Copolymer 1 inhibits experimental autoimmune uveoretinitis. 2000

M Zhang, and C C Chan, and B Vistica, and V Hung, and B Wiggert, and I Gery
National Eye Institute, NIH, Bethesda, MD 20892-1857, USA.

Copolymer 1 (Cop 1) inhibits experimental allergic encephalomyelitis induced by a variety of myelin proteins, but has been found ineffective so far in inhibiting other experimental autoimmune diseases such as diabetes or arthritis. Here, we report for the first time that Cop I inhibits the development of experimental autoimmune uveoretinitis, induced in mice by interphotoreceptor retinoid-binding protein (IRBP). Pooled data of three experiments showed that treatment with Cop 1, at 0.5 mg/mouse, reduced the disease severity by 53% ( p = 0.0002). Cop 1 treatment also inhibited the proliferation and the production of cytokines by lymph node cells in response to IRBP and moderately reduced the antibody response to this antigen. The possible mechanisms of EAU inhibition by Cop 1 are discussed.

UI MeSH Term Description Entries
D007166 Immunosuppressive Agents Agents that suppress immune function by one of several mechanisms of action. Classical cytotoxic immunosuppressants act by inhibiting DNA synthesis. Others may act through activation of T-CELLS or by inhibiting the activation of HELPER CELLS. While immunosuppression has been brought about in the past primarily to prevent rejection of transplanted organs, new applications involving mediation of the effects of INTERLEUKINS and other CYTOKINES are emerging. Immunosuppressant,Immunosuppressive Agent,Immunosuppressants,Agent, Immunosuppressive,Agents, Immunosuppressive
D008198 Lymph Nodes They are oval or bean shaped bodies (1 - 30 mm in diameter) located along the lymphatic system. Lymph Node,Node, Lymph,Nodes, Lymph
D008213 Lymphocyte Activation Morphologic alteration of small B LYMPHOCYTES or T LYMPHOCYTES in culture into large blast-like cells able to synthesize DNA and RNA and to divide mitotically. It is induced by INTERLEUKINS; MITOGENS such as PHYTOHEMAGGLUTININS, and by specific ANTIGENS. It may also occur in vivo as in GRAFT REJECTION. Blast Transformation,Blastogenesis,Lymphoblast Transformation,Lymphocyte Stimulation,Lymphocyte Transformation,Transformation, Blast,Transformation, Lymphoblast,Transformation, Lymphocyte,Activation, Lymphocyte,Stimulation, Lymphocyte
D008214 Lymphocytes White blood cells formed in the body's lymphoid tissue. The nucleus is round or ovoid with coarse, irregularly clumped chromatin while the cytoplasm is typically pale blue with azurophilic (if any) granules. Most lymphocytes can be classified as either T or B (with subpopulations of each), or NATURAL KILLER CELLS. Lymphoid Cells,Cell, Lymphoid,Cells, Lymphoid,Lymphocyte,Lymphoid Cell
D010455 Peptides Members of the class of compounds composed of AMINO ACIDS joined together by peptide bonds between adjacent amino acids into linear, branched or cyclical structures. OLIGOPEPTIDES are composed of approximately 2-12 amino acids. Polypeptides are composed of approximately 13 or more amino acids. PROTEINS are considered to be larger versions of peptides that can form into complex structures such as ENZYMES and RECEPTORS. Peptide,Polypeptide,Polypeptides
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D005128 Eye Diseases Diseases affecting the eye. Eye Disorders,Eye Disease,Eye Disorder
D005136 Eye Proteins PROTEINS derived from TISSUES of the EYE. Proteins, Eye
D005260 Female Females
D000068717 Glatiramer Acetate A random polymer of L-ALANINE, L-GLUTAMIC ACID, L-LYSINE, and L-TYROSINE that structurally resembles MYELIN BASIC PROTEIN. It is used in the treatment of RELAPSING-REMITTING MULTIPLE SCLEROSIS. Copaxone,Glatiramer,TV 5010,TV-5010,TV5010,5010, TV,Acetate, Glatiramer

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