WO1999016885A1 - Recepteur de lymphocyte t tueur reconnaissant le vih - Google Patents
Recepteur de lymphocyte t tueur reconnaissant le vih Download PDFInfo
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- WO1999016885A1 WO1999016885A1 PCT/JP1998/004345 JP9804345W WO9916885A1 WO 1999016885 A1 WO1999016885 A1 WO 1999016885A1 JP 9804345 W JP9804345 W JP 9804345W WO 9916885 A1 WO9916885 A1 WO 9916885A1
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- polypeptide
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- killer
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- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 description 1
- 238000000520 microinjection Methods 0.000 description 1
- 229960004857 mitomycin Drugs 0.000 description 1
- 235000013379 molasses Nutrition 0.000 description 1
- 239000003147 molecular marker Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 229910000402 monopotassium phosphate Inorganic materials 0.000 description 1
- 235000019796 monopotassium phosphate Nutrition 0.000 description 1
- 239000013642 negative control Substances 0.000 description 1
- 101150091879 neo gene Proteins 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000011580 nude mouse model Methods 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229940092253 ovalbumin Drugs 0.000 description 1
- 210000003101 oviduct Anatomy 0.000 description 1
- 101150019841 penP gene Proteins 0.000 description 1
- 229960001639 penicillamine Drugs 0.000 description 1
- 229940049954 penicillin Drugs 0.000 description 1
- 235000019319 peptone Nutrition 0.000 description 1
- 229940066827 pertussis vaccine Drugs 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 150000008300 phosphoramidites Chemical class 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000013600 plasmid vector Substances 0.000 description 1
- QVLTXCYWHPZMCA-UHFFFAOYSA-N po4-po4 Chemical compound OP(O)(O)=O.OP(O)(O)=O QVLTXCYWHPZMCA-UHFFFAOYSA-N 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000003752 polymerase chain reaction Methods 0.000 description 1
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 229940125415 protein degrader Drugs 0.000 description 1
- 210000001938 protoplast Anatomy 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 108091008146 restriction endonucleases Proteins 0.000 description 1
- 230000001177 retroviral effect Effects 0.000 description 1
- 239000003161 ribonuclease inhibitor Substances 0.000 description 1
- 230000003248 secreting effect Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 235000009518 sodium iodide Nutrition 0.000 description 1
- 239000001488 sodium phosphate Substances 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 210000002325 somatostatin-secreting cell Anatomy 0.000 description 1
- 230000009870 specific binding Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229960005322 streptomycin Drugs 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 229960002180 tetracycline Drugs 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 229940104230 thymidine Drugs 0.000 description 1
- 238000001890 transfection Methods 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- 230000010415 tropism Effects 0.000 description 1
- 208000007089 vaccinia Diseases 0.000 description 1
- 230000003612 virological effect Effects 0.000 description 1
- 239000012138 yeast extract Substances 0.000 description 1
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
- C12N15/09—Recombinant DNA-technology
- C12N15/63—Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
- C12N15/79—Vectors or expression systems specially adapted for eukaryotic hosts
- C12N15/85—Vectors or expression systems specially adapted for eukaryotic hosts for animal cells
- C12N15/8509—Vectors or expression systems specially adapted for eukaryotic hosts for animal cells for producing genetically modified animals, e.g. transgenic
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/027—New or modified breeds of vertebrates
- A01K67/0275—Genetically modified vertebrates, e.g. transgenic
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/705—Receptors; Cell surface antigens; Cell surface determinants
- C07K14/70503—Immunoglobulin superfamily
- C07K14/7051—T-cell receptor (TcR)-CD3 complex
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K2217/00—Genetically modified animals
- A01K2217/05—Animals comprising random inserted nucleic acids (transgenic)
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K2227/00—Animals characterised by species
- A01K2227/10—Mammal
- A01K2227/105—Murine
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K2267/00—Animals characterised by purpose
- A01K2267/03—Animal model, e.g. for test or diseases
- A01K2267/0337—Animal models for infectious diseases
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K38/00—Medicinal preparations containing peptides
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2319/00—Fusion polypeptide
Definitions
- DNA encoding a polypeptide capable of hybridizing under stringent conditions and capable of specifically damaging a cell infected with a human immunodeficiency virus is the above-mentioned (8) or (9).
- DNA as a probe means DNA obtained by colony hybridization, plaque hybridization, or Southern blot hybridization, etc.
- DNA derived from colonies or plaques After performing hybridization at 65 ° C in the presence of 0.7 to 1.OM NaCl using a filter immobilized with, 0.1 to 2 times concentration of SSC (saline-sodium citrate) solution Wash the filter at 65 ° C using a 1x concentration of SSC solution consisting of 15 OmM sodium salt and 15 mM sodium citrate. It can be mentioned D N A that can be more identified.
- SSC saline-sodium citrate
- polypeptide according to any one of (1) to (7), wherein the polypeptide is a polypeptide having a human-type constant region site.
- the spleen of the immunized animal is removed, and erythrocyte removal is performed to obtain sensitized lymphocytes.
- sensitized lymphocytes antigen-expressing or antigen-bound antigen-presenting cells, fibroblasts, etc., irradiated or treated with mitomycin-1C are used.
- these cells are syngeneic with the immune cells.
- a P18-specific killer T cell clone can be established.
- the killer T cell clones that damage HIV-infected cells of the present invention include RT_1, RT-2, RT-3 and the like.
- Methods for confirming T cells include FACScan using an antibody against a molecular marker expressed on the cell surface.
- T cell ⁇ receptor is a heterodimer protein in which ⁇ -chain and / 3 chain polypeptide are formed by disulfide bonds.
- the receptor forms a complex with CD3 and is expressed on the surface of ⁇ cells.
- Specific ⁇ cell ⁇ (3 receptors are composed of a number of different V- (D) -J-C regions, The other is thought to be defined by the amino acid sequence of the V region, and the specificity for foreign substances is mainly defined by the amino acid sequence of the D and J regions. Therefore, as a method for identifying a T cell receptor gene from a P18-specific killer T cell clone, the V region of the ⁇ . Chain and i3 chain of the T cell receptor was determined, and the entire gene sequence was identified from those results. I do.
- guanidine thiocyanate-cesium trifluoroacetate method As methods for preparing total RNA from T cell clones, guanidine thiocyanate-cesium trifluoroacetate method [Methods in Enzyraology, 154, 3 (1987)], acid-based guanidine thiocinone phenol The Holm (AGPC) method [Analytic al Biochemistry, 162, 156 (1987), Experimental Medicine 9, 1937 (1991)] and the like can be used.
- Methods for preparing mRNA as poly (A) + RNA from total RNA include oligo (dT) -immobilized cellulose column method (molecular cloning, 2nd edition) and a method using oligo dT latex. .
- a fragment obtained by amplifying a part of cDNA by a method using PCR [PCR Protocols, Academic Press (1990)] using primers based on a nucleotide sequence that has been partially identified, Oligonucleotides based on the known nucleotide sequence can be used.
- a primer prepared based on the base sequence can be used as the primer.
- CDNA is synthesized from mRNA from the cDNA clone having the DNA of the present invention selected as described above, according to the method described above.
- the nucleotide sequence of DNA obtained by the above method can be obtained by digesting the DNA fragment as it is or by using an appropriate restriction enzyme or the like and then incorporating the DNA fragment into a vector by a conventional method. Sanger) et al. [Proc. Natl. Acad. Sci. USA, 74, 5463 (1977)] or Perkin Elmer: 373A DNA Sequencer, Pharmacia, Lycoa
- the desired DNA can be prepared.
- the DNA synthesizer include a DNA synthesizer manufactured by Shimadzu Corporation using the thiophosphite method, and a DNA synthesizer mode1392 manufactured by Perkin'Elma Inc. using the phosphoramidite method.
- nucleotide sequence database such as GenBank, EMBL and DDBJ using a homology search program such as BLAST.
- the homology is searched by searching an amino acid sequence database such as GenPept, PIR, Swiss-Prot using a homology search program such as FASTA or FrameSearch. Existing genes with gender can be searched.
- a recombinant vector in which the DNA of the present invention is inserted downstream of a promoter of an appropriate expression vector is constructed, and the vector is introduced into a host cell to thereby express a polypeptide expressing the polypeptide of the present invention.
- the polypeptide of the present invention can be produced.
- any cells that can express the target gene such as bacteria, yeast, animal cells, insect cells, and plant cells
- a transformant obtained by introducing the recombinant vector into which the DNA of the present invention has been inserted into peripheral blood T cells of a healthy person can be used for gene therapy of HIV-infected patients.
- those capable of autonomous replication in the host cell or integration into the chromosome and containing a promoter at a position where the DNA of the present invention can be transcribed are used.
- the T cell receptor component gene expression vector of the present invention is capable of autonomous replication in a prokaryote, and has a promoter, a ribosome binding sequence, and a DNA of the present invention.
- transcription termination sequence Force S preferably more configuration recombinant vector.
- a gene that controls a promoter may be included.
- expression vectors examples include PSE280 (manufactured by Invitrogen), P GEMEX-1 (manufactured by Promega), pQE-8 (manufactured by QIAGEN), pKYPIO
- Any promoter can be used as long as it can be expressed in a host cell. If for example, E. coli as a host, I £ E promoter (P ££), cited lac Buromota one, P L promoter one coater, T7 promoter, such as P R promoter, the promoter Chief derived from Escherichia coli or phage, etc. be able to. Alternatively, a promoter in which two Ptrps are arranged in tandem (P ⁇ £ 2 x2), a promoter designed and modified artificially such as a tac promoter, a T7 lac promoter, a let I promoter, etc. can also be used. When Bacillus subtilis is used as a host, examples thereof include promoters of Bacillus subtilis SP ⁇ 1 and SP ⁇ 2, penP promoter and the like.
- the ribosome binding sequence it is preferable to use a plasmid in which the distance between the Shine-Dalgarno sequence and the initiation codon is adjusted to an appropriate distance (for example, 6 to 18 bases).
- a transcription termination sequence is not necessarily required for expression of the DNA of the present invention. It is preferable to arrange a transcription termination sequence immediately below a force structural gene.
- Host cells include microorganisms belonging to the genus Escherichia, Serratia, Bacillus, Brevibacterium, Corynebacterium, Microbacterium, Pseudomonas, etc., for example, Escherichia coli XLl-Blue Escherichia coli XL2-Blue Escherichia coli DH1 Escherichia coli MC1000 Escherichia coli KY3276 Escherichia coli W1485 Escherichia coli JM109 Escherichia coli HB101 Escherichia coli No. 49 Escherichia coli W3110 Escherichia coli NY49 Serratia ficaria ⁇ Serratia fonticola x Serratia liquefaciens
- Any method for introducing the recombinant vector can be used as long as it is a method for introducing DNA into the host cell.
- a method using calcium ions [Proc. Natl. Acad. Sci. USA, 69 , 2110 (1972)], the protoplast method (JP-A-63-248394), the electrolysis method [Gene, 17, 107 (1982), Molecular & General Genetics, 168, HI (1979)]. it can.
- Examples of the plasmid containing the DNA encoding the component polypeptide of the killer T cell receptor of the present invention include, for example, pH-RTla containing DNA encoding the ⁇ chain of killer T cell receptor, killer T cell Escherichia coli TGl / pH-RTla, which is Escherichia coli containing Plasmid K PH-RTIa, and Escherichia, which is Escherichia coli containing Plasmid K PH-RTI ⁇ coli TGI / pH-RTl0 was published on August 26, 1997 by the National Institute of Bioscience and Human-Technology Agency of Industrial Science and Technology (Ibaraki, Japan).
- FERM BP-6078 and FERM BP-6079 have been deposited with Higashi 1-3-1 Higashi, Tsukuba City, Prefecture, respectively.
- YE Pl3 ATCC37115
- YEp24 ATCC37051
- YC P 50 ATCC37419
- Any promoter can be used as long as it can be expressed in yeast strains. Examples thereof include PH05 promoter, PGK promoter, GAP promoter, ADH promoter, gal1, promoter, gal10 promoter, and heat shock. Promoters such as polypeptide promoter, MFal promoter, CUP 1 promoter and the like can be mentioned.
- host cells examples include yeast strains belonging to the genera Saccharomyces, Schizosaccharomyces, Kluybium mycetes, Trichosporon, Schizinomyces, Pichia, etc.
- Saccharomyces cerevisiae examples include yeast strains belonging to the genera Saccharomyces, Schizosaccharomyces, Kluybium mycetes, Trichosporon, Schizinomyces, Pichia, etc.
- any method can be used as long as it is a method for introducing DNA into yeast.
- electroporation Methods in Enzymology, 194, 182 (1990)
- spheroplast method Proc. Natl. Acad. Sci. USA, 81, 4889 (1984)]
- lithium acetate method Journal of Bacteriology, 153, 163 (1983)] and the like.
- expression vectors include PCD NA I / Amp (manufactured by Invitrogen), pc DNAI, pAMoERC3Sc, pCD M8 [Nature, 329, 840 (1987)], pAGE 107 (JP-A-3-22979,
- any promoter can be used as long as it can be expressed in animal cells.
- the promoter of the cytomegalovirus (CMV) IE (i-hiddenate early) gene, the SV40 early promoter or the metallotionin promoter can be used.
- the EN gene of human C A sensor may be used with the promoter.
- animal cells examples include mouse myeloma cells, rat myeloma cells, mouse hybridoma cells, Namalwa cells or Namalwa KJM-1 cells that are human cells, human fetal kidney cells, and human cells.
- Leukemia cells African green monkey kidney cells, Chinese hamster cells such as CH0 cells, HBT5637 (JP-A-63-299), and the like.
- Mouse 'myeloma cells include SP2 / 0 and NS0
- rat's myeloma cells include YB2 / 0, etc.
- human fetal kidney cells include HEK293 (ATCC: CR1573)
- human leukemia cells include BALL- Examples of African green monkey kidney cells include COS-1 and COS-7.
- Any method for introducing a recombinant vector can be used as long as it is a method for introducing DNA into animal cells.
- the electoporation method can be used.
- Baculovirus Exclusion 'Vectors a laboratory' manual [Baculovirus
- a recombinant gene transfer vector and a baculovirus are co-transfected into insect cells to obtain a recombinant virus in an insect cell culture supernatant, and the recombinant virus is further infected into insect cells to express the polypeptide. be able to.
- Examples of the gene transfer vector used in the method include PVL1392, PVL1393, pBlueBacIII (all manufactured by Invitrogen) and the like.
- Baculoviruses are, for example, viruses that infect night roth moths Autographa californi force, Nuclea polyhedrosis. Virus
- insect cells ovarian cells of Spodoptera frugiperda, ovary cells of Trichoplusia ni, cultured cells derived from silkworm ovary, and the like can be used.
- the ovarian cells of Spodoptera frugiperda include Sf9 and Sf21 (Baculovirus Expression, Solution Vectors, A Laboratory 'Manual) etc.
- the ovarian cells of Trichoplusia ni are High 5, BTI-TN-5B1-4 (Invitrogen) And cultured cells derived from the silkworm ovary, such as Botnbyx mori N4.
- Examples of a method of co-introducing the recombinant gene introduction vector and the baculovirus into insect cells for preparing a recombinant virus include a calcium phosphate method.
- a sugar or a sugar chain-added polypeptide When expressed by yeast, animal cells or insect cells, a sugar or a sugar chain-added polypeptide can be obtained.
- the T-cell receptor constituent polypeptide can be expressed in vivo in a patient.
- the method for culturing the transformant of the present invention in a medium is performed according to a usual method used for culturing a host.
- a culture medium for culturing a transformant obtained by using a microorganism such as Escherichia coli or yeast as a host contains a carbon source, a nitrogen source, inorganic salts, and the like, which can be used by the microorganism, and efficiently cultivates the transformant.
- a natural medium or a synthetic medium may be used.
- Nitrogen sources include ammonia, ammonium chloride, ammonium sulfate, ammonium acetate, ammonium phosphate and other inorganic or organic acid ammonium salts or other nitrogen-containing compounds, as well as peptone, meat extract, yeast extract, and corn starch. Plyka, casein hydrolyzate, soybean meal, soybean meal hydrolyzate, various fermented cells or digests thereof are used.
- potassium phosphate monobasic, potassium phosphate dibasic, magnesium phosphate, magnesium sulfate, sodium chloride, ferrous sulfate, manganese sulfate, copper sulfate, calcium carbonate and the like are used as the inorganic substances.
- the cultivation is usually carried out at 15 to 40 ° C for 16 to 96 hours under aerobic conditions such as shaking culture or deep aeration stirring culture.
- the pH is maintained at 3.0 to 9.0.
- the pH is adjusted using an inorganic or organic acid, an alkaline solution, urea, calcium carbonate, ammonia, or the like.
- RPMI 1640 medium Eag 1e MEM medium or these mediums can be used.
- a medium to which fetal calf serum or the like is added is used.
- Cultures, 5% C 0 2 presence usually performed 3-7 days at 3 5 to 3 7 ° C, the culture if necessary, kanamycin, be added to the antibiotic penicillamine phosphorus in the medium Good.
- the polypeptide of the present invention can be produced as a fusion protein with another protein, and purified using affinity chromatography using a substance having an affinity for the fused protein.
- affinity chromatography using a substance having an affinity for the fused protein.
- the method of Low et al. Proc. Natl. Acad. Sci. USA, 86, 8227 (1989), Genes Develop., 4, 1288 (1990)] JP-A-05-336963, JP-A-06-823021
- the polypeptide of the present invention can be produced as a fusion protein with protein A, and purified by affinity chromatography using immunoglobulin G.
- Poribe peptide of the present invention F 1 produced as a fusion protein with ag peptide can be force s purified by Afi two tee one chromatography using anti F 1 ag antibody [Proc. Natl. Acad. Sci USA, 86, 8227 (1989), Genes Develop., 4, 1288 (1990)]. Further, the polypeptide can be purified by affinity chromatography using an antibody against the polypeptide itself.
- polypeptide of the present invention may be prepared based on amino acid sequence information of the polypeptide, such as Fmoc method (fluorenylmethyloxycarbonyl method), tBoc method (t-butyloxycarbonyl method) and the like. It can also be manufactured by the chemical synthesis method of (1).
- Chemical synthesis can also be performed using peptide synthesizers such as (Protein Technology Instrument), Synthecell-Vega, PerSeptive and Shimadzu.
- peptide synthesizers such as (Protein Technology Instrument), Synthecell-Vega, PerSeptive and Shimadzu.
- Structural analysis of the purified polypeptide of the present invention is described in a method commonly used in protein chemistry, for example, protein structural analysis for gene cloning (Hisashi Hirano, published by Tokyo Kagaku Dojin, 1993). The method can be implemented by the following method.
- a transgenic animal is an animal obtained by introducing a foreign gene into an animal at an early stage of its development.
- the production of transgenic mice is described below.
- the transgenic mice of the present invention are described in Hogan, B. et al. [Manupulating the mouse embryo. A laboratory manual. 2nd ed. 1994. Cold Spring Harbor Laboratory Press, New York. 96, 357-363 (1984)]. That is, after hormonally-treated female C57BL / 6 mice are mated, the fertilized eggs are removed, and the prepared transgene fragment not containing the vector portion is placed in a microglass pipe in the male pronucleus of the fertilized eggs. And microinjection. Transgenic mice are produced by transplanting several hundred surviving pseudopregnant female mice out of the obtained transgenic eggs into oviducts.
- an antibody that recognizes the polypeptide of the present invention can be prepared as follows.
- the protein obtained above is immunized as an antigen.
- the antigen may be administered subcutaneously, intravenously or intraperitoneally to the animal, but may be administered by binding a carrier protein having high antigenicity, or the antigen may be administered together with an appropriate adjuvant. Is preferred.
- Carrier proteins include keyhole limpet mosquito, keyhole lysine mossin, bovine serum albumin, and bovine thyroglobulin.
- Adjuvants include Freund's complete adjuvant (Co immediately lete Freund's Adjuvant), Aluminum hydroxide gel and B. pertussis vaccine. Examples of the immunized animal include non-human mammals such as rabbits, goats, mice aged 30 to 20 weeks, rats, and hamsters.
- the antigen is administered 3 to 10 times every 1 to 2 weeks after the first administration.
- the dosage of the antigen is preferably 50 to 100/1 g per animal.
- Blood is collected from the fundus venous plexus or tail vein of the immunized animal 3 to 7 days after each administration, and the reactivity of the serum with the antigen is determined by enzyme immunoassay [enzyme immunoassay (ELISA)]. Confirmed in the Medical Shoin Publishing (1976).
- a non-human mammal whose serum shows a sufficient antibody titer is used as a source of serum or antibody-producing cells.
- a monoclonal antibody is prepared by fusing the antibody-producing cells with myeloma cells derived from a non-human mammal to produce a hybridoma, and culturing the hybridoma or administering the hybridoma to an animal to cause the cells to become ascites tumor, It can be prepared by separating and purifying the culture solution or ascites.
- Antibody-producing cells are collected from spleen cells, lymph nodes, peripheral blood, and the like of a non-human mammal to which antigen has been administered.
- mice 8-azaguanine-resistant mice (derived from BALB / c) myeloma cell line P3-X63Ag8-Ul (P3-U1), a cell line obtained from mice [G. Kohler et al. ⁇ Journal ⁇ Journal 'Ebop Immunology. (Europ. J. Immunol.), 6, 511 (1976)], SP2 / 0-Agl4 (SP-2) [ ⁇ . Shulman et al .; Nature, 276 , 269 (1978)], P3-X63-Ag8653 (653) [JF Kearney et al .; Journal of Immunology, J.
- a cell-aggregating medium such as polyethylene glycol-1000 (PEG-1000) is added, and the cells are fused and suspended in a medium.
- PEG-1000 polyethylene glycol-1000
- MEM medium or PBS 1.83 g of sodium phosphate, 0.21 g of phosphate monophosphate, 7.65 g of salt, 1 liter of distilled water, pH 7.2
- a medium for suspending the fused cells a HAT medium ⁇ normal medium [1.5 mM glutamin, 5 ⁇ 10 " 5 2- in RPMI-1640 medium, so that only the desired fused cells can be selectively obtained.
- a part of the culture supernatant is removed, and a sample that reacts with the antigen protein but does not react with the non-antigen protein is selected by enzyme immunoassay. Subsequently, cloning is performed by the limiting dilution method, and those that have a stable and high antibody titer determined by enzyme immunoassay are selected as monoclonal antibody-producing hybridoma strains.
- the antigen protein or cells expressing the antigen protein are coated on a 96-well plate, and the hybridoma culture supernatant or purified antibody is reacted as the primary antibody.
- the plate After the first antibody reaction, the plate is washed and the second antibody is added.
- the second antibody is an antibody obtained by labeling an antibody capable of recognizing the immunoglobulin of the first antibody with biotin, an enzyme, a chemiluminescent substance, a radiation compound, or the like. Specifically, if a mouse was used for preparing the hybridoma, an antibody capable of recognizing mouse immunoglobulin is used as the second antibody.
- a reaction according to the substance labeled with the second antibody is performed, and the antibody is selected as a hybridoma that produces a monoclonal antibody that specifically reacts with the antigen.
- Monoclonal antibodies were cultured in a culture solution obtained by culturing Hypridoma cells or treated with pristane (0.5 ml of 2,6,10,14-tetramethylpentadecane (Pristane) was intraperitoneally administered and bred for 2 weeks).
- Monoclonal antibody-producing hybridoma cells can be intraperitoneally administered to mice or nude mice of 10 to 10 weeks of age to separate and purify the ascites from ascites cancer.
- Methods for separating and purifying monoclonal antibodies include centrifugation, salting out with 40-50% saturated ammonium sulfate, cabrylic acid precipitation, DEAE-Sepharose column, anion exchange column, protein A or G-column or gel filtration column. And the like, which may be performed alone or in combination. According to this method, an IgG or IgM fraction can be collected to obtain a purified monoclonal antibody.
- FIG. 1 shows the results of observing which peptides the established T cell clones RT-1, RT-2 and RT-3 recognize.
- Figure 2 shows that the established killer T cell clone RT-1 derived cells were 1) treated with complement alone, 2) treated with complement and anti-CD8 antibody, 3) treated with complement and anti-CD4 antibody, 4) 4 is a graph showing changes in cytotoxic activity when untreated.
- FIG. 3 shows the results of experiments examining the ability to perform S-specific recognition when P18 was presented with any class I HC molecule.
- Class I HC The KDL, in mice, the class I MHC molecules that present antigens may, K, D, consists regions of L, such in mouse B10 D2, K a, D a , that the L d Show.
- FIG. 4 shows the results obtained by agarose gel electrophoresis of V) 38.1 DNA obtained from the killed T cell clone RT-1 amplified by PCR.
- FIG. 5 shows the results of staining the T cell clone RT-1 with the anti-) 38.1 antibody and analyzing it using flow cytometry.
- FIG. 6 shows the results of confirming the Va 42Hll DNA obtained from the killer T cell clone RT-1 amplified by PCR by agarose gel electrophoresis.
- V region The 13-chain V region (hereinafter referred to as V region) of the mouse T cell receptor is one of V01-V (317). Therefore, based on the characteristic sequence of each 5 'end, A primer (CB04E; SEQ ID NO: 2) based on the designed primer group and the sequence of the mouse T cell receptor 3-chain C region (hereinafter referred to as the C0 region) commonly found in all
- RT-PCR was performed to amplify the clone-derived mRNA, and agarose gel electrophoresis of the obtained sample revealed that cDNA was amplified for the primer of V
- nested PCR was performed by combining a primer of the V] 38 subclass having a sequence different from that of the primer used above with the CB04E primer (SEQ ID NO: 2).
- Agarose gel Electrophoresis result amplification of the cDNA for the primer V 138.1 (SEQ ID NO: 3) was observed (Fig. 4) Furthermore, the RT- 1 anti V
- PCR buffer (xiO) 2 l dGTP, dATP, dTTP and dCTP 2 "each 1, RNase inhibitor 11 1, reverse Add 1 l of transcriptase, 3'-end primer (CB04E) 11 and mRNA 21 and mix with a voltex mixer for several seconds, then cycle at 42 ° C for 15 minutes, 99 at 5 minutes, 5 ° C for 5 minutes for 1 cycle As a result, one cycle of PCR was performed.
- PCR reaction solution a solution of Mg 2 4 1, PCR buffer (X10) 2 w 1, distilled water 65.51, and AmbriTac (AmpliTaq) DNA polymerase 0.51, and a 5′-end primer was added.
- the RT-1 derived mRNA, the primer (SEQ ID NO: 3) from the 5 'end of VJ38.1, the CB04E primer (SEQ ID NO: 2), and the 13-chain cDNA obtained using reverse transcriptase were 1.0% agarose gel containing the entire PCR reaction solution (501-100 / xl)
- Escherichia coli TGI / pH-RTl3 which has been transformed with Escherichia coli TGI / pH-RTl3 transfected with a plasmid pH-RTl / 3 containing DNA encoding the / 3 chain of the T-cell receptor, was released on August 26, 1997 by It has been deposited as FERM BP-6079 at the Institute of Biotechnology, Industrial Technology (1-3-1 Higashi, Tsukuba, Ibaraki, Japan).
- the ⁇ -chain V region (hereinafter referred to as the Va region) of mouse ⁇ cell receptor contains 12 V regions of Val-V ⁇ 12 and its subtypes; considerably more complex than the three chains It is said that about 80 types of V regions exist.
- a primer group designed based on each characteristic sequence and a primer of the C ⁇ region commonly found in all ⁇ chains (Exon-1 3Ca-R; SEQ ID NO: 5)
- mRNA derived from clone RT-1 was amplified by RT-PCR in the same manner as in Example 2-2. Although the experiment was repeated many times, amplification was not performed with any of the primers.
- the mRNA derived from RT-1 and Va42Hll (SEQ ID NO: 4), exon-1 3C ⁇ -R (SEQ ID NO: 5), and the a chain obtained using reverse transcriptase were used.
- cDNA was prepared, dideoxyribose labeled with a dye was added to the purified DNA, and the gene sequence was determined using a gene sequence analyzer.
- the nucleotide sequence of the T-cell receptor a-chain of RT-1 was Va42Hl-Ja25-Ca.
- the amino acid sequence of the T-cell receptor a chain of RT-1 is shown in SEQ ID NO: 9, and the nucleotide sequence is shown in SEQ ID NO: 8.
- the plasmid pH-RTla containing DNA encoding the a-chain of the T cell receptor was introduced.
- Escherichia coli TG1 / PH -RT1 ⁇ which is Escherichia coli, was submitted to the Ministry of International Trade and Industry, Ministry of Industry and Industry's Institute of Biotechnology and Industrial Technology on August 26, 1997 (1-1-3 Higashi, Tsukuba, Ibaraki, Japan). Deposited as FERM BP-6078.
- the T cell receptor a chain often has several subfamilies within the same V region, and it is known that a single T cell expresses two a chains. Even if the V region sequence near the VJC binding site detected by PCR is the same as V ⁇ 42 ⁇ 11, it may be a different subfamily of the same family, with a mutation at the 5 'upstream, and another completely different a-chain. It may have been expressed. Therefore, using the primers of any sequence at the Ca site (GSP-1 and GSP-2 in Fig. 7) and oligo dT primers, the cDNA of the upstream part of Ca from the RT-1 tnRNA was subjected to the 5 'RACE method.
- the V] 3 region does not have a subfamily like the V ⁇ region. Without determining the sequence using the 5 ′ RACE method, the VDJ region and the C region were amplified using RT-PCR, and each was joined to give a total length of V 08.1.
- Example 4 Transgenic mice expressing RT-1 T cell receptor 1. Preparation of transgenic mice expressing T cell receptor
- 3-DNA DNAs encoding T cell receptor ⁇ and / 3 chains
- transgenic mouse mosquitoes into which TCRa and TCR3 as the transgenes were respectively incorporated were obtained.
- These RTlTCRa- and RTCRiS- transgenic mice were combined with wild-type mice. Furthermore, they were crossed with Balb / c mice.
- For MHC genotypes should match the type having the original RT- 1 clone, as with back- Undo the H-2 d, to multiplying the RTlTCRa and RT1TCR0 is H- 2 a Therefore, to produce a mouse that expresses the background of H-2 a, and RTlTCRa] 3.
- TCRa chains and chains in the thus established transgenic mice was examined. The results are shown in FIG. Fluorescent staining with the anti-V (38 antibody (F23.1, manufactured by Pharmindin)) described above resulted in approximately 0% of the 0 chain in normal mice, but almost all CD8-positive cells in transgenic mice were V ] 38 + was found to be 5 ', whereas TCRa chain expression was not possible due to the absence of specific antibodies Therefore, mRNA expression was analyzed by RT-PCR using a primer corresponding to the binding region. RT-1 TCRa chain was hardly detectable in thymus and spleen cells of normal mice. It was found that the expression was considerably high in thymus and spleen cells of transgenic mice.
- Transgenic mice expressing only the TCR chain were analyzed. ⁇ Since antigen recognition by cells is performed by both the TCRa chain and the
- the repertoire of TCR ⁇ chains of T cells induced by in vitro stimulation was examined by RT-PCR.
- the TCR chain before stimulation with HIV gp160 the TCR ⁇ chain of T cells derived from transgenic mice was almost unchanged after stimulation with mosquito using a random ⁇ chain.
- CD8 + T cells were found to have a TCRa chain completely consistent with RT-1. That is, in the case of HIV gp16 ⁇ specific T cells, even if not ⁇ cells having both TCR ⁇
- a component polypeptide of a killer T cell receptor that specifically damages cells infected with human immunodeficiency virus, a DNA encoding the polypeptide, a vector containing the DNA, and a transformation transformed with the vector
- the present invention provides a body, a method for producing a polypeptide constituting a component of a T cell receptor, a transgenic animal expressing a polypeptide constituting a component of a T cell receptor, and an antibody against the polypeptide.
- the component polypeptide of the killer T cell receptor is useful as an anti-HIV agent.
- SEQ ID NO: 2 Oligonucleotide synthesized based on the sequence of C ⁇ 04 ⁇ SEQ ID NO: 3: V of cell receptor
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Description
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Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98944273A EP1029918A4 (en) | 1997-09-26 | 1998-09-28 | HIV-RECOGNIZING T-KILLER T-LYMPHOCYTE RECEPTOR |
CA002304954A CA2304954A1 (en) | 1997-09-26 | 1998-09-28 | Killer t cell receptor recognizing human immunodeficiency virus |
AU91865/98A AU9186598A (en) | 1997-09-26 | 1998-09-28 | Killer t cell receptor recognizing human immunodeficiency virus |
US09/509,347 US6511830B1 (en) | 1997-09-26 | 1998-09-28 | Killer T cell receptor recognizing human immunodeficiency virus |
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JP9/262536 | 1997-09-26 | ||
JP26253697 | 1997-09-26 |
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WO1999016885A1 true WO1999016885A1 (fr) | 1999-04-08 |
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PCT/JP1998/004345 WO1999016885A1 (fr) | 1997-09-26 | 1998-09-28 | Recepteur de lymphocyte t tueur reconnaissant le vih |
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US (1) | US6511830B1 (ja) |
EP (1) | EP1029918A4 (ja) |
AU (1) | AU9186598A (ja) |
CA (1) | CA2304954A1 (ja) |
WO (1) | WO1999016885A1 (ja) |
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US7745180B2 (en) | 2002-04-24 | 2010-06-29 | Hitachi Chemical Co., Ltd. | Device and method for high-throughput quantification of mRNA from whole blood |
US20050277121A1 (en) * | 2004-06-11 | 2005-12-15 | Ambion, Inc. | Crude biological derivatives competent for nucleic acid detection |
WO2006026002A2 (en) * | 2004-08-03 | 2006-03-09 | New York University | T cell receptors with enhanced sensitivity recognition of antigen |
US8178085B2 (en) * | 2005-02-11 | 2012-05-15 | Agency For Science, Technology And Research | Methods of proliferating stem cells |
US20080064631A1 (en) * | 2006-01-13 | 2008-03-13 | Jeffrey Molldrem | T-cell receptors for use in diagnosis and therapy of cancers and autoimmune disease |
CA2674445C (en) * | 2007-01-12 | 2016-06-07 | Government Of The United States Of America, Represented By The Secretary, Department Of Health And Human Services | Gp100-specific t cell receptors and related materials and methods of use |
WO2011064664A2 (en) * | 2009-11-24 | 2011-06-03 | Chrontech Pharma Ab | T cell receptors specific for immunodominant ctl epitopes of hcv |
EP2550362B1 (en) | 2010-03-25 | 2017-01-04 | Oregon Health&Science University | Cmv glycoproteins and recombinant vectors |
CA2832109C (en) | 2011-06-10 | 2021-07-06 | Oregon Health & Science University | Cmv glycoproteins and recombinant vectors |
AU2012216792A1 (en) | 2011-09-12 | 2013-03-28 | International Aids Vaccine Initiative | Immunoselection of recombinant vesicular stomatitis virus expressing HIV-1 proteins by broadly neutralizing antibodies |
US9402894B2 (en) | 2011-10-27 | 2016-08-02 | International Aids Vaccine Initiative | Viral particles derived from an enveloped virus |
EP2679596B1 (en) | 2012-06-27 | 2017-04-12 | International Aids Vaccine Initiative | HIV-1 env glycoprotein variant |
US20150065381A1 (en) | 2013-09-05 | 2015-03-05 | International Aids Vaccine Initiative | Methods of identifying novel hiv-1 immunogens |
EP2873423B1 (en) | 2013-10-07 | 2017-05-31 | International Aids Vaccine Initiative | Soluble hiv-1 envelope glycoprotein trimers |
EP3069730A3 (en) | 2015-03-20 | 2017-03-15 | International Aids Vaccine Initiative | Soluble hiv-1 envelope glycoprotein trimers |
EP3072901A1 (en) | 2015-03-23 | 2016-09-28 | International Aids Vaccine Initiative | Soluble hiv-1 envelope glycoprotein trimers |
US9925258B2 (en) | 2015-10-02 | 2018-03-27 | International Aids Vaccine Initiative | Replication-competent VSV-HIV Env vaccines |
Citations (4)
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WO1985003947A1 (en) * | 1984-03-01 | 1985-09-12 | The Board Of Trustees Of The Leland Stanford Jr. U | T-cell receptor-specific for antigen polypeptides and related polynucleotides |
JPS61257998A (ja) * | 1984-10-31 | 1986-11-15 | マサチユ−セツツ・インステイテユ−ト・オブ・テクノロジ− | ヘテロダイマ性tリンパ球レセプタ |
JPS63276496A (ja) * | 1987-05-07 | 1988-11-14 | Kyowa Hakko Kogyo Co Ltd | 哺乳類T細胞受容体β鎖定常領域ポリペプチド |
JPH08149981A (ja) * | 1993-12-13 | 1996-06-11 | La Jolla Inst For Allergy & Immunology | T細胞α鎖による抗原特異的免疫制御の方法 |
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US4874845A (en) * | 1984-06-13 | 1989-10-17 | Massachusetts Institute Of Technology | T lymphocyte receptor subunit |
DE69834257T2 (de) * | 1997-04-30 | 2007-01-04 | Klingemann, Hans | Natürliche killerzelllinien und verfahren zu ihrer verwendung |
-
1998
- 1998-09-28 EP EP98944273A patent/EP1029918A4/en not_active Withdrawn
- 1998-09-28 US US09/509,347 patent/US6511830B1/en not_active Expired - Lifetime
- 1998-09-28 CA CA002304954A patent/CA2304954A1/en not_active Abandoned
- 1998-09-28 WO PCT/JP1998/004345 patent/WO1999016885A1/ja not_active Application Discontinuation
- 1998-09-28 AU AU91865/98A patent/AU9186598A/en not_active Abandoned
Patent Citations (4)
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WO1985003947A1 (en) * | 1984-03-01 | 1985-09-12 | The Board Of Trustees Of The Leland Stanford Jr. U | T-cell receptor-specific for antigen polypeptides and related polynucleotides |
JPS61257998A (ja) * | 1984-10-31 | 1986-11-15 | マサチユ−セツツ・インステイテユ−ト・オブ・テクノロジ− | ヘテロダイマ性tリンパ球レセプタ |
JPS63276496A (ja) * | 1987-05-07 | 1988-11-14 | Kyowa Hakko Kogyo Co Ltd | 哺乳類T細胞受容体β鎖定常領域ポリペプチド |
JPH08149981A (ja) * | 1993-12-13 | 1996-06-11 | La Jolla Inst For Allergy & Immunology | T細胞α鎖による抗原特異的免疫制御の方法 |
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CEFAI D., ET AL.: "HUMAN IMMUNODEFICIENCY VIRUS-1 GLYCOPROTEINS GP 120 AND GP 160 SPECIFICALLY INHIBIT THE CD3/T CELL-ANTIGEN RECEPTOR PHOSPHOINOSITIDE TRANSDUCTION PATHWAY.", JOURNAL OF CLINICAL INVESTIGATION, AMERICAN SOCIETY FOR CLINICAL INVESTIGATION, US, vol. 86., no. 06., 1 January 1990 (1990-01-01), US, pages 2117 - 2124., XP002915343, ISSN: 0021-9738, DOI: 10.1172/JCI114950 * |
See also references of EP1029918A4 * |
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EP1029918A4 (en) | 2003-01-02 |
EP1029918A1 (en) | 2000-08-23 |
US6511830B1 (en) | 2003-01-28 |
AU9186598A (en) | 1999-04-23 |
CA2304954A1 (en) | 1999-04-08 |
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