Abstract: A novel piperidine derivative and a novel piperazine derivative which are useful as novel sigma receptor ligands, and an agent for treatment of diseases involving a central nervous system disorders, said agent containing one of the compound as an active ingredient. The agent contains a compound represented by general formula (I) or a pharmacologically acceptable salt thereof as an active ingredient: wherein X represents an alkylene group having 1 to 5 carbon atoms, and the alkylene group may be substituted by one or more alkyl groups each having 1 to 2 carbon atoms; Y represents a carbon atom or a nitrogen atom; and R1 and R2 each independently represents a hydrogen atom, a halogen atom, an alkyl group having 1 to 2 carbon atoms or an alkoxy group having 1 to 2 carbon atoms.

Abstract: Disclosed is a novel cyclohexylamine derivative containing a phenyl group, which is useful as a novel sigma receptor ligand. Also disclosed is a therapeutic agent for diseases accompanied by a central nervous system disorder, which comprises the compound as an active ingredient.

Abstract: The present invention is to provide a novel water channel opener having the activity to open an AQP water channel and a pharmaceutical composition for ophthalmic use comprising the opener as an active ingredient, particularly a lacrimation stimulant.

Abstract: The present invention has its objects to provide a novel polypeptide having water channel activity and to a DNA sequence encoding for the polypeptide. This invention is related to a novel polypeptide having water channel activity which has the amino acid sequence, within the molecule thereof, shown in the sequence listing under SEQ ID NO: 1.

Abstract: Objects of the present invention are to create compounds having urea structure as basic structure and having a sulfur atom and an amide bond in side chains and to find pharmacological effects thereof, particularly TNF-&agr; production inhibitory effects. The present invention provides compounds represented by the following formula [I] wherein R1 is H, alkyl, aromatic, RA—CO—, RC—S— or the formula [II]; R2, R3 and R4 are H, alkyl, alkenyl, cycloalkyl, cycloalkenyl or aromatic; R5 and R6 are H, alkyl, alkenyl, cycloalkyl, cycloalkenyl or aromatic; R5 and R6 can together form a nonaromatic heterocyclic ring; R7 is H, alkyl, cycloalkyl, hydroxy, mercapto, phenyl, RB—O—, RC—S—, RD—COS—, RE—OCO—, RF—N(RG)— or —CONHOH; and A1 and A2 are alkylene.

Abstract: N-Substituted-N′-substituted urea derivatives represented by the following formula, analogs thereof or pharmaceutically acceptable salts thereof are herein provided. These compounds show a TNF-&agr; production inhibitory activity.

Abstract: N-Substituted-N′-substituted urea derivatives represented by the following formula, analogs thereof or pharmaceutically acceptable salts thereof are herein provided. These compounds show a TNF-&agr; production inhibitory activity.

Abstract: Objects of the present invention are to create compounds having urea structure as basic structure and having a sulfur atom and an amide bond in side chains and to find pharmacological effects thereof, particularly TNF-&agr; production inhibitory effects.

Abstract: Objects of the present invention are to create compounds having urea structure as basic structure and having a sulfur atom and an amide bond in side chains and to find pharmacological effects thereof, particularly TNF-&agr; production inhibitory effects. The present invention provides compounds represented by the following formula [I] wherein R1 is H, alkyl, aromatic, RA—CO—, RC—S—or the formula [II]; R2, R3 and R4 are H, alkyl, alkenyl, cycloalkyl, cycloalkenyl or aromatic; R5 and R6 are H, alkyl, alkenyl, cycloalkyl, cycloalkenyl or aromatic; R5 and R6 can together form a nonaromatic heterocyclic ring; R7 is H, alkyl, cycloalkyl, hydroxy, mercapto, phenyl, RB—O—, RC—S—, RD—COS—, RE—OCO—, RF—N(RG)— or —CONHOH; and A1 and A2 are alkylene.

Abstract: A method for preventing or treating drug dependence comprising administering to a human in need thereof a pharmaceutically effective amount of a 1,4-(diphenylalkyl)piperazine compound represented by the following formula [I] or a pharmaceutically acceptable salt thereof, wherein R1 is lower alkoxy; R2 is lower alkoxy; A is lower alkylene and B is lower alkylene;

Abstract: The present invention has its objects to provide a novel polypeptide having water channel activity and to a DNA sequence encoding for the polypeptide.

Abstract: A method for inhibiting angiogenesis comprising administering to a patient (mammal, such as a human) in need thereof, a pharmaceutically effective amount of an angiogenesis inhibitor containing a compound of formula (I) or a pharmaceutically acceptable salt thereof, either alone or in combination with a pharmaceutically acceptable carrier. The method of treatment may be used to treat diseases in which the angiogenesis participates, particularly retinal diseases such as diabetic retinopathy, macular degeneration, retinal vein occlusion and retinal artery occlusion, neovascular glaucoma and tumors such as hemangioma.

Abstract: An object of the present invention is to provide novel urea derivatives which have TNF-&agr; production inhibitory effects and are useful as therapeutic agents for various diseases, particularly as therapeutic agents for autoimmune diseases such as rheumatoid arthritis. The urea derivatives according to the present invention are compounds represented by the formula [I] and salts thereof. In the formula, R1 is H, alkyl, phenyl or a group of the formula [`I]; R2 is H, alkyl, carboxyl or ester thereof or the like; R3 and R4 are each H, alkyl, cycloalkyl or the like; R5 is H, alkyl, hydroxy or the like; R6 is a nitrogen aromatic heterocycle; and A1 and A2 are alkylene.

Abstract: N-Substituted-N′-substituted urea derivatives represented by the following formula, analogs thereof or pharmaceutically acceptable salts thereof are herein provided. These compounds show a TNF-&agr; production inhibitory activity.

Abstract: N-Substituted-N′-substituted urea derivatives represented by the following formula, analogs thereof or pharmaceutically acceptable salts thereof are herein provided. These compounds show a TNF-&agr; production inhibitory activity.

Abstract: A method for preventing or treating drug dependence comprising administering to a human in need thereof a pharmaceutically effective amount of a 1,4-(diphenylalkyl)piperazine compound represented by the following formula [I] or a pharmaceutically acceptable salt thereof, wherein R1 is lower alkoxy; R2 is lower alkoxy; A is lower alkylene and B is lower alkylene; 1

Abstract: A method for inhibiting angiogenesis comprising administering to a patient (mammal, such as a human) in need thereof, a pharmaceutically effective amount of an angiogenesis inhibitor containing a compound of formula (I) or a pharmaceutically acceptable salt thereof, either alone or in combination with a pharmaceutically acceptable carrier. The method of treatment may be used to treat diseases in which the angiogenesis participates, particularly retinal diseases such as diabetic retinopathy, macular degeneration, retinal vein occlusion and retinal artery occlusion, neovascular glaucoma and tumors such as hemangioma.

Abstract: An object of the present invention is to provide novel urea derivatives which have TNF-&agr; production inhibitory effects and are useful as therapeutic agents for various diseases, particularly as therapeutic agents for autoimmune diseases such as rheumatoid arthritis. The urea derivatives according to the present invention are compounds represented by the formula [I] and salts thereof. In the formula, R1 is H, alkyl, phenyl or a group of the formula [`I]; R2 is H, alkyl, carboxyl or ester thereof or the like; R3 and R4 are each H, alkyl, cycloalkyl or the like; R5 is H, alkyl, hydroxy or the like; R6 is a nitrogen aromatic heterocycle; and A1 and A2 are alkylene.

Abstract: A therapeutic agent for glaucoma comprises (+)-(R)-3,4-Dihydro-2-[5-methoxy-2-[3-[N-methyl-N-[2-[(3,4-methylenedioxy) phenoxy]ethyl]amino]propoxy]phenyl]-4-methyl-3-oxo-2H-1,4-benzothiazine or its salt as active ingredient and pharmaceutically acceptable excipients. The therapeutic agent lowers the intraocular pressure upon topical or systemic administration.

Abstract: The present invention has its objects to provide a novel polypeptide having water channel activity and to a DNA sequence encoding for the polypeptide. This invention is related to a novel polypeptide having water channel activity which has the amino acid sequence, within the molecule thereof, shown in the sequence listing under SEQ ID NO:1.