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MicroRNA-409 promotes recovery of spinal cord injury by regulating ZNF366

C-A Lin1, K-Y Duan, X-W Wang

  • 1Department of Spinal Surgery, The Affiliated Hospital of Weifang Medical University, Weifang, China. linchanganwf@sina.com.

European Review for Medical and Pharmacological Sciences
|June 28, 2018
PubMed
Abstract

Insights

MicroRNA-409 is reduced after spinal cord injury (SCI). Increasing microRNA-409 levels helps promote recovery by targeting ZNF366, offering a potential therapeutic strategy for SCI.

Area of Science:

  • Neuroscience
  • Molecular Biology
  • Genetics

Background:

  • Spinal cord injury (SCI) is a debilitating condition with limited treatment options.
  • MicroRNAs play crucial roles in post-injury recovery.
  • The specific role of microRNA-409 in SCI remains largely unexplored.

Purpose of the Study:

  • To investigate the role of microRNA-409 in spinal cord injury (SCI) recovery.
  • To elucidate the underlying molecular mechanism of microRNA-409 in SCI.

Main Methods:

  • Established a mouse model of spinal cord injury (SCI).
  • Quantified microRNA-409 and ZNF366 expression using qRT-PCR.
  • Utilized plasmid transfection to overexpress microRNA-409.
  • Verified the direct binding of microRNA-409 and ZNF366 via luciferase activity assay.

Main Results:

  • SCI significantly reduced microRNA-409 expression and increased ZNF366 expression.
  • Overexpression of microRNA-409 led to a decrease in ZNF366 expression.
  • Confirmed ZNF366 as a direct target of microRNA-409 through bioinformatics and luciferase assays.
  • Overexpression of microRNA-409 improved grip strength recovery in SCI mice.

Conclusions:

  • MicroRNA-409 is downregulated in spinal cord injury (SCI).
  • MicroRNA-409 directly targets ZNF366.
  • Upregulating microRNA-409 promotes spinal cord injury (SCI) recovery.

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