ArticlePhysiological research2024
The Toxic Effect of Toluene on Ovarian Cells Can Be Prevented by the MicroRNA miR-152.
Article in Physiological research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The potential of microRNAs to protect the female reproductive system from the toxic influence of oil-related environmental contaminants has not yet been examined. The aim of the present study was to examine the ability of the microRNA miR-152 to prevent the toxic effects of toluene on ovarian cells. Porcine ovarian granulosa cells transfected or not transfected with miR-152 mimics were cultured with or without toluene (0, 10 and 100 ng/ml). The expression of miR-152; cell viability; proliferation (accumulation of PCNA, cyclin B1 and BrdU); cytoplasmic/mitochondrial apoptosis (accumulation of bax and caspase 3); and release of progesterone, testosterone and estradiol were quantified via RT-qPCR, the Trypan blue exclusion test, quantitative immunocytochemistry, the BrdU assay and ELISA. The addition of toluene reduced cell viability, decreased the levels of all the measured markers of proliferation and the release of all the measured steroid hormones, and promoted the expression of apoptosis markers. Transfection of cells with miR-152 mimics increased the expression of miR-152, cell proliferation, and progesterone release but reduced apoptosis and the release of testosterone and estradiol. Moreover, miR-152 prevented or inhibited all the toluene effects in addition to its inhibitory effect on testosterone and estradiol release. The present results demonstrate that miR-152 can protect ovarian cells from the harmful influence of toluene.
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