Abstract: Compounds represented by the following general formula (I) wherein ring A is benzene, cyclohexane, pyridine, piperidine, a derivative thereof, imidazole, a derivative thereof, etc.; the ring B represents benzene, cyclohexane, pyrrole or a derivative thereof, furan, thiophene, etc.; R1, R2 and R3 represent each hydrogen, alkyl, halogen, hydroxyl, alkoxy, etc.; W represents hydrogen, alkyl or hydroxycarbonylalkyl; X represents halogen, cyano, nitro, etc.; X? represents hydrogen, halogen, etc.; and Y represents alkyl, hydroxyalkyl, hydroxycarbonylalkyl, aminoalkyl, etc.; salt thereof, and drugs comprising these compounds. Because of having an exellent effect of inhibiting activated lymphocyte proliferation, these compounds are usefull as preventives or remedies for various autoimmune diseases.

Abstract: The present invention provides a visual function disorder improving agent containing a compound having Rho kinase inhibitory activity, particularly (R)-(+)-N-(1H-pyrrolo[2,3-b]pyridin-4-yl)-4-(1-aminoethyl)benzamide, as an effective component. This agent has axon of the retinal ganglion cellal extension promoting action and optic nerve cell regeneration promoting action, and is useful for the treatment of a visual function disorder associated with various eye diseases caused by damage, defects, degeneration and the like in the retinal or optic nerve.

Abstract: The present invention relates to a urea derivative of the formula (1) wherein each symbol is as described in the specification, a pharmaceutically acceptable salt thereof and pharmaceutical use thereof. The compound of the present invention has a C5a receptor antagonistic action and is useful as an agent for the prophylaxis or treatment of diseases or syndromes due to inflammation caused by C5a [e.g., autoimmune diseases such as rheumatism, systemic lupus erythematosus and the like, sepsis, adult respiratory distress syndrome, chronic obstructive pulmonary disease, allergic diseases such as asthma and the like, atherosclerosis, cardiac infarction, brain infarction, psoriasis, Alzheimer's disease and serious organ injury (e.g., pneumonia, nephritis, hepatitis, pancreatitis and the like) due to activation of leukocytes caused by ischemia, trauma, burn, surgical invasion and the like].

Abstract: The present invention provides a substance which inhibits the binding between E2/NS1 protein of hepatitis C virus and a cell infectious with hepatitis C virus, a cell expressing CD81, or CD81. The present invention can provide a novel medicament which has an anti-viral effects such as an inhibitory action against HCV infection.

Abstract: Provision of a pharmaceutical agent useful for the treatment of schizophrenia. As a solving means, a therapeutic agent for schizophrenia containing a 4-acylamino-5,6,7,8-tetrahydrofuro[2,3-b]quinoline derivative, an enantiomer thereof, an acid addition salt thereof or a hydrate or solvate thereof as an active ingredient is provided.

Abstract: The present invention aims at providing compounds having therapeutic effects due to a DPP-IV inhibitory action, and satisfactory as pharmaceutical products. The present inventors have found that derivatives having a substituent introduced into the ?-position of proline represented by the formula (I) wherein each symbol is as defined in the specification, have a potent DPP-IV inhibitory activity, and completed the present invention by increasing the stability.

Abstract: The invention relates to a method of treatment of a variety of neurodegenerative diseases such as Alzheimer disease using a imidazo[1,2-a]pyrimidone derivative represented by formula (I) or a salt thereof: Wherein X, R1, R2, and n are as defined herin.

Abstract: The present invention aims at providing compounds having therapeutic effects due to a DPP-IV inhibitory action, and satisfactory as pharmaceutical products. The present inventors have found that derivatives having a substituent introduced into the ?-position of proline represented by the formula (I) wherein each symbol is as defined in the specification, have a potent DPP-IV inhibitory activity, and completed the present invention by increasing the stability.

Abstract: This invention relates to optically active substances of tenatoprazole, (+) and (?)-5-methoxy-2-[(4-methoxy-3,5-dimethyl-2-pyridyl)methyl]sulfinyl}-1H-imidazo[4,5-b]pyridine. The compound and pharmaceutical compositions thereof are useful for anti-ulcer agent.

Abstract: An object of the present invention is to provide a blood-brain barrier disruption inhibitor.

Abstract: The present invention relates to an isoquinoline compound represented by the following formula (I) or (II), an optically active form thereof, a pharmaceutically acceptable salt thereof, a water adduct thereof, a hydrate thereof and a solvate thereof, as well as an agent for the prophylaxis and/or treatment of a disease caused by hyperreactivity of poly(ADP-ribose)polymerase, containing the compound, and a poly(ADP-ribose)polymerase inhibitor containing the compound. In addition, this compound is useful as an agent for the prophylaxis and/or treatment of cerebral infarction, particularly as an agent for the prophylaxis and/or treatment of acute cerebral infarction.

Abstract: A novel human monoclonal antibody specifically recognizing cancer cells such as non-small cell lung cancer, pancreatic cancer and gastric cancer cells is produced by hybridomas which are obtained by fusing lymphocytes derived from a cancer tissue of a cancer patient with mouse myeloma cells. An anti-cancer drug is obtained by using the antibody alone or anchoring the antibody on the surface of a liposome containing a toxin or an anti-cancer drug encapsulated therein. More specifically, an anti-cancer drug is obtained by using an antibody, in which variable region of its heavy chain comprises the amino acid sequence of SEQ ID NO: 115 and variable region of the light chain comprises the amino acid sequence of SEQ ID NO: 117, alone or anchoring the antibody on the surface of a liposome containing a toxin or an anti-cancer drug encapsulated therein.

Abstract: The present invention relates to a compound of the formula wherein R1 is substituted aryl, heteroaryl and the like, R2 and R3 are hydrogen, alkyl, halogen, hydroxyl group and the like, Q is N, CH and the like, W is hydrogen, alkyl, hydroxycarbonylalkyl and the like, X is halogen, cyano, nitro, amino and the like, X? is hydrogen, halogen, cyano, nitro, and Y is alkyl, hydroxyl group, alkoxy, mercapto and the like and a salt thereof, and a medicine containing the said compound. The compound of the present invention shows a superior inhibitory effect on activated lymphocytes proliferation and is useful as an agent for the prophylaxis or treatment of various autoimmune diseases.

Abstract: An antigen having a part which is exposed on the surface of a cell at the formation of a tumor mass, and a pharmaceutical composition and a labeling agent comprising a ligand which recognizes the antigen.

Abstract: The invention relates to substituted-pyrimidone derivatives represented by formula (I) or a salt thereof: wherein X, Y, R1, R2, R3, R4, R5, n, p and q are as defined herein. The invention relates also to a medicament comprising the said derivative or a salt thereof as an active ingredient which is used for preventive and/or therapeutic treatment of a neurodegenerative disease caused by abnormal activity of GSK3?, such as Alzheimer's disease.

Abstract: The invention relates to a substituted-pyrimidone derivative represented by formula (I) or a salt thereof: wherein X, Y, R1, R2, R3, R4, R5, n, p and q are as described herein. The invention relates also to a medicament comprising the said derivative or a salt thereof as an active ingredient which is used for preventive and/or therapeutic treatment of a neurodegenerative disease caused by abnormal activity of GSK3?, such as Alzheimer disease.

Abstract: The present invention relates to a novel sulfonic acid derivative of hydroxamic acid or a pharmacologically acceptable salt thereof. More particularly, the present invention relates to a sulfonic acid derivative of hydroxamic acid or a pharmacologically acceptable salt thereof, which is useful as an inhibitor of lipopolysaccharides (LPS). In addition, the present invention relates to a novel intermediate compound useful for the synthesis of this sulfonic acid derivative of hydroxamic acid.

Abstract: The invention relates to a pyrimidone derivative represented by formula (I) or a salt thereof: wherein: X represents hydrogen atoms, a sulphur atom, an oxygen atom or a C1-2 alkyl group and a hydrogen atom; Y represents a bond, an ethenylene group, an ethynylene group, a 1,2-cyclopropylene, an oxygen atom, a sulphur atom, a sulfonyl group, a sulfoxyde group, a carbonyl group, a nitrogen atom being optionally substituted; or a methylene group optionally substituted; R1 represents a 2, 3 or 4-pyridyl group optionally substituted by a C3-6 cycloalkyl group a C1-4 alkyl group, a C1-4 alkoxy group, a benzyl group or a halogen atom; when Y represents a bond, a methylene group optionally substituted or a carbonyl group then R2 represents a C1-6 alkyl group, a C3-6 cycloalkyl group, a C1-4 alkylthio group, a C1-4 alkoxy group, a C1-2 perhalogenated alkyl group, a C1-3 halogenated alkyl group, a 5,6,7,8-tetrahydronaphthyl ring, a naphthyl ring, a phenylthio group, a benzyl group, a phenyl ring, a pyridyl ring

Abstract: The present invention provides dihydropyrazolopyridine compounds represented by the formula (I): wherein each symbol is as defined in the specification, optically active forms thereof, and pharmaceutically acceptable salts thereof and hydrates thereof. The compounds of the present invention show a selective and strong inhibitory activity on glycogen synthase kinase-3 beta (GSK-3?), and are useful as medicaments for prevention and/or treatment of diabetes, diabetic complications and neurodegenerative diseases or as immunopotentiators.

Abstract: The present invention relates to a compound of the general formula wherein R1, R2, R3 and R4 are each a hydrogen or an acyl, a pharmaceutically acceptable acid addition salt thereof or a hydrate thereof; a pharmaceutical comprising this compound; a pharmaceutical composition comprising this compound and a pharmaceutically acceptable carrier; and 2-amino-2-(2-(4-(1-hydroxy-5-phenylpentyl)phenyl)ethyl)propane-1,3-diol or 2-amino-2-(2-(4-formylphenyl)ethyl)propane-1,3-diol, the derivatives of the two compounds whose amino group and/or hydroxy group are(is) protected or a salt thereof. The compound of the present invention shows superior immunosuppressive action with less toxicity and higher safety, and is useful as a drug for prevention or suppression of rejection of organs or bone marrow transplantation, or as a drug for prevention or treatment of various autoimmune diseases or allergic diseases.