Article Publish Status: FREE
Abstract Title:

Protective effects of thymoquinone and alpha-tocopherol on the sciatic nerve and femoral muscle due to lower limb ischemia-reperfusion injury.

Abstract Source:

Eur Rev Med Pharmacol Sci. 2016 Mar ;20(6):1192-202. PMID: 27049277

Abstract Author(s):

A Erkut, M C Cure, Y Kalkan, M S Balik, Y Guvercin, E Yaprak, S Yuce, I Sehitoglu, E Cure

Article Affiliation:

A Erkut


OBJECTIVE: Thymoquinone (TQ) is an antioxidant and anti-apoptotic substance found in the Nigella sativa plant. Alpha-tocopherol (α-TP) is a potent antioxidant. We aimed to determine whether or not TQ and TP have a protective effect against lower limb ischemia-reperfusion (IR) injury of muscle and the sciatic nerve.

MATERIALS AND METHODS: A single dose of TQ 25 mg/kg was given intraperitoneally to the TQ group, a single dose ofα-TP 200 mg/kg was given intraperitoneally to the α-TP group. IR was performed for 45 minutes after the drugs' applications.

RESULTS: While serum levels of malondialdehyde (MDA) and interleukin-6 (IL-6) of the IR group were significantly higher than those of the TQ plusα-TP, TQ and α-TP groups (p<0.001, p<0.001, p=0.008, respectively) and IL-6 (all p<0.001), the reduced glutathione (GSH) level of the IR group was lower than that of the other three groups. While neuronal nitric oxide synthase activity of nerve tissues of the IR group was significantly lower than that of the TQ plusα-TP group, the muscle tissue caspase-3 activity was higher than that of the TQ plus α-TP group.

CONCLUSIONS: Administration of TQ plusα-TP may strongly protect muscle and nerve tissues against IR injury via their synergistic effects.

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