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112 results about "Immunity disorders" patented technology

Humanized FcgammaRIIB-specific antibodies and methods of use thereof

The present invention relates to humanized FcγRIIB antibodies, fragments, and variants thereof that bind human FcγRIIB with a greater affinity than said antibody binds FcγRIIA. The invention encompasses the use of the humanized antibodies of the invention for the treatment of any disease related to loss of balance of Fc receptor mediated signaling, such as cancer, autoimmune and inflammatory disease. The invention provides methods of enhancing the therapeutic effect of therapeutic antibodies by administering the humanized antibodies of the invention to enhance the effector function of the therapeutic antibodies. The invention also provides methods of enhancing the efficacy of a vaccine composition by administering the humanized antibodies of the invention. The invention encompasses methods for treating an autoimmune disease and methods for elimination of cancer cells that express FcγRIIB.
Owner:MACROGENICS INC

CD47 related compositions and methods for treating immunological diseases and disorders

Provide herein are fusion polypeptides that comprise a CD47 extracellular domain or a variant thereof that is fused to a Fc polypeptide. The fusion polypeptides are useful for treating an immunological disease or disorder in a subject according to the methods described herein. The fusion polypeptides are capable of suppressing immunoresponsiveness of an immune cell, inhibiting production of proinflammatory cytokines, including inhibiting immune complex-induced production of cytokines.
Owner:THE BOARD OF TRUSTEES OF THE LELAND STANFORD JUNIOR UNIV

Suppression of transplant rejection

The present invention relates to a transplant rejection in an animal suppressed by administration of an antibody directed at a cell surface antigen selected from the group consisting of CD4, CD8, CD154, LFA-1, CD80, CD86 and ICAM-1, preferably an anti-CD4 antibody, together with a non-cellular protein antigen to generate in the animal a population of regulatory T-lymphocytes; reactivating said population of regulatory T-lymphocytes by further administration to the animal of the non-cellular protein antigen; and transplanting said organ or tissue whilst said population of regulatory T-lymphocytes is activated. Regulatory T cells can be generated ex vivo by culturing T cells with an antibody directed at a cell surface antigen selected from the group consisting of CD4, CD8, CD154, LFA-1, CD80, CD86 and ICAM-1, in the presence of cells that present either alloantigen or a non-cellular protein antigen. Ex vivo generated T-lymphocytes can be used as an alternative method of overcoming transplant rejection or in combination with the in vivo method. A similar approach can be adopted for the treatment of autoimmune conditions.
Owner:ISIS INNOVATION LTD

FcRn-based therapeutics for the treatment of auto-immune disorders

InactiveUS20020138863A1Increased catabolismShort livedDepsipeptidesAntibody ingredientsDiseaseTransgenic knockout
Disclosed is a transgenic knockout mouse whose genome comprises a homozygous disruption in its endogenous FcRn gene, wherein said homozygous disruption prevents the expression of a functional FcRn protein, resulting in a transgenic knockout mouse in which exogenously administered IgG1 exhibits a substantially shorter half-life, as compared to the half-life of exogenously administered IgG1 in a wild-type mouse. Also disclosed is a transgenic knockout mouse whose genome comprises a homozygous disruption in its endogenous FcRn gene, wherein said homozygous disruption prevents the expression of a functional FcRn protein, resulting in a transgenic knockout mouse which is unable to absorb maternal IgG in the prenatal or neonatal stage of development Methods of using the transgenic knockout mouse, and cells derived therefrom, are also disclosed.
Owner:JACKSON LAB THE

Propylene glycol derivatives, preparation method thereof, pharmaceutical composition and use thereof

The invention discloses a new class of propylene glycol derivatives represented by the general formula (I), a preparation method thereof, a pharmaceutical composition containing them, and their use as medicines, especially immunomodulatory medicines. This kind of compound with excellent curative effect and low toxicity can be used for immune disorder and immunosuppression; and can be used for treatment and / or low immunity, rejection after organ transplantation and autoimmune disease. General formula (I)
Owner:INST OF MATERIA MEDICA AN INST OF THE CHINESE ACAD OF MEDICAL SCI

Cyclic peptides for treatment of cachexia

A highly selective melanocortin-4 receptor antagonist cyclic hexapeptide of the formula where R1, R2, R3a, R3b, R4, R5, x, y and z are as defined in the specification, and a method of treating body weight disorders, including cachexia, sarcopenia and wasting syndrome or disease, and treating inflammation and immune disorders.
Owner:PALATIN TECH INC

Microarray-ELISA detecting reagent kit for detecting autoimmunity disease relevant antibody spectrum

InactiveCN101063680AImprove throughputHigh parallelMaterial analysisDiffuse sclerodermaAutoimmune responses
This invention relates to one anti-extracting nuclear antigen spectrum array to ELISA test agent case for selecting for systematic lupus erythematosus, mixed connective tissue disease, Sjogren syndrome, systemic scleroderma, polymyositis and atrophic arthritis system self immune property antigen ENA spectrum micro array to enzyme immune agent case.
Owner:BEIJING BGI GBI BIOTECH +4

Pemphigus monoclonal antibody

The present invention provides a monoclonal antibody having a pathogenic activity that can induce pemphigus lesion, a peptide specifically recognized by the monoclonal antibody and useful as a therapeutic drug for pemphigus autoimmune disease, etc. As anti-mouse Dsg3 antibody-producing cells are present in the splenocytes of pemphigus vulgaris mouse model constructed by using autoantigen knockout mouse, cell fusion was conducted with the splenocytes of said mouse model and mouse myeloma cells using polyethyleneglycol, hybridomas were constructed, and monoclonal antibodies against Dsg3 were constructed. Among them, a monoclonal antibody having a pathological activity that can induce pemphigus lesions was screened, the base sequence and amino acid sequence in its variable region (heavy chain, light chain) was determined, and the specific epitope part was identified.
Owner:KEIO UNIV

Non-agonistic antibodies to human gp39, compositions containing, and therapeutic use thereof

The present invention is directed to antibodies which bind human gp39, are antagonistic of the CD40 / CD40L interaction, but are non-agonistic of T-cell activation. The present invention is further directed to the use of these antibodies as therapeutic agents. These antibodies are especially useful for treatment of autoimmune diseases; and an immunosuppressant during transplantation of heterologous cells, tissues or organs, cell therapy, and gene therapy.
Owner:BIOGEN INC

Pegylated CD154 peptides and methods of inhibiting CD40 interacations with CD154

The present invention provides methods and materials for treating and preventing autoimmune diseases. In particular, the present invention relates to the discovery that small peptides are capable of interacting with CD40, thereby interfering with the ability of CD40 to interact with CD 154, which is important in inflammation. The present invention also relate to the use of such peptides in reducing the inflammatory response, and in particular, the autoimmune inflammatory response. The present invention also relates to the use of such short peptides to prevent or reverse autoimmune disease, and particular, diabetes, in individuals suffering from such disease. It also relates to methods and materials for detecting T-cells that express CD40 (Th40 cells). Also provided are kits for reducing inflammation, treating autoimmune diseases, or detecting Th40 cells.
Owner:UNIV OF COLORADO THE REGENTS OF

Amino propanediol derivatives, preparation method, drug compositions and uses thereof

The invention discloses a class of amino propanediol derivatives, a preparation method, drug compositions and uses thereof, and particularly relates to a class of new immunoloregulation agents represented by a general formula (I), a preparation method, drug compositions containing the immunoloregulation agents, and especially uses of the immunoloregulation agents as immunoloregulation drugs. The compound with characteristics of excellent treatment effect and low toxicity can be used in the fields of immunologic derangement and immunosuppression, and can further be used for treatment of hypoimmunity, organ transplant rejection and autoimmune diseases. The formula I is defined in the instruction.
Owner:INST OF MATERIA MEDICA AN INST OF THE CHINESE ACAD OF MEDICAL SCI

Thienopyrimidine-based inhibitors of the src family

Various thienopyrimidine-based analog compounds are able to selectively inhibit the Src family of tyrosine kinases. Compounds of the present invention, capable of such selective inhibition, are of the basic structure seen in formulae (I), (II) or (III):These compounds are useful in the treatment of a wide variety of diseases including hyperproliferative diseases, hematologic allergic / immunological diseases, or viral infections. Methods of synthesis of these compounds and their methods of inhibiting the Src family of tyrosine kinases are presented.
Owner:BOARD OF RGT THE UNIV OF TEXAS SYST
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