Trapped in a vicious loop: Toll-like receptors sustain the spontaneous cytokine production by rheumatoid synovium
SourceArthritis Research & Therapy, 13, 2, (2011), pp. 105
Article / Letter to editor
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Arthritis Research & Therapy
SubjectNCMLS 1: Infection and autoimmunity N4i 4: Auto-immunity, transplantation and immunotherapy
Synovial tissue of patients with rheumatoid arthritis (RA) spontaneously produces several cytokines, of which a fundamental role in joint inflammation and destruction has been established. However, the factors sustaining this phenomenon remain poorly understood. In a recent report, blockade of Toll-like receptor 2 (TLR2) was found to inhibit the spontaneous release of inflammatory cytokines by intact RA synovial explant cultures. Adding to the recent evidence implicating other TLRs (in particular, TLR4), this observation highlights the potential of TLRs as therapeutic targets to suppress the local production of multiple cytokines and to control the chronic inflammatory loop in RA.
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