Protective effect of trehalose on sperm chromatin condensation failure and semen quality decline in BDE-209-exposed mice.

IF 3.9 3区医学 Q2 FOOD SCIENCE & TECHNOLOGY

Food and Chemical Toxicology Pub Date : 2024-12-08 DOI:10.1016/j.fct.2024.115168

Xin Gao, Huan He, Qi Zheng, Siju Chen, Yu Wei, Taifa Zhang, Yi Wang, Bo Wang, Dake Huang, Shengquan Zhang, Sumei Zhang, Jinxia Zhai

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引用次数: 0

Abstract

BDE-209 exposure induced male reproductive toxicity with sperm quality decline. However, the role of autophagy in this was unclear. The purpose was to evaluate the protective effect and its potential mechanism of trehalose (Tre, autophagy inducer) on reproductive damage during spermiogenesis induced by BDE-209. We used 2% w/v Tre and 75 mg/kg/d BDE-209 cotreated mice for 42 days. GC-2 spd cells were cotreated with Tre, chloroquine (CQ, inhibition of autophagic flux), compound C (CC, AMPK inhibitor), and BDE-209. Tre intake significantly recovered decrease in sexual organ ratio and poor sperm quality in BDE-209-exposed mice. Supplementation with Tre rescued sperm head malformation by improving aberrant histone-protamine exchange in BDE-209-exposed mice. However, Tre intake couldn't restore the acrosome biogenesis. In addition, Tre supplementation improved testicular damage induced by BDE-209. BDE-209 blocked autophagic flux with increased P62 and LC3BⅡ/Ⅰ levels. Mechanistically, CQ treatment aggravated elevation of P62 and LC3BⅡ/Ⅰ levels induced by BDE-209, otherwise, CC and Tre treatments inhibited the rise in p-AMPK, p-ULK1, P62 and LC3BⅡ/Ⅰ levels induced by BDE-209. Tre supplementation improved reproductive injury in BDE-209-exposed mice by regulating autophagic flow via AMPK-ULK1 signaling pathways, which providing a new theoretical basis and possible therapeutic targets for male reproductive toxicity.

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来源期刊

Food and Chemical Toxicology 工程技术-毒理学

CiteScore

10.90

自引率

4.70%

发文量

651

审稿时长

31 days

期刊介绍： Food and Chemical Toxicology (FCT), an internationally renowned journal, that publishes original research articles and reviews on toxic effects, in animals and humans, of natural or synthetic chemicals occurring in the human environment with particular emphasis on food, drugs, and chemicals, including agricultural and industrial safety, and consumer product safety. Areas such as safety evaluation of novel foods and ingredients, biotechnologically-derived products, and nanomaterials are included in the scope of the journal. FCT also encourages submission of papers on inter-relationships between nutrition and toxicology and on in vitro techniques, particularly those fostering the 3 Rs. The principal aim of the journal is to publish high impact, scholarly work and to serve as a multidisciplinary forum for research in toxicology. Papers submitted will be judged on the basis of scientific originality and contribution to the field, quality and subject matter. Studies should address at least one of the following: -Adverse physiological/biochemical, or pathological changes induced by specific defined substances -New techniques for assessing potential toxicity, including molecular biology -Mechanisms underlying toxic phenomena -Toxicological examinations of specific chemicals or consumer products, both those showing adverse effects and those demonstrating safety, that meet current standards of scientific acceptability. Authors must clearly and briefly identify what novel toxic effect (s) or toxic mechanism (s) of the chemical are being reported and what their significance is in the abstract. Furthermore, sufficient doses should be included in order to provide information on NOAEL/LOAEL values.