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MHC multimer : ウィキペディア英語版 | MHC multimer MHC multimers are oligomeric forms of MHC molecules, designed to identify and isolate T-cells with high affinity to specific antigens amid a large group of unrelated T-cells. Multimers generally range in size from dimers to octamers; however, some companies (such as Immudex) use even higher quantities of MHC per multimer. Multimers may be used to display class 1 MHC, class 2 MHC, or nonclassical molecules (e.g. CD1d) from species such as monkeys, mice, and humans. == Background == Since T-Cell Receptors have a low affinity for their MHC counterparts, it was historically problematic to label T cells effectively using single MHC-T-cell interactions.〔Nepom, Gerald T. "MHC Multimers: Expanding the Clinical Toolkit," ''Clinical Immunology'', Vol 6 (2003), pp. 1-4.,Antigen. 106 (2003), pp. 1-4.〕 However, in 1996 it was proposed by John Altman to use a complex of multiple MHC molecules to form a more stable bond between corresponding T-cells.〔Bakker, Arnold; Schumacher, Tom. "MHC Multimer Technology: Current Status and Future Prospects," ''Current Opinion in Immunology'', Vol. 17, No. 4 (August 2005), pp. 428-433.〕
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