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Trends Immunol. 2004 Jan;25(1):4-7.

Inflammation: the link between insulin resistance, obesity and diabetes.

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  • 1Division of Endocrinology, Diabetes and Metabolism, State University of New York at Buffalo and Kaleida Health, 3 Gates Circle, Buffalo, NY 14209, USA. pdondona@kaleidahealth.org

Abstract

Recent data have revealed that the plasma concentration of inflammatory mediators, such as tumour necrosis factor-alpha (TNF-alpha) and interleukin-6 (IL-6), is increased in the insulin resistant states of obesity and type 2 diabetes, raising questions about the mechanisms underlying inflammation in these two conditions. It is also intriguing that an increase in inflammatory mediators or indices predicts the future development of obesity and diabetes. Two mechanisms might be involved in the pathogenesis of inflammation. Firstly, glucose and macronutrient intake causes oxidative stress and inflammatory changes. Chronic overnutrition (obesity) might thus be a proinflammatory state with oxidative stress. Secondly, the increased concentrations of TNF-alpha and IL-6, associated with obesity and type 2 diabetes, might interfere with insulin action by suppressing insulin signal transduction. This might interfere with the anti-inflammatory effect of insulin, which in turn might promote inflammation.

PMID:
14698276
[PubMed - indexed for MEDLINE]
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