Cited by 7Estrogen and related hormone effectsAdipose Tissue and MetabolismAdipokines, Inflammation, and Metabolic Diseases

Effect of estrogen on expression of prohibitin in white adipose tissue and liver of diet-induced obese rats

Choi, Minji, Chaudhari, Harmesh N., Ji, Young Rae, Ryoo, Zae Young, Kim, Sang Woo, Yun, Jong Won·2015·Molecular and Cellular Biochemistry

Abstract

Prohibitin (PHB) is a ubiquitously expressed and highly conserved protein that participates in diverse cellular processes, and its functions are linked to a variety of diseases. In the present study, to explore transcriptional activation and signaling pathways involved in PHB regulation in response to sex hormone treatment, we investigated the effects of estrogen (17-β-estradiol, E2) on regulation of PHB in several metabolic tissues from male and female rats. Elevated expression of PHB was prominent in white adipose tissue (WAT) and the liver, and E2 stimulated PHB expression in both ND and HFD-fed rats. To further confirm the expression of PHB which was increased in WAT and the liver, we analyzed PHB expression levels in 3T3-L1 and C9 cells after the treatment of E2. Transcription and protein levels of PHB were dose-dependently increased by E2 treatment in both cell types, supporting our in vivo data. To further evaluate the possible role of E2 in elevation of PHB via estrogen receptors (ER), the potent ER inhibitor fulvestrant was treated to 3T3-L1 and C9 cells. Fulvestrant markedly suppressed both transcription and protein levels of PHB, suggesting that PHB expression in both tissues may be regulated through ERs. GeneMANIA, a predictive web interface, was used to show that Phb is regulated via the intracellular steroid hormone receptor signaling pathway, suggesting a role for ERs in expression of Phb as well as other metabolically important genes. Based on these results, we expect that targeting PHB would be a useful therapeutic approach for treatment of obesity.

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Crossref · 10.1007/s11010-015-2468-1

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Authors
Choi, M., Chaudhari, H. N., Ji, Y. R., Ryoo, Z. Y., Kim, S. W., & Yun, J. W.
Affiliations
  • Daegu University (KR)
  • Kyungpook National University (KR)
Corresponding author
Yun, Jong Won
Venue
Molecular and Cellular Biochemistry
Published
2015-06-06
Volume
407
Issue
1-2
Pages
181-196
ISSN
  • 0300-8177 (ISSN-L)
  • 1573-4919
OpenAlex
W2232545925
Cited by
7
References
65
Citations by year
2026: 1 · 2025: 1 · 2021: 1 · 2019: 1 · 2018: 1 · 2017: 1 · 2016: 1
FWCI
0.69
Type
journal article
Language
en
Open access
closed
Locations
  • Molecular and Cellular Biochemistry (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Mid-career Researcher Program (2013R1A2A2A05004195)
  • SRC Program (Center for Food and Nutritional Genomics (2015R1A5A6001906)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Estrogen and related hormone effects
  • Health Sciences › Medicine › Physiology › Adipose Tissue and Metabolism
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
Keywords
prohibitin, estrogen, estradiol, estrogen receptor, diet-induced obesity, white adipose tissue, liver, gene expression regulation, fulvestrant, 3T3-L1 cells, obesity treatment
MeSH terms
Prohibitins, Animals, Cell Line, Dose-Response Relationship, Drug, Estrogens, Female, Gene Expression Regulation, Liver, Male, Obesity, Organ Specificity, Receptors, Estrogen, Repressor Proteins, 3T3-L1 Cells, Mice, Rats, Adipose Tissue, White, Diet, High-Fat

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