Scientific publications

Role of caveolins in body weight and insulin resistance regulation

Gema Frühbeck (1), Miguel López (2) and Carlos Diéguez (2)
(1) Department of Endocrinology, Clínica Universitaria, University of Navarra, Avda. Pío XII, 36, 31008 Pamplona, Spain
(2) Department of Physiology, School of Medicine, University of Santiago de Compostela, c/ San Francisco, 1, 15782 Santiago de Compostela, Spain

Magazine: Trends in Endocrinology and Metabolism

Date: Jul 1, 2007

Obesity Unit Endocrinology and Nutrition [SP]

In spite of the growing understanding of the fundamental biology of energy homeostasis, it is evident that crucial pathways have yet to be identified.

Caveolins, integral plasma membrane proteins present in caveolae with proven scaffolding, transport and signalling capabilities, have emerged as key players in shifting the focus of obesity and insulin resistance development to lipid dynamics and membrane microdomain disorders. Caveolin-1-knockout mice exhibit a lean phenotype with overt resistance to diet-induced obesity. Conversely, caveolin-3-knockout mice show marked insulin resistance together with increased body weight and adiposity despite normal food intake.

Here, we discuss the participation of caveolins as novel modulators of adipocyte biology, highlight their role in insulin signalling and outline their potential relevance to human obesity development and treatment.

CITATION  Trends Endocrinol Metab. 2007 Jul;18(5):177-82.

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