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Systems-Genetics-Based Inference of a Core Regulatory Network Underlying White Fat Browning.

07:00 EST 17th December 2019 | BioPortfolio

Summary of "Systems-Genetics-Based Inference of a Core Regulatory Network Underlying White Fat Browning."

Recruitment of brite/beige cells, known as browning of white adipose tissue (WAT), is an efficient way to turn an energy-storing organ into an energy-dissipating one and may therefore be of therapeutic value in combating obesity. However, a comprehensive understanding of the regulatory mechanisms mediating WAT browning is still lacking. Here, we exploit the large natural variation in WAT browning propensity between inbred mouse strains to gain an inclusive view of the core regulatory network coordinating this cellular process. Combining comparative transcriptomics, perturbation-based validations, and gene network analyses, we present a comprehensive gene regulatory network of inguinal WAT browning, revealing up to four distinct regulatory modules with key roles for uncovered transcriptional factors, while also providing deep insights into the genetic architecture of brite adipogenesis. The presented findings therefore greatly increase our understanding of the molecular drivers mediating the intriguing cellular heterogeneity and plasticity of adipose tissue.

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Journal Details

This article was published in the following journal.

Name: Cell reports
ISSN: 2211-1247
Pages: 4099-4113.e5

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