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Protective capacity of carotenoid trans-astaxanthin in rotenone-induced toxicity in Drosophila melanogaster
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Protective capacity of carotenoid trans-astaxanthin in rotenone-induced toxicity in Drosophila melanogaster
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Protective capacity of carotenoid trans-astaxanthin in rotenone-induced toxicity in Drosophila melanogaster
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Journal Article
Protective capacity of carotenoid trans-astaxanthin in rotenone-induced toxicity in Drosophila melanogaster
2022
Overview
Trans-astaxanthin (TA), a keto-carotenoid found in aquatic invertebrates, possesses anti-oxidative and anti-inflammatory activities. Rotenone is used to induce oxidative stress-mediated Parkinson’s disease (PD) in animals. We probed if TA would protect against rotenone-induced toxicity in
Drosophila melanogaster
. Trans-astaxanthin (0, 0.1, 0.5, 1.0, 2.5, 10, and 20 mg/10 g diet) and rotenone (0, 250 and 500 μM) were separately orally exposed to flies in the diet to evaluate longevity and survival rates, respectively. Consequently, we evaluated the ameliorative actions of TA (1.0 mg/10 g diet) on rotenone (500 μM)-induced toxicity in Drosophila after 7 days’ exposure. Additionally, we performed molecular docking of TA against selected pro-inflammatory protein targets. We observed that TA (0.5 and 1.0 mg/10 g diet) increased the lifespan of
D. melanogaster
by 36.36%. Moreover, TA (1.0 mg/10 g diet) ameliorated rotenone-mediated inhibition of Catalase, Glutathione-S-transferase and Acetylcholinesterase activities, and depletion of Total Thiols and Non-Protein Thiols contents. Trans-astaxanthin prevented behavioural dysfunction and accumulation of Hydrogen Peroxide, Malondialdehyde, Protein Carbonyls and Nitric Oxide in
D. melanogaster
(
p
< 0.05). Trans-astaxanthin showed higher docking scores against the pro-inflammatory protein targets evaluated than the standard inhibitors. Conclusively, the structural features of TA might have contributed to its protective actions against rotenone-induced toxicity.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
/ 631/378
/ 631/45
/ Acetylcholinesterase - metabolism
/ Animals
/ Catalase
/ Diet
/ Drosophila melanogaster - metabolism
/ Glutathione Transferase - metabolism
/ Humanities and Social Sciences
/ Insects
/ Molecular Docking Simulation
/ Proteins
/ Rotenone
/ Science
/ Sulfhydryl Compounds - metabolism
/ Survival
/ Thiols
/ Toxicity
