Neuroscience letters · 2013
Curcumin promotes nerve regeneration and functional recovery in rat model of nerve crush injury.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Ma Junxiong, Liu Jun, Yu Hailong, Wang Qi, Chen Yu, Xiang Liangbi
Аннотация
BACKGROUND AND AIM: Curcumin at 100mg/kg has been shown to have a protective effect on crush nerve injury. However, it is unclear whether the protective effect of curcumin on nerve injury is dose dependent. The present study was designed to investigate such a possibility.
METHODS: The rats subjected to crush nerve injury were intraperitoneally administrated daily for 4 weeks with curcumin (50 mg/kg, 100 mg/kg and 300 mg/kg), or 100 μg/kg mecobalamin or normal saline, respectively. The axonal regeneration was investigated by retrograde labeling and morphometric analysis. The motor functional recovery was evaluated by electrophysiological studies, behavioral tests and histological appearance of the target muscles.
RESULTS: Our data showed that curcumin and mecobalamin achieved better nerve regeneration and functional recovery than vehicle group. In addition, high doses of curcumin (100 mg/kg and 300 mg/kg) showed better performance in promoting nerve regeneration and functional recovery than low dose of curcumin (50 mg/kg).
CONCLUSIONS: Curcumin is capable of promoting nerve regeneration after nerve injuries, highlighting the therapeutic values of curcumin as a neuroprotective drug for peripheral nerve repair applications.
METHODS: The rats subjected to crush nerve injury were intraperitoneally administrated daily for 4 weeks with curcumin (50 mg/kg, 100 mg/kg and 300 mg/kg), or 100 μg/kg mecobalamin or normal saline, respectively. The axonal regeneration was investigated by retrograde labeling and morphometric analysis. The motor functional recovery was evaluated by electrophysiological studies, behavioral tests and histological appearance of the target muscles.
RESULTS: Our data showed that curcumin and mecobalamin achieved better nerve regeneration and functional recovery than vehicle group. In addition, high doses of curcumin (100 mg/kg and 300 mg/kg) showed better performance in promoting nerve regeneration and functional recovery than low dose of curcumin (50 mg/kg).
CONCLUSIONS: Curcumin is capable of promoting nerve regeneration after nerve injuries, highlighting the therapeutic values of curcumin as a neuroprotective drug for peripheral nerve repair applications.