Cited by 55Parkinson's Disease Mechanisms and TreatmentsNeuroinflammation and Neurodegeneration MechanismsNuclear Receptors and Signaling

Mechanism of miR-132-3p Promoting Neuroinflammation and Dopaminergic Neurodegeneration in Parkinson’s Disease

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Gong, Xin, Huang, Mengyi, Chen, Lei·2022·eneuro

Abstract

The major pathology in Parkinson’s disease (PD) is neuron injury induced by degeneration of dopaminergic neurons and the activation of microglial cells. The objective of this study is to determine the effect and mechanism of miR-132-3p in regulating neuroinflammation and the degeneration of dopaminergic neuron in PD. The expressions of miR-132-3p in brain tissues of PD patients, lipopolysaccharide (LPS)-induced BV-2 cells and 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced PD mouse models were detected. The effect of miR-132-3p and GLRX in cell viability, apoptosis and inflammation was verified in BV-2 cells. The activation of Iba1 in substantia nigra pars compacta (SNc) and the loss of tyrosine hydroxylase were detected in PD mouse models and the mobility of mouse models was assessed as well. The targeting relationship between miR-132-3p and GLRX was confirmed by RNA immunoprecipitation (RIP) and dual luciferase reporter gene assay. Elevated expression of miR-132-3p and decreased expression of GLRX were found in PD patients and cells models. Overexpression of miR-132-3p can induce activation of microglial cells, which can be reversed by GLRX overexpression. Collected evidence in both cell model and mouse models showed the effect of miR-132-3p in enhancing the activation of microglial cells and the loss of microglia cells, which was achieved by mediating GLRX.

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  • Cites a retracted work: 10.1002/jcb.26720

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    The cited work was retracted on 2021-06-09 (notice 10.1002/jcb.29978), before this paper was published (2022-01). Its authors could have known.

    Cited work 10.1002/jcb.26720 · retracted 2021-06-09 · notice 10.1002/jcb.29978 · this paper published 2022-01

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Authors
Gong, X., Huang, M., & Chen, L.
Affiliations
Hunan Provincial People's Hospital (CN)
Corresponding author
Chen, Lei
Venue
eneuro
Published
2022-01
Volume
9
Issue
1
Pages
ENEURO.0393-21.2021
ISSN
2373-2822 (ISSN-L)
OpenAlex
W4205199896
Cited by
55
References
36
Citations by year
2026: 4 · 2025: 10 · 2024: 17 · 2023: 14 · 2022: 10
FWCI
7.27
Type
journal article
Language
en
Open access
Locations
  • eNeuro (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
Funders
  • Natural Science Foundation of Hunan Province (2019JJ50322)
  • the Science Research Planning Program of Health and Family Planning Comission of Hunan Province (C2019054)
Topics
  • Health Sciences › Medicine › Neurology › Parkinson's Disease Mechanisms and Treatments
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Nuclear Receptors and Signaling
Keywords
miR-132-3p, Parkinson's disease, neuroinflammation, dopaminergic neuron loss, microglial activation, microglial depletion, substantia nigra pars compacta, apoptosis, MPTP mouse model, tyrosine hydroxylase, microRNA target regulation
MeSH terms
Neuroinflammatory Diseases, Animals, Disease Models, Animal, Humans, Mice, Inbred C57BL, Parkinson Disease, Microglia, MicroRNAs, Mice, Glutaredoxins, Dopaminergic Neurons

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