Journal ArticleDOI
Role of proinflammatory cytokines in the pathophysiology of osteoarthritis
TLDR
The current knowledge regarding the role of proinflammatory cytokines in the pathophysiology of OA is discussed and the potential of anticytokine therapy in the treatment of this disease is addressed.Abstract:
Osteoarthritis (OA) is associated with cartilage destruction, subchondral bone remodeling and inflammation of the synovial membrane, although the etiology and pathogenesis underlying this debilitating disease are poorly understood. Secreted inflammatory molecules, such as proinflammatory cytokines, are among the critical mediators of the disturbed processes implicated in OA pathophysiology. Interleukin (IL)-1β and tumor necrosis factor (TNF), in particular, control the degeneration of articular cartilage matrix, which makes them prime targets for therapeutic strategies. Animal studies provide support for this approach, although only a few clinical studies have investigated the efficacy of blocking these proinflammatory cytokines in the treatment of OA. Apart from IL-1β and TNF, several other cytokines including IL-6, IL-15, IL-17, IL-18, IL-21, leukemia inhibitory factor and IL-8 (a chemokine) have also been shown to be implicated in OA and could possibly be targeted therapeutically. This Review discusses the current knowledge regarding the role of proinflammatory cytokines in the pathophysiology of OA and addresses the potential of anticytokine therapy in the treatment of this disease.read more
Citations
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Journal ArticleDOI
Treating inflammation by blocking interleukin-1 in a broad spectrum of diseases
TL;DR: Monotherapy blocking IL-1 activity in autoinflammatory syndromes results in a rapid and sustained reduction in disease severity, including reversal of inflammation-mediated loss of sight, hearing and organ function.
Journal ArticleDOI
Osteoarthritis as an inflammatory disease (osteoarthritis is not osteoarthrosis
TL;DR: Low-grade inflammation induced by the metabolic syndrome, innate immunity and inflammaging are some of the more recent arguments in favor of the inflammatory theory of OA and highlighted in this review.
Journal ArticleDOI
Inflammation in osteoarthritis
Mary B. Goldring,Miguel Otero +1 more
TL;DR: This review focuses on the novel stress-induced and proinflammatory mechanisms underlying the pathogenesis of osteoarthritis, with particular attention to the role of synovitis and the contributions of other joint tissues to cellular events that lead to the onset and progression of the disease and irreversible cartilage damage.
Journal ArticleDOI
The role of synovitis in osteoarthritis pathogenesis
TL;DR: Most studies have concluded that the presence of synovitis in OA is associated with more severe pain and joint dysfunction, and may be predictive of faster rates of cartilage loss in certain patient populations.
Journal ArticleDOI
Low-grade inflammation as a key mediator of the pathogenesis of osteoarthritis
William H. Robinson,Christin M. Lepus,Christin M. Lepus,Qian Wang,Qian Wang,Harini Raghu,Harini Raghu,Rong Mao,Rong Mao,Tamsin M. Lindstrom,Tamsin M. Lindstrom,Jeremy Sokolove,Jeremy Sokolove +12 more
TL;DR: Osteoarthritis has long been viewed as a degenerative disease of cartilage, but accumulating evidence indicates that inflammation has a critical role in its pathogenesis, and increasing insight into the inflammatory underpinnings of OA holds promise for the development of new, disease-modifying therapies.
References
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