Novel Senescent Regulatory T-Cell Subset with Impaired Suppressive Function in Rheumatoid Arthritis

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Novel Senescent Regulatory T-Cell Subset with Impaired Suppressive Function in Rheumatoid Arthritis

OBJECTIVE Premature senescence of lymphocytes is a hallmark of inflammatory rheumatic diseases such as rheumatoid arthritis (RA). Early T-cell aging affects conventional T-cells but is presumably not limited to this cell population; rather it might also occur in the regulatory T-cells (Tregs) compartment. In RA, Tregs fail to halt aberrant immune reactions and disease progression. Whether this ...

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Regulatory T (Treg) cells have emerged as a distinct subset of lymphocytes that are responsible for limiting immune responses and avoiding pathologic autoimmunity. Evidence is accumulating that defects in Treg function are important in immune-mediated diseases such as rheumatoid arthritis (RA). We discuss herein the biology of Treg cells and emphasize what is known about Treg dysfunction in RA.

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Senescent T-Cells Promote Bone Loss in Rheumatoid Arthritis

Objective T-cells are critical players in the pathogenesis of osteoporosis in patients with rheumatoid arthritis (RA). Premature senescence of lymphocytes including the accumulation of senescent CD4+ T-cells is a hallmark feature of RA. Whether T-cell senescence is associated with bone loss in RA patients is elusive so far. Methods This includes a prospective study of consecutive patients wit...

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ژورنال

عنوان ژورنال: Frontiers in Immunology

سال: 2017

ISSN: 1664-3224

DOI: 10.3389/fimmu.2017.00300