ArticleToxicology research2025
Manganese exposure: a study on apoptosis and Ferroptosis in mouse Leydig and Sertoli cells.
Article in Toxicology research, 2025. 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
Manganese (Mn), a vital trace element for biological functions, has raised health concerns due to potential toxicity. Excessive Mn impairs male reproduction by reducing testosterone, inducing oxidative stress, and disrupting spermatogenesis. However, its mechanisms targeting Leydig and Sertoli cells remain unclear. This study investigates Mn's reproductive toxicity by utilizing Leydig cell line TM3 and Sertoli cell line TM4, MTT assays revealed median lethal concentrations of 230 μM (TM3) and 170 μM (TM4), with AO/EB/DAPI staining confirming condensed nuclei and enhanced fluorescence. Apoptosis inhibitor Z-VAD-FMK (20 μM) suppressed cell death in both cell lines, whereas ferroptosis inhibitor Ferrostatin-1 (10 μM) specifically attenuated TM4 cell death. Necrosis inhibitor Necrostatin-1 (10 μM) showed no protective effect. Mn triggered ROS elevation in TM4 cells, accompanied by upregulated
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