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In vitro evaluation of structural analogs of diallyl sulfide as novel CYP2E1 inhibitors for their protective effect against xenobiotic-induced toxicity and HIV replication.

Toxicology letters (2018-04-26)
Mohammad A Rahman, Yuqing Gong, Santosh Kumar
RESUMO

Diallyl sulfide (DAS) has been shown to prevent xenobiotic (e.g. ethanol, acetaminophen) induced toxicity and disease (e.g. HIV-1) pathogenesis. DAS imparts its beneficial effect by inhibiting CYP2E1-mediated metabolism of xenobiotics, especially at high concentration. However, DAS also causes toxicity at relatively high dosages and with long exposure times. Therefore, the goal of the current study was to investigate the structural analogs of DAS for their improved toxicity profiles and their effectiveness in reducing xenobiotic-induced toxicity and HIV-1 replication. Previously, we identified commercially available analogs that possessed CYP2E1 inhibitory capacity greater than or equal to that of DAS. In this study, we evaluated the toxicity and efficacy of these analogs using hepatocytes, monocytes, and astrocytes where CYP2E1 plays an important role in xenobiotic-mediated toxicity. Our results showed that thiophene, allyl methyl sulfide, diallyl ether, and 2-prop-2-enoxyacetamide are significantly less cytotoxic than DAS in these cells. Moreover, these analogs reduced ethanol- and acetaminophen-induced toxicity in hepatocytes and HIV-1 replication in monocytes more effectively than DAS. Overall, our findings are significant in terms of using these DAS analogs as a tool in vitro and in vivo, especially to examine chronic xenobiotic-induced toxicity and disease pathogenesis that occurs through the CYP2E1 pathway.

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Sigma-Aldrich
Palmitoylethanolamide
Sigma-Aldrich
Allyl ether, 98%
Sigma-Aldrich
Allyl methyl sulfide, 98%

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