Emerging roles for the FCRL family members in lymphocyte biology and disease.

Members of the extended Fc receptor-like (FCRL) family in humans and mice are preferentially expressed by B cells and possess tyrosine-based immunoregulatory function. Although the majority of these proteins repress B> cell receptor-mediated activation, there is an emerging evidence for their bifunctionality and capacity to counter-regulate adaptive and innate signaling pathways. In light of these findings, the recent discovery of ligands for several of these molecules has begun to reveal exciting potential for them in normal lymphocyte biology and is launching a new phase of FCRL investigation. Importantly, these fundamental developments are also setting the stage for defining their altered roles in the pathogenesis of a growing number of immune-mediated diseases. Here we review recent advances in the FCRL field and highlight the significance of these intriguing receptors in normal and perturbed immunobiology.

Citation

F J Li, W J Won, E J Becker, J L Easlick, E M Tabengwa, R Li, M Shakhmatov, K Honjo, P D Burrows, R S Davis. Emerging roles for the FCRL family members in lymphocyte biology and disease. Current topics in microbiology and immunology. 2014;382:29-50

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PMID: 25116094

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