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Vilà L, Elias I, Roca C, et al. AAV8-mediated Sirt1 gene transfer to the liver prevents high carbohydrate diet-induced nonalcoholic fatty liver disease. Mol Ther Methods Clin Dev. 2014;1:14039doi: 10.1038/mtm.2014.39.
Vilà, L., Elias, I., Roca, C., Ribera, A., Ferré, T., Casellas, A., Lage, R., Franckhauser, S., & Bosch, F. (2014). AAV8-mediated Sirt1 gene transfer to the liver prevents high carbohydrate diet-induced nonalcoholic fatty liver disease. Molecular therapy. Methods & clinical development, 114039. https://doi.org/10.1038/mtm.2014.39
Vilà, Laia, et al. "AAV8-mediated Sirt1 gene transfer to the liver prevents high carbohydrate diet-induced nonalcoholic fatty liver disease." Molecular therapy. Methods & clinical development vol. 1 (2014): 14039. doi: https://doi.org/10.1038/mtm.2014.39
Vilà L, Elias I, Roca C, Ribera A, Ferré T, Casellas A, Lage R, Franckhauser S, Bosch F. AAV8-mediated Sirt1 gene transfer to the liver prevents high carbohydrate diet-induced nonalcoholic fatty liver disease. Mol Ther Methods Clin Dev. 2014 Oct 01;1:14039. doi: 10.1038/mtm.2014.39. eCollection 2014. PMID: 26015978; PMCID: PMC4362360.
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Mol Ther Methods Clin Dev. 2014 Oct 01;1:14039. doi: 10.1038/mtm.2014.39. eCollection 2014.

AAV8-mediated Sirt1 gene transfer to the liver prevents high carbohydrate diet-induced nonalcoholic fatty liver disease.

Molecular therapy. Methods & clinical development

Laia Vilà, Ivet Elias, Carles Roca, Albert Ribera, Tura Ferré, Alba Casellas, Ricardo Lage, Sylvie Franckhauser, Fatima Bosch

Affiliations

  1. Center of Animal Biotechnology and Gene Therapy, School of Veterinary Medicine, Universitat Autònoma de Barcelona , Bellaterra, Spain ; Department of Biochemistry and Molecular Biology, School of Veterinary Medicine, Universitat Autònoma de Barcelona , Bellaterra, Spain ; Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM) , Barcelona, Spain.
  2. Center of Animal Biotechnology and Gene Therapy, School of Veterinary Medicine, Universitat Autònoma de Barcelona , Bellaterra, Spain ; Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM) , Barcelona, Spain.
  3. Center of Animal Biotechnology and Gene Therapy, School of Veterinary Medicine, Universitat Autònoma de Barcelona , Bellaterra, Spain ; Department of Biochemistry and Molecular Biology, School of Veterinary Medicine, Universitat Autònoma de Barcelona , Bellaterra, Spain.

PMID: 26015978 PMCID: PMC4362360 DOI: 10.1038/mtm.2014.39

Abstract

Nonalcoholic fatty liver disease (NAFLD) is the most common hepatic disease worldwide, and evidence suggests that it promotes insulin resistance and type 2 diabetes. Caloric restriction (CR) is the only available strategy for NAFLD treatment. The protein deacetylase Sirtuin1 (SIRT1), which is activated by CR, increases catabolic metabolism and decreases lipogenesis and inflammation, both involved in the development of NAFLD. Here we show that adeno-associated viral vectors of serotype 8 (AAV8)-mediated liver-specific Sirt1 gene transfer prevents the development of NAFLD induced by a high carbohydrate (HC) diet. Long-term hepatic SIRT1 overexpression led to upregulation of key hepatic genes involved in β-oxidation, prevented HC diet-induced lipid accumulation and reduced liver inflammation. AAV8-Sirt1-treated mice showed improved insulin sensitivity, increased oxidative capacity in skeletal muscle and reduced white adipose tissue inflammation. Moreover, HC feeding induced leptin resistance, which was also attenuated in AAV8-Sirt1-treated mice. Therefore, AAV-mediated gene transfer to overexpress SIRT1 specifically in the liver may represent a new gene therapy strategy to counteract NAFLD and related diseases such as type 2 diabetes.

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