Follicular helper T cells: potential therapeutic targets in rheumatoid arthritis.

Jian Lu, Jing Wu, Xueli Xia, Huiyong Peng, Shengjun Wang

Cellular and molecular life sciences : CMLS 2021 Jun

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Rheumatoid arthritis (RA) is a chronic autoimmune disease with joint and systemic inflammation that is accompanied by the production of autoantibodies, such as rheumatoid factor and anti-cyclic citrullinated peptide (anti-CCP) antibodies. Follicular helper T (Tfh) cells, which are a subset of CD4+ T cells, facilitate germinal center (GC) reactions by providing signals required for high-affinity antibody production and the generation of long-lived antibody-secreting plasma cells. Uncontrolled expansion of Tfh cells is observed in various systemic autoimmune diseases. Particularly, the frequencies of circulating Tfh-like (cTfh-like) cells, their subtypes and synovial-infiltrated T helper cells correlate with disease activity in RA patients. Therefore, reducing autoantibody production and restricting excessive Tfh cell responses are ideal ways to control RA pathogenesis. The present review summarizes current knowledge of the involvement of Tfh cells in RA pathogenesis and highlights the potential of these cells as therapeutic targets.

Citation

Jian Lu, Jing Wu, Xueli Xia, Huiyong Peng, Shengjun Wang. Follicular helper T cells: potential therapeutic targets in rheumatoid arthritis. Cellular and molecular life sciences : CMLS. 2021 Jun;78(12):5095-5106