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The Emerging Role of microRNAs in Polyglutamine Diseases

Xiaoyu Dong1, Shuyan Cong1

  • 1Department of Neurology, Shengjing Hospital of China Medical University, Shenyang, China.

Frontiers in Molecular Neuroscience
|July 6, 2019
PubMed

Insights

MicroRNAs (miRNAs) play a role in PolyQ diseases like Huntington's disease. Their altered expression suggests potential as biomarkers for diagnosis and therapy.

Area of Science:

  • Molecular Biology
  • Genetics
  • Neuroscience

Background:

  • MicroRNAs (miRNAs) are small non-coding RNA molecules regulating gene expression post-transcriptionally.
  • Aberrant miRNA expression is implicated in various pathological conditions, including polyglutamine (Poly Q) diseases.
  • Specific miRNA profiles in bodily fluids and brain tissue are potential diagnostic and prognostic biomarkers for Poly Q diseases.

Purpose of the Study:

  • To review the emerging role of miRNAs in Poly Q diseases.
  • To provide an overview of miRNA biology and their pathological implications.
  • To explore the potential of miRNAs as biomarkers and therapeutic targets.

Main Methods:

  • Literature review of studies on miRNAs and Poly Q diseases.
  • Analysis of miRNA expression patterns in relevant disease models and patient samples.
  • Synthesis of current knowledge on miRNA function, disease association, and therapeutic potential.

Main Results:

  • Consistent identification of specific miRNAs in Poly Q diseases such as Huntington's disease (HD) and spinocerebellar ataxia (SCA).
  • Evidence suggests miRNAs are involved in the pathophysiology of Poly Q diseases.
  • Circulating and brain-specific miRNAs show promise as biomarkers.

Conclusions:

  • miRNAs represent a significant area of research in Poly Q diseases.
  • Further investigation into miRNA biomarkers could improve diagnosis and prognosis.
  • miRNAs hold potential for novel therapeutic strategies in Poly Q diseases.
Keywords:
biomarkermicroRNAsneurodegenerationpolyglutamine diseasestherapy

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