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Cited by 362

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Phenobarbital Response Elements of Cytochrome P450 Genes and Nuclear Receptors

Sueyoshi, T, Negishi, M·2001·Annual Review of Pharmacology and Toxicology

Abstract

Phenobarbital (PB) response elements are composed of various nuclear receptor (NR)-binding sites. A 51-bp distal element PB-responsive enhancer module (PBREM) conserved in the PB-inducible CYP2B genes contains two NR-binding direct repeat (DR)-4 motifs. Responding to PB exposure in liver, the NR constitutive active receptor (CAR) translocates to the nucleus, forms a dimer with the retinoid X receptor (RXR), and activates PBREM via binding to DR-4 motifs. For CYP3A genes, a common NR site [DR-3 or everted repeat (ER)-6] is present in proximal promoter regions. In addition, the distal element called the xenobiotic responsive module (XREM) is found in human CYP3A4 genes, which contain both DR-3 and ER-6 motifs. Pregnane X receptor (PXR) could bind to all of these sites and, upon PB induction, a PXR:RXR heterodimer could transactivate XREM. These response elements and NRs are functionally versatile, and capable of responding to distinct but overlapping groups of xenochemicals.

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Crossref · 10.1146/annurev.pharmtox.41.1.123

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Metadata

Authors
Sueyoshi, T., & Negishi, M.
Venue
Annual Review of Pharmacology and Toxicology
Published
2001-04
Volume
41
Issue
1
Pages
123-143
ISSN
  • 0362-1642 (ISSN-L)
  • 1545-4304
OpenAlex
W2136070698
Cited by
362
References
1
FWCI
2.07
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Phenobarbital Response Elements of Cytochrome P450 Genes and Nuclear Receptors. https://app.cochat.ai/papers/10.1146/annurev.pharmtox.41.1.123
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Sueyoshi, T., & Negishi, M. (2001). Phenobarbital Response Elements of Cytochrome P450 Genes and Nuclear Receptors. Annual Review of Pharmacology and Toxicology. https://doi.org/10.1146/annurev.pharmtox.41.1.123

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.