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University of Massachusetts Medical School Faculty Publications

Adipocyte

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An Alternative Splicing Program Promotes Adipose Tissue Thermogenesis, Santiago Vernia, Yvonne J. K. Edwards, Myoung Souk Han, Julie Cavanagh-Kyros, Tamera Barrett, Jason K. Kim, Roger J. Davis Sep 2016

An Alternative Splicing Program Promotes Adipose Tissue Thermogenesis, Santiago Vernia, Yvonne J. K. Edwards, Myoung Souk Han, Julie Cavanagh-Kyros, Tamera Barrett, Jason K. Kim, Roger J. Davis

University of Massachusetts Medical School Faculty Publications

Alternative pre-mRNA splicing expands the complexity of the transcriptome and controls isoform-specific gene expression. Whether alternative splicing contributes to metabolic regulation is largely unknown. Here we investigated the contribution of alternative splicing to the development of diet-induced obesity. We found that obesity-induced changes in adipocyte gene expression include alternative pre-mRNA splicing. Bioinformatics analysis associated part of this alternative splicing program with sequence specific NOVA splicing factors. This conclusion was confirmed by studies of mice with NOVA deficiency in adipocytes. Phenotypic analysis of the NOVA-deficient mice demonstrated increased adipose tissue thermogenesis and improved glycemia. We show that NOVA proteins mediate a ...