Cited by 34Pain Mechanisms and TreatmentsRNA modifications and cancerTreatment of Major Depression

Downregulation of Fat Mass and Obesity-Related Protein in the Anterior Cingulate Cortex Participates in Anxiety- and Depression-Like Behaviors Induced by Neuropathic Pain

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Wang, Xiao-Ling, Wei, Xin, Yuan, Jing-Jing, Mao, Yuan-Yuan, Wang, Zhong-Yu, Xing, Na, Gu, Han-Wen, Lin, Cai-Hong +3 more·2022·Frontiers in Cellular Neuroscience

Abstract

N6-methyladenosine (m 6 A) is the most abundant methylation modification on mRNA in mammals. Fat mass and obesity-related protein (FTO) is the main RNA m 6 A demethylase. FTO is involved in the occurrence and maintenance of neuropathic pain (NP). NP often induces mental disorders. We found that NP downregulated the expression of FTO in the anterior cingulate cortex (ACC), inhibited the expression of matrix metalloproteinase-9 (MMP-9) in the ACC, maladjusted the brain-derived neurotrophic factor precursor (proBDNF) and mature brain-derived neurotrophic factor (mBDNF) levels in the ACC, and induced anxiety- and depression-like behaviors in mice. Blocking the downregulation of FTO in the ACC induced by peripheral nerve injury could reverse the anxiety- and depression-like behaviors of mice. Contrarily, downregulation of simulated FTO induced anxiety- and depression-like behaviors in mice. After peripheral nerve injury, the binding of FTO to MMP-9 mRNA decreased and the enrichment of m 6 A on MMP-9 mRNA increased. In conclusion, downregulation of FTO in ACC by regulating MMP-9 mRNA methylation level contributes to the occurrence of anxiety- and depression-like behaviors in NP mice.

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  1. Jaworski D. M. Fager N. (2000). Regulation of tissue inhibitor of metalloproteinase-3 (Timp-3) mRNA expression during rat CNS development. J. Neurosci. Res. 61 396– 408. 10.1002/1097-4547(20000815)61 10931526 · DOI

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Authors
Wang, X.-L., Wei, X., Yuan, J.-J., Mao, Y.-Y., Wang, Z.-Y., Xing, N., Gu, H.-W., Lin, C.-H., Wang, W.-T., Zhang, W., & Xing, F.
Affiliations
  • First Affiliated Hospital of Zhengzhou University (CN)
  • Zhengzhou University (CN)
Corresponding author
  • Zhang, Wei
  • Xing, Fei
Venue
Frontiers in Cellular Neuroscience
Published
2022-05-12
Volume
16
Pages
884296-884296
ISSN
1662-5102 (ISSN-L)
OpenAlex
W4280637954
Cited by
34
References
68
Citations by year
2026: 6 · 2025: 7 · 2024: 8 · 2023: 10 · 2022: 3
FWCI
4.33
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Cellular Neuroscience (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Zhengzhou University
  • First Affiliated Hospital of Zhengzhou University
Topics
  • Health Sciences › Medicine › Physiology › Pain Mechanisms and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA modifications and cancer
  • Health Sciences › Medicine › Pharmacology › Treatment of Major Depression
Keywords
FTO, N6-methyladenosine, mRNA methylation, neuropathic pain, anterior cingulate cortex, anxiety-like behavior, depression-like behavior, MMP-9, proBDNF, brain-derived neurotrophic factor, peripheral nerve injury, RNA demethylation

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