Lipoic acid increaes Nrf2 expression in TBI

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NHE
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Lipoic acid increaes Nrf2 expression in TBI

Post by NHE » Mon Aug 05, 2019 5:10 am

Alpha lipoic acid inhibits oxidative stress-induced apoptosis by modulating of Nrf2 signalling pathway after traumatic brain injury.
J Cell Mol Med. 2019 Jun;23(6):4088-4096.
  • Alpha lipoic acid (ALA) is a powerful antioxidant which has been widely used in the treatment of different system diseases, such as cardiovascular and cerebrovascular diseases. But, there are few studies that refer to protective effects and potential mechanisms on traumatic brain injury (TBI). This study was carried out to investigate the neuroprotective effect following TBI and illuminate the underlying mechanism. Weight drop-injured model in rats was induced by weight-drop. ALA was administrated via intraperitoneal injection after TBI. Neurologic scores were examined following several tests. Neurological score was performed to measure behavioural outcomes. Nissl staining and TUNEL were performed to evaluate the neuronal apoptosis. Western blotting was engaged to analyse the protein content of the Nuclear factor erythroid 2-related factor 2 (Nrf2) and its downstream protein factors, including hemeoxygenase-1 (HO-1) and quinine oxidoreductase-1 (NQO1). ALA treatment alleviated TBI-induced neuron cell apoptosis and improved neurobehavioural function by up-regulation of Nrf2 expression and its downstream protein factors after TBI. This study presents new perspective of the mechanisms responsible for the neuronal apoptosis of ALA, with possible involvement of Nrf2 pathway.
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