safe, for example, prolactin secretion failure (eg, ovarian hypofunction, seminal vesicle development failure, climacteric disorder, etc.), hyperthyroidism, etc., preferably menopausal disorder, hyperthyroidism It is useful as a preventive / therapeutic agent for diseases.
- An antibody against the polypeptide B of the present invention, and a compound or a salt thereof that inhibits the activity of the polypeptide B of the present invention are low toxic and safe, for example, pituitary gland tumor, mesencephalic tumor, menstrual abnormality, autoimmune disease, Prolactinoma, infertility, impotence, amenorrhea, milk leakage, acromegaly, Chiari 'Flommel syndrome, Argon' del 'Casti syndrome, Forbes-Albright syndrome, lymphoma, Schihan's syndrome, spermatogenesis disorder It is useful as a prophylactic / therapeutic agent (preferably a prolactin production inhibitor) such as thyroid dysfunction, preferably infertility, thyroid dysfunction.
- a prophylactic / therapeutic agent preferably a prolactin production inhibitor
- the protein agonist of the present invention includes, for example, a prophylactic / therapeutic agent for hypotension; a local vasoconstrictor; a uterine contraction accelerator; a weak labor pain; Induction of labor, cessation of delivery, cervical incompetence, uterine varus (symptoms), remnant placenta and remnant ovum, postpartum hemorrhage, female genital prolapse, infertility, maternal care in multiple pregnancies, abnormal position, menstruation Dysfunction, miscarriage, endometriosis, chronic uterine inflammatory disease, child It can be used as an agent for the improvement, prevention or treatment of various diseases related to dysconstriction such as Miyamyoma, uterine malformation, uterine adenomyosis, cervical laceration, post-injury stress syndrome.
- various diseases related to dysconstriction such as Miyamyoma, uterine malformation, uterine adenomyosis, cervical laceration
- Antagonists of the protein of the present invention include, for example, hypertension, myocardial infarction, acute renal failure, stress-related diseases [eg, (1) cardiovascular diseases (eg, angina, myocardial infarction, arrhythmia, etc.), (2) Respiratory diseases (eg, bronchial asthma, hyperventilation syndrome, etc.), (3) Musculoskeletal diseases (eg, rheumatoid arthritis, low back pain, migraine, tension headache), (4) Sugar Urine disease, climacteric disorder, hyperthyroidism, chronic pain, decreased immunity, digestive disorders
- stress-related diseases eg, (1) cardiovascular diseases (eg, angina, myocardial infarction, arrhythmia, etc.), (2) Respiratory diseases (eg, bronchial asthma, hyperventilation syndrome, etc.), (3) Musculoskeletal diseases (eg, rheumatoid arthritis, low back pain, migraine, tension headache), (4) Sugar Urine disease, climacteric disorder, hyperthyroidism,
- Uterine contraction suppressant Uterine contraction suppressant; excessive labor pain, pseudo labor pain, prolonged pregnancy, tonic uterine contraction, fetal distress, eclampsia rupture, cervical laceration, premature birth Uterine fibroids, uterine malformations, uterine adenomyosis, birth output abnormalities, chronic uterine inflammatory diseases, maternal care in multiple pregnancy, placental abnormalities, Prader-Willi syndrome, dysmenorrhea, etc. It is useful as an improvement / prevention / treatment agent.
- salts of the polypeptide of the present invention examples include, for example, pharmaceutically acceptable Possible salts and the like are used.
- a salt with an inorganic base a salt with an organic base, a salt with an inorganic acid, a salt with an organic acid, a salt with a basic or acidic amino acid, and the like.
- the salt with an inorganic base include alkali metal salts such as sodium salt and strong salt, alkaline earth metal salts such as calcium salt and magnesium salt, aluminum salt and ammonium salt. .
- the salt with an organic base include, for example, trimethylamine, triethylamine, pyridine, picoline, 2,6-lutidine, ethanolamine, diethanolamine, triethanolamine, cyclohexylamine, dicyclohexylamine. , N, N'—diben ⁇ / ethylenediamine, etc.
- salt with inorganic acid examples include salts with hydrochloric acid, hydrobromic acid, sulfuric acid, phosphoric acid and the like.
- salts with organic acids include formic acid, acetic acid, propionic acid, fumaric acid, oxalic acid, tartaric acid, maleic acid, succinic acid, succinic acid, malic acid, methanesulfonic acid, benzenesulfonic acid, benzoic acid And salt.
- salts with basic amino acids include salts with arginine, lysine, ortinine, and preferable examples of acidic amino acids include Examples include salts with paraformic acid and glutamic acid.
- polypeptide of the present invention when used as the above-mentioned pharmaceutical, it can be carried out according to a conventional procedure. For example, tablets, capsules, elixirs, microcapsules or the like as required, with sugar coating or enteric coating as required, or aseptic solutions with water or other pharmaceutically acceptable liquids, Alternatively, it can be used parenterally in the form of an injection such as a suspension.
- the compound or salt thereof is mixed in physiologically recognized carriers, flavoring agents, excipients, vehicles, preservatives, stabilizers, binders, etc. in a unit dosage form generally required for recognized pharmaceutical practice. Can be manufactured.
- the amount of active ingredient in these preparations is such that an appropriate dose within the indicated range can be obtained.
- Additives that can be mixed into tablets, force psenoles, etc. include binders such as gelatin, corn starch, tragacanth gum, gum arabic, excipients such as crystalline senorelose, corn starch, gelatin, alginic acid, etc.
- binders such as gelatin, corn starch, tragacanth gum, gum arabic, excipients such as crystalline senorelose, corn starch, gelatin, alginic acid, etc.
- a leavening agent such as magnesium stearate, a sweetening agent such as sucrose, lactose or saccharin, a flavoring agent such as peppermint, cocoa oil, or chili is used.
- the material of the above type can further contain a liquid carrier such as fats and oils.
- Sterile compositions for injection can be formulated according to normal pharmaceutical practice, such as dissolving or suspending active substances in vehicles such as water for injection, naturally produced vegetable oils such as sesame oil,
- aqueous solutions for injection include physiological saline, isotonic solutions containing glucose and other adjuvants (for example, D-sorbitol, D-mannitol, sodium chloride, etc.). It may be used in combination with an agent such as an alcohol (eg ethanol), a polyalcohol (eg propylene glycol, polyethylene glycol), a nonionic surfactant (eg polysorbate 80 TM , HCO-50).
- alcohol eg ethanol
- a polyalcohol eg propylene glycol, polyethylene glycol
- a nonionic surfactant eg polysorbate 80 TM , HCO-50.
- oily liquids include sesame oil and soybean oil, which may be used in combination with benzyl benzoate or benzyl alcohol as a solubilizing aid.
- Buffers eg phosphate buffer, sodium acetate buffer
- soothing agents E.g., salted benzalkonium, hydrochloric acid hydrochloride, etc.
- stabilizers e.g., human serum albumin, polyethylene glycol, etc.
- preservatives e.g., benzyl alcohol, phenol, etc.
- antioxidants etc. You may mix
- the prepared injection is usually filled into a suitable ampoule.
- the preparations thus obtained are safe and have low toxicity.
- warm-blooded animals eg, humans, guinea pigs, rats, mice, pigs, hidges, sushi, monkeys, dogs, chickens. Can be administered.
- the dose of the compound or its salt that promotes the activity of the polypeptide A 1 of the present invention varies depending on the symptoms, but in the case of oral administration, generally, for example, a hypotension patient (weight 60 kg) In about 0.1 to about L: 000 mg per day, preferably about 1.0 to 300 mg, more preferably about 3.0 to 50 mg.
- a hypotension patient weight 60 kg
- the single dose varies depending on the subject of administration, symptom, administration method, etc.
- patients with hypotension body weight
- 60 mg about 0.01 to 30 mg per day, preferably about 0.1 to 2 Omg, more preferably about 0.1 to 10 mg is administered intravenously. Is convenient. In the case of other animals, an amount converted per 60 kg can be administered.
- the dose of the compound or salt thereof that promotes the activity of the polypeptide A 2 of the present invention varies depending on the symptoms, but in the case of oral administration, for example, generally a patient with climacteric disorder (weight 60 kg) In the case of-about 1.0 to 1000 mg, preferably about 1.0 to 300 mg, more preferably about 3.0 to 5 Omg.
- the single dose varies depending on the subject of administration, symptoms, administration method, etc.
- an amount converted per 6 O kg can be administered.
- the dose of the compound or its salt that promotes the activity of the polypeptide B of the present invention varies depending on the symptom and the like. Is about 0.1 to 1000 mg per day, preferably about 1.0 to 300 mg, more preferably about 3.0 to 5 Omg.
- the single dose varies depending on the subject of administration, symptoms, administration method, etc.
- it is generally As for administration it is convenient to administer about 0.01-30 mg, preferably about 0.1-2 Omg, more preferably about 0.1-10 mg per day by intravenous injection. is there. In the case of other animals, an amount converted per 60 kg can be administered.
- the dose of the compound that inhibits the activity of the polypeptide A 1 of the present invention or a salt thereof varies depending on symptoms, but in the case of oral administration, for example, generally in hypertensive patients (with a body weight of 60 kg). Is about 0.:! To 1000 mg per day, preferably about 1.0 to 30 Omg, more preferably about 3.0 to 50 mg.
- the single dose varies depending on the subject of administration, symptoms, administration method, etc.
- it is generally (as kg), about 0.01 to 30 mg per day, preferably about 0.1 to 2 Omg, more preferably about 0.1 to: L Omg is administered by intravenous injection. Is convenient. In the case of other animals, an amount converted per 60 kg can be administered.
- the dose of the compound that inhibits the activity of the polypeptide A 2 of the present invention or a salt thereof varies depending on the symptoms, but in the case of oral administration, for example, generally in infertile patients (with a body weight of 60 kg). Is about 0.1-100 Omg per day, preferably about 1.0-300 mg, more preferably about 3.0-5 Omg.
- the single dose varies depending on the subject of administration, symptoms, administration method, etc.
- the form of injections generally, for example, to infertile patients (with a body weight of 60 kg)
- the amount converted per 60 kg can be administered.
- the dose of the compound or its salt that inhibits the activity of the polypeptide B of the present invention varies depending on the symptom and the like. Is about 0.1 to 1000 mg, preferably about 1.0 to 300 mg, more preferably about 3.0 to 5 Omg per day.
- the single dose varies depending on the administration subject, symptoms, administration method, etc., but in the form of an injection, for example, in general, for example, infertile patients (body weight 6 O k g)) about 0.1 to 3 Omg, preferably about 0.1 to 2 Omg, more preferably about 0.1 to 1 Omg per day is conveniently administered by intravenous injection. is there. In the case of other animals, the amount converted per 60 kg can be administered.
- the dose of the compound (especially antagonist) or a salt thereof obtained using the screening method or screening kit of the present invention varies depending on the symptoms, but in the case of oral administration, it is generally an adult hypertensive patient ( (With a body weight of 60 kg), about 0.1 to: L 00 Omg, preferably about 1.0 to 300 mg, more preferably about 3.0 to 5 Omg per day.
- L 00 Omg an adult hypertensive patient
- the single dose varies depending on the subject of administration, symptoms, administration method, etc.
- it is not suitable for administration to adult patients with hypertension (weight 60 kg).
- an amount converted per 60 kg can be administered.
- the pharmaceutical containing the polypeptide of the present invention the pharmaceutical containing the polynucleotide encoding the polypeptide of the present invention, and the pharmaceutical containing the antibody against the polypeptide of the present invention will be described more specifically.
- Polypeptide A1 of the present invention has, for example, gastrointestinal contraction action, smooth muscle contraction action, blood pressure increase action, feeding suppression action, prolactin secretion lowering action, etc., and the phase advance and delay in circadian rhythm Related. Therefore, the polypeptide A1 of the present invention is low toxic and safe, such as hypotension, obesity (eg, malignant mastocytosis, exogenous obesity, hyperinsulin obesity, hyperplasmic obesity, pituitary obesity, Hypoplasmic obesity, hypothyroid obesity, hypothalamic obesity, symptomatic obesity, childhood obesity, upper body obesity, dietary obesity, hyposexual obesity, systemic mastocytosis, simple obesity, central It is useful as a preventive / therapeutic agent for drowsiness, time zone change syndrome, infertility, etc.
- hypotension obesity
- obesity eg, malignant mastocytosis, exogenous obesity, hyperinsulin obesity, hyperplasmic obesity, pituitary obesity, Hypoplasmic obesity, hypothyroid obesity, hypothalamic obesity, symptom
- the polypeptide A 2 of the present invention Since the polypeptide A 2 of the present invention has a prolactin secretion action, the polypeptide A 2 of the present invention is a low-toxic and safe agent for preventing and treating menopause, hyperthyroidism, etc. Useful. Since the polypeptide B of the present invention is for prolactin secretion and the like, the polypeptide B of the present invention is low toxic and safe, for example, as a preventive / therapeutic agent for menopause, hyperthyroidism, etc. Useful.
- Examples of the salt of the polypeptide of the present invention include those described above, and those described above are preferred.
- polypeptide of the present invention When used as the above-mentioned prophylactic / therapeutic agent, it is purified to at least 90%, preferably 95% or more, more preferably 98% or more, more preferably 99% or more. It is preferable to use the same.
- polypeptide of the present invention when used as the above-mentioned pharmaceutical (such as a prophylactic / therapeutic agent), it can be formulated according to a known method such as the above-described method.
- the polypeptide of the present invention can be used, for example, orally as a tablet, capsule, elixir, microcapsule, etc. with sugar coating as necessary, or with water or other pharmaceutically acceptable liquid. It can be used parenterally in the form of an injectable solution such as a sterile solution or suspension.
- the polypeptides of the present invention are mixed in physiologically recognized carriers, flavoring agents, excipients, vehicles, preservatives, stabilizers, binders, etc. in unit dosage forms generally required for the practice of recognized formulations. Can be manufactured according to The amount of active ingredient in these preparations is such that an appropriate dose within the indicated range can be obtained.
- Additives that can be mixed into tablets, capsenoles, etc. include, for example, binders such as gelatin, corn starch, tragacanth, gum arabic, excipients such as crystalline cellulose, corn starch, gelatin, alginic acid, etc.
- binders such as gelatin, corn starch, tragacanth, gum arabic
- excipients such as crystalline cellulose, corn starch, gelatin, alginic acid, etc.
- swelling agents such as magnesium stearate, lubricants such as magnesium stearate, sweeteners such as sucrose, lactose or saccharin, and flavoring agents such as peppermint, squid mono oil or tea tree are used.
- a liquid carrier such as fats and oils can be further contained in the material of the above type.
- Sterile compositions for injection can be formulated according to normal pharmaceutical practice, such as dissolving or suspending active substances in vehicles such as water for injection, naturally produced vegetable oils such as sesame oil
- aqueous solutions for injection include physiological saline, isotonic solutions containing glucose and other adjuvants (for example, D-sorbitol, D-mannitol, sodium chloride, etc.).
- Agents such as alcohol (eg ethano ), Polyalcohol (eg, propylene glycol, polyethylene glycol, etc.), nonionic surfactant (eg, polysorbate 80 ⁇ , ⁇ CO-50, etc.).
- the oily liquid include sesame oil and soybean oil, which may be used in combination with benzyl benzoate, benzyl alcohol and the like as a solubilizer.
- Buffers eg, phosphate buffer, sodium acetate buffer, etc.
- soothing agents eg, benzalkonium chloride, pro-hydrochlorin hydrochloride, etc.
- stabilizers eg, human serum albumin, polyethylene glycol) Etc.
- preservatives eg, benzyl alcohol, phenol, etc.
- antioxidants eg, antioxidants and the like.
- the prepared injection solution is usually filled in a suitable ampoule.
- mice e.g mice, rats, rabbits, hidges, pigs, sushi, horses, birds, cats, dogs, Monkeys, chimpanzees, etc.
- warm-blooded animals e.g mice, rats, rabbits, hidges, pigs, sushi, horses, birds, cats, dogs, Monkeys, chimpanzees, etc.
- the dose of the polypeptide A 1 of the present invention varies depending on symptoms, but in the case of oral administration, generally, for example, in patients with hypotension (with a body weight of 6 O kg): 0.1 to: L 00 Omg, preferably about 1.0 to 300 mg, more preferably about 3.0 to 5 Omg.
- the single dose varies depending on the subject of administration, symptoms, administration method, etc.
- in the form of injections generally, for example, patients with hypotension (body weight 60 kg As for administration, it is convenient to administer about 0.01 to 3 Omg, preferably about 0.1 to 20 mg, more preferably about 0.1 to 1 Omg per day by intravenous injection. is there. In the case of other animals, an amount converted per 60 kg can be administered.
- the dose of the polypeptide A2 of the present invention varies depending on symptoms, but in the case of oral administration, generally, for example, in a climacteric disorder patient (weight 60 kg), about 0. 1 to: L 000 mg, preferably about 1.0 to 300 mg, more preferably about 3.0 to 5 Omg.
- the single dose varies depending on the subject of administration, symptoms, administration method, etc.
- menopausal patients generally, for example, menopausal patients (weight 60 kg)
- about 0.01 to 30 mg, preferably about 0.1 to 20 mg, more preferably about 0.1 to 1 Omg per day is administered intravenously.
- an amount converted per 60 kg can be administered.
- the dose of the polypeptide B of the present invention varies depending on symptoms, but is orally administered.
- about 0.1 to a day: LOO Omg preferably about 1.0 to 300 mg, more preferably about 3 0 to 50 mg.
- the single dose varies depending on the subject of administration, symptoms, administration method, etc.
- menopausal patients weight 60 kg
- the dose converted per 60 kg can be administered.
- Polypeptide A1 of the present invention includes, for example, gastrointestinal contraction action, smooth muscle contraction action, blood pressure increase action, feeding suppression action, It has a prolactin secretion lowering effect and is related to phase advance and delay in circadian rhythm. Therefore, the polynucleotide encoding the polypeptide A1 of the present invention is useful as a prophylactic / therapeutic agent for low toxicity and safety, such as hypotension, obesity, lethargy, time-zone change syndrome, infertility and the like.
- the polynucleotide encoding the polypeptide A 2 of the present invention is low in toxicity and safe, for example, climacteric disorder, hyperthyroidism It is useful as a preventive / therapeutic agent. Since the polypeptide B of the present invention has a prolactin secretion action and the like, the polynucleotide encoding the polypeptide B of the present invention is low in toxicity and safe, such as climacteric disorder and hyperthyroidism. Useful as a preventive / therapeutic agent.
- the polynucleotide of the present invention can be used, for example, when there is a patient in which the polypeptide of the present invention is reduced or deficient in vivo, (i) the polynucleotide of the present invention is administered to the patient, and the Or (ii) by inserting the polynucleotide of the present invention into a cell and expressing the polypeptide of the present invention, and then transplanting the cell into a patient, etc.
- the polynucleotide of the present invention as the above-mentioned preventive / therapeutic agent capable of fully or normally exerting the role of the polypeptide of the present invention, it is formulated and administered according to a known method such as the above-described method. be able to.
- the polynucleotide may be used alone or as a retroviral vector, adeno After being inserted into an appropriate vector such as a viral vector or adenovirus associated virus vector, it can be administered to humans or warm-blooded animals according to conventional means.
- the polynucleotide of the present invention can be formulated as it is or with a physiologically recognized carrier such as an adjuvant for promoting intake, and can be administered by a gene gun or a catheter such as a hard mouth gel catheter.
- a vector into which the polynucleotide (eg, DNA) of the present invention has been inserted can be formulated in the same manner as the above-described polypeptide of the present invention, and is usually used parenterally.
- the preparations obtained in this way are safe and have low toxicity. , Cats, dogs, monkeys, etc.).
- the dose of the polynucleotide containing the polynucleotide encoding the polypeptide A 1 of the present invention varies depending on the symptoms, but generally, for example, in patients with hypotension (with a body weight of 6 O kg) About 0.1 to 100 mg per day.
- the dose of the polynucleotide containing the polynucleotide encoding the polypeptide A2 of the present invention varies depending on symptoms, but generally, for example, in a climacteric disorder patient (weight 60 kg), About 0.1 to 100 mg per day.
- the dosage of the polynucleotide containing the polynucleotide encoding the polypeptide B of the present invention varies depending on symptoms, but generally, for example, in a climacteric disorder patient (weight 60 kg), Per 0.1 to 100 mg.
- Polypeptide A1 of the present invention has, for example, gastrointestinal contraction action, smooth muscle contraction action, blood pressure increase action, feeding suppression action, prolactin secretion lowering action, etc., and the phase advance in circadian rhythm Related to delay. Therefore, the antibody against the polypeptide A1 of the present invention is useful as a preventive / therapeutic agent for low toxicity and safe, for example, hypertension, anorexia, climacteric disorder and insomnia.
- the antibody against the polypeptide A 2 of the present invention is low in toxicity and safe, for example, infertility, It is useful as a prophylactic / therapeutic agent for thyroid dysfunction.
- the antibody against the polypeptide B of the present invention is low in toxicity and safe, for example, prevention / treatment of infertility, thyroid dysfunction, etc. Useful as an agent.
- the antibody of the present invention eg, neutralizing antibody
- the antibody molecule itself may be used, and the antibody molecule F (ab ′) 2 , F ab 'Or the Fab fraction may be used.
- the prophylactic / therapeutic agent for the above-mentioned diseases containing the antibody of the present invention has a low toxicity, and it can be used as it is as a solution or as a pharmaceutical composition of an appropriate dosage form in humans or mammals (eg, rats, It can be administered orally or parenterally (eg, intravascular administration, subcutaneous administration, etc.) to Usagi, Hedge, Pig, Usushi, Cat, Inu, Monkey, etc. Preferably, it can be administered as a vaccine according to a conventional method.
- the antibody of the present invention may be administered per se or as an appropriate pharmaceutical composition.
- the pharmaceutical composition can be prepared according to a known method such as the method described above.
- the pharmaceutical composition used for administration may contain the antibody of the present invention or a salt thereof and a pharmacologically acceptable carrier, diluent or excipient.
- Such a pharmaceutical composition is provided as a dosage form suitable for oral or parenteral administration.
- compositions for oral administration include solid or liquid dosage forms, specifically tablets (including dragees and film-coated tablets), pills, granules, powders, capsules (including soft capsules), syrups Agents, emulsions, suspensions, etc.
- Such a composition is produced by a known method and is usually used in the field of pharmaceutical preparations. It may contain a carrier, a diluent or an excipient. Examples of carriers and excipients for tablets include lactose, starch, sucrose, and magnesium stearate.
- a composition for parenteral administration for example, injections, suppositories, vaccines, etc.
- injections are intravenous injections, subcutaneous injections, intradermal injections, intramuscular injections, infusions, etc. These dosage forms may be included.
- Such injections can be prepared according to known methods.
- Such an injection can be prepared according to a known method, for example, by dissolving, suspending or emulsifying the antibody of the present invention or a salt thereof in a sterile aqueous liquid or oily liquid usually used for injection.
- aqueous liquid for injection for example, physiological saline, isotonic solution containing glucose and other adjuvants, etc. are used.
- alcohol eg, ethanol
- polyalcohol eg, propylene glycol, polyethylene glycol
- nonionic surfactant eg, polysorbate 80, HCO—50 (polyoxyethylene (o 0 mol)) adduct of hydrogenated castor oil )] Etc.
- oily liquid for example, sesame oil, soybean oil and the like are used, and benzyl benzoate, benzyl alcohol and the like may be used in combination as a solubilizing agent.
- the prepared injection solution is preferably filled into a suitable ampoule.
- a suppository used for rectal administration may be prepared by mixing the above-mentioned antibody or a salt thereof with a normal suppository base.
- parenteral or oral pharmaceutical compositions are conveniently prepared in dosage unit form to suit the dosage of the active ingredient.
- dosage form of such a dosage unit include tablets, pills, capsules, injections (ampoules), and suppositories.
- the content of the antibody is preferably about 5-50 Omg per dosage unit dosage form, especially about 5-100 mg for injections, and about 10-250 mg for other dosage forms. .
- the dose of the antibody against the polypeptide A1 of the present invention varies depending on the administration subject, target disease, symptom, administration route, etc.
- the present invention 1 to 20 mg / kg body weight, preferably about 0.1 to about L OmgZkg body weight, more preferably about 0.1 to 5 mgZkg body weight per day. It is convenient to administer by intravenous injection about once, preferably about 1 to 3 times a day. In the case of other parenteral administration and oral administration, an equivalent amount can be administered. If symptoms are particularly severe, the dose may be increased according to the symptoms.
- the dose of the antibody against the polypeptide A2 of the present invention varies depending on the administration subject, target disease, symptom, administration route, etc., for example, when used for treatment of infertile patients
- One dose of the antibody of the present invention is usually about 0.01 to 20 mg kg body weight, preferably about 0.1 to 1 OmgZkg body weight, more preferably about 0.1 to 5 mg / kg body weight per day. It is convenient to administer by intravenous injection about -5 times, preferably about 1-3 times a day. In the case of other parenteral administration and oral administration, an equivalent amount can be administered. If symptoms are particularly severe, the dose may be increased according to the symptoms.
- the dosage of the antibody against the polypeptide B of the present invention is as follows: Depending on the route of administration, etc., for example, when used for the treatment of incurable patients, the antibody of the present invention is usually administered at a dose of about 0.01 to 20 mg Z k body weight, preferably 0.1 to 1 O mg Z kg body weight, more preferably about 0.1 to 5 mg Z kg body weight, about 1 to 5 times a day, preferably about 1 to 3 times a day, by intravenous injection It is convenient to administer. In the case of other parenteral administration and oral administration, the equivalent dose can be administered. If symptoms are particularly severe, the dose may be increased according to the symptoms.
- polypeptide of the present invention can be quantified with good sensitivity by using the antibody of the present invention
- various antibodies related to the polypeptide of the present invention can be used with the antibody of the present invention. Diagnosis can be made.
- the polypeptide A1 of the present invention has, for example, gastrointestinal contraction action, smooth muscle contraction action, blood pressure increase action, feeding suppression action, prolactin secretion lowering action, etc. Since an increase in the concentration of the polypeptide A1 of the present invention is detected using the antibody of the present invention, for example, hypertension, anorexia, climacteric disorder, insomnia, immunity ⁇ It can be diagnosed as a disease such as inflammatory disease (eg, rheumatoid arthritis, deformed arthritis, etc.) or likely to be affected in the future.
- inflammatory disease eg., rheumatoid arthritis, deformed arthritis, etc.
- a decrease in the concentration of the polypeptide A 1 of the present invention is detected, for example, hypotension, obesity (eg, malignant mastocytosis, exogenous obesity, hyperinsulinic obesity, hyperplasma Obesity, pituitary obesity, hypotensive obesity, hypothyroidism obesity, hypothalamic obesity, symptomatic obesity, childhood obesity, upper body obesity, dietary obesity, hypogonadism obesity, systemic Mastocytosis, simple obesity, central obesity, etc.), hyperphagia, sleep disorders (eg, primary insomnia, circadian rhythm disorders (eg, physical condition modulation due to three shifts, time zone change syndrome, etc.) )), Lethargy, infertility, seasonal depression, reproductive dysfunction, endocrine disease, senile dementia, Alzheimer's disease, aging disorders associated with aging, cerebral circulation disorders (eg, stroke, etc.), Head injury, spinal cord injury, epilepsy , Anxiety, depression, manic depression, schizophrenia, alcoholism, Parkinson's
- the polypeptide A 2 of the present invention has a prolactin secretion action and the like
- an increase in the polypeptide A 2 concentration of the present invention is detected using the antibody of the present invention, for example, pituitary gland tumor, diencephalon tumor, menstrual abnormality, autoimmune disease, prolactinoma, infertility, impotence, amenorrhea ,
- the antibody of the present invention for example, pituitary gland tumor, diencephalon tumor, menstrual abnormality, autoimmune disease, prolactinoma, infertility, impotence, amenorrhea ,
- prolactin secretion failure eg, ovarian hypofunction, seminal vesicle development failure, climacteric disorder, etc.
- hyperthyroidism e.g., ovarian hypofunction, seminal vesicle development failure, climacteric disorder, etc.
- the polypeptide B of the present invention has a prolactin secretion action and the like, when an increase in the concentration of the polypeptide B of the present invention is detected using the antibody of the present invention, for example, the pituitary gland Tumor, Diencephalic tumor, Menstrual abnormalities, Autoimmune disease, Prolactinoma, Infertility, Impotence, Amenorrhea, Lactation, Acromegaly, Chiari Frommer syndrome, Argon der Casti mouth syndrome, Forbes Albright It can be diagnosed as a symptom group, lymphoma, Sheehan syndrome, spermatogenesis, thyroid dysfunction, or a disease that is likely to be affected in the future.
- the antibody of the present invention for example, the pituitary gland Tumor, Diencephalic tumor, Menstrual abnormalities, Autoimmune disease, Prolactinoma, Infertility, Impotence, Amenorrhea, Lactation, Acromegaly, Chiari Frommer syndrome, Argon der Casti mouth syndrome
- prolactin insufficiency eg, ovarian hypofunction, seminal vesicle development failure, climacteric disorder, etc.
- hyperthyroidism e.g., ovarian hypofunction, seminal vesicle development failure, climacteric disorder, etc.
- the polynucleotide (DNA) of the present invention can be used as, for example, a human warm-blooded animal (for example, rat, mouse, guinea pig, rabbit, trie, hidge, pig, ushi,
- a DNA or mRNA abnormality (gene abnormality) encoding the polypeptide of the present invention can be detected in, for example, DNA, mRNA, etc. It is useful as a genetic diagnostic agent for mutation or decreased expression, increased DNA or mRNA, or excessive expression.
- the above gene diagnosis using the DNA of the present invention is, for example, a known Northern hive. Rediscation and PCR—SSCP method (Genomics, 5th, 874-879 (1989), Proceedings of the National Academy of Sciences of the United States of America, 86th, 2766-2770 (1989)) Can be implemented.
- Polypeptide A1 of the present invention has, for example, gastrointestinal contraction action, smooth muscle contraction action, blood pressure increase action, feeding suppression action, prolactin secretion lowering action, etc., and the phase advance and delay in circadian rhythm
- overexpression of the polypeptide A 1 gene is detected, for example, hypertension, anorexia, climacteric disorder, insomnia, immunity, inflammatory disease (eg, rheumatoid arthritis, deformity)
- the disease can be diagnosed as having a high possibility of suffering from a disease such as osteoarthritis).
- a decrease in the expression of the polypeptide A1 gene of the present invention is detected, for example, hypotension, obesity (eg, malignant mastocytosis, exogenous obesity, insulin obesity, hyperplasmic) Obesity, Pituitary obesity, Plasma-reducing obesity, Hypothyroidism obesity, Hypothalamic obesity, Symptomatic obesity, Childhood obesity, Upper body obesity, Dietary obesity, Hyposexual obesity, Systemic mast cells Dysphagia, simple obesity, central obesity, etc., hyperphagia, sleep disorders (eg, primary insomnia, circadian rhythm disorders (eg, physical condition changes due to three shifts, etc., time zone change syndrome) ))), Somnolence, infertility, seasonal depression, reproductive dysfunction, endocrine disorders, senile dementia, Alzheimer's disease, various disorders associated with aging, cerebral circulation disorders (eg, stroke, etc.), head trauma, Spinal cord injury, Tendon , Anxiety, depression, manic depression, schizophrenia, alcoholism, Parkinson's disease
- the polypeptide A2 of the present invention has a prolactin secretion action or the like, for example, when overexpression of the gene of the polypeptide A2 is detected, for example, pituitary gland tumor, diencephalon tumor, Abnormal, autoimmune disease, prolactinoma, infertility, impotence, amenorrhea, milk leakage, acromegaly, Chiari-Flommel syndrome, Argon ⁇ Del Casti mouth syndrome, Forbes Albright syndrome, lymphoma, It can be diagnosed as a disease such as Sheehan's syndrome, spermatogenesis abnormality, thyroid dysfunction, or likely to be affected in the future.
- diseases such as prolactin secretion failure (eg, ovarian hypofunction, seminal vesicle development failure, climacteric disorder, etc.), hyperthyroidism, etc. It can be diagnosed as being ill or likely to be affected in the future.
- prolactin secretion failure eg, ovarian hypofunction, seminal vesicle development failure, climacteric disorder, etc.
- hyperthyroidism etc. It can be diagnosed as being ill or likely to be affected in the future.
- the polypeptide B of the present invention has a prolactin secretion and the like, for example, when excessive expression of the polypeptide ⁇ ⁇ ⁇ ⁇ gene is detected, for example, pituitary gland tumor, diencephalon tumor, menstrual abnormality Autoimmune disease, prolactinoma, infertility, impotence, amenorrhea, milk leakage, acromegaly, Chiari ⁇ Flommel syndrome, Argont del Casti syndrome, Forbes-Albright syndrome, lymphoma, Sheehan syndrome It can be diagnosed as a disease such as spermatogenesis abnormality, thyroid dysfunction, or a high possibility of suffering in the future.
- a prolactin secretion and the like for example, when excessive expression of the polypeptide ⁇ ⁇ ⁇ ⁇ gene is detected, for example, pituitary gland tumor, diencephalon tumor, menstrual abnormality Autoimmune disease, prolactinoma, infertility, impotence, amen
- a decrease in the expression of the gene of the polypeptide IV of the present invention may be caused by diseases such as prolactin secretion failure (eg, ovarian dysfunction, seminal vesicle development failure, climacteric disorder, etc.), hyperthyroidism, etc. Can be diagnosed as being or likely to be affected in the future.
- diseases such as prolactin secretion failure (eg, ovarian dysfunction, seminal vesicle development failure, climacteric disorder, etc.), hyperthyroidism, etc. Can be diagnosed as being or likely to be affected in the future.
- the DNA of the present invention (A1) binds complementarily to the polypeptide A1 of the present invention or the DNA encoding the protein of the present invention (hereinafter referred to as “the DNA of the present invention (A1)”), and suppresses the expression of the DNA.
- the antisense polynucleotide of the present invention that has a low toxicity and can suppress the function of the polypeptide A1 of the present invention or the DNA (A1) of the present invention in living organisms.
- stress disorder eg, (1) cardiovascular disease (eg, angina, myocardial infarction, arrhythmia, etc.),
- DNA encoding polypeptide A2 of the present invention (hereinafter referred to as ⁇ DNA of the present invention (A 2)
- a 2 DNA encoding polypeptide A2 of the present invention
- the antisense polynucleotide of the present invention that binds complementarily to J) and can suppress the expression of the DNA is low toxic, and the polypeptide A2 of the present invention in vivo or the present invention Since the function of DNA (A 2) can be suppressed, it can be used, for example, as a prophylactic / therapeutic agent for infertility and thyroid dysfunction.
- the antisense polynucleotide of the present invention which binds complementarily to the DNA encoding the polypeptide B of the present invention (hereinafter referred to as “DNA (B) of the present invention)” and can suppress the expression of the DNA, Since it has low toxicity and can suppress the function of the polypeptide B of the present invention or the DNA (B) of the present invention in vivo, for example, prophylactic / therapeutic agents for infertility, thyroid dysfunction, etc. Can be used as
- the antisense polynucleotide When used as the above-mentioned preventive / therapeutic agent, it can be formulated and administered according to a known method.
- the antisense polynucleotide when used, the antisense polynucleotide is inserted alone or into an appropriate vector such as a retrovirus vector, adenovirus vector, adenovirus associated virus vector, and the like. Or other mammals (eg, rats, rabbits, hidges, pigs, rabbits, cats, dogs, monkeys, etc.) orally or parenterally.
- the antisense polynucleotide can be formulated as it is or with a physiologically recognized carrier such as an adjuvant to promote ingestion and administered through a catheter such as a gene gun or a hydrogel catheter.
- the dose of the antisense polynucleotide varies depending on the target disease, administration subject, administration route, etc.
- the antisense polynucleotide of the present invention is locally administered to the kidney for the purpose of treating hypertension.
- the kidney for the purpose of treating hypertension.
- about 0.1 to 10 O mg of the antisense polynucleotide is administered per day.
- the antisense polynucleotide can also be used as a diagnostic oligonucleotide probe for examining the presence and expression status of the DNA of the present invention in tissues and cells. Diagnosis using the antisense polynucleotide can be carried out in the same manner as the above-described gene diagnostic agent.
- RNAi ribozyme
- a medicament comprising the double-stranded RNA according to (5) above;
- a medicament comprising the ribozyme according to (7) above;
- RNAi double-stranded RNAs
- ribozymes ribozymes, and the like
- RNAi RNA interference method
- ribozymes ribozymes, and the like
- RNAi double-stranded RNAs
- ribozymes ribozymes, and the like
- RNAi RNA interference method
- ribozymes ribozymes, and the like
- the activity or function of the polypeptide of the invention or the polynucleotide (eg, DNA) of the invention can be inhibited.
- the double-stranded RNA described in (1) and the ribozyme described in (3) are, for example, hypertension, myocardial infarction, acute renal failure, stress disease [eg, (1) cardiovascular system Diseases (eg, angina pectoris, myocardial infarction, arrhythmia, etc.), (2) respiratory diseases (eg, bronchial asthma, hyperventilation syndrome, etc.), (3) musculoskeletal diseases (eg, rheumatoid arthritis, (4) Diabetes, menopause, chronic pain, decreased immunity, gastrointestinal disorders (eg, gastric ulcer, ulcerative colitis, etc.) Anti-therapeutic agent; Uterine contraction suppressor; excessive labor pain, pseudo labor pain, 'prolonged pregnancy, tonic uterine contraction, fetal distress, uterine rupture, cervical laceration, premature birth, uterine fibroid, uterine malformation, uterine adenomyosis, delivery Force abnormalities, chronic uterine inflammatory disease, maternal care in multiple pregnancy, abnormal position
- the double-stranded RNA described in (5) and the ribozyme described in (7) are used as, for example, a preventive / therapeutic agent (preferably a prolactin production inhibitor) for infertility, thyroid dysfunction, etc. it can.
- a preventive / therapeutic agent preferably a prolactin production inhibitor
- the double-stranded RNA described in (9) and the ribozyme described in (1 1) are, for example, as preventive / therapeutic agents (preferably prolactin production inhibitors) for infertility, thyroid dysfunction and the like. Can be used.
- Double-stranded RNA can be produced by designing based on the sequence of the polynucleotide of the present invention according to a known method (eg, Nature, 411, 494, 2001).
- the ribozyme can be designed and produced based on the sequence of the polynucleotide of the present invention according to a known method (eg, TRENDS in Molecular Medicine, 7 ⁇ , 221 pages, 2001). For example, it can be produced by linking a known ribozyme to a part of RNA encoding the peptide of the present invention.
- RNA encoding the peptide of the present invention examples include a portion (RNA fragment) adjacent to the cleavage site on the RNA of the present invention that can be cleaved by a known ribozyme. "When the above double-stranded RNA or ribozyme is used as the prophylactic / therapeutic agent, it can be formulated and administered in the same manner as the antisense polynucleotide.
- the present invention relates to a DNA encoding an exogenous polypeptide of the present invention (hereinafter abbreviated as exogenous DN A of the present invention) or a mutant DN A (sometimes abbreviated as exogenous mutant DNA of the present invention).
- exogenous DN A of the present invention an exogenous polypeptide of the present invention
- mutant DN A sometimes abbreviated as exogenous mutant DNA of the present invention
- a recombinant vector containing the exogenous DNA of the present invention or a mutant DNA thereof and capable of being expressed in mammals.
- a non-human mammal having an exogenous DNA of the present invention or a mutant DNA thereof is an embryo cell containing an unfertilized egg, a fertilized egg, a sperm and a progenitor cell thereof.
- the calcium phosphate method, the electric pulse method It can be produced by transferring the target DNA by the ribofusion method, aggregation method, microinjection method, particle gun method, DEAE-dextran method, etc.
- the exogenous DNA of the present invention intended for somatic cells, living organs, tissue cells, etc. can be transferred and used for cell culture, tissue culture, and the like.
- non-human mammals examples include ushi, pig, hidge, goat, usagi, inu, cat, guinea pig, hamster, mouse and rat.
- rodents especially mice (for example, C57B LZ6 strain, DBA 2 strain, etc.
- Preferred hybrids include B 6 C 3 F 1 strain, BDF 1 strain, B 6D 2 F 1 strain, BALB / c strain, ICR strain, etc.) or rats (eg Wi star, SD, etc.).
- Examples of the “mammal” in the recombinant vector that can be expressed in mammals include humans in addition to the above non-human mammals.
- the exogenous DNA of the present invention refers to the DNA of the present invention once isolated and extracted from the mammal, not the DNA of the present invention inherently possessed by non-human mammals.
- the mutated DNA of the present invention the base sequence of the original DNA of the present invention has been mutated (for example, mutation, etc.), specifically, addition of a base, deletion, replacement with another base Such as DNA is used, and abnormal DNA is also included.
- the abnormal DNA means a DNA that expresses an abnormal polypeptide of the present invention.
- a polypeptide that suppresses the function of a normal polypeptide of the present invention is expressed.
- the DNA to be expressed is used.
- the exogenous DNA of the present invention may be of the same or different species as the target animal (mammalian origin.
- the target animal mammalian origin.
- it is generally advantageous to use it as a DNA construct bound downstream of a promoter capable of expressing DNA in animal cells, for example, when the human DNA of the present invention is transferred, the DN A of the present invention having high homology with this.
- a DNA-transferred mammal that highly expresses the DNA of the present invention by microinjecting a construct (eg, vector, etc.) into a fertilized egg of a target mammal, for example, a mouse fertilized egg. Can produce dairy animals.
- Examples of the expression vector for the polypeptide of the present invention include plasmids derived from Escherichia coli, plasmids derived from Bacillus subtilis, plasmids derived from yeast, retroviruses such as phages, retroviruses such as Moroni-leukemia quinoles, vaccinia winores. Or animal viruses such as baculovirus are used. Of these, plasmids derived from Escherichia coli, plasmids derived from Bacillus subtilis, or plasmids derived from yeast are preferably used.
- promoters that regulate DNA expression include: 1) Promoters of DNA derived from viruses (eg, simian virus, cytomegaloinoles, Moroni leukemia virus, JC virus, breast cancer virus, poliovirus, etc.), 2 ) Promoters from various mammals (eg, human, rabbit, dog, cat, guinea pig, hamster, rat, mouse, etc.) such as albumin, insulin II, uroplakin II, elastase, erythropoietin, endothelin, muscle creatine kinase , Glial fibrillary acidic protein, glutathione S-transferase, platelet-derived growth factor i3, keratin Kl, 1:10 and 1 ⁇ 14, collagen types I and II, cyclic AMP-dependent protein kinase j3 I subunit Gistrophy Tartrate-resistant alkaline phosphatase, atrial sodium diuretic factor, endothelial receptor thioc
- the vector preferably has a sequence (generally called terminator 1) that terminates transcription of the target messenger RNA in a DNA-transferred mammal.
- terminator 1 a sequence that terminates transcription of the target messenger RNA in a DNA-transferred mammal.
- each vector derived from viruses and various mammals A sequence can be used, and a SV40 terminator of simian virus is preferably used.
- the splicing signal of each DNA, enhancer region, part of intron of eukaryotic DNA, etc. 5 upstream from promoter region, between promoter region and translation region It is possible to connect 3 'downstream of the translation region depending on the purpose.
- the normal translation region of the polypeptide of the present invention includes human lupus, kidney, thyroid cells, and fibers derived from humans or various mammals (for example, rabbits, dogs, cats, peaches, hamsters, rats, mice, etc.).
- a raw material use DNA derived from blast cells and commercially available genomic DNA libraries as a whole or part of genomic DN ⁇ , or complementary DNA prepared by known methods from liver, kidney, thyroid cells, or fibroblast-derived RNA. Can be acquired.
- exogenous abnormal DNA can produce a translation region obtained by mutating a normal polypeptide translation region obtained from the cells or tissues described above by point mutagenesis.
- the translation region can be prepared as a DNA construct that can be expressed in a metastasized animal by a normal DNA engineering technique in which it is linked downstream of the promoter and optionally upstream of the transcription termination site.
- the transfer of the exogenous DNA of the present invention at the fertilized egg cell stage is ensured to be present in all germ cells and somatic cells of the subject mammal.
- Production after DN A metastasis The presence of the exogenous DNA of the present invention in a product germ cell means that all the progeny of the produced animal retain the exogenous DNA of the present invention in all the germ cells and somatic cells.
- the offspring of this type of animal that has inherited the exogenous DNA of the present invention has the exogenous DNA of the present invention in all of its germ cells and somatic cells.
- the non-human mammal to which the exogenous normal DNA of the present invention has been transferred has been confirmed to stably retain the exogenous DNA by mating, and can be subcultured in a normal breeding environment as the 'DNA-bearing animal. Can be raised.
- exogenous DNA of the present invention is transferred at the fertilized egg cell stage to be excessively present in all germ cells and somatic cells of the subject mammal.
- Excessive exogenous DNA of the present invention is present in the embryo cells of the produced animal after DNA transfer. All of the progeny of the produced animal have excess of the exogenous DNA of the present invention in all of the germ cells and somatic cells. It means having. Descendants of this type of animal that have inherited the foreign DNA of the present invention have an excess of the foreign DNA of the present invention in all of their germ cells and somatic cells.
- the non-human mammal having the normal DNA of the present invention has a high expression of the normal DNA of the present invention, and finally promotes the function of the endogenous normal DNA, thereby finally accelerating the function of the polynucleotide of the present invention.
- Peptide hyperfunction may occur and can be used as a model animal for the pathophysiology. For example, by using the normal DNA-transferred animal of the present invention, elucidation of the pathologic mechanism of the hyperfunction of the polypeptide of the present invention or the disease associated with the polypeptide of the present invention. It is possible to examine treatment methods.
- the mammal to which the exogenous normal DNA of the present invention has been transferred since the mammal to which the exogenous normal DNA of the present invention has been transferred has an increased symptom of the polypeptide of the present invention, it can be used as a prophylactic / therapeutic agent for diseases related to the polypeptide of the present invention. It can also be used for screening tests.
- a mammal into which a foreign DNA encoding the polypeptide A 1 of the present invention hereinafter abbreviated as the exogenous DNA (A 1) of the present invention
- the exogenous DNA (A 1) of the present invention is Since it has an increased symptom, it can also be used in screening tests for prophylactic / therapeutic agents for diseases associated with the polypeptide A1 of the present invention (eg, hypertension, anorexia, climacteric disorder, insomnia, etc.).
- a mammal to which a DNA encoding the exogenous polypeptide A 2 of the present invention (hereinafter abbreviated as exogenous DNA (A 2) of the present invention) is transferred, Since it has an increased symptom of the polypeptide A.2 of the present invention, it is possible to prevent or prevent diseases associated with the polypeptide A2 of the present invention (eg, infertility, thyroid dysfunction). Also available.
- a mammal to which a DNA encoding the exogenous polypeptide B of the present invention (hereinafter abbreviated as exogenous DNA NA (B) of the present invention) is transferred is an increased symptom of the polypeptide B ′ of the present invention. Therefore, it can also be used in screening tests for prophylactic / therapeutic agents for diseases related to the polypeptide B of the present invention (eg, infertility, thyroid dysfunction, etc.).
- the non-human mammal having the exogenous abnormal DNA of the present invention should be subcultured in a normal breeding environment as a DNA-bearing animal after confirming that the exogenous DNA is stably retained by mating. I can do it.
- the target exogenous DNA can be incorporated into the above-mentioned plasmid and used as a raw material.
- a DNA construct with a promoter can be prepared by ordinary DNA engineering techniques. The transfer of the abnormal DNA of the present invention at the fertilized egg cell stage is ensured to be present in all germ cells and somatic cells of the subject mammal.
- the presence of the abnormal DNA of the present invention in the germ cell of the produced animal after the transfer of DNA means that all the offspring of the produced animal have the abnormal DNA of the present invention in all the germ cells and somatic cells.
- the offspring of this type of animal that has inherited the exogenous DNA of the present invention has the abnormal DNA of the present invention in all of its germ cells and somatic cells.
- the non-human mammal having the abnormal DNA of the present invention has a high expression of the abnormal DNA of the present invention, and finally inhibits the function of the endogenous normal DNA, thereby finally inhibiting the polypeptide of the present invention. It may become a functional inactive refractory of peptide, and can be used as a disease model animal. For example, it is possible to elucidate the pathologic mechanism of the functional inactive refractory disease of the polypeptide of the present invention and to examine a treatment method for this disease using the abnormal DNA transfer animal of the present invention.
- an animal with high abnormal DNA expression according to the present invention is a normal one due to the abnormal polypeptide according to the present invention in the mechanism inactive refractory of the polypeptide according to the present invention. It is a model to elucidate the functional inhibition (dominant negative action) of polypeptides.
- a mammal to which the exogenous abnormal DNA of the present invention has been transferred may be a polypeptide of the present invention. Since it has a symptom of inactive function of tide, it can also be used in screening tests for prophylactic / therapeutic agents for the functional inactive refractory condition of the polypeptide of the present invention.
- exogenous abnormal DNA NA (A 1) of the present invention a mammal to which an abnormal DNA DNA encoding the exogenous polypeptide A 1 of the present invention (hereinafter abbreviated as exogenous abnormal DNA NA (A 1) of the present invention) has been transferred is Since the polypeptide A of the present invention has functionally inactive symptoms, the polypeptide A1 of the present invention has a functionally inactive refractory disease (eg, hypotension, obesity, lethargy, time-band change syndrome, infertility) It can also be used in screening tests for preventive / therapeutic agents.
- a functionally inactive refractory disease eg, hypotension, obesity, lethargy, time-band change syndrome, infertility
- a mammal having transferred a DNA abnormality DNA encoding the exogenous polypeptide A2 of the present invention (hereinafter abbreviated as the exogenous abnormality DNA (A 2) of the present invention) is a mammal of the present invention. Since the polypeptide A 2 of the present invention has an incapable symptom of functional inactivation, the preventive / therapeutic agent for the functional inactive refractory of the polypeptide A 2 of the present invention (eg, climacteric disorder, hyperthyroidism, etc.) It can also be used for screening tests.
- the preventive / therapeutic agent for the functional inactive refractory of the polypeptide A 2 of the present invention eg, climacteric disorder, hyperthyroidism, etc. It can also be used for screening tests.
- a mammal having transferred an abnormal DNA DNA (hereinafter abbreviated as an exogenous abnormal DNA (B) of the present invention) used for the exogenous polypeptide B of the present invention is a function of the polypeptide B of the present invention. Because it has inactive inability symptoms, it is also used in screening tests for prophylactic / therapeutic agents for the functional inactive refractory of the polypeptide B of the present invention (eg, climacteric disorder, hyperthyroidism, etc.) Is possible. .
- each organ is taken out of the DN-metastasized animal of the present invention, and after minced, free DNA-transferred cells are obtained and cultured or the cultured cells are organized by using a polypeptide-degrading enzyme such as trypsin. It is possible. Furthermore, the polypeptide-producing cell of the present invention can be identified, its relationship with apoptosis, differentiation or proliferation, or the signal transduction mechanism in them can be investigated, and their abnormality can be investigated. It becomes an effective research material for elucidating its action.
- a therapeutic agent for a disease related to the polypeptide of the present invention including the functionally inactive type refractory of the polypeptide of the present invention
- using the DNA-transferred animal of the present invention it is possible to provide an effective and rapid screening method for a therapeutic drug for the disease by using the above-described test method and quantitative method.
- using the DNA transfer product of the present invention or the exogenous DNA expression vector of the present invention it is possible to examine and develop a DNA treatment method for a disease associated with the polypeptide of the present invention. is there.
- the present invention provides a non-human mammal embryonic stem cell in which the DNA of the present invention is inactivated, and the non-human mammal deficient in the expression of DNA of the present invention.
- the DNA is inactivated by introducing a reporter gene (eg, E. coli-derived] 3-galactosidase gene), and the reporter gene can be expressed under the control of the promoter for DNA of the present invention.
- a reporter gene eg, E. coli-derived] 3-galactosidase gene
- a method for screening a compound or a salt thereof that promotes or inhibits the promoter activity against DNA of the present invention comprising administering a test compound to the animal described in item 7) and detecting the expression of a reporter gene.
- the non-human mammal embryonic stem cell in which the DNA of the present invention is inactivated suppresses the DNA expression ability by artificially adding mutation to the DNA of the present invention possessed by the non-human mammal. Or by substantially losing the activity of the polypeptide A of the present invention encoded by the DNA, DN A does not substantially have the ability to express the polypeptide A of the present invention (hereinafter referred to as “a”).
- the term “knockout DNA of the present invention” refers to embryonic stem cells (hereinafter abbreviated as ES cells) of non-human mammals.
- non-human mammal those similar to the above can be used.
- a part or all of the DNA sequence can be deleted by genetic engineering techniques, or another DNA can be inserted or replaced.
- the knockout DNA of the present invention may be prepared by shifting the codon reading frame or destroying the function of the promoter or exon.
- Non-human mammalian embryonic stem cells in which the DNA of the present invention is inactivated include, for example, A DNA of the present invention possessed by a non-human mammal, and a neomycin resistance gene, a drug resistance gene typified by a hygromycin resistance gene, or 1 ac Z (—galactosidase gene)
- a DNA of the present invention possessed by a non-human mammal and a neomycin resistance gene, a drug resistance gene typified by a hygromycin resistance gene, or 1 ac Z (—galactosidase gene)
- the ability to disrupt the function of an essen by inserting a reporter gene or the like represented by cat (chloramphenicol acetyl transferase gene), or a DNA sequence that terminates transcription of the gene in the intron between exons (for example, , Poly A addition signal, etc.), resulting in the inability to synthesize complete mRNA, resulting in
- the original ES cell for inactivating the DNA of the present invention by the homologous recombination method or the like for example, those already established as described above may be used, or the known Evans and Kaufman method may be used.
- a newly established one may be used.
- 129 ES cells are generally used at present, but the immunological background is unclear, so an alternative purely immunologically genetic background
- C57BLZ6 mice or BDF 1 mice C 57 B LZ6 and DB A / 2, which were improved by crossing with 1382)
- the one established using F1 can be used well.
- BDF1 mice have the advantage of having a large number of eggs collected and strong eggs, and because C57B LZ6 mice are used as background, ES cells obtained using these have created pathological model mice. In some cases, it can be advantageously used in that the genetic background can be changed to C57BLZ6 mice by backcrossing with C57BL / 6 mice.
- blastocysts at the 3.5th day after fertilization are generally used, but in addition to this, an 8-cell embryo is collected and cultured to the blastocyst for efficient use. Early embryos can be obtained.
- male ES cells are usually more convenient for producing germline chimeras.
- One example of a method for determining the sex of ES cells is a method of amplifying and detecting a gene in the sex-determining region on the Y chromosome by PCR.
- this method conventionally, for example G-banding method, requires about 10 6 cells for karyotype analysis, since suffices ES cell number of about 1 colony (about 50), culture
- Initial selection of ES cells in the initial stage can be performed by male / female discrimination, and male cells can be selected at an early stage.
- the secondary selection can be performed, for example, by confirming the number of chromosomes by the G-banding method.
- the embryonic stem cell line obtained in this way is usually very proliferative, but it tends to lose its ability to develop on its own, so it needs to be subcultured carefully.
- a suitable feeder cell such as STO fibroblasts (preferably 5% carbon dioxide, 95% air or
- trypsin / EDTA solution usually 0.001 -0. 5% trypsin solution 0. 0%
- cultured at about 37 ° C in 5% oxygen, 5% carbon dioxide, 90% air 1 to 5 mM EDTA, preferably about 0.1% trypsin / ImM EDTA
- Such passage is usually carried out every 1 to 3 days. At this time, cells should be observed, and if morphologically abnormal cells are found, the cultured cells should be discarded.
- ES cells can be cultured in various types of cells such as parietal muscle, visceral muscle, and myocardium by monolayer culture to high density or suspension culture until a cell agglomeration is formed under appropriate conditions.
- MJ Evans and MH Kaufman Nature 292, 154, 1981; GR Martin Proceedings ⁇ Ob ⁇ National ⁇ Academy ⁇ Ob 'Science US roc . Natl. Acad. Sci.
- the DNA expression-deficient cells of the present invention obtained by differentiating the ES cells of the present invention are useful in the cell biological examination of the polypeptide A of the present invention in the in vitro mouth.
- the non-human mammal deficient in DNA expression of the present invention can be distinguished from normal animals by measuring the mRNA level of the animal using a known method and comparing the expression level indirectly.
- non-human mammal As the non-human mammal, the same ones as described above are used.
- the non-human mammal deficient in DNA expression of the present invention for example, introduces the targeting vector prepared as described above into mouse embryonic stem cells or mouse egg cells, and inactivates the DNA of the targeting vector of the present invention by introduction.
- DNA sequence on the chromosome of mouse embryonic stem cell or mouse egg cell by gene homologous recombination
- the DNA of the present invention can be knocked out.
- Cells in which the DNA of the present invention has been knocked out are used as a targeting vector and a Southern hybridization analysis using the DNA sequence of or near the DNA of the present invention as a probe or a DNA sequence on a targeting vector. It can be determined by analysis by PCR using primers derived from the DNA sequences in the neighboring region other than the DNA of the present invention derived from the mouse.
- a cell line in which the DNA of the present invention is inactivated is cloned by gene homologous recombination, and the cells are cultured at an appropriate time, for example, at the 8-cell stage.
- the produced animal is a chimeric animal composed of both normal cells having the DNA locus of the present invention and artificially altered cells having the DNA locus of the present invention.
- all tissues are artificially mutated from the population obtained by mating such a chimeric individual with a normal individual. It is obtained by selecting an individual composed of cells having the added DNA locus of the present invention, for example, by determining the coat color.
- the individual thus obtained is usually an individual who is deficient in the heterogeneous expression of the polypeptide A of the present invention.
- an individual who is deficient in homoexpression of the receptor protein of the present invention can be obtained.
- transgenic non-human mammals into which the targeting vector has been introduced into the chromosome can be obtained by injecting the DNA solution into the nucleus of the egg cell using the microinjection method. Compared to non-human mammals, it can be obtained by selecting those having mutations in the DNA locus of the present invention by gene homologous recombination.
- an individual in which the DNA of the present invention is knocked out should be subcultured in a normal breeding environment after confirming that the animal obtained by mating has also been knocked out. Can do.
- germline acquisition and retention may be followed in accordance with conventional methods. That is, by mating male and female animals possessing the inactivated DNA, homozygous animals having the inactivated DNA in both homologous chromosomes can be obtained. The resulting homozygous animals are one normal individual and multiple homozygous goats relative to the mother animal. It can be efficiently obtained by rearing in a state. By breeding male and female heterozygous animals, homozygous and heterozygous animals having the inactivated DNA are bred and passaged. .
- the non-human mammal embryonic stem cell in which the DNA of the present invention has been inactivated is very useful for producing the non-human mammal having a dna expression deficiency of the present invention.
- the non-human mammal deficient in DNA expression of the present invention lacks various biological activities that can be induced by the polypeptide A of the present invention
- the biological activity of the polypeptide A of the present invention is inactive. It can be used as a model for diseases caused by aging, and is useful for investigating the causes of these diseases and for examining treatment methods.
- the non-human mammal deficient in DNA expression of the present invention can be used for screening for compounds having a therapeutic / preventive effect on diseases caused by deficiency or damage of the DNA of the present invention.
- the present invention is characterized by administering a test compound to a non-human mammal deficient in DNA expression of the present invention and observing and measuring changes in the animal, wherein the DNA of the present invention is deficient or damaged.
- a screening method for a compound having a therapeutic / preventive effect or a salt thereof against a disease caused by the above is provided.
- Examples of the non-human mammal deficient in DNA expression of the present invention used in the screening method include those described above.
- test compounds include peptides, proteins, antibodies, non-peptide compounds, synthetic compounds, fermentation products, cell extracts, plant extracts, animal tissue extracts, plasma, and the like. It may be a novel compound or a known compound.
- the non-human mammal deficient in DNA expression of the present invention is treated with a test compound, compared with an untreated control animal, and changes in the organs, tissues, disease symptoms, etc. of the animal are indicated.
- a test compound the therapeutic / preventive effect can be tested.
- test compound for example, oral administration and intravenous injection are used, and can be appropriately selected according to the symptom of the test animal, the nature of the test compound, and the like.
- dose of the test compound can be appropriately selected according to the administration method, the nature of the test compound, and the like.
- a non-human mammal deficient in DNA expression of the present invention in which DNA encoding the polypeptide A1 of the present invention is inactivated obesity (eg, malignant mastocytosis, exogenous obesity) Hyperinsulin obesity, hyperplasmic obesity, pituitary obesity, hypoplasmic hypertrophy, hypothyroid obesity, hypothalamic obesity, symptomatic obesity, childhood obesity, upper body obesity, diet Obesity, hypogonadism obesity, systemic mastocytosis, simple obesity, moderate obesity, etc.), hyperphagia, etc.
- the non-human mammal with deficient expression of DNA of the invention is subjected to glucose tolerance treatment, the test compound is administered before or after the glucose tolerance treatment, and blood glucose level and body weight change of the animal are measured over time. .
- the blood glucose level of the test animal decreases by about 10% or more, preferably about 30% or more, more preferably about 50% or more.
- the test compound can be selected as a compound having a therapeutic / preventive effect against the above-mentioned diseases.
- prolactin secretion deficiency eg, ovarian hypofunction, seminal vesicle
- the test compound is administered to the non-human mammal with dna expression deficiency of the present invention.
- prolactin secretion failure eg, ovarian hypofunction, seminal vesicle growth failure, climacteric disorder, etc.
- the blood prolactin concentration of the test animal is increased by about 10% or more, preferably about 30% or more, more preferably about 50% or more.
- the test compound can be selected as a compound having a therapeutic / preventive effect against the above-mentioned diseases.
- prolactin secretion deficiency eg, ovarian hypofunction, seminal vesicles
- the test compound is administered to the non-human mammal with dna expression deficiency of the present invention.
- Non-administration group and prolactin secretion failure eg, ovarian hypofunction, seminal vesicle development failure, menopause
- thyroid Observe the difference in the degree of onset of hyperfunction and the difference in blood prolactin concentration over time.
- the blood prolactin concentration of the test animal is increased by about 10% or more, preferably about 30% or more, more preferably about 50% or more.
- the test compound can be selected as a compound having a therapeutic / preventive effect against the above-mentioned diseases.
- the compound obtained by using the screening method is a compound selected from the test compounds described above, and has a therapeutic / preventive effect on diseases caused by deletion or damage of the polypeptide A of the present invention. Therefore, it can be used as a medicine such as a safe and low-toxic treatment / prevention agent for the disease. Furthermore, compounds derived from the compounds obtained in the above screen can also be used.
- the compound obtained by the screening method may form a salt, and as a salt of the compound, a physiologically acceptable acid (eg, inorganic acid, organic acid, etc.) or a base (eg, alkali metal, etc.) And the like, and physiologically acceptable acid addition salts are particularly preferable.
- salts examples include salts with inorganic acids (eg, hydrochloric acid, phosphoric acid, hydrobromic acid, sulfuric acid, etc.) or organic acids (eg, acetic acid, formic acid, propionic acid, fumaric acid, maleic acid). And salts with succinic acid, tartaric acid, citrate, malic acid, succinic acid, benzoic acid, methanesulfonic acid, benzenesulfonic acid, etc.).
- inorganic acids eg, hydrochloric acid, phosphoric acid, hydrobromic acid, sulfuric acid, etc.
- organic acids eg, acetic acid, formic acid, propionic acid, fumaric acid, maleic acid.
- succinic acid tartaric acid, citrate, malic acid, succinic acid, benzoic acid, methanesulfonic acid, benzenesulfonic acid, etc.
- a medicament containing the compound obtained by the screening method or a salt thereof can be produced in the same manner as the aforementioned medicament containing the polypeptide A of the present invention.
- the preparations thus obtained are safe and low toxic.
- humans or other mammals eg rats, mice, guinea pigs, rabbits, ledges, pigs, tusks, horses, cats
- the dose of the compound or its salt varies depending on the target disease, administration subject, administration route, etc. For example, when the compound is administered orally, it is generally obese in adults (with a body weight of 60 kg).
- the compound is administered at a dose of about 0.1 to 100 mg, preferably about 1.0 to 50 mg, more preferably about 1.0 to 20 mg per day.
- the single dose of the compound varies depending on the administration subject, the subject disease, etc.
- the compound is usually administered in the form of an injection for obesity in adults (60 kg).
- about 0.0 1 to 3 of the compound per day It is convenient to administer about Omg, preferably about 0.1 to 2 Omg, more preferably about 0.1 to 1 Omg by intravenous injection. In the case of other animals, an amount converted per 60 kg can be administered.
- the present invention promotes or inhibits activity of a promoter for the DNA of the present invention, which comprises administering a test compound to a non-human mammal deficient in DNA expression of the present invention and detecting the expression of a reporter gene.
- a method for screening a compound or a salt thereof is provided.
- the non-human mammal deficient in DNA expression of the present invention includes the above-described non-human mammal deficient in DNA expression of the present invention by introducing the reporter gene into the DNA of the present invention. Those inactivated and capable of expressing the reporter gene under the control of the promoter for DNA of the present invention are used.
- test compound examples are the same as described above.
- reporter gene the same ones as described above are used, and i3-galactosidase gene (1acZ), soluble alkaline phosphatase gene, luciferase gene and the like are preferable.
- the reporter gene is present under the control of a promoter for the DNA of the present invention, so that the expression of the substance encoded by the reporter gene is expressed. By tracing, promoter activity can be detected.
- the expression of the polypeptide A of the present invention is essentially performed.
- 3-galactosidase is expressed instead of polypeptide A of the present invention.
- a reagent that is a substrate for / 3-galactosidase such as 5_bromo-4-chloro-mouth-3 fndolyl i3-galactopyranoside (X-ga 1)
- X-ga 1 5_bromo-4-chloro-mouth-3 fndolyl i3-galactopyranoside
- the polypeptide A-deficient mouse of the present invention or a tissue section thereof is fixed with dartal aldehyde, washed with phosphate buffered saline (PBS), and then stained with X-ga 1 staining solution. After reacting at room temperature or around 37 ° C for about 30 minutes to 1 hour, wash the tissue specimen with 1m MEDTA / PBS solution to stop the i3_galactosidase reaction and observe the coloration. Good.
- mRNA encoding 1 ac Z may be detected according to a conventional method.
- the compound obtained by using the screening method or a salt thereof is a compound selected from the above test compounds, and is a compound that promotes or inhibits the promoter activity for DNA of the present invention.
- the compound obtained by the screening method may form a salt, and as a salt of the compound, a physiologically acceptable acid (eg, inorganic acid) or a base (eg, organic acid) etc.
- physiologically acceptable acid addition salts are preferred.
- such salts include salts with inorganic acids (eg, hydrochloric acid, phosphoric acid, hydrobromic acid, sulfuric acid, etc.) or organic acids (eg, acetic acid, formic acid, propionic acid, fumaric acid, maleic acid).
- the compound or its salt that promotes the promoter activity for DNA encoding the polypeptide A1 of the present invention can promote the expression of the polypeptide A1 of the present invention and promote the function of the peptide.
- hypotension obesity (eg, malignant mastocytosis, exogenous obesity, hyperinsulinic obesity, hyperplasmic obesity, pituitary hypertrophy, hypoplasmic obesity, hypothyroid obesity, Hypothalamic obesity, symptomatic obesity, childhood obesity, upper body obesity, dietary obesity, hypogonadism obesity, systemic mastocytosis, simple obesity, central obesity, etc.), hyperphagia, sleep disorder [Eg, primary insomnia, circadian rhythm disorders (eg, physical condition modulation due to three shifts, time zone change syndrome, etc.)], lethargy, infertility, seasonal depression, reproductive dysfunction, endocrine Disease, Human dementia, Alzheimer's disease, various disorders associated with aging, cerebral circulation disorder (eg, stroke), head injury, spinal cord injury, epilepsy, anxiety, depression
- a compound or a salt thereof that promotes the promoter activity for DNA encoding the polypeptide A2 of the present invention can promote the expression of the polypeptide A2 of the present invention and promote the function of the peptide. So, for example, prolactin secretion insufficiency (eg, ovarian hypofunction, seminal vesicle development failure, climacteric disorder etc.), hyperthyroidism, etc. It is useful as a medicine for prevention and treatment. '
- the compound or the salt thereof that promotes the promoter activity for DNA encoding the polypeptide B of the present invention can promote the expression of the polypeptide B of the present invention and promote the function of the peptide,
- it is useful as a prophylactic / therapeutic agent for prolactin secretion failure (eg, hypoovulation, seminal vesicle growth failure, climacteric disorder, etc.) and hyperthyroidism.
- a compound or a salt thereof that inhibits the promoter activity for DNA encoding the polypeptide A 1 ′ of the present invention inhibits the expression of the polypeptide A 1 of the present invention and inhibits the function of the peptide.
- Safe and low-toxic prevention such as hypertension, anorexia, climacteric disorder, insomnia, immune / inflammatory diseases (eg, rheumatoid arthritis, osteoarthritis, etc.) ⁇ Useful as pharmaceuticals such as therapeutic agents.
- a compound or a salt thereof that inhibits the promoter activity for DNA encoding the polypeptide A2 of the present invention inhibits the expression of the polypeptide A2 of the present invention and inhibits the function of the peptide.
- pituitary gland tumors, diencephalon tumors, menstrual abnormalities, autoimmune diseases, prolactinoma, infertility, impotence, amenorrhea, milk leakage, acromegaly, Chiari 'Flommel syndrome, Argon' Safe and low-toxic preventive / therapeutic agents (preferably inhibitors of prolactin production) such as Del Casti mouth syndrome, Forbes 'Albright' syndrome, lymphoma, Sheehan syndrome, spermatogenesis, and thyroid dysfunction It is useful as a pharmaceutical.
- a compound or a salt thereof that inhibits the promoter activity for DNA encoding the polypeptide B of the present invention can inhibit the expression of the polypeptide B of the present invention and inhibit the function of the peptide,
- pituitary gland tumors, diencephalon tumors, menstrual abnormalities, autoimmune diseases, prolactinoma, infertility, impotence, amenorrhea, milk leakage, acromegaly, Chiari Frommer syndrome, Argon del Castello syndrome For It is useful as a medicine for safe and low-toxic preventive / therapeutic agents (preferably prolactin production inhibitors) such as Beth-Albright syndrome, lymphoma, Sheehan syndrome, spermatogenesis abnormality, and thyroid dysfunction.
- a medicament containing a compound obtained by the screening method or a salt thereof is It can be produced in the same manner as the pharmaceutical containing the polypeptide A of the present invention or a salt thereof.
- the preparations obtained in this way are safe and low toxic.
- humans or other mammals eg rats, mice, guinea pigs, rabbits, ledges, pigs, tusks, horses, cats, Inu, monkeys, etc.
- the dose of the compound or a salt thereof varies depending on the target disease, administration subject, administration route, etc., for example, when a compound that promotes promoter activity against DNA of the present invention is administered orally, it is generally an adult.
- the compound is administered about 0.1 to 10 Omg, preferably about 1.0 to 5 Omg, more preferably about 1.0 to 20 mg per day.
- the single dose of the compound varies depending on the administration subject, target disease, etc.
- the compound that promotes the promoter activity against the DNA of the present invention is usually administered in the form of an injection.
- the compound When administered to obese patients (as 60 kg), the compound is about 0.01-3 Omg, preferably about 0.1-2 Omg, more preferably about 0.1-1 Omg per day. Is conveniently administered by intravenous injection. In the case of other animals, an amount converted per 60 kg can be administered.
- a compound that inhibits the promoter activity against DNA of the present invention when administered parenterally, the compound is about 0.1 per day. ⁇ 10 Omg, preferably about 1.0 to 5 Omg, more preferably about 1.0 to 2 Omg.
- the single dose of the compound varies depending on the administration subject, target disease, etc.
- the compound that inhibits the promoter activity against DNA of the present invention is usually administered in the form of an injection.
- the compound When administered to anorexic patients (as 6 O kg), the compound is about 0.01 to 3 Omg, preferably about 0.1 to 2 Omg, more preferably about 0.1 to 1 Omg per day. Is conveniently administered by intravenous injection. In the case of other animals, an amount converted per 60 kg can be administered.
- the non-human mammal deficient in DNA expression of the present invention is extremely useful for screening a compound or a salt thereof that promotes or inhibits the activity of the promoter for the DNA of the present invention. It can greatly contribute to the investigation of the cause or prevention / treatment of various diseases caused by deficient DNA expression.
- DNA containing the promoter region of the polypeptide of the present invention If genes that encode various proteins are linked downstream and injected into egg cells of an animal to create a so-called transgenic animal (transgenic animal), the polypeptide is specifically synthesized. It is also possible to study the action in the living body. Furthermore, if a suitable reporter gene is bound to the above promoter part and a cell line that expresses it is established, the production of the protein of the present invention itself in the body can be specifically promoted or suppressed. It can be used as a search system for molecular compounds. In the present specification and drawings, when bases, amino acids, etc.
- DNA Deoxyribonucleic acid
- Y Thymine or cytosine
- N Thymine, cytosine, adenine or guanine
- R adenine or guanine
- RNA Ribonucleic acid
- mRNA Messenger ribonucleic acid
- ATP Adenosine triphosphate
- EDTA ethylenediamine tetraacetic acid
- PAM phenylacetamide methyl Substituents, protecting groups and reagents frequently used in this specification are indicated by the following symbols. ⁇ O s: P—tonoreens nore phoninore
- NMP N-methylpyrrolidone SEQ ID No. in the sequence listing in the present specification indicates the following sequence.
- 1 shows the amino acid sequence of rat nieuromezin S.
- the amino acid sequence of human euromedin S precursor protein is shown.
- 1 shows the amino acid sequence of rat niuromedin S precursor protein.
- 1 shows the amino acid sequence of rat nieuromezin S N-terminal peptide 1 37.
- the nucleotide sequence of DN A encoding rat niuromedin S is shown.
- Mouse neuromedin SN terminal peptide Peptide shows the nucleotide sequence of DNA encoded by 37 k.
- rat TGR1 The amino acid sequence of rat TGR1 is shown.
- the nucleotide sequence of DN A coding for rat TG R 1 is shown.
- Cius TGR 1 The amino acid sequence of Cius TGR 1 is shown.
- ⁇ shows the amino acid sequence of FM-3.
- [SEQ ID NO: 39] 1 shows the amino acid sequence of rat nieuromedin UN-terminal peptide 1-33.
- 1 shows the amino acid sequence of rat niuromedin U N-terminal peptide 136.
- 1 shows the amino acid sequence of mouse neuromedin U N-terminal peptide 1-33.
- mouse neuromedin U N-terminal peptide-36 The amino acid sequence of mouse neuromedin U N-terminal peptide-36 is shown.
- Example 11 shows the nucleotide sequence of the oligonucleotide used as a probe in i ns i t u h y b r i i d az t i o in Example 11 below.
- Neuromedin S may be described as NMS, Neuromedin S N-terminal peptide as NSNP, and Neuromedin U N-terminal peptide as NUNP.
- Example 1 Neuromedin S N-terminal peptide as NSNP, and Neuromedin U N-terminal peptide as NUNP.
- the peptide sequence represented by this SEQ ID NO: 1 was converted to human euromedin S (human neuromedin S, sometimes referred to herein as human NMS).
- the peptide sequences represented by SEQ ID NO: 7 and SEQ ID NO: 8 are respectively referred to as human neuromedin SN terminal peptide-34 (human neuromedin SN-terminal peptide-34; herein, human NSNP-34).
- human neuromedin SN terminal peptide-37 (sometimes referred to herein as human NSNP-37).
- a rat whole brain-derived Marathon Ready cDNA (Kukuntech Co., Ltd.) is used as a saddle type, and Pyrobest DNA Polymerase (TaKaRa) is used. Primer 3 (arrangement number: 4 6) and primer 4 self-row number: 4 7 PCR reaction was performed using. As a result, the base sequence shown in SEQ ID NO: 48 was obtained.
- SEQ ID NO: 48 In the nucleotide sequence of SEQ ID NO: 48, there was a translation frame from ATG as the start codon to TAG as the stop codon. The amino acid sequence of the protein translated from this translation frame is shown in SEQ ID NO: 5.
- SEQ ID NO: 5 contains the Lys-Arg sequence (Rouille, Y. et al., Frontiers in
- the peptide sequence represented by SEQ ID NO: 2 was named rat neuromedin S (rat neuromedin may be referred to as rat NMS in this specification).
- the peptide sequences represented by SEQ ID NO: 9 and SEQ ID NO: 10 are respectively ratniuromedin SN terminal pepnado-34, rat neuromedin SN-terminal peptide-34, and rat NSNP-34 in this specification.
- Rat neuromedin SN terminal peptide-37 may be described as rat NSNP-37 in this specification).
- SEQ ID NO: 51 In the nucleotide sequence of SEQ ID NO: 51, there was a translation frame extending from the start codon ATG to the stop codon TAG. The amino acid sequence of the protein translated from this translation frame is shown in SEQ ID NO: 6.
- SEQ ID NO: 6 includes Lys-Arg sequence (Roui lle, Y. et al., Frontiers in Neuroendocrinology, 16 ⁇ , 322, 1995), which is said to have a biologically active peptide cleaved from its precursor protein.
- the presence of mosquitoes suggested that Asn, the amino acid at the carboxyl terminus of SEQ ID NO: 3, was an amide.
- the peptide sequence represented by SEQ ID NO: 3 was named mouse neuromedin S (in this specification, sometimes referred to as mouse NMS).
- the peptide sequences represented by SEQ ID NO: 1 1 and SEQ ID NO: 1 2 are respectively represented as mouse neuromedin SN terminal peptide-34 (mouse NSNP-34 in this specification).
- mouse neuromedin SN terminal peptide-37 also referred to as mouse NSNP-37 in this specification.
- NMS is an endogenous ligand for FM-3 or TGR1.
- Rat NMS prepared by the method described in Example 14 was dissolved in 10 il of physiological saline and administered to the lateral ventricle through a catheter.
- S was administered at 18:00, and food intake was measured between 19:00 and 7:00.
- NMS was administered to 14-hour fasted rats at 9:00, and food intake was measured for 2 hours immediately after that.
- NMS significantly suppressed long-term food intake in a dose-dependent manner, and the effect was greatest at lnmol.
- NMS significantly suppressed food intake at 0.5 nraol.
- NMS cDNA was used for standard curve generation.
- rat GAPDH mRNA expression level was measured and used as an internal standard.
- rat NMS mRNA was strongly expressed in the central nervous system, spleen, and testis, and at low levels in the pituitary and small intestine. In the central nervous system, it was particularly strongly expressed in the hypothalamus, and it was almost specifically expressed in the suprachiasmatic nucleus.
- Example 1 1
- 35 S-labeled oligonucleotide probe (5'-TGAGGAGGGGATCTGTAGCATACAGAAGCA- 3 ′) (SEQ ID NO: 5 4) was used for in situ hybridization. After washing, it was developed by autoradiography. Radioactivity was determined using MCID imaging analyzer (Imaging Research) 3 ⁇ 4r, 14 C as a standard. As a result, we analyzed the expression site of NMS in coronal and sagittal slices using whole rat brain, and found specific expression in the suprachiasmatic nucleus. Matched. Rat NMS mRNA expression was observed in the ventrolateral region of the suprachiasmatic nucleus.
- the expression rhythm of NMS was quantitatively analyzed.
- the rats bred under clear conditions showed an expression rhythm of NMS that was strongest with ZT11 and weakened with ZT17 (Zeitgeber time, ⁇ ; ⁇ 0, (Tone on; ⁇ 12, Light off).
- this expression rhythm disappeared in rats grown for 2 days under constant conditions.
- Intranuclear administration to the suprachiasmatic nucleus was performed by improving the method of Piggins et al. (Piggins, HD et al., J. Neurosci., 15 ⁇ , 5612, 1995). Rats were kept free of movement under constant conditions for 2 weeks. Each rat then had a 26-gauge stainless steel guide cannula 1 ⁇ l / -3 ⁇ 4r Paxinos and tfatson (Paxinos, and Watson, C., The rat brain in stereotaxic coordinates Academic Press, New York LA, 1998) Attached to reach the suprachiasmatic nucleus according to the coordinates.
- Rat NMS prepared by the method described in Example 14 was dissolved in ⁇ physiological saline and inserted 1 wake below the end of the guide cannula using a 31 gauge stainless steel injector. Administered. Spontaneous exercise was recorded according to the method of Nakahara et al. (Nakahara, K. et al., Biochem. Biophys. Res. Commun., 318, 156, 156, 2004) for 2 weeks before and after administration. did. The exact force nucleus position was confirmed by histological analysis at the end of the experiment as follows. The rat was decapitated after 1 ⁇ 1 India ink was administered to the rat to mark the administration position.
- c-Fos protein (a neuronal activation marker) expression increased in the suprachiasmatic nucleus after intracerebroventricular administration of NMS, compared to control rats receiving saline. c-Fos protein was specifically expressed in the ventrolateral part of the suprachiasmatic nucleus.
- NMS was administered directly to the suprachiasmatic nucleus by microinjection.
- NMS administered into the nucleus caused phase advance and delay in the circadian rhythm of locomotor activity in CT6 and CT23, respectively, as in the case of ventricular fistula administration. Saline administration had no effect. These data suggested that endogenous NMS has a strong effect on the function of the suprachiasmatic nucleus via the receptor.
- Example 14 After administration of rat NUNP-36 or rat NSNP-37 prepared in the method described in 4 and dissolved in physiological saline, blood was decapitated in 20 minutes, or after peptide administration, each time from the tail vein Blood was collected. Prolactin was measured using RIA kit (Araersham). In addition, the The contact effect was examined. Anterior pituitary cells were prepared from Wistar rats (5-week-old male), cultured in 96-well plates (5.0 ⁇ 10 4 cells / well) for 2 days, and used for experiments. After the addition of rat NUNP-36 or rat NSNP-37, the culture supernatant was collected 30 minutes later, and the prolactin concentration was measured.
- rat NUNP-36 Blood was collected 20 minutes after central administration of rat NUNP-36 or rat NSNP-37, and blood hormone levels were measured. As a result, rat NUNP-36 was administered with saline, whereas blood prolactin concentration significantly increased. (Saline, 7.35 soil 1.53 ng / ml; NUNP lnmol, 68.74 soil 10.4 ng / ml). Rat NSNP-37 also had a weak but significant increase (27.34, 5.63 ng / ml).
- Example 14 Rat NMS 1 nmol prepared by the method described in 4 and dissolved in physiological saline was administered centrally, and blood hormone levels were measured. As a result, the NMS administration group was compared to the saline administration group. The blood prolactin concentration was significantly decreased (saline, 13.1 ⁇ 1.8 ng / ral; NMS lnmol, 3.6 soil 1.2 ng / ml, p 0.0001). NMS has been shown to suppress prolactin secretion by central administration. Industrial applicability
- SEQ ID NO: 1 SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4, SEQ ID NO: 5 or the same or substantially the same as the amino acid sequence represented by SEQ ID NO: 6
- SEQ ID NO: 7 SEQ ID NO: 8, SEQ ID NO: 9, SEQ ID NO: 1 0, SEQ ID NO: 1 1 or SEQ ID NO: 1 2 is identical or substantially identical to the amino acid sequence represented by SEQ ID NO: 1 2
- a polynucleotide containing a polynucleotide encoding the above polypeptide or a partial peptide thereof and
- a compound or its salt that promotes the activity of its partial peptide or its salt has a prolactin secretion action and is useful for the prevention and treatment of, for example, climacteric disorder and hyperthyroidism.
- SEQ ID NO: 1 SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4, SEQ ID NO: 5 or the same or substantially the same as the amino acid sequence represented by SEQ ID NO: 6
- a protein containing the same or substantially the same amino acid sequence represented by 5 or its partial peptide or a salt thereof is, for example, hypotension, obesity, lethargy, time-zone change syndrome, infertility , High blood pressure, anorexia, are useful for the screening of prevention * Osam
- SEQ ID NO: 7 SEQ ID NO: 8, SEQ ID NO: 9, SEQ ID NO: 1 0, SEQ ID NO: 1 1 or SEQ ID NO: 1 2 is identical or substantially identical to the amino acid sequence represented by SEQ ID NO: 1 2
- Polypeptides or partial peptides thereof or salts thereof are useful for screening prophylactic / therapeutic agents such as menopause, hyperthyroidism, infertility, and thyroid dysfunction. is there.
- a polypeptide containing substantially the same amino acid sequence or a partial peptide or salt thereof can be used, for example, for the prevention and treatment of climacteric disorder, hyperthyroidism, infertility, and thyroid dysfunction. Useful.
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Abstract
Description
Claims
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JP2006549093A JP5317318B2 (ja) | 2004-12-24 | 2005-12-22 | 新規ポリペプチドおよびその用途 |
CA2592201A CA2592201C (en) | 2004-12-24 | 2005-12-22 | Neuromedin s and the use thereof |
EP05822348A EP1829969B1 (en) | 2004-12-24 | 2005-12-22 | Novel polypeptide and the use thereof |
ES05822348T ES2399831T3 (es) | 2004-12-24 | 2005-12-22 | Nuevo polipéptido y su uso |
US11/793,760 US7943580B2 (en) | 2004-12-24 | 2005-12-22 | Polypeptide and the use thereof |
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Cited By (2)
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WO2007075439A2 (en) * | 2005-12-16 | 2007-07-05 | Amylin Pharmaceuticals, Inc. | Compositions and methods for treating obesity and related metabolic disorders |
WO2008097536A3 (en) * | 2007-02-05 | 2009-03-05 | Amylin Pharmaceuticals Inc | Compositions and methods for treating psychiatric diseases and disorders |
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US20100234306A1 (en) * | 2007-09-11 | 2010-09-16 | Dorian Bevec | Use of a peptide as a therapeutic agent |
RU2010114024A (ru) * | 2007-09-11 | 2011-10-20 | Мондобайотек Лабораториз Аг (Li) | Применение гонадорелина в качестве терапевтического средства |
US9556242B2 (en) | 2011-01-24 | 2017-01-31 | Anygen Co., Ltd. | Method for regulating circadian rhythms |
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WO1998058962A1 (en) * | 1997-06-23 | 1998-12-30 | Takeda Chemical Industries, Ltd. | Prolactin secretion modulator |
WO2000002918A1 (en) | 1998-07-10 | 2000-01-20 | Merck & Co., Inc. | Mouse growth hormone secretagogue receptor |
WO2001040797A1 (fr) * | 1999-11-29 | 2001-06-07 | Takeda Chemical Industries, Ltd. | Procede de criblage |
WO2001057524A1 (fr) | 2000-02-04 | 2001-08-09 | Takeda Chemical Industries, Ltd. | Procede de criblage |
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JP2001309792A (ja) * | 1999-11-29 | 2001-11-06 | Takeda Chem Ind Ltd | スクリーニング方法 |
JP4637378B2 (ja) * | 2000-02-04 | 2011-02-23 | 武田薬品工業株式会社 | スクリーニング方法 |
WO2001081418A1 (en) * | 2000-04-27 | 2001-11-01 | Merck & Co., Inc. | New neuromedin u receptor nmur2 and nucleotides encoding it |
US8076288B2 (en) * | 2004-02-11 | 2011-12-13 | Amylin Pharmaceuticals, Inc. | Hybrid polypeptides having glucose lowering activity |
-
2005
- 2005-12-22 EP EP05822348A patent/EP1829969B1/en not_active Not-in-force
- 2005-12-22 WO PCT/JP2005/024188 patent/WO2006068326A1/ja active Application Filing
- 2005-12-22 JP JP2006549093A patent/JP5317318B2/ja not_active Expired - Fee Related
- 2005-12-22 US US11/793,760 patent/US7943580B2/en not_active Expired - Fee Related
- 2005-12-22 CA CA2592201A patent/CA2592201C/en not_active Expired - Fee Related
- 2005-12-22 ES ES05822348T patent/ES2399831T3/es active Active
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WO1998058962A1 (en) * | 1997-06-23 | 1998-12-30 | Takeda Chemical Industries, Ltd. | Prolactin secretion modulator |
WO2000002918A1 (en) | 1998-07-10 | 2000-01-20 | Merck & Co., Inc. | Mouse growth hormone secretagogue receptor |
WO2001040797A1 (fr) * | 1999-11-29 | 2001-06-07 | Takeda Chemical Industries, Ltd. | Procede de criblage |
WO2001057524A1 (fr) | 2000-02-04 | 2001-08-09 | Takeda Chemical Industries, Ltd. | Procede de criblage |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2007075439A2 (en) * | 2005-12-16 | 2007-07-05 | Amylin Pharmaceuticals, Inc. | Compositions and methods for treating obesity and related metabolic disorders |
WO2007075439A3 (en) * | 2005-12-16 | 2007-12-06 | Amylin Pharmaceuticals Inc | Compositions and methods for treating obesity and related metabolic disorders |
WO2008097536A3 (en) * | 2007-02-05 | 2009-03-05 | Amylin Pharmaceuticals Inc | Compositions and methods for treating psychiatric diseases and disorders |
Also Published As
Publication number | Publication date |
---|---|
JP5317318B2 (ja) | 2013-10-16 |
ES2399831T3 (es) | 2013-04-03 |
EP1829969B1 (en) | 2012-11-28 |
CA2592201C (en) | 2016-08-09 |
CA2592201A1 (en) | 2006-06-29 |
EP1829969A1 (en) | 2007-09-05 |
EP1829969A4 (en) | 2008-07-30 |
US7943580B2 (en) | 2011-05-17 |
US20080124335A1 (en) | 2008-05-29 |
JPWO2006068326A1 (ja) | 2008-06-12 |
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