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Master Transcription Regulators

Master Transcription Regulators

Master transcription regulators are regulatory proteins that are predominantly responsible for regulating the expression of multiple genes. Often these genes work in concert to drive a complex process. Activation of a master transcription regulator can lead to a cascade of transcriptional activation necessary for that outcome. These regulators can directly bind to the regulatory sequences of the various genes involved, or they can indirectly regulate transcription by binding to regulatory...

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Related Experiment Video

Updated: Mar 7, 2026

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Dissecting the brown adipogenic regulatory network using integrative genomics.

Rachana N Pradhan^1,2, Johannes J Bues^1,2, Vincent Gardeux^1,2

¹Institute of Bioengineering, École Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland.

Scientific Reports

|February 10, 2017

Summary

Researchers identified novel regulators of brown fat cell development, crucial for energy expenditure and obesity treatment. Nuclear Factor I A (NFIA) was found to be a key early regulator in this process.

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Differentiation and Imaging of Brown Adipocytes from the Stromal Vascular Fraction of Interscapular Adipose Tissue from Newborn Mice

Differentiation and Imaging of Brown Adipocytes from the Stromal Vascular Fraction of Interscapular Adipose Tissue from Newborn Mice

Published on: February 3, 2023

Area of Science:

Metabolism and Endocrinology
Cell Biology
Molecular Biology

Background:

Brown adipocytes are critical for regulating energy expenditure through mitochondrial uncoupling.
Understanding the molecular mechanisms of brown adipogenesis is essential for developing obesity therapeutics.
Current knowledge of brown adipogenesis regulatory networks remains incomplete.

Purpose of the Study:

To identify and characterize novel transcriptional regulators of brown adipogenesis.
To elucidate the molecular mechanisms governing brown fat cell differentiation.
To investigate the role of specific transcription factors in energy expenditure regulation.

Main Methods:

Transcriptome and chromatin state profiling during mouse brown adipocyte differentiation.
Transcription factor binding site overrepresentation analysis in active chromatin regions.
Loss-of-function assays and transcriptomic impact analysis of candidate regulators.
Genomic localization profiling of key identified regulators.

Main Results:

Extensive gene expression changes and chromatin remodeling occur during early brown fat cell differentiation.
ZFP467, HOXA4, and Nuclear Factor I A (NFIA) were identified as novel transcriptional regulators.
NFIA demonstrated the most significant molecular and cellular phenotypes, acting as an early regulator.
Genomic profiling confirmed NFIA's role in terminal brown fat cell differentiation.

Conclusions:

NFIA is a key early regulator of terminal brown adipocyte differentiation.
Identification of NFIA and other regulators provides new targets for obesity treatment.
Further research into these regulators can advance our understanding of energy metabolism.