Puerarin accelerates neural regeneration after sciatic nerve injury.

Abstract:

:Puerarin is a natural isoflavone isolated from plants of the genus Pueraria and functions as a protector against cerebral ischemia. We hypothesized that puerarin can be involved in the repair of peripheral nerve injuries. To test this hypothesis, doses of 10, 5, or 2.5 mg/kg per day puerarin (8-(β-D-Glucopyranosyl-7-hydroxy-3-(4-hydroxyphenyl)-4H-1-benzopyran-4-one) were injected intraperitoneally into mouse models of sciatic nerve injury. Puerarin at the middle and high doses significantly up-regulated the expression of growth-associated protein 43 in the L4-6 segments of the spinal cord from mice at 1, 2, and 4 weeks after modeling, and reduced the atrophy of the triceps surae on the affected side and promoted the regeneration of nerve fibers of the damaged spinal cord at 8 weeks after injury. We conclude that puerarin exerts an ongoing role to activate growth-associated protein 43 in the corresponding segment of the spinal cord after sciatic nerve injury, thus contributing to neural regeneration after sciatic nerve injuries.

journal_name

Neural Regen Res

authors

Wu M,Zhao G,Yang X,Peng C,Zhao J,Liu J,Li R,Gao Z

doi

10.4103/1673-5374.130097

subject

Has Abstract

pub_date

2014-03-15 00:00:00

pages

589-93

issue

6

eissn

1673-5374

issn

1876-7958

pii

NRR-9-589

journal_volume

9

pub_type

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