J Pineal Res:褪黑激素可保护鱼藤酮诱导的胚胎发育障碍

2019-12-15 QQY MedSci原创

褪黑激素,是松果体的主要激素,对线粒体有许多有益的作用。多项研究表明,在成熟过程中,褪黑激素可防止毒素诱导的卵母细胞质量下降。但关于褪黑激素对接触毒素的早期胚胎的有益影响的信息很少,其作用机制尚不明确。鱼藤酮是一种广泛应用于农业的化学物质,可诱导线粒体毒性,进而破坏生殖系统,影响卵母细胞的成熟、排卵和受精。Ying‐Jie Niu等人研究了褪黑激素是否可通过其线粒体保护作用减轻鱼藤酮暴露对胚胎发育

褪黑激素,是松果体的主要激素,对线粒体有许多有益的作用。多项研究表明,在成熟过程中,褪黑激素可防止毒素诱导的卵母细胞质量下降。但关于褪黑激素对接触毒素的早期胚胎的有益影响的信息很少,其作用机制尚不明确。

鱼藤酮是一种广泛应用于农业的化学物质,可诱导线粒体毒性,进而破坏生殖系统,影响卵母细胞的成熟、排卵和受精。Ying‐Jie Niu等人研究了褪黑激素是否可通过其线粒体保护作用减轻鱼藤酮暴露对胚胎发育的损害。研究人员将激活的卵母细胞随机分为四组:对照组、褪黑激素治疗组、鱼藤酮‐暴露组和“鱼藤酮+褪黑激素”组。

褪黑激素处理可消除鱼藤酮诱导的胚胎发育障碍、线粒体功能障碍和ATP缺乏,并显著降低氧化应激、减少细胞凋亡。褪黑激素还可增加促进线粒体生物起源的SIRT1和PGC-1α的表达。敲低或药物抑制SIRT1可消除褪黑激素恢复鱼藤酮诱导损伤的能力。

总而言之,褪黑激素可通过减少ROS的产生和促进线粒体的生物发生来挽救鱼藤酮诱导的胚胎发育障碍。本研究表明,褪黑激素通过促进线粒体的生物发生来挽救毒素诱导的早期胚胎发育障碍。

原始出处:

Ying‐Jie Niu, et al.Melatonin enhances mitochondrial biogenesis and protects against rotenone‐induced mitochondrial deficiency in early porcine embryos.Journal of Pineal Research. November 27, 2019. https://doi.org/10.1111/jpi.12627

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    2019-12-17 ailian1202
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    2019-12-17 neurowu

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