Abstract: As a substance which pharmacologically regulates the function of a cell surface functional molecule, a substance which has specificity and an activity or efficacy equal or superior to an antibody and does not require an advanced production technique and facility for application thereof to a pharmaceutical product has been demanded. The invention relates to a multimer of an extracellular domain of a cell surface functional molecule, particularly a tetramer of an extracellular domain of PD-1 or PD-L1. Further, the invention relates to an application of such a tetramer as a preventive and/or therapeutic agent for cancer, cancer metastasis, immunodeficiency, an infectious disease or the like and an application of PD-1 or PD-L1 as a testing or diagnostic agent or a research agent for such a disease.

Abstract: The compound represented by formulae (I) and (II), the salt thereof, the N-oxide thereof or the solvate thereof, or the prodrug thereof and the pharmaceutical composition comprising thereof have a CXCR4-regulating effect, and they are effective in treatment and prevention of various inflammatory disease, various allergic disease, acquired immunodeficiency syndrome infection with human immunodeficiency virus, or agents for regeneration therapy. (wherein ring A represents a nitrogen-containing heterocyclic group which may have a substituent(s); ring B represents a homocyclic group which may have a substituent(s) or a heterocyclic group which may have a substituent(s); and Y represents a hydrocarbon group which may have a substituent(s), a heterocyclic group which may have a substituent(s), an amino group which may be protected, a hydroxyl group which may be protected or a mercapto group which may be protected; T represents ring A or an amino group which may be protected.

Abstract: Compositions for cancer or infection treatment via immunopotentiation caused by inhibition of immunosuppressive signal induced by PD-1, PD-L1, or PD-L2 and therapies using them, immunopotentiative substrates included as the active ingredient, screening methods of the substrates for cancer or infection treatment, cell lines used for the screening methods, evaluation methods that select the substrates for cancer treatment, and carcinoma cell transplanted mammals used for the evaluation methods. The compositions of the present invention that inhibits the function of PD-1, PD-L1, or PD-L2 are useful for treatment of cancer or infection.

Abstract: A compound represented by general formula (I): a salt thereof, a solvate thereof, or a prodrug thereof wherein all symbols are as defined in the specification has an antagonistic activity against CXCR4 and is therefore useful as a preventive and/or therapeutic agent for CXCR4-mediated diseases, for example, inflammatory and immune diseases (for example, rheumatoid arthritis, arthritis, systemic erythematosus, retinopathy, macular degeneration, pulmonary fibrosis, transplanted organ rejection, etc.), allergic diseases, infections (for example, human immunodeficiency virus infection, acquired immunodeficiency syndrome, etc.), psychoneurotic diseases, cerebral diseases, cardiac/vascular disease (for example, arteriosclerosis, myocardial infarction, stenocardia, cerebral infarction, chronic arterial occlusive disease, etc.), metabolic diseases, and cancerous diseases (for example, cancer, cancer metastasis, etc.

Abstract: The invention relates to a compound represented by formula (I): a salt thereof, an N-oxide thereof, or a solvate thereof (symbols in the formula are as described in the specification). The compound of the present invention exhibits very low risk of side effects and also has persistent and strong antagonistic activity against CXCR4, and is therefore useful as pharmaceuticals, for example, preventive and/or therapeutic agent for inflammatory and immune diseases, infections (for example, HIV infection), diseases associated with HIV infection (for example, acquired immunodeficiency syndrome (AIDS)), cancer, cancer metastasis, psychoneurotic diseases and cardiovascular diseases (for example, retinopathy), metabolic diseases, cancerous diseases, or an agent for regeneration therapy.

Abstract: The compound represented by formulae (I) and (II), the salt thereof, the N-oxide thereof or the solvate thereof, or the prodrug thereof and the pharmaceutical composition comprising thereof have a CXCR4-regulating effect, and they are effective in treatment and prevention of various inflammatory disease, various allergic disease, acquired immunodeficiency syndrome infection with human immunodeficiency virus, or agents for regeneration therapy. (wherein ring A represents a nitrogen-containing heterocyclic group which may have a substituent(s); ring B represents a homocyclic group which may have a substituent(s) or a heterocyclic group which may have a substituent(s); and Y represents a hydrocarbon group which may have a substituent(s), a heterocyclic group which may have a substituent(s), an amino group which may be protected, a hydroxyl group which may be protected or a mercapto group which may be protected; T represents ring A or an amino group which may be protected.).

Abstract: A compound represented by formula (I), a salt thereof, an N-oxide thereof, a solvate thereof or a prodrug thereof: (wherein each symbol is as defined in the description.) The compounds represented by formula (I) has the antagonistic activity against CCR5, so they are useful in preventing and/or treating CCR5-related diseases, for example, various inflammatory diseases (asthma, nephritis, nephropathy, hepatitis, arthritis, rheumatoid arthritis, rhinitis, conjunctivitis, inflammatory bowel disease such as ulcerative colitis, etc.), immunological diseases (autoimmune diseases, rejection in organ transplantation (rejection of graft of solid organ, rejection of graft of pancreatic islet cells in therapy for diabetes, graft-versus-host disease, etc.), immunosuppression, psoriasis, multiple sclerosis, etc.), infectious diseases (infection with human immunodeficiency virus, acquired immunodeficiency syndrome, infection with RSV, etc.

Abstract: Novel polypeptides produced by a human adult brain tissue, a cell line derived therefrom, a cell line derived from human bone marrow and a human umbilical cord venous endothelial cell line; a process for producing these polypeptides; cDNAs encoding the polypeptides; fragments hybridizable selectively with the cDNA sequences; replication or expression plasmids having the cDNAs integrated thereinto; host cells transformed by the plasmids; antibodies against the above polypeptides; and medicinal compositions containing the peptides or the antibodies.

Abstract: The present invention relates to a substance specific to human PD-1 comprising a part that recognizes human PD-1, a part that recognizes a membrane protein in cell membrane of human PD-1-expressing cells, and linkers. Since the substance specific to human PD-1 selectively can recognize human PD-1 and a membrane protein on cell membrane of human PD-1-expressing cells and can transmit inhibitory signal of human PD-1, it is useful for therapy and/or prevention of diseases caused by immunopathy.

Abstract: The compound represented by formula (I), a salt thereof, an N-oxide thereof, a solvate thereof, or a prodrug thereof specifically binds CCR5, so it is useful for preventing and/or treating CCR5-related diseases, for example, various inflammatory diseases (asthma, nephritis, nephropathy, hepatitis, arthritis, rheumatoid arthritis, rhinitis, conjunctivitis, ulcerative colitis, etc.), immunological diseases (autoimmune diseases, rejection in organ transplantation, immunosuppression, psoriasis, multiple sclerosis, etc.), infectious diseases (infection with human immunodeficiency virus, acquired immunodeficiency syndrome, etc.), allergic diseases (atopic dermatitis, urticaria, allergic bronchopulmonary aspergillosis, allergic eosinophilic gastroenteritis, etc.), ischemic reperfusion injury, acute respiratory distress syndrome, shock accompanying bacterial infection diabetes cancer metastasis and so on Wherein all symbols in formula are as defined in the specification.

Abstract: The present invention relates to a substance specific to human PD-1 comprising a part that recognizes human PD-1, a part that recognizes a membrane protein in cell membrane of human PD-1-expressing cells, and linkers. Since the substance specific to human PD-1 selectively can recognize human PD-1 and a membrane protein on cell membrane of human PD-1-expressing cells and can transmit inhibitory signal of human PD-1, it is useful for therapy and/or prevention of diseases caused by immunopathy.

Abstract: A compound represented by formula (I), a salt thereof, an N-oxide thereof, a solvate thereof or a prodrug thereof: (wherein each symbol is as defined in the description.) The compounds represented by formula (I) has the antagonistic activity against CCR5, so they are useful in preventing and/or treating CCR5-related diseases, for example, various inflammatory diseases (asthma, nephritis, nephropathy, hepatitis, arthritis, rheumatoid arthritis, rhinitis, conjunctivitis, inflammatory bowel disease such as ulcerative colitis, etc.), immunological diseases (autoimmune diseases, rejection in organ transplantation (rejection of graft of solid organ, rejection of graft of pancreatic islet cells in therapy for diabetes, graft-versus-host disease, etc.), immunosuppression, psoriasis, multiple sclerosis, etc.), infectious diseases (infection with human immunodeficiency virus, acquired immunodeficiency syndrome, infection with RSV, etc.

Abstract: The present invention relates to a compound represented by formula (I-0): wherein symbols in formula have the same meanings as described in the present specification, a salt thereof, an N-oxide thereof or a solvate thereof or a prodrug thereof, and medical use thereof. The compound of the present invention has an antagonistic activity against CXCR4 and is therefore useful as a preventive and/or therapeutic agent for CXCR4-mediated diseases, for example, inflammatory and immune diseases (for example, rheumatoidarthritis, arthritis, retinopathy, pulmonary fibrosis, transplanted organ rejection, etc.), allergic diseases, infections (for example, human immunodeficiency virus infection, acquired immunodeficiency syndrome, etc.), psychoneurotic diseases, cerebral diseases, cardiovascular disease, metabolic diseases, and cancerous diseases (for example, cancer, cancer metastasis, etc.), or an agent for regeneration therapy.

Abstract: The present invention relates to a compound represented by formula (I-0): wherein symbols in formula have the same meanings as described in the present specification, a salt thereof, an N-oxide thereof or a solvate thereof or a prodrug thereof, and medical use thereof. The compound of the present invention has an antagonistic activity against CXCR4 and is therefore useful as a preventive and/or therapeutic agent for CXCR4-mediated diseases, for example, inflammatory and immune diseases (for example, rheumatoid arthritis, arthritis, retinopathy, pulmonary fibrosis, transplanted organ rejection, etc.), allergic diseases, infections (for example, human immunodeficiency virus infection, acquired immunodeficiency syndrome, etc.), psychoneurotic diseases, cerebral diseases, cardiovascular disease, metabolic diseases, and cancerous disease (for example, cancer, cancer metastasis, etc.), or an agent for regeneration therapy.

Abstract: A purpose of the present invention is to provide a method capable of more effectively prescribing an anti-human PD-1 antibody for anti-cancer therapy, a method for estimating or optimizing therapeutic efficacy thereof, and further an efficacy marker that can be used in methods thereof. The present invention enables selection of the cancer patient in whom the therapeutic efficacy of the anti-human PD-1 antibody can be expected in future, by measuring the change which is more than a certain level of several kinds of efficacy markers in blood after administering the initial dose or doses of the anti-human PD-1 antibody compared to that prior to administering the initial dose, and provides a new prescription of the anti-human PD-1 antibody for anti-cancer therapy.

Abstract: Compositions for cancer or infection treatment via immunopotentiation caused by inhibition of immunosuppressive signal induced by PD-1, PD-L1, or PD-L2 and therapies using them, immunopotentiative substrates included as the active ingredient, screening methods of the substrates for cancer or infection treatment, cell lines used for the screening methods, evaluation methods that select the substrates for cancer treatment, and carcinoma cell transplanted mammals used for the evaluation methods. The compositions of the present invention that inhibits the function of PD-1, PD-L1, or PD-L2 are useful for treatment of cancer or infection.

Abstract: A compound represented by the following general formula (I), its salt, solvates thereof or prodrugs thereof: (wherein each symbol is as defined in the description.) The compounds represented by the general formula (I) are useful in preventing and/or treating various inflammatory diseases (asthma, nephritis, nephropathy, hepatitis, arthritis, rheumatoid arthritis, rhinitis, conjunctivitis, ulcerative colitis, etc.), immunological diseases (autoimmune diseases, rejection in organ transplantation, immunosuppression, psoriasis, multiple sclerosis, etc.), infection with human immunodeficiency virus (acquired immunodeficiency syndrome, etc.), allergic diseases (atopic dermatitis, urticaria, allergic bronchopulmonary aspergillosis, allergic eosinophilic gastroenteritis, etc.), ischemic reperfusion injury, acute respiratory distress syndrome, shock accompanying bacterial infection, diabetes, cancer metastasis and so on.

Abstract: The present invention relates to a CXCR3 antagonist comprising a compound represented by formula (I) (wherein all the symbols have the same meaning as defined in the description), a salt thereof, a quaternary ammonium salt thereof, an N-oxide form thereof or a solvate thereof, or a prodrug thereof. This antagonist is useful as a preventive, therapeutic and/or progression-suppressing agent for a CXCR3-mediated disease such as an immune or an allergic disease [e.g., an atopic disease, an autoimmune disease (e.g., multiple sclerosis, rheumatoid arthritis, systemic lupus erythematosus, type I diabetes, glomerulonephritis, Sjogren's syndrome and the like), systemic inflammatory response syndrome (SIRS), a rejection response to transplanted organ, tissue and/or cell or the like], a gastrointestinal disease [e.g., an inflammatory bowel disease or the like], or a respiratory disease [e.g., asthma, a chronic obstructive pulmonary disease or the like].

Abstract: Compounds that can recognize selectively both PD-1 protein and a membrane protein co-existing with PD-1 on a cell membrane, and can transmit a suppressive signal of PD-1. The compounds are useful for medical treatment and/or prevention of diseases caused by immune abnormality.

Abstract: Novel polypeptides produced by a human adult brain tissue, a cell line derived therefrom, a cell line derived from human bone marrow and a human umbilical cord venous endothelial cell line; a process for producing these polypeptides; cDNAs encoding the polypeptides; fragments hybridizable selectively with the cDNA sequences; replication or expression plasmids having the cDNAs integrated thereinto; host cells transformed by the plasmids; antibodies against the above polypeptides; and medicinal compositions containing the peptides or the antibodies.