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Université de Fribourg

PI3Kγ within a nonhematopoietic cell type negatively regulates diet-induced thermogenesis and promotes obesity and insulin resistance

Becattini, Barbara ; Marone, Romina ; Zani, Fabio ; Arsenijevic, Denis ; Seydoux, Josiane ; Montani, Jean-Pierre ; Dulloo, Abdul G. ; Thorens, Bernard ; Preitner, Frédéric ; Wymann, Matthias P. ; Solinas, Giovanni

In: Proceedings of the National Academy of Sciences of the United States of America, 2011, vol. 108, no. 42, p. E854-E863

Obesity is associated with a chronic low-grade inflammation, and specific antiinflammatory interventions may be beneficial for the treatment of type 2 diabetes and other obesity-related diseases. The lipid kinase PI3Kγ is a central proinflammatory signal transducer that plays a major role in leukocyte chemotaxis, mast cell degranulation, and endothelial cell activation. It was also reported that...

Université de Fribourg

JNK1 and IKKβ: molecular links between obesity and metabolic dysfunction

Solinas, Giovanni ; Karin, Michael

In: The FASEB Journal, 2010, p. -

Inflammation is thought to underlie the pathogenesis of many chronic diseases. It is now established that obesity results in a state of chronic low-grade inflammation thought to contribute to several metabolic disorders, including insulin resistance and pancreatic islet dysfunction. The protein kinases JNK1 and IKKβ have been found to serve as critical molecular links between obesity, metabolic...