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Role and regulation of CD1d in normal and pathological B cells #MMPMID25381357
Chaudhry MS; Karadimitris A
J Immunol 2014[Nov]; 193 (10): 4761-8 PMID25381357show ga
CD1d is a non-polymorphic, MHC class I-like molecule, which presents phosphoand glycosphingo-lipid antigens to a subset of CD1d-restricted T cells called invariant NKT (iNKT) cells. This CD1d-iNKT cell axis regulates nearly all aspects of both the innate and adaptive immune response. Expression of CD1d on B cells is suggestive of the ability of these cells to present antigen to and form cognate interactions with iNKT cells. Herein we summarise key evidence regarding the role and regulation of CD1d in normal B cells and in humoral immunity. We then extend the discussion to B cell disorders, with emphasis on autoimmune disease, viral infection and neoplastic transformation of B lineage cells, where CD1d expression can be altered as a mechanism of immune evasion, and can have both diagnostic and prognostic importance. Finally we highlight current and future therapeutic strategies that aim to target the CD1d-iNKT axis in B cells.