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Gene-environment Interaction Models to Unmask Susceptibility Mechanisms in Parkinson's Disease
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MicroRNA-181c functions as a protective factor in a 1-methyl-4-phenylpyridinium iodide-induced cellular Parkinson's

M Wei1, L-J Cao, J-L Zheng

  • 1Department of Neurology, Huai'an First People's Hospital, Nanjing Medical University, Huai'an, Jiangsu Province, China. xuchangsong0103@163.com.

European Review for Medical and Pharmacological Sciences
|August 4, 2017
PubMed
Abstract

Insights

MicroRNA-181c (miR-181c) protects against Parkinson's disease by reducing cell death and promoting cell viability. Upregulating miR-181c may offer a new therapeutic target for Parkinson's disease drug resistance.

Area of Science:

  • Neuroscience
  • Molecular Biology
  • Genetics

Background:

  • Parkinson's disease (PD) is a common neurodegenerative disorder.
  • MicroRNAs (miRNAs) are implicated in PD pathogenesis.
  • Reduced miR-181c expression is observed in PD patients.

Purpose of the Study:

  • To investigate the role of miR-181c in a cellular model of Parkinson's disease.
  • To explore the therapeutic potential of miR-181c in PD.

Main Methods:

  • A cellular model of Parkinson's disease was established using MPP(+) and mir181c mimics.
  • Cell viability was assessed using MTT and CCK8 assays.
  • Apoptosis, reactive oxygen species (ROS), and caspase-3 activity were analyzed.
  • Gene target interactions were studied using luciferase assays and Western blotting.

Main Results:

  • MPP(+) treatment led to decreased miR-181c expression in PC12 cells.
  • Overexpression of miR-181c rescued cell viability and reduced apoptosis.
  • miR-181c suppressed ROS and caspase-3 activity.
  • miR-181c directly targets and downregulates BCL2L11 expression.

Conclusions:

  • miR-181c enhances cell viability and inhibits apoptosis in an MPP(+)-induced PD model.
  • Downregulation of BCL2L11 by miR-181c contributes to its protective effect.
  • miR-181c represents a potential therapeutic target for Parkinson's disease.

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