Article Publish Status: FREE
Abstract Title:

Neuroprotective effect of-acetylcysteine against cisplatin-induced toxicity in rat brain by modulation of oxidative stress and inflammation.

Abstract Source:

Drug Des Devel Ther. 2019 ;13:1155-1162. Epub 2019 Apr 11. PMID: 31043768

Abstract Author(s):

Wessam M Abdel-Wahab, Farouzia I Moussa

Article Affiliation:

Wessam M Abdel-Wahab


Background: Neurotoxicity is a major obstacle to the effectiveness of cisplatin (CDDP) in cancer chemotherapy. Oxidative stress and inflammation are considered to be the major mechanisms involved in CDDP-induced neurotoxicity. The rationale of our study was to investigate the efficacy of-acetylcysteine (NAC) at two different doses in the management of CDDP-induced toxicity in rat brain by monitoring its antioxidant and anti-inflammatory effects.

Methods: Thirty-five male rats were divided into five groups (n=7) as follows: control group (0.5 mL saline), NACgroup (100 mg/kg), CDDP group (8 mg/kg), NAC-CDDP group (50 mg/kg NAC and 8 mg/kg CDDP), and NAC-CDDP group (100 mg/kg NAC and 8 mg/kg CDDP). NAC was administered for 20 consecutive days, while CDDP was injected once on day 15 of the treatment protocol.

Results: The neurotoxicity of CDDP was evidenced by a marked increase in acetylcholinesterase and monoamine oxidase activities. It also induced oxidative stress as indicated by increased levels of lipid peroxidation, nitric oxide, and protein carbonyl with a concomitant decline in reduced glutathione, glutathione peroxidase, glutathione S-transferase, superoxide dismutase, and catalase in the brain. Moreover, CDDP enhanced the synthesis of pro-inflammatory cytokines such as tumor necrosis factor-α, interleukin-1β, and interleukin-6. Treatment with NAC at the two selected doses significantly attenuated CDDP-induced changes in the brain cholinergic function, improved the brain oxidant/antioxidant status, and also reversed the overproduction of pro-inflammatory cytokines in brain and serum.

Conclusion: NAC could serve as an appropriate and safe complementary therapeutic agent to attenuate the toxicity of CDDP in the brain and therefore improve its outcomes in chemotherapy.

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