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Thrombospondin1 Deficiency Reduces Obesity-Associated Inflammation And Improves Insulin Sensitivity In A Diet-Induced Obese Mouse Model, Yanzhang Li, Xiaopeng Tong, Courtney Rumala, Kate Clemons, Shuxia Wang
Thrombospondin1 Deficiency Reduces Obesity-Associated Inflammation And Improves Insulin Sensitivity In A Diet-Induced Obese Mouse Model, Yanzhang Li, Xiaopeng Tong, Courtney Rumala, Kate Clemons, Shuxia Wang
Graduate Center for Nutritional Sciences Faculty Publications
BACKGROUND: Obesity is prevalent worldwide and is associated with insulin resistance. Advanced studies suggest that obesity-associated low-grade chronic inflammation contributes to the development of insulin resistance and other metabolic complications. Thrombospondin 1 (TSP1) is a multifunctional extracellular matrix protein that is up-regulated in inflamed adipose tissue. A recent study suggests a positive correlation of TSP1 with obesity, adipose inflammation, and insulin resistance. However, the direct effect of TSP1 on obesity and insulin resistance is not known. Therefore, we investigated the role of TSP1 in mediating obesity-associated inflammation and insulin resistance by using TSP1 knockout mice.
METHODOLOGY/PRINCIPAL FINDINGS: Male TSP1-/- mice …