2,2',4,4'-Tetrabromodiphenyl ether disrupts spermatogenesis in mice by interfering with the ER-Nrf1-Tfam-mitochondria pathway.

Toxicol Ind Health 2022

Huang S, Xia J, Zhang X, Zhou T, Wang J et al.

Abstract

2,2’,4,4’ -tetrabromodiphenyl ether (BDE47), a well-known endocrine disruptor of the estrogen receptor (ER) is toxic to the mitochondria and spermatogenesis. This study aimed to explore the mechanism of BDE47 on spermatogenesis in mammals. Adult male Institute of Cancer Research (ICR) mice were gavaged daily with BDE47 (0, 1, or 10 mg/kg bw) for 8 weeks. Testicular weight, sperm production and motility, morphology of spermatogenic cells, nuclear respiratory factor 1 (Nrf1) level, and its expression in testes were determined.

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