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SIRT1 AND DIABETES

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IDENTIFICATION OF THE GENES REGULATED BY THE SIRT1 HISTONE DEACETYLASE AND THEIR...

IDENTIFICATION OF THE GENES REGULATED BY THE SIRT1 HISTONE DEACETYLASE AND THEIR CONTRIBUTION IN THE PATHOGENESIS OF TYPE 2 DIABETES AND OBESITY Type 2 diabetes is the most common metabolic disease and is characterized by insulin resistance in the liver, adipose tissue and skeletal muscle and impaired insulin secretion. Type 2 diabetes is a polygenic disorder which also in... ver más

31/01/2012

UAB

100K€

Presupuesto del proyecto: 100K€

Líder del proyecto

UNIVERSITAT AUTÒNOMA DE BARCELONA No se ha especificado una descripción o un objeto social para esta compañía.

Total investigadores 1265

Fecha límite participación Sin fecha límite de participación.

Financiación concedida El organismo FP7 notifico la concesión del proyecto el día 2012-01-31 No tenemos la información de la convocatoria

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Información adicional privada

No hay información privada compartida para este proyecto. Habla con el coordinador.

1 Participantes

UAB

0.00€ | Lider

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Líder del proyecto

UNIVERSITAT AUTÒNOMA DE BARCELONA No se ha especificado una descripción o un objeto social para esta compañía.

Total investigadores 1265

Presupuesto del proyecto 100K€

Fecha límite de participación Sin fecha límite de participación.

Descripción del proyecto Type 2 diabetes is the most common metabolic disease and is characterized by insulin resistance in the liver, adipose tissue and skeletal muscle and impaired insulin secretion. Type 2 diabetes is a polygenic disorder which also involves environmental factors and is tightly correlated with obesity. Therefore, the identification of the genes associated with increased susceptibility to these diseases is difficult. At present, therapies for this disease are not completely effective and present secondary effects. To design new therapies, a better knowledge of molecular regulation of the expression of genes implicated in the pathology of diabetes is necessary. Gene regulation at transcriptional level has been demonstrated to be directly correlated, among other factors, with chromatin structure which may be altered by covalent modifications of NH2-terminal end of histones, mainly through acetylation. The balance between acetyl transferase (HAT) and deacetylase (HDAC) activities controls the histone acetylation status. Among HDAC enzymes, sirtuin 1 (SIRT1) has been shown to suppress glycolytic pathway and to induce gluconeogenesis in the liver, two of the main alterations in the diabetic process. Thus, modifications in the histone acetylation level may be involved in the onset and the development of diabetes. Therefore, the main objective of this project is the identification of target genes for SIRT1 by using ChIP-chip methodology (hybridization of specific promoter microarrays (chip) with the products of chromatin immunoprecipitation (ChIP). The contribution of these genes to the diabetic process will be further evaluated by the generation and the study of genetically engineered animals by gene transfer. The results of this study may contribute to a better understanding of the mechanisms of gene transcription regulation, which may lead to potential development of new therapies for type 2 diabetes and obesity.

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