Related Experiment Video
Updated: Jun 11, 2025
Author Spotlight: Unveiling the Therapeutic Effects of FSN Treatment – Bridging Research and Clinical Applications in Neuropathic Pain
Published on: June 30, 2023
Electroacupuncture alleviates sciatic nerve injury and inhibits autophagy in rats
Meiling Chen1, He Ran Xiong2, Yanping Hu2
1Department of Cardiology, Wuhan Hospital of Traditional Chinese Medicine, Wuhan, China.
Background:
Sciatic nerve injury is a common form of peripheral nerve injury (PNI). It has been suggested that electroacupuncture (EA) stimulation at GB30 and ST36 can improve nerve dysfunction post-PNI. Autophagy is an important factor in the regeneration of sciatic nerves and recovery of motor function. Therefore, we investigated the biological effects of EA and examined whether these were mediated by autophagy in sciatic nerve injury.
Methods:
Mechanical clamping of the sciatic nerve in Sprague-Dawley rats was performed to establish an experimental model of sciatic nerve injury. EA stimulation was administered once daily for 15 min for seven consecutive days beginning 1 week after successful modeling. The recovery of sciatic nerve function was examined via the sciatic functional index (SFI) test. Morphometric analysis was conducted by staining nerve samples with toluidine blue. Autophagy-associated protein levels were measured via Western blotting.
Results:
EA stimulation at GB30 and ST36 significantly increased the number of myelinated fibers, axonal and fiber diameters, and the thickness of the myelin sheath in our rat model of sciatic nerve injury. In addition, EA stimulation greatly facilitated nerve regeneration following sciatic nerve injury. Moreover, sciatic nerve injury-induced autophagy was inhibited by EA stimulation.
Conclusion:
EA facilitates recovery of injured sciatic nerves and inhibits autophagy in a rat model.
