Mechanisms of endothelial dysfunction in rheumatoid arthritis: lessons from animal studies

被引:0
作者
Perle Totoson
Katy Maguin-Gaté
Clément Prati
Daniel Wendling
Céline Demougeot
机构
[1] UFR Sciences Médicales et Pharmaceutiques,EA 4267 « Fonctions et Dysfonctions Epithéliales »
[2] CHU Minjoz,Service de Rhumatologie
来源
Arthritis Research & Therapy | / 16卷
关键词
Rheumatoid Arthritis; Nitric Oxide; Endothelial Dysfunction; Arginase; Aortic Ring;
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摘要
Rheumatoid arthritis (RA) is a chronic systemic inflammatory disease characterized by articular and extra-articular manifestations involving cardiovascular diseases (CVDs), which account for 30% to 50% of all deaths. In patients with RA, atherosclerosis lesions occur earlier and have a more rapid evolution than in the general population. Beyond mortality, the impact of CVD on quality of life, combined with the associated increase in health-care costs, renders CVD in RA a major public health problem. Recent studies showed that patients with RA are characterized by the presence of endothelial dysfunction (ED), which is recognized as a key event in the development of atherosclerosis. By definition, ED is a functional and reversible alteration of endothelial cells, leading to a shift of the actions of the endothelium toward reduced vasodilation, proinflammatory state and proliferative and prothrombotic properties. Although the improvement of endothelial function is becoming an important element of the global management of patients with RA, the mechanistic determinants of ED in RA are still poorly understood. Animal models of RA provide the unique opportunity to unravel the pathophysiological features of ED in RA. The present review summarizes the available data on mechanisms underlying ED in animal models of RA and proposes attractive prospects in order to discover novel therapeutic strategies of RA-associated ED.
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