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Cited by 368

The DOI matches its Crossref record; 7 of the 7 references it cites were found in a registry or an index.

Peroxisome proliferator-activated receptor-γ coactivator 1α (PGC-1α) regulates triglyceride metabolism by activation of the nuclear receptor FXR

Open access
Zhang, Yanqiao, Castellani, Lawrence W., Sinal, Christopher J., Gonzalez, Frank J., Edwards, Peter A.·2004·Genes & Development

Abstract

Peroxisome proliferator-activated receptor-γ coactivator 1α (PGC-1α) has been shown to regulate adaptive thermogenesis and glucose metabolism. Here we show that PGC-1α regulates triglyceride metabolism through both farnesoid X receptor (FXR)-dependent and -independent pathways. PGC-1α increases FXR activity through two pathways: (1) it increases FXR mRNA levels by coactivation of PPARγ and HNF4α to enhance FXR gene transcription; and (2) it interacts with the DNA-binding domain of FXR to enhance the transcription of FXR target genes. Ectopic expression of PGC-1α in murine primary hepatocytes reduces triglyceride secretion by a process that is dependent on the presence of FXR. Consistent with these in vitro studies, we demonstrate that fasting induces hepatic expression of PGC-1α and FXR and results in decreased plasma triglyceride levels in wild-type but not in FXR-null mice. Our data suggest that PGC-1α plays an important physiological role in maintaining energy homeostasis during fasting by decreasing triglyceride production/secretion while it increases fatty acid β-oxidation to meet energy needs.

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Metadata

Authors
Zhang, Y., Castellani, L. W., Sinal, C. J., Gonzalez, F. J., & Edwards, P. A.
Venue
Genes & Development
Published
2004-01-15
Volume
18
Issue
2
Pages
157-169
ISSN
  • 0890-9369 (ISSN-L)
  • 1549-5477
OpenAlex
W2151488218
Cited by
368
References
7
Type
posted content
Language
en
Open access
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CoChat. (2026). Citation check: Peroxisome proliferator-activated receptor-γ coactivator 1α (PGC-1α) regulates triglyceride metabolism by activation of the nuclear receptor FXR. https://app.cochat.ai/papers/10.1101/gad.1138104
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Zhang, Y., Castellani, L. W., Sinal, C. J., Gonzalez, F. J., & Edwards, P. A. (2004). Peroxisome proliferator-activated receptor-γ coactivator 1α (PGC-1α) regulates triglyceride metabolism by activation of the nuclear receptor FXR. Genes & Development. https://doi.org/10.1101/gad.1138104

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