Fas ligand regulate nerve injury and repair by affecting AKT, β-catenin, and NF-κB pathways

Yiyue Zhou1, Yi Yao2, Yumei Feng1

  • 1School of Life Sciences, Jiangsu Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration, Nantong University, 19 Qixiu Road, Nantong, Jiangsu 226001, China.

PubMed
Abstract

Insights

Fas-L down-regulation after sciatic nerve injury promotes nerve regeneration and inhibits apoptosis in rats. Modulating Fas-L offers potential for peripheral nerve repair and functional reconstruction.

Area of Science:

  • Neuroscience
  • Molecular Biology
  • Regenerative Medicine

Background:

  • Peripheral nerve injuries pose significant challenges to functional recovery.
  • Understanding the molecular mechanisms regulating nerve repair is crucial for developing effective treatments.

Purpose of the Study:

  • To investigate the regulatory role of Fas-L in peripheral nerve repair and regeneration.
  • To explore the impact of Fas-L on apoptosis and axonal regeneration in dorsal root ganglion (DRG) cells.

Main Methods:

  • Utilized an animal model of sciatic nerve injury in Sprague Dawley (SD) rats.
  • Employed cell biology and molecular biology techniques to analyze DRG cells.
  • Investigated the effects of manipulating Fas-L expression on nerve regeneration and apoptosis.

Main Results:

  • Fas-L expression was significantly downregulated in DRG tissues post-sciatic nerve injury.
  • Interference with Fas-L promoted axonal regeneration and inhibited apoptosis.
  • Overexpression of Fas-L had the opposite effect, hindering regeneration and promoting apoptosis.
  • Fas-L influences DRG function and peripheral nerve repair via signaling pathways including p-AKT/AKT, β-catenin, and NF-κB.

Conclusions:

  • Fas-L plays a regulatory role in peripheral nerve injury repair and regeneration in SD rats.
  • Modulating Fas-L expression presents a potential therapeutic strategy for functional reconstruction of peripheral nerves.

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