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Evid Based Complement Alternat Med. 2013;2013:876327. doi: 10.1155/2013/876327. Epub 2013 Apr 16.

Ferulic Acid Enhances Peripheral Nerve Regeneration across Long Gaps.

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  • 1Department of Food Science, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan ; Department of Orthopaedics, Pingtung Branch, Kaoshiung Veterans General Hospital, Kaohsiung 91201, Taiwan.


This study investigated the effect of ferulic acid (FA) on peripheral nerve injury. In the in vitro test, the effect of FA on viability of Schwann cells was studied. In the in vivo test, right sciatic nerves of the rats were transected, and a 15 mm nerve defect was created. A nerve conduit made of silicone rubber tube filled with FA (5 and 25 μg/mL), or saline (control), was implanted into the nerve defect. Results show that the number of proliferating Schwann cells increased significantly in the FA-treated group at 25 μg/mL compared to that in the control group. After 8 weeks, the FA-treated group at 25 μg/mL had a higher rate of successful regeneration across the wide gap, a significantly calcitonin gene-related peptide (CGRP) staining of the lamina I-II regions in the dorsal horn ipsilateral to the injury, a significantly diminished number of macrophages recruited, and a significantly shortening of the latency and an acceleration of the nerve conductive velocity (NCV) of the evoked muscle action potentials (MAPs) compared with the controls. In summary, the FA may be useful in the development of future strategies for the treatment of peripheral nerve injury.

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