Journal
JOURNAL OF SPINAL CORD MEDICINE
Volume 46, Issue 1, Pages 99-106Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/10790268.2021.1954378
Keywords
Spinal cord injury (SCI); Buyang Huanwu decoction (BYHWD); Rubrospinal tract (RST); Red nucleus; mTOR signaling pathway; Autophagy
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This study suggests that Buyang huanwu decoction (BYHWD) can improve neural recovery in spinal cord injury (SCI) rats by enhancing motor function and neuron survival. The neuroprotective effects of BYHWD may be associated with modulation of the mTOR signaling pathway and autophagy.
Background Spinal cord injury (SCI) refers to the interruption of the tracts inside the spinal cord caused by various factors. The repair of damaged axons has always been a difficult point in clinical treatment and neuroscience research. The treatment of SCI with Buyang huanwu decoction (BYHWD), a well-known recipe for invigorating Qi (a vital force forming part of any living entity in traditional Chinese culture) and promoting blood circulation, shows a good effect. Methods The rubrospinal tract (RST) transection model in rats was established in this study and rats were administrated with low (BL), medium (BM), or high (BH) doses of BYHWD. Results Compared with the SCI group, BL, BM moderately, and BH significantly improved the motor function of forelimbs and increased the number of red nucleus neurons in SCI rats. As for the possible molecular mechanism, BL, BM moderately, and BH significantly increased mTOR whereas decreased Beclin-1 and LC3 in the red nucleus. Conclusion In conclusion, low, medium, and high doses of BYHWD could promote neural recovery in SCI rats through improving motor function and neuron survival in the red nucleus. The neuroprotective effects of BYHWD might be associated with affecting the mTOR signaling pathway and autophagy.
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