Abstract: The present invention provides an 8-oxoadenine compound having immunemodulating activities such as an interferon inducing activity and useful as an antiviral agent and antiallergic agent, which is represented by the following formula (1): [wherein the ring A represents a 6-10 membered aromatic carbocyclic ring and the like, R represents a halogen atom, an alkyl group and the like, n represents an integer of 0-2, Z1 represents alkylene, X2 represents oxygen atom, sulfur atom, SO2, NR5, CO, CONR5, NR5CO and the like, Y1, Y2 and Y3 represent independently a single bond or an alkylene group, X1 represents oxygen atom, sulfur atom, NR4 (R4 is hydrogen atom or an alkyl group) or a single bond, R2 represents a substituted or unsubstituted alkyl group, R1 represents hydrogen atom, hydroxy group, an alkoxy group, an alkoxycarbonyl group or a haloalkyl group] or its pharmaceutically acceptable salt.

Abstract: The present invention relates to a medicament comprising lurasidone or a pharmaceutically acceptable acid addition salt thereof for treating pervasive developmental disorders and a method of the treatment thereof.

Abstract: The present invention relates to a novel serotonin reuptake inhibitor which also exhibits 5-HT2C antagonistic action (antidepressive and anxiolytic effects), in particular, 5-HT2C inverse agonistic action comprising Compound (1): or a pharmaceutically acceptable salt thereof wherein R1, R2, R3 and R4 are independently hydrogen or C1-6 alkyl etc.; R5 is C4-7 alkyl or —(CR8R9)r-E; R6, R7, R8 and R9 are independently hydrogen, fluorine or C1-6 alkyl; A is C6-10 aryl or heteroaryl etc.; r is 1, 2, 3 or 4; E is C3-8 cycloalkyl or C6-10 aryl etc.; L is oxygen, sulfur or —NR10—; n is 1, 2 or 3; R10 is hydrogen or C1-6 alkyl etc.; and X is hydrogen or halogen etc.

Abstract: The present invention provides an agent for determining Alzheimer's disease, comprising an anti-S38AA antibody, a method of determining Alzheimer's disease in a test animal, comprising detecting an S38AA fragment in a sample collected from said animal, and a method of screening for a substance that treats or prevents Alzheimer's disease, comprising contacting a test substance with a cell permitting measurement of production of a S38AA fragment, measuring the production amount of the S38AA fragment in the cell, and comparing the production amount with that of the S38AA fragment in a control cell free of contact with the test substance, and selecting a test substance that down-regulates the production amount of the S38AA fragment as a substance capable of treating or preventing Alzheimer's disease, based on the comparison results.

Abstract: Disclosed is a benzylpiperizine compound represented by formula (1) or a pharmaceutically acceptable salt thereof, which is useful as a medicinal agent such as an antidepressant agent. (In the formula (1), R1 represents a hydrogen atom or a methyl group; R2 is a group bound in a p- or m-position relative to a methylene group and represents a chlorine atom bound in a p-position, a bromine atom bound in a p-position, a methyl group bound in a p-position, a chlorine atom bound in a m-position or a bromine atom bound to in a m-position; X represents a methylene or an oxygen atom; and n represents an integer of 1 to 3.

Abstract: A therapeutic/preventive agent for cognitive dysfunctions, which comprises as an active ingredient an imide derivative of the following formula [1]: wherein Z is a group of the formula [2]: D is a group of —(CH2)p-A-(CH2)q—; G is ?N—, —CH—, etc.; and Ar is an aromatic heterocyclic group, etc.

Abstract: A molecular marker for detecting a cancer stem cell in a cell mass which is a subject of interest, wherein the molecular marker can be detected in a cancer stem cell contained in the subject of interest but cannot be detected in a normal cell and a cancer cell that is different from a cancer stem cell; a method for determining the presence or absence of a cancer stem cell in a subject of interest by using the molecular marker as an measure; a kit for determining the presence or absence of a cancer stem cell, which comprises at least a reagent for detecting the molecular marker; a polypeptide encoded by the molecular marker; an antibody capable of recognizing an epitope of an expression product of a gene derived from the molecular marker; a nucleic acid capable of inhibiting the expression of the molecular marker; and a nucleic acid vaccine comprising a gene derived from the molecular marker.

Abstract: The present invention provides compounds which show high effectiveness against positive symptoms, negative symptoms and cognitive dysfunction in schizophrenia and reduce conventional side-effect risks as well as have remarkable effects for central neurological diseases associated with cognitive dysfunction other than schizophrenia. N-Acyl cyclic amine derivatives of formula (1): wherein Ar1 and Ar2 are aryl or heteroaryl; V is nitrogen, or CR3; W1 is a single bond, —C(O)—, etc.; W2 is C1-alkylene; W3 is a single bond, methylene, —NH—, —CR4?CR5—, etc.; Ring Q is a group of formula (a) in which n is 0 or 1; m is 0 to 2; k is 1 to 3; Z is a single bond, methylene, oxygen, etc.; R1a, R1b and R1c are each, same or different, hydrogen, hydroxyl, halogen, cyano, C1-6 alkyl, etc.; or pharmaceutically acceptable salts thereof are provided.

Abstract: The present invention provides compounds of formula (I) wherein Ra, R1, R2, R3, X1, Y1, Z1, A, n and m are as defined in the specification, and pharmaceutically acceptable salts thereof, as well as processes for their preparation, pharmaceutical compositions containing them and their use in therapy.

Abstract: Provided is a compound represented by formula (1) or a pharmacologically acceptable salt thereof. (In the formula, A is C6-10 arylene, etc.; R1a, R1b and R1c each independently is a hydrogen atom, a halogen atom, a C1-4 alkyl group, a C1-4 alkoxy group, etc.; R2 is an optionally substituted C6-10 aryl group, an optionally substituted 5- to 12-membered monocyclic or polycyclic heteroaryl group, an optionally substituted C7-16 aralkyl group, etc.; m is 0, etc.; n is an integer of 0 to 2.

Abstract: The present invention provides an anti-CD81 antibody usable as a pharmaceutical product for human. Specifically, the present invention provides an anti-human CD81 antibody capable of binding to a peptide region consisting of the amino acid sequence of the amino acid numbers 80 to 175 in the amino acid sequence shown in SEQ ID NO:22.

Abstract: A process for efficiently producing optically active succinimide derivatives as key intermediates of (3R)-2?-(4-bromo-2-fluorobenzyl)spiro{pyrrolidine-3,4?(1?H)-pyrrolo[1,2-a]pyrazine}-1?,2,3?,5(2?H)-tetraone, which comprises the following reaction steps, and the step 2 is performed by using a non-animal-derived enzyme.

Abstract: The invention provides salts of 4-(dimethylamino)butyl 2-(4-((2-amino-4-methyl-6-(pentylamino)pyrimidin-5-yl)methyl)phenyl)acetate, pharmaceutical compositions containing them and their use in therapy.

Abstract: The invention provides a compound for the treatment or prophylaxis of pathology involving SNS, specifically diseases such as neuropathic pain, nociceptive pain, dysuria, multiple sclerosis and the like.

Abstract: The present invention provides an agent for the prophylaxis or therapy of autoimmune diseases or allergic diseases, which contains an anti-Embigin antibody, particularly an anti-Embigin antibody showing cytotoxicity or a cytotoxicity inducing activity, an agent for the prophylaxis or therapy of diseases involving Th17 cell, and a cytotoxic agent to Th17 cell. In addition, an agent for detection of Th17 cell, which contains an anti-Embigin antibody, a convenient detection method of Th17 cell, which uses the agent, a method of efficiently delivering a drug and the like in a Th17 cell selective manner, which uses an anti-Embigin antibody, and a drug delivery system to Th17 cell are provided.

Abstract: The present invention provides an anti-CD81 antibody usable as a pharmaceutical product for human. Specifically, the present invention provides an anti-human CD81 antibody capable of binding to a peptide region consisting of the amino acid sequence of the amino acid numbers 80 to 175 in the amino acid sequence shown in SEQ ID NO:22.

Abstract: Disclosed is a novel biaryl amide derivative represented by formula (1) and having an affinity for the aldosterone receptor; also disclosed is a pharmaceutically acceptable salt thereof. (In the formula, A is any of the groups represented by formula (a); L is —CONH—, etc.; R1 is a substitutable aminosulfonyl group, etc.; R2 is a hydrogen atom, etc.; R3 is a hydrogen atom, etc.; R4 is a hydrogen atom, a halogen atom, hydroxy group, a substitutable amino group, a substitutable C1-6 alkoxy group, a substitutable 4- to 7-membered cyclic amino group, etc.; R5a, R5b and R5c are each independently hydrogen atoms, etc.; R6 is a halogen atom, a cyano group, etc.; R7 and R8 are each independently a hydrogen atom, etc.; and m is an integer such as 0.

Abstract: The present invention aims to provide a method for the prophylaxis or treatment of metabolic syndrome, which can discontinue the domino effect-like chain of diseases in metabolic syndrome in the upstream by suppressing infiltration of macrophage into the adipose tissues. The present invention provides a method for the prophylaxis or treatment of a metabolic syndrome, including a step of administering an AIM inhibitor to a subject.

Abstract: The present invention provides compounds of formula (I) wherein Ra, R1, R2, R3, X1, Y1, Z1, A, n and m are as defined in the specification, and pharmaceutically acceptable salts thereof, as well as processes for their preparation, pharmaceutical compositions containing them and their use in therapy.

Abstract: The present invention is a process for preparing (3R)-2?-(4-bromo-2-fluorobenzyl)spiro-[pyrrolidine-3,4?(1?H)-pyrrolo[1,2-a]pyrazine]-1?,2,3?,5(2H?)-tetraone, comprising, for example, the following steps: (1) reacting a compound of the formula (III) wherein R is a C1-6 alkyl group, with 2,5-dimethoxytetrahydrofuran to provide a compound of the formula (IV) wherein R is a C1-6 alkyl group; (2) reacting the compound of the formula (IV) wherein R is a C1-6 alkyl group, with trichloroacetyl chloride to provide a compound of the formula wherein R is a C1-6 group; and (3) reacting the compound provided in step (2) with 4-bromo-2-fluorobenzylamine to provide (3R)-2?-(4-bromo-2-fluorobenzyl)spiro-[pyrrolidine-3,4?(1?H)-pyrrolo[1,2-a]pyrazine]-1?,2,3?,5(2H?)-tetraone.