WO2004037863A1 - 抗体およびその用途 - Google Patents
抗体およびその用途 Download PDFInfo
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- WO2004037863A1 WO2004037863A1 PCT/JP2003/013528 JP0313528W WO2004037863A1 WO 2004037863 A1 WO2004037863 A1 WO 2004037863A1 JP 0313528 W JP0313528 W JP 0313528W WO 2004037863 A1 WO2004037863 A1 WO 2004037863A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
- C07K16/18—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
- C07K16/26—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against hormones ; against hormone releasing or inhibiting factors
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P13/00—Drugs for disorders of the urinary system
- A61P13/10—Drugs for disorders of the urinary system of the bladder
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P13/00—Drugs for disorders of the urinary system
- A61P13/12—Drugs for disorders of the urinary system of the kidneys
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/14—Drugs for disorders of the nervous system for treating abnormal movements, e.g. chorea, dyskinesia
- A61P25/16—Anti-Parkinson drugs
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/18—Antipsychotics, i.e. neuroleptics; Drugs for mania or schizophrenia
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/20—Hypnotics; Sedatives
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/22—Anxiolytics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/24—Antidepressants
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P25/00—Drugs for disorders of the nervous system
- A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/02—Non-specific cardiovascular stimulants, e.g. drugs for syncope, antihypotensives
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/04—Inotropic agents, i.e. stimulants of cardiac contraction; Drugs for heart failure
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/06—Antiarrhythmics
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/12—Antihypertensives
Definitions
- the present invention relates to an amino acid represented by the sequence number: 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 or SEQ ID NO: 8.
- the present invention relates to an antibody having binding specificity to a partial peptide on the C-terminal side of a polypeptide having an acid sequence or a derivative thereof. More specifically, the present invention relates to an antibody useful for the development of a method for quantifying the polypeptide or a derivative thereof based on an antigen-antibody reaction, and for the diagnosis and prevention / treatment of diseases involving the polypeptide or the derivative thereof.
- Perotinsin II is a peptide originally found in the tail pituitary gland of fish, and is known to be involved in cardiovascular regulation, osmoregulation, and lipid metabolism in fish.
- Perotinsin 11 shows a blood pressure lowering effect by intravenous administration to mammals such as rats, and a contractile or relaxing activity on vascular specimens, and the specific binding of labeled perotinsin 11 to membranes prepared from rat blood vessels. Therefore, it was anticipated that a homolog of perotinsin II would exist in mammals, function as an endogenous peptide, and that its specific receptor would exist in mammals (J. Exp. Zool ., Volume 275, pp. 226-238, 1996). And as expected, it was shown that the precursor gene for perotinsin II is present in fish, fish, and even in mice, rats, and hides (Proc. Natl. Acad. Sci. USA, 95, 15803-15808, 1998.
- perotinsin II as a mature peptide processed from the precursor gene was purified and isolated from porcine spinal cord, and it was shown that perotinsin II actually exists as a peptide in mammals (Biochem. Biophys. Res. Commun., 265, 123-129, 1999, WO 00/32627).
- human and rat GPR14 (SENR), an orphan receptor of unknown ligand (Genomics, Vol. 29, pp. 335-344, 1995, Bichem.
- Biophys. Res. Commun., Vol. 209, pp. 752-759, 1995 is a functional receptor for ⁇ rotensin ⁇ .
- Administering ⁇ rotensin II as a candidate ligand to animal cells expressing the GPR14 receptor protein (WO 01/04298, Nature, 401, 282-286, 1999, Biochem. Biophys. Res. Co bandad un., 266, 174-178, 1999, Nature Cell Biol., Vol. 1, pp. 383-385, 1999) or the purification of perotinsin II, which is a ligand active substance, from animal tissue extracts using the reactivity of receptor-expressing cells as an index (Biochem. Biophys. Res. Co. basket, 265, 123-129, 1999, WO 00/3262).
- perotinsin II Prior to the discovery of homologous peptides and receptors in mammals, perotinsin II was found to have extremely potent vasoconstrictor activity using goby mouth tensin II and rat thoracic aorta. Am. J. Phys., 21, R361-R366, 1987, Eur. J. Pharmacol., 149, 6-66, 1988) has also been confirmed using A. niger Tensin II. (Nature, 401, 282-286, 1999). Furthermore, intravenous administration of perotinsin II to monkeys has been shown to reduce blood flow due to systemic vasoconstriction and to cause heart failure due to coronary vasoconstriction (Nature, 401, 282-286, 1999). Year) .
- the present inventors have conducted intensive studies to solve the above problems, and as a result, produced a plurality of monoclonal antibodies recognizing perotinsin II and developed an excellent method for measuring perotinsin II using the antibodies. did. As a result of further research, Ming has been completed.
- An antibody that specifically reacts with the C-terminal partial peptide of the derivative SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4, SEQ ID NO: 5, SEQ ID NO: 6 or SEQ ID NO: 8, or a polypeptide thereof
- the partial peptide at the C-terminal side is: (i) the 5th to 10th amino acid sequence of SEQ ID NO: 1, (ii) SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4 or SEQ ID NO: 6th to 11th amino acid sequence of 6, (iii) SEQ ID NO: 8th to 13th amino acid sequence of 5, (iv) SEQ ID NO: 2nd to 7th of 7
- the fanciform of (1) above which is a peptide having an amino acid sequence of the 8th to 13th amino acids of SEQ ID NO: 8;
- AUI1 5-6-10 (FERM, BP-8221) AUII5-6-10a which can be produced from the hybridoma cells
- 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: 6, characterized by using the antibody described in (1) above. 7 or a method for quantifying a polypeptide having the amino acid sequence represented by SEQ ID NO: 8 or a derivative thereof,
- FIG. 1 shows the results of examining the antibody titer of mice immunized with goby mouth tensin II using biotin-labeled gobypertensin II and HRP-labeled avidin.
- the mouth is mouse No. 1
- the country is mouse No. 2
- the triangle is mouse No. 3
- the hata is mouse No. 4
- the triangle is mouse No. 5
- the triangle is mouse No. 6.
- ⁇ indicates mouse No. 7
- ⁇ indicates mouse No. 8
- X represents a non-immunized mouse.
- FIG. 2 shows a typical example of screening for a hybridoma after cell fusion using a mouse immunized with goby mouth tensin 11.
- b shows the absence of pig urotensin II-1
- the drawing shows the addition of pig urotensin 11-1.
- Fig. 3 shows AUII5-6-10a of human porcine tensin 11 (—low), porcine urotensin II-1 (_ ⁇ _), porcine tensin II (_ ⁇ _), rat porcine tensin II (— ⁇ -1)
- the results obtained by examining the reactivity to octaprotensin II (-X-) and zeperotinsin II by a competition method using biotin-labeled vaserotensin 11 and HRP-labeled avidin-EIA are shown.
- FIG. 4 shows human porcine tensin II (one bite), porcine urotensin II-1 (_-1), porcine porcine tensin II (1-1), and rat porcine tensin II (1-1) of AUII103-5-41a.
- FIG. 3 shows the results obtained by examining the reactivity to goat mouth tensin II (-X-) by a competition method using biotin-labeled hazelopentensin II and miRP-labeled avidin-EIA.
- Fig. 5 shows the AUII5-6-10a human porcine tensin II (one bite), porcine urotensin II-1 (1-1), porcine tensin II (- ⁇ -), rat porcine tensin II (_ ⁇ -1) 2 shows the results of the neutralizing action of goat tensin II (-X-) on the arachidonic acid metabolite release activity from rat GPR14 receptor-expressing CH0 cells.
- FIG. 6 shows the inhibitory effect of intracerebroventricularly administered AUII5-6-10a on anxiety-like behavior.
- a on the horizontal axis indicates the group administered with mouse IgG (unrestrained stress)
- B indicates the group administered with mouse IgG (restrained stress load)
- C indicates the group administered AUII5-6-10a (restraint stress load)
- the axis represents the number of gazes.
- the protein has the N-terminus (amino terminus) at the left end and the C-terminus (carboxyl terminus) at the right end, according to the convention of peptide labeling.
- the protein used in the present invention including the polypeptide having the amino acid sequence represented by SEQ ID NO: 1, may have any of a C-terminal hepoxyl group, carboxylate, amide, or ester.
- Polypeptide having the amino acid sequence represented by 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 or SEQ ID NO: 8 And derivatives thereof may be hereinafter referred to as the peptide of the present invention.
- polypeptides having the amino acid sequence represented by SEQ ID NO: 9 and derivatives thereof are also included in the peptides of the present invention.
- the above derivative is represented by, for example, 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, or SEQ ID NO: 8.
- Examples of derivatives of (i) are those in which one or more (eg, 1 to 5, preferably 1 or 2) amino acids in the above amino acid sequence are deleted, and (ii) Or two or more (eg, 1 to 5, preferably 1 or 2) amino acids added; (iii) one or more (eg, 1 to 5, preferably 1 or 2) (Iv) 1 or 2 or more (for example, 1 to 5, preferably 1 or 2) amino acids in the above amino acid sequence have been substituted with another amino acid Things.
- 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.
- the peptide on the C-terminal side of the peptide of the present invention includes: (i) a peptide having the 5th to 10th amino acid sequence of SEQ ID NO: 1, (ii) a SEQ ID NO: 2 A peptide having the 6th to 11th amino acid sequence of SEQ ID NO: 3, SEQ ID NO: 4 or SEQ ID NO: 6, (iii) the 8th to 13th amino acid sequence of SEQ ID NO: 5 (Iv) a peptide having the 2nd to 7th amino acid sequence of SEQ ID NO: 7, (V) a peptide having the 8th to 13th amino acid sequence of SEQ ID NO: 8, and (Vi) Examples include those in which some amino acid residues (eg, one) of these peptides are substituted with a substitutable group.
- Examples of the partial peptide on the N-terminal side of the peptide of the present invention include (i) a peptide having the first to fifth amino acid sequences of SEQ ID NO: 1, (ii) a SEQ ID NO: 2, SEQ ID NO: : 3, SEQ ID NO: 4 or SEQ ID NO: 6, 1st to 6th (Iii) a peptide having the first to eighth amino acid sequence of SEQ ID NO: 5, (iv) a first to eighth amino acid sequence of SEQ ID NO: 8 And (V) those in which some amino acid residues (eg, one) of these polypeptides are substituted with a substitutable group. '
- the antibody that specifically reacts with the C-terminal partial peptide of the peptide of the present invention may be any antibody that specifically reacts with the C-terminal partial peptide of the peptide of the present invention.
- a monoclonal antibody As an antibody that specifically reacts with the partial peptide on the C-terminal side of the peptide of the present invention, a monoclonal antibody is more preferable.
- Preferred examples include the monoclonal antibody AU II 103-6-5, which can be produced from the hybridoma cells represented by AU II 5-6-10 (FERM BP-8221). -41 (FERM BP-8220), and a monoclonal antibody represented by AU I1103-5-41a, which can be produced from the hybridoma cell represented by FERM BP-8220.
- an antibody that specifically reacts with the partial peptide at the C-terminal side of the peptide of the present invention can recognize the specific amino acid sequence at the C-terminal side of the peptide of the present invention, Can react with peptides.
- an antibody that specifically reacts with the partial peptide at the N-terminal side of the peptide of the present invention Any peptide that specifically reacts with the partial peptide on the N-terminal side of the clear peptide may be used.
- Such antibodies include (i) a peptide having the first to fifth amino acid sequences of SEQ ID NO: 1, (ii) SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4 or sequence A peptide having the first to sixth amino acid sequences of SEQ ID NO: 6; (iii) a peptide having the first to eighth amino acid sequences of SEQ ID NO: 5; (iv) the first peptide having SEQ ID NO: 8 Specifically reacts with a peptide having the amino acid sequence from the 8th to the 8th amino acid sequence, and (V) those in which some amino acid residues (eg, one) of these polypeptides have been substituted with a substitutable group.
- Antibodies Antibodies.
- an antibody that specifically reacts with the N-terminal partial peptide of the peptide of the present invention a monoclonal antibody is more preferable.
- an antibody which specifically reacts with the partial peptide at the N-terminal side of the peptide of the present invention but does not react with the partial peptide at the C-terminal side is more preferable.
- an antibody that specifically reacts with the partial peptide at the N-terminal side of the peptide of the present invention can recognize the specific amino acid sequence at the N-terminal side of the peptide of the present invention, Can react with peptides.
- the method for preparing the antigen of the antibody of the present invention and the method for producing the antibody are described below.
- any of the peptide of the present invention for example, any of the peptide of the present invention, a synthetic peptide having one or more of the same antigenic determinants as the peptide of the present invention can be used. (Hereinafter, these may be simply referred to as the antigen of the present invention). .
- the peptide of the present invention can be obtained by a method known in the art from a tissue or cell such as a mammal (eg, human, mouse, rat, mouse, mouse, monkey, etc.), fish (eg, goby, etc.) or a method analogous thereto.
- B chemically synthesized by a known peptide synthesis method using a peptide synthesizer, or (c) culturing a transformant containing DNA encoding the peptide of the present invention. It can be manufactured by (a) When the antigen of the present invention is prepared from tissues or cells of the mammal or fish, the tissues or cells are homogenized, and then extracted with an acid, alcohol, or the like. The antigen is purified and isolated by a combination of chromatography such as salting out, dialysis, gel filtration, reverse phase chromatography, ion exchange chromatography, and affinity chromatography to prepare the antigen of the present invention.
- chromatography such as salting out, dialysis,
- Synthetic peptides used for chemically synthesizing the antigen of the present invention include, for example, those having the same structure as the antigen of the present invention purified from nature, and amino acids such as peptides of the present invention. Examples include a peptide containing one or more amino acid sequences identical to the amino acid sequence at an arbitrary position consisting of two or more, preferably three or more amino acids in the sequence.
- the DNA may be prepared by a known cloning method (for example, Molecular Cloning (2nd ed .; J. Sarabrook et al., Cold Spring Harbor Lab. Press, 1989). As the cloning method,
- DNA encoding the peptide of the present invention from a cDNA library by a hybridization method using a DNA probe or a DNA primer designed based on the amino acid sequence of the peptide of the present invention.
- the peptide as the antigen of the present invention may be prepared by (1) a known peptide synthesis method, or (2) SEQ ID NO: 1, SEQ ID NO: 2, SEQ ID NO: 3, SEQ ID NO: 4, SEQ ID NO: 5, It can be prepared by cleaving a peptide having an amino acid sequence represented by SEQ ID NO: 6, SEQ ID NO: 7 or SEQ ID NO: 8 with an appropriate peptidase.
- any of a solid phase synthesis method and a liquid phase synthesis method may be used. That is, the partial peptide or amino acid that can constitute the peptide is condensed with the remaining portion, and when the product has a protecting group, the protecting group is removed. Thus, the desired peptide can be produced.
- condensation methods and elimination of protecting groups include the methods described in the following (i) or (ii).
- the peptide can be purified and isolated by a combination of ordinary purification methods such as solvent extraction, distillation, column chromatography, liquid chromatography, and recrystallization.
- the peptide obtained by the above method is a free form, it can be converted to an appropriate salt by a known method.
- the peptide is obtained by a salt, it is converted to a free form by a known method. be able to.
- the amide form of the peptide can be obtained using a commercially available resin for peptide synthesis suitable for amide formation.
- resins include chloromethyl resin, hydroxymethyl resin, benzhydrylamine resin, aminomethyl resin, 4 resin, PAM resin, and 4-hydroxymethylmethylphenylacetamidomethyl resin.
- an amino acid having an ⁇ -amino group and a side chain functional group appropriately protected is condensed on the resin according to the sequence of the target peptide according to various known condensation methods.
- the peptide is cleaved from the resin and at the same time, various protecting groups are removed to obtain the desired peptide.
- a partially protected peptide can be taken out using a resin such as a trityl resin, an oxime resin, or a 4-hydroxybenzoic acid-based resin, and the protecting group can be removed by a conventional method to obtain the desired peptide.
- carbodiimides are preferably used.
- carbodiimides include DC C, N, N'-diisopropyl Carpoimide, N-Nethyl-N '-(3.-dimethylaminoprolyl) carbopimide, and the like.
- the protected amino acid is added directly to the resin together with a racemization inhibitor (eg, H ⁇ Bt, HOOBt, etc.) or symmetrical acid anhydrides or HOBT esters Alternatively, it can be added to the resin after activating the amino acid protected in advance as an H ⁇ OB t ester.
- a racemization inhibitor eg, H ⁇ Bt, HOOBt, etc.
- symmetrical acid anhydrides or HOBT esters e.g., symmetrical acid anhydrides or HOBT esters
- the solvent used for activating the protected amino acid or condensing with the resin can be appropriately selected from solvents known to be usable for peptide condensation reactions.
- Such a solvent examples include acid amides such as N, N-dimethylformamide, N, N-dimethylacetamide and N-methylpyrrolidone; halogenated hydrocarbons such as methylene chloride and chloroform; Alcohols such as trifluoroethanol, sulfoxides such as dimethyl sulfoxide, tertiary amines such as pyridine, ethers such as dioxane and tetrahydrofuran, nitriles such as acetonitrile and propionitrile, methyl acetate, and ethyl acetate And the like, or an appropriate mixture thereof, are used as a solvent for activating a protected amino acid or condensing with a resin.
- acid amides such as N, N-dimethylformamide, N, N-dimethylacetamide and N-methylpyrrolidone
- halogenated hydrocarbons such as methylene chloride and chloroform
- Alcohols such as trifluor
- the reaction temperature is appropriately selected from a range known to be usable for the peptide bond formation reaction, and is usually appropriately selected from a range of about 120 ° C to about 50 ° C.
- the activated amino acid derivative is usually used in about 1.5 to about 4-fold excess.
- Examples of the protecting group for the amino group of the starting amino acid include Z, Boc, tertiary pentyloxycarponyl, isoporiloxylcarponyl, 4-methoxybenzyloxycarponyl, C11Z, Br-Z Adamantyloxycarponyl, trifluoroacetyl, phthaloyl, formyl, 2-ditrophenylsulfenyl, diphenylphosphinothioyl, Fmoc and the like.
- the protecting group of the force Rupokishiru group include an alkyl group, C 3 _ 8 Kuroaru Kill group, C 7 - another 14 Ararukiru group, 2-Adamanchiru, 4 twelve Torobenjiru, 4-methoxybenzyl, 4-black port benzyl, Fuenashiru group and downy Njiruoki deer Lupo hydrazide, evening Sharibu Bok carboxymethyl Cal Poni hydrazide, tri Chill Hydrazide and the like.
- the hydroxyl groups of serine and threonine can be protected, for example, by esterification or etherification.
- Suitable groups for this esterification include, for example, lower (Cw) alkanol groups such as an acetyl group, aroyl groups such as a benzoyl group, and groups derived from carbonic acid such as a benzyloxycarbonyl group and an ethoxycarbonyl group.
- groups suitable for etherification include, for example, a benzyl group, a tetrahydropyranyl group, and a short-butyl group.
- Examples of the protecting group for the phenolic hydroxyl group of tyrosine include Bz1, Cl_Bzl, 2-nitrobenzyl, Br—Z, tertiary butyl and the like. ,
- Examples of the protecting group for histidine imidazole include Tos, 4-methoxy-2,3,6-trimethylbenzenesulfonyl, DNP, Bom, Bum, Boc, Trt, and Fmoc.
- Activated versions of the raw propyloxyl groups include, for example, the corresponding acid anhydrides, azides, active esters [alcohols (eg, pentachlorophenol, 2,4,5-trichlorophenol, 2, 4-dinitrophenol, cyanomethyl alcohol, paranitrophenol, ⁇ , ⁇ -hydroxysuccinimide, ⁇ -hydroxyfurimide, ester with HOB t)].
- the activated amino group of the raw material includes, for example, the corresponding phosphoramide.
- Methods for removing (eliminating) the protecting group include catalytic reduction in the presence of a catalyst such as Pd-black or Pd-carbon in a stream of hydrogen, hydrogen fluoride anhydride, methyl sulfonic acid, and trifluoromethane.
- a catalyst such as Pd-black or Pd-carbon in a stream of hydrogen, hydrogen fluoride anhydride, methyl sulfonic acid, and trifluoromethane.
- the elimination reaction by the above acid treatment is generally In the acid treatment, anisol, phenol, thioanisole, methacresol, paracresol, dimethyl sulfide, 1,4-butanedithiol, 1,2 Addition of a cation scavenger such as monoethanedithiol is effective.
- a cation scavenger such as monoethanedithiol
- the 2,4-dinitrophenyl group used as an imidazole protecting group of histidine is removed by thiophenol treatment, and the formyl group used as an indole protecting group of tributofan is 1,2-ethanedithiol, 1,4-butanedithiol, etc.
- alkali treatment with dilute sodium hydroxide, dilute ammonia and the like.
- the protection of the functional group which should not be involved in the reaction of the raw material, the protecting group, the elimination of the protective group, the activation of the functional group involved in the reaction, and the like can be appropriately selected from known groups or known means.
- an amide form of a peptide first, amidating the ⁇ -carboxyl group of the amino acid at the terminal end of lipoxyl, and then extending the peptide chain to the desired length on the amino group side, And a peptide (or amino acid) from which only the protecting group for the carboxyl group at the C-terminus is removed, and both peptides are prepared as described above.
- a method of condensing in a mixed solvent may be mentioned. 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 a desired crude peptide can be obtained.
- the crude peptide is purified by using various known purification means, and the main fraction is freeze-dried to obtain an amide of the desired peptide.
- the ⁇ -hydroxyl group of the amino acid at the terminal of the carboxy group is condensed with a desired alcohol to form an amino acid ester, and then the ester of the desired peptide is prepared in the same manner as the amide of the peptide. You can get the body.
- the antigen of the present invention can also be used to directly immunize the insolubilized antigen. Further, a complex obtained by binding or adsorbing the antigen of the present invention to a suitable carrier may be immunized.
- the mixing ratio between the carrier (carrier) and the antigen (hapten) of the present invention may be any ratio as long as the antibody can be efficiently produced with respect to the antigen of the present invention bonded or adsorbed to the carrier. May be bound or adsorbed in any ratio, and a polymer carrier commonly used for preparing antibodies to octene is usually used in a weight ratio of 0.1 to 1 hapten.
- a polymer carrier examples include a natural polymer carrier and a synthetic polymer carrier.
- Natural polymer carriers include, for example, serum albumin of mammals such as horses, egrets and humans; thyroglobulin of mammals such as horses and egrets; Hemoglobin, KHL hemosyanin and the like are used.
- synthetic polymer carrier for example, polymers such as polyamino acids, polystyrenes, polyacryls, polyvinyls, and polypropylenes, or various latexes such as a copolymer can be used.
- various condensing agents can be used for force coupling between the hapten and the carrier.
- the condensing agent include diazonium compounds such as bisdiazobenzidine which crosslinks tyrosine, histidine, and tributofan; dialdehyde compounds such as glutaraldebit which crosslink amino groups; and toluene-2,4-diisopropylate.
- diazonium compounds such as bisdiazobenzidine which crosslinks tyrosine, histidine, and tributofan
- dialdehyde compounds such as glutaraldebit which crosslink amino groups
- toluene-2,4-diisopropylate Diisocyanate compounds
- dimaleimide compounds such as N, ⁇ '-0-phenylenedimaleimide which crosslink thiol groups
- maleimide active ester compounds which crosslink amino groups and thiol groups
- carpoimides which crosslink amino groups and carboxylic groups Compounds and the like
- a thiol group is introduced by reacting an active ester reagent having a dithiopyridyl group with one of the amino groups (eg, SPDP), followed by reduction, to thereby introduce the thiol group.
- an active ester reagent having a dithiopyridyl group with one of the amino groups (eg, SPDP), followed by reduction, to thereby introduce the thiol group.
- the antigen of the present invention is administered to a warm-blooded animal alone or together with a carrier or diluent to a site where antibody production is possible, by an administration method such as intraperitoneal injection, intravenous injection, or subcutaneous injection. Is done. Complete Freund's adjuvant / incomplete Freund's adjuvant may be administered in order to enhance the antibody-producing ability upon administration. The administration is usually performed once every 2 to 6 weeks, for a total of about 2 to 10 times. Examples of warm-blooded animals include monkeys, egrets, dogs, guinea pigs, mice, rats, sheep, Goats, chickens and the like can be mentioned, but mouse is preferably used for preparing monoclonal antibodies.
- a warm-blooded animal immunized with the antigen of the present invention for example, an individual having a bovine titer is selected from a mouse, and the spleen or lymph node is collected 2 to 5 days after the final immunization.
- a monoclonal antibody-producing hybridoma of the peptide of the present invention can be prepared.
- the antibody titer of the peptide of the present invention in the serum can be measured, for example, by reacting the below-described peptide of the present invention with an antiserum, and then measuring the activity of a labeling agent bound to the antibody.
- the fusion operation can be carried out according to a known method, for example, the method of Kellar and Milstein (Nature, 256, 495, 1975).
- the fusion promoter include polyethylene glycol (PEG) and Sendai virus, and PEG is preferably used.
- PEG polyethylene glycol
- myeloma cells include NS-1, P3U1, SP2 / 0, AP-1, and the like, and P3U1 is preferably used.
- the preferred ratio between the number of antibody-producing cells (spleen cells) and the number of bone marrow cells used is usually about 1: 1 to 20: 1, and the concentration of PEG (preferably PEG 1000 to PEG6000) is about 10 to 80%.
- the cell fusion can be carried out efficiently by incubating at 20 to 40 ° C, preferably 30 to 37 ° C, usually for 1 to 10 minutes.
- hybridoma culture on a solid phase eg, a microplate
- a solid phase eg, a microplate
- a mouse immunoglobulin antibody is used.
- a method for detecting the monoclonal antibody of the present invention bound to a solid phase by adding protein A, an anti-immunoglobulin antibody or protein
- the hybridoma culture supernatant is added to the solid phase to which A has been adsorbed, the peptide of the present invention labeled with a radioactive substance, an enzyme, or the like is added, and the monoclonal antibody of the present invention bound to the solid phase is detected. How to put out is captured. Screening and breeding of the monoclonal antibody of the present invention is usually performed by adding HAT (hypoxanthine, aminopterin, thymidine).
- HAT hyperxanthine, aminopterin, thymidine
- the antibody titer of the hybridoma culture supernatant can be measured in the same manner as the above-described antibody titer of the antibody of the present invention in the antiserum.
- Separation and purification of the monoclonal antibody against the peptide of the present invention can be carried out by the same method as that used for the separation and purification of normal monoclonal antibodies (eg, salting out, alcohol precipitation, isoelectric precipitation; Electrophoresis, adsorption / desorption using an ion exchanger (eg, DEAE), ultracentrifugation, gel filtration, antigen-bound solid phase or active adsorbent such as protein A or protein G. Specific purification method for obtaining an antibody by dissociation).
- the antibody of the present invention can be produced by culturing the hybridoma cells in vivo or in vitro of a warm-blooded animal and collecting the antibody from the body fluid or culture.
- the antibody of the present invention can quantify the peptide of the present invention with high sensitivity.
- the use of the antibody of the present invention such as the method for quantifying the peptide of the present invention (immunoassay) and the medicament containing the vesicle of the present invention, will be described in detail.
- the peptide of the present invention can be measured or detected by tissue staining or the like.
- the antibody molecule itself may be used, or the F (ab ') 2, Fal)' or Fab fraction of the antibody molecule may be used.
- the measurement method using the antibody of the present invention is not particularly limited, and the amount of the antibody, the antigen, or the antibody-antigen complex corresponding to the amount of the antigen (for example, the amount of the peptide of the present invention) in the liquid to be measured is measured. Any measurement method may be used as long as it is detected by physical or physical means, and is prepared and calculated using a standard solution containing a known amount of the antigen.
- a sandwich method for example, a sandwich method, a competition method, an immunometric method, a nephrometry method and the like are used, and a competition method described later is preferable in terms of sensitivity and specificity.
- a competition law for example, a sandwich method, a competition method, an immunometric method, a nephrometry method and the like are used, and a competition method described later is preferable in terms of sensitivity and specificity.
- the competition method involves competitively reacting the antibody of the present invention, a test solution, and a labeled peptide of the present invention, and measuring the ratio of the labeled peptide of the present invention bound to the antibody.
- This is a quantitative method for quantifying the peptide of the present invention in a test solution.
- the quantification of the peptide of the present invention in the test solution by the competition method is preferably performed, for example, by using a solid phase immobilization method.
- an anti-mouse IgG antibody is used as the solid phase antibody.
- an antibody of the present invention eg, a monoclonal antibody represented by AUII5-6-10a or AUII103_5-41a
- a peptide of the present invention labeled with HRP e.g., HRP activity adsorbed on the solid phase is measured to quantify the peptide of the present invention.
- the sandwich method comprises reacting an antibody of the present invention, a labeled antibody of the present invention, and a test solution which are insolubilized on a carrier, and then measuring the activity of the labeling agent to obtain the peptide of the present invention in the test solution.
- a method for quantifying the peptide of the present invention in a test solution preferably, a monoclonal antibody represented by AUII5-6-10a or AUII103-5-41a
- an antibody that reacts specifically with a partial peptide on the C-terminal side of the peptide of the present invention insolubilized on a carrier preferably labeled with AUII5-6-10a or AUII103-5-41a) A monoclonal antibody
- a carrier preferably labeled with AUII5-6-10a or AUII103-5-41a
- a monoclonal antibody after reacting an antibody specifically reacting with the partial peptide at the N. terminal side of the labeled peptide of the present invention and a test solution, and then measuring the activity of the labeling agent.
- the body or the peptide of the present invention that specifically reacts with the C-terminal partial peptide of the insolubilized peptide of the present invention is used in the sandwich method.
- the test solution is reacted with an antibody that specifically reacts with the partial peptide on the N-terminal side of the peptide (primary reaction), and is further specific to the partial peptide on the C-terminal side of the labeled peptide of the present invention.
- Primary reaction an antibody that specifically reacts with the partial peptide on the N-terminal side of the peptide
- secondary reaction Measuring the activity of the labeling agent on the insolubilized carrier after reacting (secondary reaction) with an antibody that reacts specifically or a body that specifically reacts with the N-terminal partial peptide of the peptide of the present invention.
- the primary reaction and the secondary reaction may be carried out at the same time or at different times.
- the labeling agent and the method of insolubilization can be in accordance with those described above.
- the antibody used for the solid phase carrier or the labeling antibody does not necessarily need to be one type, and two or more types of antibodies are used for the purpose of improving measurement sensitivity and the like. Mixtures may be used.
- the antibody used in the secondary reaction is An antibody that recognizes a peptide other than the C-terminal partial peptide (ie, the N-terminal side) is preferable.
- the antibody used in the primary reaction recognizes the N-terminal partial peptide of the peptide of the present invention, 2
- an antibody that recognizes a peptide other than the N-terminal partial peptide ie, the C-terminal is preferably used.
- an antigen in a test solution and a solid-phased antigen are subjected to a competitive reaction with a fixed amount of the labeled antibody of the present invention, and then the solid phase and the liquid phase are separated. Reacts the antigen in the test wave with an excessive amount of the labeled antibody of the present invention, then adds the solid-phased antigen and binds the unreacted labeled antibody of the present invention to the solid phase. Separate the solid and liquid phases. Next, the amount of label in either phase is measured to determine the amount of antigen in the test solution.
- Nephrometry In nephrometry, the amount of insoluble sediment resulting from an antigen-antibody reaction in a gel or in a solution is measured. Even when the amount of antigen in the test solution is small and only a small amount of sediment is obtained, laser nephrometry utilizing laser scattering is preferably used.
- the labeling agent used in the measurement method using a labeling substance is not particularly limited, but a radioisotope, an enzyme, a fluorescent substance, a luminescent substance, or the like is used.
- the radioisotope is not particularly limited, but for example, [ 125 1], [ 131 1], [3 ⁇ 4]., [ 1 C] and the like are preferable.
- the enzyme is not particularly limited, but is preferably a stable enzyme having a large specific activity, for example, i3_galactosidase, / 3-darcosidase, alkaline phosphatase, passoxidase, or the like.
- fluorescent substance examples include, but are not limited to, fluorescein and fluorescein isothiosinate). Examples thereof include, but are not limited to, luminol, luminol derivatives, luciferin, lucigenin, etc. Further, for binding between the antibody and the labeling agent, a biotin-avidin compound may be used.
- the carrier include insoluble polysaccharides such as agarose, dextran, and cellose, and synthetic resins such as polystyrene, polyacrylamide, and silicon, and glass.
- the antibody of the present invention can quantify the peptide of the present invention with high sensitivity, elucidate the physiological function of the peptide of the present invention, and prevent diseases and symptoms involving the peptide of the present invention. Useful for treatment and diagnosis.
- the peptide of the present invention has effects such as a vascular smooth muscle contraction effect, a myocardial hypertrophy effect, and an anxiety-enhancing effect.
- a disease involving the peptide of the present invention can be obtained.
- central nervous system disorders eg, Alzheimer's disease, Parkinson's syndrome, Pick's disease, Huntington's disease, senile dementia, cerebrovascular dementia, etc.
- mental disorders eg, anxiety, depression, insomnia, schizophrenia, fear
- Cardiovascular disease eg, hypertension, hypotension, etc.
- heart disease eg, heart failure, arrhythmia, long QT syndrome, dilated congestive heart myopathy, hypertrophic cardiomyopathy, pulmonary hypertension, etc.
- kidney disease eg, nephritis, renal failure, interventricular ⁇ kidney disease, etc.
- urinary system disease eg, frequent urination, urinary incontinence, etc.
- the antibody of the present invention can also be used for detecting the peptide of the present invention present in a subject such as a body fluid or a tissue.
- preparation of an antibody column used for purifying the peptide of the present invention, detection of the peptide of the present invention in each fraction during purification, analysis of the behavior of the peptide of the present invention in test cells, etc. Can also be used.
- the antibody of the present invention has a neutralizing effect of the peptide of the present invention, It has an inhibitory action such as a vascular smooth muscle contraction action, a myocardial hypertrophy action, and an anxiety-promoting action.
- a disease involving the peptide of the present invention eg, a central nervous disease (eg, Alzheimer's disease, Parkinson's syndrome) , Pick's disease, Huntington's disease, senile dementia, cerebrovascular dementia, etc.)
- Mental illness eg, anxiety, depression, 'insomnia, schizophrenia, phobia etc.
- cardiovascular disease eg, hypertension, Hypotension, etc.
- heart disease eg, heart failure, arrhythmia, long QT syndrome, dilated depressive cardiomyopathy, hypertrophic cardiomyopathy, pulmonary hypertension, etc.
- kidney disease eg, nephritis, renal failure, interventricular kidney
- urinary diseases eg, frequent urination,
- the prophylactic / therapeutic agent containing the antibody of the present invention has low toxicity, and can be used as it is as a liquid or as a pharmaceutical composition of an appropriate dosage form in humans or mammals (eg, rat, egret, sheep, It can be administered parenterally or orally to pigs, mice, cats, dogs, monkeys, etc.).
- the antibody of the present invention may be administered per se or as a suitable pharmaceutical composition.
- 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.
- a pharmaceutical composition is provided as a dosage form suitable for oral or parenteral administration.
- compositions for parenteral administration for example, injections, suppositories, etc. are used. Injections are in the form of intravenous injections, subcutaneous injections, intradermal injections, intramuscular injections, drip injections, etc. May be included. Such injections can be prepared according to known methods. Examples of the method of preparing an injection include dissolving the antibody of the present invention or a salt thereof in a sterile aqueous liquid or oily liquid commonly used for injections. It can be prepared by suspending or emulsifying.
- aqueous liquid for injection for example, physiological saline, isotonic solution containing budose sugar and other adjuvants, and the like
- suitable solubilizing agents for example, alcohol (eg, ethanol), polyalcohol ( For example, propylene glycol, polyethylene glycol 1] col), nonionic surfactant (for example, polysorbate 80, HCO-50 (polyoxyethylene thyne (50mo 1) adduc tof hydrogenated cast or oil))
- Oily liquids include, for example, sesame oil, soybean oil, etc. However, benzyl benzoate, benzyl alcohol and the like may be used in combination as a solubilizing agent.
- the prepared injection solution is preferably filled in a suitable ampoule.
- a suppository for rectal administration may be prepared by mixing the above antibody or a salt thereof with a usual suppository base.
- compositions for oral administration include solid or liquid dosage forms, specifically tablets (including sugar-coated tablets and film-coated tablets), pills, granules, powders, and capsules (including soft capsules). Syrup, emulsion, suspension and the like.
- Such a composition is produced by a known method and may contain carriers, diluents or excipients usually used in the field of formulation.
- carriers and excipients for tablets for example, lactose, starch, sucrose, and magnesium stearate are used.
- the above-mentioned parenteral or oral pharmaceutical composition is conveniently prepared in a dosage unit form so as to be compatible with the dosage of the active ingredient.
- dosage unit forms include, for example, tablets, pills, capsules, injections (ampoules), and suppositories.
- the antibody content is usually about 5 to 500 mg per dosage unit dosage form, especially about 5 to 100 mg for injection, and about 10 to 250 mg for other dosage forms. Is preferably contained.
- compositions may contain another active ingredient as long as the composition does not cause an undesirable interaction with the above-mentioned antibody.
- the dosage of a prophylactic or therapeutic agent or a diagnostic agent (pharmaceutical) containing the antibody of the present invention varies depending on the administration target, target disease, symptoms, administration route, and the like.
- the antibody of the present invention is usually used in a dose of about 0.1 to 2 Omg / kg body weight, preferably about 0.1 to 1 OmgZkg body weight, more preferably about 0.1 to 1 OmgZkg body weight. It is convenient to administer 0.1 to 5 mg Z kg body weight by intravenous injection about 1 to 5 times a day, preferably about 1 to 3 times a day.
- an equivalent dose can be administered. If the symptoms are particularly severe, the dose may be increased accordingly.
- amino acids and the like are indicated by abbreviations based on the abbreviations by the IUPAC- IUB Commission on Biochemical Nomenclature or commonly used abbreviations in the relevant field.
- amino acids may have optical isomers, the L-isomer shall be indicated unless otherwise specified.
- a 1 a Alanine
- Th r Threonine
- G 1 n Glutamine
- SEQ ID NOs used herein represent the amino acid sequences of the following peptides.
- 1 shows the amino acid sequence of human porcine tensin II.
- 1 shows the amino acid sequence of pig urotensin II.
- hybridoma cells AUI I 103-5-41 obtained in Example 1 described below were obtained from October 22, 2002, 1-1 1-1 Higashi, Tsukuba-shi, Ibaraki, Japan 1 Central No. 6 (postal code) 305-8566) and deposited at the National Institute of Advanced Industrial Science and Technology, Patent Organism Depositary under the accession number FERM BP-8220.
- the antibody obtained from each hybridoma cell is represented by adding “a” to the end of the cell name.
- the present invention will be described in more detail with reference to Reference Examples and Examples, but these examples do not limit the scope of the present invention.
- Linear gradient elution was performed using 300 ml of 20% aqueous acetonitrile containing 0.1% TFA and 300 ml of 50% aqueous acetonitrile containing 0.1% TFA. The main fraction was collected and freeze-dried to obtain 7.9 mg of a white powder.
- Human porcine tensin II (SEQ ID NO: 1), porcine urotensin II-1 (SEQ ID NO: 2), porcine urotensin II-2 (SEQ ID NO: 3), porcine urotensin II (SEQ ID NO: 4) and rat Mouth tensin II (SEQ ID NO: 5) and the structure at the C-terminal side (Cys-Phe-Trp-Lys-Tyr-Cys) are compatible with goby, long-jawed mudsucker,
- Pyotin was bound to goblet tensin II and used as a label for enzyme immunoassay (EIA). That is, 2 nmol of goby mouth tensin II was dissolved in 0.1 ml of 50 mM phosphate buffer (pH 7.5), and 20 nmol of biotin N-hydroxysuccinimide ester was added thereto, followed by reaction at room temperature for 1 hour.
- EIA enzyme immunoassay
- the antibody titer in the mouse antiserum immunized with goat mouth tensin II was measured by the following method.
- a 50 mM carbonate buffer (pH 9.6) 96 well microphone containing anti-mouse immunoglobulin antibody (IgG fraction, manufactured by Kappel) containing lO ⁇ g / ml was used. 100 1 was dispensed into the mouth plate and left at 4 ° C for 24 hours. The plate is then washed with phosphate buffered saline (PBS, pH 7.4), and a 25% blockage is applied to block excess binding sites in the wells.
- PBS phosphate buffered saline
- mice with relatively high antibody titers 200-300 zg of immunogen dissolved in 0.25-0.3 ml of physiological saline is intravenously inoculated for final immunization. Done. Three to four days after the final immunization, the spleen is removed from the mouse, squeezed and filtered with a stainless mesh, and Eagle's 'Minimum' Essential Medium
- MEM mouse-derived myeloma cells
- P3U1 mouse-derived myeloma cells
- the cell precipitate GIT medium (Wako Pure drug) containing 10% fetal bovine serum were suspended as (GIT-10% FCS) to P3U1 is 2XL 0 5 per lml, 24-well multi-dishes (Limburg port 1 ml each in 1 ml. After seeding, the cells were cultured at 37 ° C. in a 5% CO 2 incubator.
- HAT hypoxanthine 1 ⁇ 10- 4 ⁇ , aminopterin 4x10- 3 ⁇ 4, adding thymidine 1.
- 6xl (T 3 M) I containing I to GIT- 10% FCS medium (HAT medium) one by one Ueru per lml HAT selective culture was started, and the HAT selective culture was continued by discarding 1 ml of the old solution and adding 1 ml of HAT medium 3 days, 6 and 9 days after the start of the culture. was observed 9 to 14 days after the cell fusion.
- the culture broth turned yellow (about lxlO 6 cells / ml), the supernatant was collected and the antibody titer was measured according to the method described in the above (3).
- FIG. 2 shows the results obtained using mouse No. 6 (see FIG. 1) as a typical example of screening of a hybridoma derived from a mouse immunized with goat mouth tensin 11.
- the antibodies in the culture supernatants of No. 5 and No. 103 hybridomas were shown to specifically bind to perotinsin II, and a total of two types of hybridomas, No. 5 and No. 103, were selected. .
- hybridomas were cloned by limiting dilution.
- thymocytes of a BALB / C mouse were added as feeder cells at 5 ⁇ 10 5 cells / well.
- two types of clones No. 5-6-10 and No. 103-5-41, were selected as hybridomas with high antibody production.
- No. 5-6-10 and No. 103-5-41 will be named AUI 15-6-10 and AUI 1103-5-41, respectively.
- mice were injected intraperitoneally with 0.5 ⁇ 1 of mineral oil (BALB / C), and 1-3 ⁇ 10 6 cells / animal were injected intraperitoneally, and antibody-containing ascites were collected 6-20 days later did.
- mineral oil BALB / C
- the eluate was dialyzed against PBS at 4 ° C for 2 days, sterilized and filtered through a filter (manufactured by Millipore), and stored at 4 ° C or -80 ° C.
- the class subclass of the monoclonal antibody was determined by the Enzyme-Linked Immunosorbent Assay (ELISA) method using a purified monoclonal antibody-bound solid phase. That is, a 0.1 M carbonate buffer, pH 9.6 solution ′ containing 2 g / ml of the antibody was dispensed in 100 1 portions into a 96-well microplate and left at 4 ° C. for 24 hours.
- ELISA Enzyme-Linked Immunosorbent Assay
- the excess binding site of the gel is filled with a block ace, and then the isotat (Mouse-TyperTM Sub-Isotyping Kit, Bio-Rad)
- the class and subclass of the immobilized antibody were examined by ELISA using The class of antibodies produced by the two hybridomas (Nos. 5-6-10 and 103-5-41) was IgGl.
- Example 2
- Monoclonal antibodies (AUII5-6-10a and AUI II 03-5) produced by two hybridomas, No.5-6-10 and No.103-5-41, respectively, prepared using goby mouth tensin 11 as an immunogen.
- the reaction specificity of -41 a) was examined by the following method.
- the microplate bound to the anti-mouse immunoglobulin antibody described in Example 1 (3) above was treated with Buffer C (0.02 M phosphate buffer containing 1% BSA, 0.4 M NaCK and 2 mM EDTA, PH 7.0). 486-fold diluted AUII5- 6-10 hybridoma culture supernatant or AUII103-5-41 hybridoma culture supernatant diluted 54-fold with buffer 1 C 33 U buffer 1 C 33 l of human, porcine-1, porcine, rat or goby mouth tensin II solution 33 ⁇ 1 and the biotin-labeled hazel perotinsin II (diluted 8333-fold in buffer C) described in Example 1 (2) above In addition, the reaction was carried out at 4 ° C for 16 hours.
- AUII103-5-41a was Compared to tensin II, it showed higher reactivity to human and octapertensin II.
- the measurement of arachidonic acid metabolite release activity was performed by seeding rat GPR14 receptor-expressing CH0 cells in a 24-well plate at a cell density of 0.5 10 5 eel ls / wel 1 and culturing for 24 hours. Ci / weIl was added. [3 ⁇ 4] Twenty-four hours after the addition of arachidonic acid, the cells are washed with MEM containing 0.1% BSA, and then mixed with the above-mentioned monoclonal antibodies at the above concentrations and human, porcine-1, porcine, rat, and goby mouth tensins. The sum solution was added at 500 1 / well.
- AUII5-6-10a neutralizes the arachidonic acid metabolite-releasing activity of human, porcine-1, porcine, rat, and octalactin tensin II.
- mice (9-10 weeks old, 36-38 g, male, Nippon Charles River) were lightly anesthetized with getylether, and mouse IgG (immunoglobulin G) (Sigma, 10 mg / ml PBS, 5 ⁇ 1) or AUII5-6-10a (10 mg / ml PBS, 5 ⁇ 1) was administered to the right ventricle.
- a two-stage needle (Matsumoto Seisakusho) was used for intraventricular administration. Mice awakened 30 minutes later were placed in restraint cages (Natsume Seisakusho) and subjected to restraint stress for 1 hour. Control animals were allowed to move freely in the cage for 1 hour.
- a spontaneous momentum measurement system (Muromachi Kikai) was used for the measurement.
- a stand-up sensor (MRX-110TX-RX) was attached to the lower side of the cage, and a plate with holes (3.8 cm in diameter, 4 pieces) was hung from above the thigh above the sensor 5 thighs.
- the measurement was performed using a device that was fixed down to the inside.
- the number of gazes was expressed as the number of times the mouse placed on the board protruded the head from the hole by the gaze action and blocked the sensor installed.
- the spontaneous activity was measured with a SUPERMEX sensor (PYS-001, passive infrared sensor) attached to the upper part. Spontaneous activity was expressed as the number of times the mouse crossed the sensor. The experiment was performed between 15:00 and 18:00.
- mice No change was observed in the spontaneous behavior of the mice at this time [mouse IgG administration (unrestrained): 621.5 ⁇ 20. 4 times, mouse IgG administration (restraint stress load): 611.2 2 6 times, AUI I5-6-10a administration (restraint stress load): 649.7 Sat 20. 1 times).
- intracerebroventricular administration of AUI 15-6-10a suppresses anxiety-like behavior indicated by a decrease in mouse gaze behavior induced by restraint stress without affecting spontaneous behavior. I understand. Industrial applicability
- the antibodies of the present invention are useful for the development of therapeutic, prophylactic, and diagnostic agents for diseases and the like involving the peptide of the present invention.
- the antibody of the present invention can be industrially produced.
- a medicine (especially a diagnostic agent) containing the antibody of the present invention may be a disease associated with the peptide of the present invention [eg, a central nervous system disease (eg, Alzheimer's disease, Parkinson's syndrome, Pick's disease, Huntington's disease) , Senile dementia, cerebrovascular dementia, etc.), mental illness (eg, anxiety, depression, insomnia, schizophrenia, phobia etc.), cardiovascular disease (eg, hypertension, hypotension, etc.), heart disease (Eg, heart failure, arrhythmia, long QT syndrome, dilated depressive cardiomyopathy, hypertrophic cardiomyopathy, pulmonary hypertension, etc.), kidney diseases (eg, nephritis, renal failure, interventricular renal disease, etc.), urinary diseases (eg, Eg, frequent urination, urinary incontinence, etc.).
- a central nervous system disease eg, Alzheimer's disease, Parkinson's syndrome, Pick's disease, Huntington's disease
- Senile dementia cerebrovascular dementia, etc
- the antibody of the present invention has a neutralizing effect of the peptide of the present invention, for example, central nervous system diseases (eg, Alzheimer's disease, Parkinson's syndrome, Pick's disease, Huntington's disease, senile dementia, cerebrovascular dementia, etc.) ), Mental disorders (eg, anxiety, depression, insomnia, schizophrenia, phobia etc.), cardiovascular diseases (eg, hypertension, hypotension, etc.), heart diseases (eg, heart failure, arrhythmia, QT) Prolonged syndrome, dilated congestive cardiomyopathy, hypertrophic cardiomyopathy, pulmonary hypertension, etc., kidney disease (eg, nephritis, renal failure, interventricular renal disease, etc.), urinary system disease (eg, pollakiuria, urinary incontinence, etc.) ⁇ Prevention ⁇ Treatment It is for.
- central nervous system diseases eg, Alzheimer's disease, Parkinson's syndrome, Pick's disease, Huntington's disease, senile dementia, cerebrovascular dementia, etc.
- the quantification method of the present invention is applicable to diseases involving the peptide of the present invention [eg, central nervous system diseases (eg, Alzheimer's disease, Parkinson's syndrome, Pick's disease, Huntington's disease, senile dementia, cerebrovascular dementia) ), Mental illness (eg, anxiety, depression, insomnia, schizophrenia, phobia, etc.), cardiovascular disease (eg, hypertension, hypotension, etc.), heart disease (eg, heart failure, arrhythmia, QT prolongation) Syndrome, dilated depressive cardiomyopathy, hypertrophic cardiomyopathy, pulmonary hypertension, etc.), kidney disease (eg, nephritis, renal failure, interventricular renal disease, etc.), urinary system disease (eg, pollakiuria, urinary incontinence, etc.) Etc.] for diagnosis, prevention or treatment.
- central nervous system diseases eg, Alzheimer's disease, Parkinson's syndrome, Pick's disease, Huntington's disease, senile dementia, cerebrovascular dementia
- Mental illness
- the amount of the peptide of the present invention derived from human, pig, mouse, rat, mouse or goby can be measured with high sensitivity. It is useful as a diagnostic, prophylactic or therapeutic agent, reagent, etc. for diseases involving peptides.
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Abstract
Description
Claims
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CA002503026A CA2503026A1 (en) | 2002-10-25 | 2003-10-23 | Antibody and utilization of the same |
US10/532,452 US20060051344A1 (en) | 2002-10-25 | 2003-10-23 | Antibody and utilization of the same |
AU2003275602A AU2003275602A1 (en) | 2002-10-25 | 2003-10-23 | Antibody and utilization of the same |
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WO2001004298A1 (fr) * | 1999-07-08 | 2001-01-18 | Takeda Chemical Industries, Ltd. | Nouvelle substance physiologiquement active, procede de production et utilisation |
WO2001037780A2 (en) * | 1999-11-29 | 2001-05-31 | Smithkline Beecham Corporation | Urotensin-ii analogs |
EP1136503A1 (en) * | 1998-11-30 | 2001-09-26 | Takeda Chemical Industries, Ltd. | Novel physiologically active substance, process for producing the same and utilization thereof |
JP2002087982A (ja) * | 2000-09-12 | 2002-03-27 | Nippon Kayaku Co Ltd | 血管新生促進剤、血管新生阻害剤又はそのスクリ−ニング方法 |
EP1241479A2 (en) * | 2001-03-12 | 2002-09-18 | Immundiagnostik AG | Method of determining urotensin II in body fluids and diagnosis of cardiovascular diseases |
-
2003
- 2003-10-23 AU AU2003275602A patent/AU2003275602A1/en not_active Abandoned
- 2003-10-23 EP EP03758800A patent/EP1557430A4/en not_active Withdrawn
- 2003-10-23 CA CA002503026A patent/CA2503026A1/en not_active Abandoned
- 2003-10-23 US US10/532,452 patent/US20060051344A1/en not_active Abandoned
- 2003-10-23 WO PCT/JP2003/013528 patent/WO2004037863A1/ja not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1136503A1 (en) * | 1998-11-30 | 2001-09-26 | Takeda Chemical Industries, Ltd. | Novel physiologically active substance, process for producing the same and utilization thereof |
WO2001004298A1 (fr) * | 1999-07-08 | 2001-01-18 | Takeda Chemical Industries, Ltd. | Nouvelle substance physiologiquement active, procede de production et utilisation |
WO2001037780A2 (en) * | 1999-11-29 | 2001-05-31 | Smithkline Beecham Corporation | Urotensin-ii analogs |
JP2002087982A (ja) * | 2000-09-12 | 2002-03-27 | Nippon Kayaku Co Ltd | 血管新生促進剤、血管新生阻害剤又はそのスクリ−ニング方法 |
EP1241479A2 (en) * | 2001-03-12 | 2002-09-18 | Immundiagnostik AG | Method of determining urotensin II in body fluids and diagnosis of cardiovascular diseases |
Non-Patent Citations (5)
Title |
---|
KOBAYASHI, Y ET AL.: "Radioimmunoassays for Fish Tail Neuropeptides: II. Development of a Specific and Sensitive Assay for and the Occurence of Immunoreactive Urotensin II in the Central Nervous System and Blood of Catostomus Commersoni.", JOURNAL OF PHARMACOLOGICAL METHODS, vol. 15, no. 4, 4 July 1986 (1986-07-04), pages 321 - 333, XP002974956 * |
MORI, M ET AL.: "Urotensin II is the endogenous ligand of a G-protein-coupled orphan receptor SENR (GPR14).", BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATONS, vol. 265, no. 1, 1999, pages 123 - 129, XP002929659 * |
OWADA, K ET AL.: "Urotensin II-immunoreactive neurons in the caudal neurosecretory system of freshwater and seawater fish.", CELL AND TISSUE RESEARCH, vol. 239, no. 2, 1985, pages 349 - 354, XP002974957 * |
See also references of EP1557430A4 * |
SUGO, T ET AL.: "Identification of urotensin II-related peptide as the urotensin II-immunoreactive molecule in the rat brain.", BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNCATIONS, vol. 310, no. 3, 2003, pages 860 - 868, XP004461174 * |
Also Published As
Publication number | Publication date |
---|---|
AU2003275602A1 (en) | 2004-05-13 |
CA2503026A1 (en) | 2004-05-06 |
US20060051344A1 (en) | 2006-03-09 |
EP1557430A4 (en) | 2006-02-08 |
EP1557430A1 (en) | 2005-07-27 |
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