Fatty acid synthase: Association with insulin resistance, type 2 diabetes, and cancer

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Output type: Journal article

Author list: Menendez J., Vazquez-Martin A., Ortega F., Fernandez-Real J.

Publisher: Periodico Mensile

Publication year: 2010

Volume number: 34

Issue number: 6

Start page: 618

End page: 630

Number of pages: 13

ISSN: 0393-0564

URL: http://api.elsevier.com/content/abstract/scopus_id:78751652178

Abstract

An emerging paradigm supports the notion that deregulation of fatty acid synthase (FASN)-catalyzed de novo FA biogenesis could play a central role in the pathogenesis of metabolic diseases sharing the hallmark of insulin-resistance. We reviewed pharmacological and genetic alterations of FASN activity that have been shown to significantly influence energy expenditure rates, fat mass, insulin sensitivity, and cancer risk. This new paradigm proposes that insulin-resistant conditions such as obesity, type 2 diabetes, and cancer arise from a common FASN-driven "lipogenic state". An important question then is whether the development or the progression of insulin-related metabolic disorders can be prevented or reversed by the modulation of FASN status. If we accept the paradigm of FASN dysfunction as a previously unrecognized link between insulin resistance, type 2 diabetes, and cancer, the use of insulin sensitizers in parallel with forthcoming FASN inhibitors should be a valuable therapeutic approach that, in association with lifestyle interventions, would concurrently improve energy-flux status, ameliorate insulin sensitivity, and alleviate the risk of lipogenic carcinomas. Although the picture is currently incomplete and researchers in the field have plenty of work ahead, the latest clinical and experimental evidence that we discuss illuminates a functional and drug-modifiable link that connects FASN-driven endogenous FA biosynthesis, insulin action, and glucose homeostasis in the natural history of insulin-resistant pathologies. Copyright originale © 2009 American Association for Clinical Chemistry, Inc.

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