Abstract: A novel dipeptide compound inhibiting the enzymatic activity of HIV protease and an anti-AIDS medicine comprising this dipeptide compound as an effective component represented by formula (I) wherein R1, R2, and R3 independently represent C1-4 alkyl, alkoxyl, hydrogen etc . . . (provided that not all of the R1, R2, and R3 are hydrogen), R2 and R3 may form a ring together, R4 represents C1-4 alkyl or hydrogen; X is a methylene group or a sulfur atom; Y represents e.g., a five or six member monocycle or aryloxyalkyl having up to 12 carbon atoms (provided that the aromatic ring may be substituted by alkyl etc . . . ); and Z represents a C1-6 aliphatic hydrocarbon or an aromatic hydrocarbon having up to 12 carbon atoms (provided that this aromatic ring may be substituted by alkyl etc . . . , or at least one carbon atom in the aromatic hydrocarbon may be replaced by a hereto atom).

Abstract: An HLA-A2 restricted tumor antigen peptide originated fromr SART-1, derivatives thereof having characteristics functionally equivalent thereto; therapeutic, prophylactic or diagnostic agents for tumors which utilize the tumor antigen peptide or its derivative, a recombinant DNA, recombinant polypeptide or antibody related to said tumor antigen peptide, or use thereof; an antigen presenting cell presenting the said tumor antigen peptide or use thereof; cytotoxic T lymphocyte specific for said tumor antigen peptide or use thereof.

Abstract: There are provided a method of determining a genotype of CYP2A6 gene on the basis of a difference in gene structures of a wild-type gene of CYP2A6 and at least one kind of mutant-type gene associated with mutation of CYP2A6 gene; the method mentioned above, wherein one kind of mutant-type gene associated with mutation of CYP2A6 gene is used, and the mutant-type gene is conversion-type CYP2A6 gene comprising the nucleotide sequence of SEQ ID NO: 4; the method mentioned above, wherein homozygous deletion and heterozygous deletion of CYP2A6 gene are determined by using at least two kinds of mutant-type genes associated with mutation of CYP2A6 gene; a method of determining a genotype of a CYP gene, characterized by carrying out a method comprising the method mentioned above to determine the genotype of the CYP gene; a diagnostic kit for determining a genotype of CYP2A6 gene, comprising 5′-primer capable of hybridizing to both exon 8 of CYP2A6 gene and exon 8 of CYP2A 7 gene, 3′-primer capable of speci

Abstract: A compound given by general formula (1): [wherein T represents oxygen or sulfur atom, Y represents alkyl, cycloalkyl group, etc., ring W represents benzene ring, etc., R1 and R2 represent independently hydrogen atom, lower alkyl group, etc., and R3 represents hydrogen atom, alkyl group, etc. Z represents a group given by formula: {wherein A1 and A2 represent independently hydrogen atom, alkyl group, etc. and G represents straight chain alkylene having 1-6 of the carbon number, etc.} or a group given by formula: {wherein n represents 0, 1 or 2, ring E represents 4-8 membered saturated heterocyclic ring containing nitrogen atom(s), and A3 represents hydrogen atom, alkyl group, etc.}], its prodrug or pharmaceutically acceptable salt thereof is an antagonist against muscarinic receptor that is useful as anticholinergic medicaments, and therefore it is useful as pollakiuria or urinary incontinence remedy.

Abstract: A serotonin reuptake inhibitor containing a cyclic amine represented by the following formula, a prodrug thereof, or a pharmaceutically acceptable salt of said cyclic amine or prodrug as an active ingredient: 1

Abstract: Novel semaphorin Z; a gene thereof; a partial peptide of the semaphorin Z; an antibody; a DNA or an RNA complementary to the semaphorin Z gene; a method for screening a semaphorin Z inhibitor by using the semaphorin Z; the semaphorin Z inhibitor obtained by the screening; and a CNS neuron regeneration promoter comprising the inhibitor.

Abstract: Novel &bgr;-lactam compound of the formula [1]: wherein R1 is lower alkyl or hydroxy-substituted lower alkyl, R2 is H or lower alkyl, X is O or, S, R3 is H, metal or protecting group, W is a 6- or 7-membered nitrogen-containing heterocycle optionally being substituted at carbon atoms. Said &bgr;-lactam compound shows excellent antibacterial activity against Gram-positive bacteria, particularly against methicillin-resistant Staphylococcus aureus and methicillin-resistant and coagulase-negative Staphylococcus aureus.

Abstract: Novel semaphorin Z; a gene thereof; a partial peptide of the semaphorin Z; an antibody; a DNA or an RNA complementary to the semaphorin Z gene; a method for screening a semaphorin Z inhibitor by using the semaphorin Z; the semaphorin Z inhibitor obtained by the screening; and a CNS neuron regeneration promoter comprising the inhibitor.

Abstract: 1.

Abstract: Semaphorin Y inhibiting neurite outgrowth, and a nucleotide sequence therefor, as well as other Semaphorin sequences hybridizing to the Semaphorin Y sequence, modified proteins or partial peptides of Semaphorin Y, antibodies against Semaphorin Y, antisense nucleotides against Semaphorin Y gene, and the use of such substances as pharmaceutical or diagnostic agents or laboratory reagents are disclosed. Further, a method of screening for Semaphorin Y antagonists employing Semaphorin Y, Semaphorin Y antagonists obtained by the screening method, pharmaceutical agents comprising such antagonists, and transgenic animals involving Semaphorin Y are also disclosed.

Abstract: A DNA characterized by coding for a single-stranded antibody capable of binding to a hepatitis B virus core protein: a single-stranded antibody coding for the DNA: a therapeutic agent for hepatitis B comprising the single-stranded antibody as the active ingredient; and a gene therapeutic agent containing the DNA as the active ingredient.

Abstract: The present invention provides Semaphorin Y inhibiting neurite outgrowth, and a gene therefor, as well as other Semaphorins hybridizing to said Semaphorin Y gene, modified proteins or partial peptides of said Semaphorin Y, antibodies against said Semaphorin Y, antisense nucleotides against said Semaphorin Y gene, and the use of such substances as pharmaceutical or diagnostic agents or laboratory reagents. The present invention further provides a method of screening for Semaphorin Y antagonists employing said Semaphorin Y, Semaphorin Y antagonists obtained by said screening method, pharmaceutical agents comprising such antagonists, and transgenic animals involving said Semaphorin Y.

Abstract: An oral formulation comprising a biguanide and an organic acid has less unpleasant tastes such as bitterness and saltiness.

Abstract: There is provided a tablet preparation showing quick disintegratability in the mouth and good sensory acceptability and yet having an adequate strength to resist damage in the course of distribution. Each tablet comprises a starch, a water-soluble excipient and a medicament and does not substantially contain a binder other than starch.

Abstract: The present invention provides novel tricyclic indole-2-carboxylic acids of the following chemical formula, which have potent NMDA receptor antagonistic activity.

Abstract: The present invention provides a therapeutic agent for treatment of diabetes and hyperlipemia, especially a therapeutic agent for treatment of type II diabetes mellitus, which comprises as the active ingredient a neurotrophic factor such as BDNF (brain-derived neurotrophic factor), ligands of trkB or trkC receptors, NGF, NT-3, NT-4/5, CNTF, GDNF, HGF, etc. Different from conventional oral hypoglycemic agents being mainly used in the treatment of type II diabetes mellitus, the agent of the present invention exhibit blood lipid regulating effects and body fat accumulation regulating effects, in addition to the blood glucose regulating effects. Thus, the agent of the present invention are novel, and can reduce the risk factors in diabetes accompanied by hyperlipemia or obesity, without using any other agent.

Abstract: Highly efficient gene integration or gene replacement in the higher eucaryote including animal cells can be performed by using mutant loxP site having the following properties (a)-(c) in the present invention. (a) a nucleotide sequence wherein, in a wild-type loxP site of the following formula (SEQ ID NO: 1) derived from E.

Abstract: The present invention provides a novel Semaphorin having neurite-outgrowth inhibition activity or proteins analogous thereto, peptide fragments of, or antibodies against, such proteins, genes encoding such proteins, expression vectors for said genes, transformed cells into which said expression vectors have been introduced, methods for producing a recombinant protein which employ said transformed cells, antisense nucleotides against the above genes, transgenic animals involving insertion or deletion of the above genes, and screening methods for antagonists of the above proteins, all of which are useful mainly in diagnoses, treatments, or studies relating to neurological diseases. The present invention further provides use of such proteins, peptides, antibodies, genes, or antisense nucleotides as pharmaceutical or diagnostic agents or laboratory reagents.

Abstract: A compound of the formula: 1

Abstract: A pyrimidine derivative of the formula (1) or a salt thereof; has an inhibitory activity of production of Th2 type cytokines such as IL-4, IL-5, etc., and is useful as an therapeutic agent for allergic diseases, autoimmune diseases such as systemic lupus erythemathosus, etc., and acquired immunodeficiecy syndrome (AIDS) and so on.