Abstract: DNA primers effective in screening G protein coupled receptor protein-encoding DNA fragments are provided. The primers which are complementary to nucleotide sequences that are in community with (homologous to) the nucleotide sequences encoding amino acid sequences corresponding to or near the first membrane-spanning domain or the sixth membrane-spanning domain each of known various G protein coupled receptor proteins were designed and synthesized. Methods of amplifying G protein coupled receptor protein-encoding DNAs using the above DNA primers, and novel target G protein coupled receptor protein-encoding DNAs are also provided. Screening of DNA libraries can be efficiently carried out. Human pituitary gland or amygdala-derived and mouse pancreas-derived G protein coupled receptor proteins, etc.

Abstract: Rabbit gastropyrolic part smooth muscle-derived G protein coupled receptor proteins, partial peptides thereof; and DNAs containing said protein or partial peptide-encoding DNA are provided. The receptor protein and the DNA coding for said protein can be used for {circle over (1)} determination of ligands; {circle over (2)} acquisition of antibody and antiserum; {circle over (3)} construction of expression system for of a recombinant type receptor protein; {circle over (4)} development of the receptor binding assay system using said expression system and screening of the candidate compounds for pharmaceuticals; {circle over (5)} conducting a drug design based upon a comparison with structurally analogous ligands and receptors; {circle over (6)} preparation of probes and PCR primers for a gene diagnosis; {circle over (7)} preparation of transgenic animals; and {circle over (8)} preparation of model patient animals deficient in the receptor protein DNA.

Abstract: Rabbit gastropyrolic part smooth muscle-derived G protein coupled receptor proteins, partial peptides thereof; and DNAs containing said protein or partial peptide-encoding DNA are provided. The receptor protein and the DNA coding for said protein can be used for {circle over (1)} determination of ligands; {circle over (2)} acquisition of antibody and antiserum; {circle over (3)} construction of expression system for of a recombinant type receptor protein; {circle over (4)} development of the receptor binding assay system using said expression system and screening of the candidate compounds for pharmaceuticals; {circle over (5)}conducting a drug design based upon a comparison with structurally analogous ligands and receptors; {circle over (6)} preparation of probes and PCR primers for a gene diagnosis; {circle over (7)} preparation of transgenic animals; and {circle over (8)}preparation of model patient animals deficient in the receptor protein DNA.

Abstract: This invention relates to a novel polypeptide involving in the modulation of central nervous system function, circulatory function, immune function, gastrointestinal function, metabolic function, reproductive function, etc., it can be used as a drug for treating or preventing a variety of diseases, e.g. HIV infection or AIDS (acquired immune deficiency syndrome) or the like.

Abstract: The present invention provides novel G protein-coupled receptor proteins derived from mouse heart and rat whole brain, which are useful in screening agonists/antagonists, etc., DNAs encoding these proteins, and the like.

Abstract: DNA primers effective in screening G protein coupled receptor protein-encoding DNA fragments are provided. The primers which are complementary to nucleotide sequences that are in community with (homologous to) the nucleotide sequences encoding amino acid sequences corresponding to or near the first membrane-spanning domain or the sixth membrane-spanning domain each of known various G protein coupled receptor proteins were designed and synthesized. Methods of amplifying G protein coupled receptor protein-encoding DNAs using the above DNA primers, and novel target G protein coupled receptor protein-encoding DNAs are also provided. Screening of DNA libraries can be efficiently carried out. Human pituitary gland or amygdala-derived and mouse pancreas-derived G protein coupled receptor proteins, etc.

Abstract: A gonadotropin-releasing hormone antagonistic composition, which comprises an optionally substituted condensed-bicyclic compound consisting of a homo or hetero 5 to 7 membered ring and a homo or hetero 5 to 7 membered ring is effective as a propylactic or therapeutic agent for the prevention or treatment of several hormone dependent diseases, for example, a sex hormone dependent cancer (e.g. prostatic cancer, cancer of uterine cervix, breast cancer, pituitary adenoma), benign prostatic hypertrophy, myoma of the uterus, endometriosis, precocious puberty, amenorrhea, premenstrual syndrome, pplycystic ovary syndrome and acne vulgaris; is effective as a fertility controlling agent in both sexes (e.g.

Abstract: Galanin receptor proteins, production and use thereof including screening of galanin receptor agonists and antagonists are provided. Galanin receptor proteins, etc. or salts thereof, partial peptides thereof, DNAs coding for the above galanin receptor protein, processes for producing the above receptor protein, methods of screening for a galanin receptor agonist and/or antagonist or screening kits therefor, agonist and/or antagonist compounds or salts thereof obtained by the above screening method or the screening kit, pharmaceutical compositions containing the above compound or its salt, and antibodies against the above receptor protein are provided. It is allowable to efficiently screen a galanin receptor agonist or antagonist by using the galanin receptor protein, the partial peptide thereof, the galanin receptor protein-encoding DNA, the receptor protein-containing cell or its membrane fraction.

Abstract: This invention relates to a novel polypeptide involving in the modulation of central nervous system function, circulatory function, immune function, gastrointestinal function, metabolic function, reproductive function, etc., it can be used as a drug for treating or preventing a variety of diseases, e.g. HIV infection or AIDS (acquired immune deficiency syndrome) or the like.

Abstract: This invention relates to a human amygdaloid nucleus-derived G protein coupled receptor protein or a salt thereof, a partial peptide of the G protein coupled receptor protein, DNA encoding the G protein coupled receptor protein, a method of producing the G protein coupled receptor protein, a method of identifying a ligand to the G protein coupled receptor protein, a method or kit for screening out compounds capable of changing the binding activity of a ligand to the G protein coupled receptor protein, a compound or a salt thereof obtained by the screening method or by using the screening kit, a pharmaceutical composition comprising the compound or a salt thereof, and an antibody against the G protein coupled receptor protein or a partial peptide.

Abstract: The present invention relates to the murine- derived ligand polypeptide for the G protein-coupled receptor proteins.

Abstract: Galanin receptor proteins, production and use thereof including screening of galanin receptor agonists and antagonists are provided. Galanin receptor proteins, etc. or salts thereof, partial peptides thereof, DNAs coding for the above galanin receptor protein, processes for producing the above receptor protein, methods of screening for a galanin receptor agonist and/or antagonist or screening kits therefor, agonist and/or antagonist compounds or salts thereof obtained by the above screening method or the screening kit, pharmaceutical compositions containing the above compound or its salt, and antibodies against the above receptor protein are provided. It is allowable to efficiently screen a galanin receptor agonist or antagonist by using the galanin receptor protein, the partial peptide thereof, the galanin receptor protein-encoding DNA, the receptor protein-containing cell or its membrane fraction.

Abstract: This invention relates to a human amygdaloid nucleus-derived G protein coupled receptor protein or a salt thereof, a partial peptide of the G protein coupled receptor protein, DNA encoding the G protein coupled receptor protein, a method of producing the G protein coupled receptor protein, a method of identifying a ligand to the G protein coupled receptor protein, a method or kit for screening out compounds capable of changing the binding activity of a ligand to the G protein coupled receptor protein, a compound or a salt thereof obtained by the screening method or by using the screening kit, a pharmaceutical composition comprising the compound or a salt thereof, and an antibody against the G protein coupled receptor protein or a partial peptide.

Abstract: The present invention relates to the ligand polypeptide for the human pituitary- and mouse pancreas-derived G protein-coupled receptor proteins. The ligand polypeptide or the DNA which codes for the ligand polypeptide can be used for (1) development of medicines such as pituitary function modulators, central nervous system function modulators, and pancreatic function modulators, and (2) development of recombinant receptor proteins and screening of pharmaceutical candidate compounds. In particular, by the receptor binding assay systems utilizing the expression of recombinant G protein-coupled receptor proteins in accordance with the invention, agonists and antagonists of G protein-coupled receptors which are specific to human and other warm-blooded animals can be screened and the agonists or antagonists obtained can be used as therapeutic and prophylactic agents for various diseases.

Abstract: A gonadotropin-releasing hormone antagonistic composition, which comprises an optionally substituted condensed-bicyclic compound consisting of a homo or hetero 5 to 7 membered ring and a homo or hetero 5 to 7 membered ring is effective as a propylactic or therapeutic agent for the prevention or treatment of several hormone dependent diseases, for example, a sex hormone dependent cancer (e.g. prostatic cancer, cancer of uterine cervix, breast cancer, pituitary adenoma), benign prostatic hypertrophy, myoma of the uterus, endometriosis, precocious puberty, amenorrhea, premenstrual syndrome, polycystic ovary syndrome and acne vulgaris; is effective as a fertility controlling agent in both sexes (e.g.

Abstract: The thienopyrimidine derivatives of the present invention are described in the following formula: The thienopyrimidine derivatives of the present invention are useful for treating mammals suffering from disorders related to gonadotropin realeasing hormone (GnRH).

Abstract: Disclosed are CHO cells which are capable of continued production of human LH-RH receptor proteins, or cell membrane fractions thereof; recombinant human LH-RH receptor proteins or partial peptides thereof; methods for screening compounds which have affinity for an LH-RH receptor by contacting the compound with the CHO cells or the cell membrane fractions thereof, or the recombinant human LH-RH receptor proteins or the partial peptides thereof; kits for screening them; the compounds which have affinity for the LH-RH receptor obtained by methods for the screening or kits for the screening; and pharmaceutical compositions containing the compound, thereby being able to early provide prophylactic or therapeutic compositions, for example, for prostate cancer, uterine cancer, breast cancer, a pituitary tumor, endometriosis, hysteromyoma or precocious puberty. They are also useful as a pregnancy controlling composition such as contraceptive or a menstrual cycle controlling composition.

Abstract: DNA primers effective in screening G protein coupled receptor protein-encoding DNA fragments are provided. The primers which are complementary to nucleotide sequences that are in community with (homologous to) the nucleotide sequences encoding amino acid sequences corresponding to or near the first membrane-spanning domain or the sixth membrane-spanning domain each of known various G protein coupled receptor proteins were designed and synthesized. Methods of amplifying G protein coupled receptor protein-encoding DNAs using the above DNA primers, and novel target G protein coupled receptor protein-encoding DNAs are also provided. Screening of DNA libraries can be efficiently carried out. Human pituitary gland or amygdala-derived and mouse pancreas-derived G protein coupled receptor proteins, etc.

Abstract: Human G-protein coupled receptor polypeptides and DNA (RNA) encoding such polypeptides and a procedure for producing such polypeptides by recombinant techniques is disclosed. Also disclosed are methods for utilizing such polypeptides for identifying antagonists and agonists to such polypeptides and methods of using the agonists and antagonists therapeutically to treat conditions related to the underexpression and overexpression of the G-protein coupled receptor polypeptides, respectively. Also disclosed are diagnostic methods for detecting a mutation in the G-protein coupled receptor nucleic acid sequences and an altered level of the soluble form of the receptors.

Abstract: A novel G-protein coupled receptor protein, a partial peptide and their salts are disclosed. DNA encoding the receptor protein, production of the receptor protein, determination of a ligand to the receptor protein, a method for screening for compounds which inhibit ligand binding to the receptor protein, a kit for screening for such compounds are also disclosed. The receptor protein, its partial peptide and their salts are used for screening for candidate compounds of drugs and the like.