Cited by 98MicroRNA in disease regulationPlant Molecular Biology ResearchCancer-related molecular mechanisms research

A dual inhibition: microRNA-552 suppresses both transcription and translation of cytochrome P450 2E1

Miao, Lingling, Yao, Hailan, Li, Chenggang, Pu, Mengfan, Yao, Xuan, Yang, Hui, Qi, Xinming, Ren, Jin +1 more·2016·Biochimica et Biophysica Acta (BBA) - Gene Regulatory Mechanisms

Abstract

MicroRNAs (miRNAs) can direct post-transcriptional or transcriptional gene silencing. Here, we report that miR-552 is in the nucleus and cytosol and inhibits human cytochrome P450 (CYP) 2E1 expression at both transcriptional and post-transcriptional levels. MiR-552 via its non-seed sequence forms hybrids with a loop hairpin of the cruciform structure in CYP2E1 promoter region to inhibit SMARCE1 and RNA polymerase II binding to the promoter and CYP2E1 transcription. Expressing SMARCE1 reverses the inhibitory effects of miR-552 on CYP2E1 mRNA expression. MiR-552 with mutations in non-seed region losses its transcriptional, but retains its post-transcriptional repression to CYP2E1. In contrast, mutation in miR-552 seed sequence suppresses its inhibitory effects on CYP2E1 expression at protein, but not at mRNA, levels. Our results suggest that miR-552 is a miRNA with a dual inhibitory ability at transcriptional and post-transcriptional levels leading to an effective inhibition.

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Crossref · 10.1016/j.bbagrm.2016.02.016

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  • Nuclear miR-522 interacts with a DNA cruciform structure within the promoter of CYP2E1 and suppresses its transcription.

    “A more recent study by Miao et al. (66) found nuclear miR-522 interacting with a DNA cruciform structure (a stem-loop on sense and antisense DNA strands) within the promoter of CYP2E1 and suppressing its transcription (66).”

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Authors
Miao, L., Yao, H., Li, C., Pu, M., Yao, X., Yang, H., Qi, X., Ren, J., & Wang, Y.
Affiliations
  • Chinese Academy of Sciences (CN)
  • Institute of Basic Medical Sciences of the Chinese Academy of Medical Sciences (CN)
Corresponding author
  • Ren, Jin
  • Wang, Yizheng
Venue
Biochimica et Biophysica Acta (BBA) - Gene Regulatory Mechanisms
Publisher
Elsevier BV
Published
2016-04
Volume
1859
Issue
4
Pages
650-662
ISSN
1874-9399 (ISSN-L)
OpenAlex
W2291743740
Cited by
98
References
61
Citations by year
2026: 1 · 2025: 2 · 2024: 6 · 2023: 7 · 2022: 16 · 2021: 16 · 2020: 13 · 2019: 12 · 2018: 10 · 2017: 9 · 2016: 6
FWCI
5.15
Type
journal article
Language
en
Open access
closed
Locations
  • Biochimica et Biophysica Acta (BBA) - Gene Regulatory Mechanisms (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Natural Science Foundation of China (81,130,081)
  • National Science and Technology Major Project (2012ZX09302-003, 2015ZX09102005)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › MicroRNA in disease regulation
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Plant Molecular Biology Research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer-related molecular mechanisms research
Keywords
CYP2E1, transcriptional repression, post-transcriptional gene silencing, SMARCE1, RNA polymerase II, cruciform structure, promoter binding
MeSH terms
Chromosomal Proteins, Non-Histone, DNA-Binding Proteins, Gene Expression Regulation, Humans, Mutation, Promoter Regions, Genetic, RNA Polymerase II, RNA, Messenger, Transcription, Genetic, Protein Biosynthesis, Cytochrome P-450 CYP2E1, Gene Silencing, MicroRNAs

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