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Published on: May 3, 2024
Paeoniae alba Radix Promotes Peripheral Nerve Regeneration
Kun-Shan Huang1, Jaung-Geng Lin, Han-Chung Lee
1Graduate Institute of Chinese Medical Science, China Medical University, Taiwan.
Evidence-Based Complementary and Alternative Medicine : Ecam
|August 19, 2009
Summary
Paeoniae alba Radix (PR) extract significantly enhances peripheral nerve regeneration. Studies show PR promotes neurite outgrowth in vitro and improves nerve repair in vivo, suggesting it
Area of Science:
- Neuroscience
- Pharmacology
- Regenerative Medicine
Background:
- Peripheral nerve injuries pose significant challenges to recovery.
- Identifying natural compounds that promote nerve regeneration is crucial.
Purpose of the Study:
- To evaluate the efficacy of Paeoniae alba Radix (PR) in promoting peripheral nerve regeneration.
- To investigate the effects of PR on neurite outgrowth and nerve repair in vitro and in vivo.
Main Methods:
- In vitro: PC12 cells treated with PR to assess neurite outgrowth and expression of growth-associated proteins.
- In vivo: Silicone chambers filled with PR extract used to bridge rat sciatic nerve defects.
- Histological and electrophysiological analyses performed after 8 weeks.
Main Results:
- PR enhanced nerve growth factor-mediated neurite outgrowth and expression of growth-associated protein 43 and synapsin I in PC12 cells.
- In vivo, PR facilitated successful regeneration across a 10-mm sciatic nerve gap.
- PR treatment resulted in increased nerve area, axon count, blood vessel number, and nerve conductive velocity.
Conclusions:
- Paeoniae alba Radix extract demonstrates significant potential as a nerve growth-promoting factor.
- PR extract is beneficial in aiding the regeneration of injured peripheral nerves.
- Further research into PR as a therapeutic agent for nerve repair is warranted.