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Isolation of Region-specific Microglia from One Adult Mouse Brain Hemisphere for Deep Single-cell RNA Sequencing
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Published on: December 3, 2019

Unwrapping myelination by microRNAs

Xuelian He1, Yang Yu, Rajeshwar Awatramani

  • 1Institute of Stem Cell & Developmental Biology, West China Second Hospital, Sichuan University, Chengdu, PR China.

The Neuroscientist : a Review Journal Bringing Neurobiology, Neurology and Psychiatry
|May 4, 2011
PubMed

Insights

MicroRNAs (miRNAs) are crucial for myelin sheath formation in the nervous system. Their dysregulation is linked to demyelinating diseases, highlighting their therapeutic potential.

Area of Science:

  • Neuroscience
  • Molecular Biology
  • Cell Biology

Background:

  • Myelination by oligodendrocytes and Schwann cells is vital for neuronal function.
  • Failure in myelination leads to severe demyelinating diseases.
  • Oligodendrocyte and Schwann cell precursors undergo specific developmental changes to myelinate axons.

Purpose of the Study:

  • To review the critical role of microRNAs (miRNAs) in oligodendrocyte and Schwann cell differentiation.
  • To elucidate the dynamic regulation of miRNA expression during myelination.
  • To discuss the functional links of miRNAs to regulatory networks in central and peripheral myelination.

Main Methods:

  • Review of recent studies on miRNA function in myelination.
  • Analysis of miRNA-mediated gene regulation during cell differentiation.
  • Examination of miRNA involvement in demyelinating diseases.

Main Results:

  • Depletion of miRNAs arrests differentiation and prevents myelination in both cell types.
  • miRNAs are dynamically regulated during the differentiation of myelinating cells.
  • miRNAs are integral to the regulatory networks controlling central and peripheral myelination.

Conclusions:

  • MicroRNAs are essential regulators of myelin development.
  • Understanding miRNA roles offers insights into demyelinating diseases.
  • miRNAs represent potential therapeutic targets for treating demyelinating conditions.

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