Cited by 82Steroid Chemistry and BiochemistryCancer, Lipids, and MetabolismCholesterol and Lipid Metabolism

Cholesterol epoxide hydrolase and cancer

Silvente-Poirot, Sandrine, Poirot, Marc·2012·Current Opinion in Pharmacology

Abstract

Cholesterol epoxide hydrolase (ChEH) catalyzes the hydration of cholesterol-5,6-epoxides (5,6-EC) into cholestane-3β,5α,6β-triol. ChEH is a hetero-oligomeric complex called the anti-estrogen binding site (AEBS) comprising 3β-hydroxysterol-Δ(8)-Δ(7)-isomerase (D8D7I) and 3β-hydroxysterol-Δ(7)-reductase (DHCR7). D8D7I and DHCR7 regulate cholesterol biosynthesis, fetal development and growth, tumor cell differentiation and death. The un-reactivity of 5,6-EC toward nucleophiles has recently been demonstrated indicating that 5,6-EC are not alkylating and carcinogenic agents as first postulated. Here we discuss recent advances in the molecular characterization of ChEH, its potential role in cancer progression and resistance as well as the interest of inhibiting ChEH and to accumulate 5,6-EC which may contribute to the anti-tumor and chemopreventive action of ChEH inhibitors used in the clinic such as tamoxifen.

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Crossref · 10.1016/j.coph.2012.07.007

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  • TAM binding to ChEH inhibits the enzyme's activity, resulting in the accumulation of cholesterol-5,6-epoxides and the inhibition of cholestane-3β,5α,6β-triol production.

    “TAM binding to ChEH inhibits the enzyme’s activity, resulting in the accumulation of cholesterol-5,6-epoxides and the inhibition of cholestane-3β,5α,6β-triol production [26].”

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Authors
Silvente-Poirot, S., & Poirot, M.
Affiliations
Inserm (FR)
Venue
Current Opinion in Pharmacology
Publisher
Elsevier BV
Published
2012-12
Volume
12
Issue
6
Pages
696-703
ISSN
1471-4892 (ISSN-L)
OpenAlex
W2154795264
Cited by
82
References
54
Citations by year
2026: 7 · 2025: 2 · 2024: 5 · 2023: 12 · 2022: 4 · 2021: 6 · 2020: 5 · 2019: 7 · 2018: 9 · 2017: 4 · 2016: 8 · 2015: 4 · 2014: 2 · 2013: 6 · 2012: 1
FWCI
0.38
Type
journal article
Language
en
Open access
closed
Locations
  • Current Opinion in Pharmacology (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
Funders
  • Agence Nationale de la Recherche
  • Centre National de la Recherche Scientifique
  • Institut National Du Cancer
  • Institut Claudius Regaud
  • Institute of Cancer Research
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Steroid Chemistry and Biochemistry
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Lipids, and Metabolism
  • Health Sciences › Medicine › Surgery › Cholesterol and Lipid Metabolism
Keywords
cholestane-3β,5α,6β-triol, DHCR7, cholesterol biosynthesis, tumor progression, chemoresistance, tamoxifen, chemoprevention, alkylating agents, tumor cell differentiation
MeSH terms
Animals, Cholestanols, Cholesterol, Epoxide Hydrolases, Humans, Neoplasms, Tamoxifen, Disease Progression, Antineoplastic Agents, Hormonal, Drug Resistance, Neoplasm

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