Does obesity affect the incidence and outcomes of rheumatic autoimmune and inflammatory diseases?
Obesity and adipose tissue act as active endocrine organs that contribute to the pathogenesis and severity of rheumatic autoimmune and inflammatory diseases.
The growing body of evidence recognizing the adipose tissue (AT) as an active endocrine organ secreting bioactive mediators involved in metabolic and inflammatory disorders, together with the global epidemic of overweight and obesity, rise obesity as a hot topic of current research. The chronic state of low-grade inflammation present in the obese condition and the multiple pleiotropic effects of adipokines on the immune system has been implicated in the pathogenesis of several inflammatory conditions including rheumatic autoimmune and inflammatory diseases. We will discuss the main relevant evidences on the role of the AT on immune and inflammatory networks and the more recent evidences regarding the effects of obesity on the incidence and outcomes of the major autoimmune chronic inflammatory diseases.
Gremese et al. (Tue,) studied this question.
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