Cited by 108Adipose Tissue and MetabolismPeroxisome Proliferator-Activated ReceptorsGenomics and Chromatin Dynamics

Transcriptional regulation of the uncoupling protein-1 gene

Villarroya, Francesc, Peyrou, Marion, Giralt, Marta·2017·Biochimie

Abstract

Regulated transcription of the uncoupling protein-1 (UCP1) gene, and subsequent UCP1 protein synthesis, is a hallmark of the acquisition of the differentiated, thermogenically competent status of brown and beige/brite adipocytes, as well as of the responsiveness of brown and beige/brite adipocytes to adaptive regulation of thermogenic activity. The 5' non-coding region of the UCP1 gene contains regulatory elements that confer tissue specificity, differentiation dependence, and neuro-hormonal regulation to UCP1 gene transcription. Two main regions-a distal enhancer and a proximal promoter region-mediate transcriptional regulation through interactions with a plethora of transcription factors, including nuclear hormone receptors and cAMP-responsive transcription factors. Co-regulators, such as PGC-1α, play a pivotal role in the concerted regulation of UCP1 gene transcription. Multiple interactions of transcription factors and co-regulators at the promoter region of the UCP1 gene result in local chromatin remodeling, leading to activation and increased accessibility of RNA polymerase II and subsequent gene transcription. Moreover, a commonly occurring A-to-G polymorphism in close proximity to the UCP1 gene enhancer influences the extent of UCP1 gene transcription. Notably, it has been reported that specific aspects of obesity and associated metabolic diseases are associated with human population variability at this site. On another front, the unique properties of the UCP1 promoter region have been exploited to develop brown adipose tissue-specific gene delivery tools for experimental purposes.

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Crossref · 10.1016/j.biochi.2016.09.017

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  • T3 regulates mitochondrial uncoupling by sympathetic stimulation, by increasing acylcarnitine production, and by directly stimulating transcription of the Ucp1 gene.

    “T3 regulates mitochondrial uncoupling by different mechanisms: (1) by sympathetic stimulation [61], (2) by increasing acylcarnitine production [61], thereby activating mitochondrial respiration/uncoupling, and (3) by directly stimulating the transcription of the Ucp1 gene [37].”

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Authors
Villarroya, F., Peyrou, M., & Giralt, M.
Affiliations
Instituto de Salud Carlos III (ES)
Corresponding author
Villarroya, Francesc
Venue
Biochimie
Publisher
Elsevier BV
Published
2017-03
Volume
134
Pages
86-92
ISSN
  • 0037-9042 (ISSN-L)
  • 0300-9084
OpenAlex
W2529255361
Cited by
108
References
99
Citations by year
2026: 4 · 2025: 12 · 2024: 14 · 2023: 11 · 2022: 12 · 2021: 16 · 2020: 14 · 2019: 15 · 2018: 6 · 2017: 4
FWCI
0.98
Type
journal article
Language
en
Open access
closed
Locations
  • Biochimie (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Ministerio de Ciencia e Innovación (PI14/00063)
  • European Regional Development Fund
  • Instituto de Salud Carlos III
Topics
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Peroxisome Proliferator-Activated Receptors
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Chromatin Dynamics
Keywords
UCP1, brown adipocytes, thermogenesis, 5' untranslated region, enhancers, promoter, nuclear receptors, PGC-1α, coregulators, chromatin remodeling, obesity, transcriptional regulation
MeSH terms
Adipose Tissue, Beige, Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alpha, Uncoupling Protein 1, Animals, Adipose Tissue, Brown, Gene Expression Regulation, Humans, Obesity, Promoter Regions, Genetic, RNA Polymerase II, Transcription Factors, Transcription, Genetic, Receptors, Cytoplasmic and Nuclear, Thermogenesis, Mice, Adipose Tissue, White

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