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3-4methylenedioxymethamphetamine (MDMA) is a synthetic and psychoactive drug, which is known popularly as Ecstasy and has toxic effects on human organs.Considering the potential toxic interaction, this study was performed to quantify the expression of bax and bcl2 genes in MDMA-induced hepatotoxicity on rat liver. Subsequently, we evaluated pentoxifylline as a possible protective drug on hepatotoxicity.Adult male Wistar rats weighting 250 - 300 grams were used in the study. The rats were equally distributed into four experimental groups (5 rat/group). MDMA was dissolved in PBS and injected intraperitoneally (IP) including untreated control, MDMA (MDMA dissolved in PBS), treated-1 (MDMA followed by PTX) and treated-2 (PTX followed by MDMA). All animals given MDMA received 3 doses of 7.5mg/kg with two hours gap between doses. Liver tissue was removed after anaesthetizing. Subsequently, RNA isolation, cDNA synthesis and Real-Time PCR were performed. Finally, data analyzed statistically to determine significantly differences between the groups (P value < 0.05).Using Real-Time quantitative PCR results, the gene expression ratio of bcl2 were calculated 93.80±20.64, 340.45 ± 36.60 and 47.13 ± 5.84 fold in MDMA, treated-1 and treated-2 groups, respectively. Furthermore, this ratio for bax gene obtained 2.13±0.33 fold in MDMA, 1.55 ± 0.26 fold in treated-1 and 10.44 ± 1.56 fold in treated-2 groups.The present study focused on molecular mechanism of MDMA in programmed cell death using gene expression quantification of a pro-apoptotic and anti-apoptoic gene in MDMA-induced hepatotoxocity. The results showed that MDMA prompted apoptosis in liver and pentoxifylline protected against hepatotoxicity before and after taking MDMA.

iranian red crescent medical journal

Expression of bax and bcl2 Genes in MDMA-induced Hepatotoxicity on Rat Liver Using Quantitative Real-Time PCR Method through Triggering Programmed Cell Death