Multiple Sclerosis Therapeutic Strategy for the Treatment of and Presentation by HLA-DR2b as a Small Molecule Inhibitor of Antigen Binding
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P122: Small Molecules as Chemical and Pharmacological Tools for Neuroinflammatory Diseases Treatment (with Emphasis on Multiple Sclerosis)
Multiple Sclerosis (MS) is a neuroinflammatory disease resulting in degeneration of the myelin sheaths and death of oligodendrocytes. So far, several strategies have been introduced to control the disease. Treatment with small molecules is one of the strategies that have recently attracted the attention in the scientific community. These molecules that target epigenetic and other cellular proce...
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Human leukocyte antigen (HLA)-DR15 is a haplotype associated with multiple sclerosis. It contains the two DRB* genes DRB1*1501 (DR2b) and DRB5*0101 (DR2a). The reported anchor motif of the corresponding HLA-DR molecules was determined in 1994 based on a small number of peptide ligands and binding assays. DR2a could display a set of peptides complementary to that presented by DR2b or, alternativ...
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One of the important parts of innate immunity is complement system that occurs in three different ways; the classic, the alternative and the lectin pathway. The four pattern recognition molecules that have been identified till now are Mannose binding lectin (MBL), a component of lectin pathway, and three ficolins (ficolin1,-2 and -3) which compound to the carbohydrates of the cell surface. MBL ...
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A panel of 20 human myelin basic protein (hMBP)-specific T-lymphocyte lines was generated from the peripheral blood of eight multiple sclerosis (MS) patients and two healthy donors, most of them expressing the HLA-DR2 haplotype, which is associated with an increased susceptibility to MS. Using HLA-DR gene-transfected mouse L-cell lines as antigen-presenting cells, we established that of the 20 ...
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Introduction: The major histocompatibility complex (MHC) is a group of cell surface proteins that are essential for recognizing foreign molecules in human and other mammals. The physiologic function of MHC molecules is the presentation of peptides to T cells. In this study, we evaluated the purification of a class II MHC molecule (HLA-DR) from a human Burkitt′s lymphoma cell line; Daudi...
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