Deoxynivalenol exposure-related male reproductive toxicity in mammals: Molecular mechanisms, detoxification and future directions

IF 10.3 1区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES
Chongshan Dai , Zhihui Hao , Dingkuo Liu , Zhanhui Wang , Gea Oliveri Conti , Tony Velkov , Jianzhong Shen
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Abstract

An increasing body of evidence indicates that exposure to widespread, environmental and food contaminants such as mycotoxins may cause endocrine disorders and infertility. Deoxynivalenol (DON), which is a toxic secondary metabolite produced by Fusarium fungi, can lead to multiple harmful effects in humans and animals, such as hepatotoxicity, nephrotoxicity, immunotoxicity, gastrointestinal toxicity, neurotoxicity, genetic toxicity and carcinogenicity. Recently, there has been growing concern about DON-induced male infertility. Exposure to DON and its metabolites can damage the structure and function of male reproductive organs, resulting in impairment of gametogenesis and thus impaired fertility. Potential molecular mechanisms involve oxidative stress, inflammatory response, mitochondrial dysfunction, apoptosis, cell cycle arrest, pyroptosis, and ferroptosis. Moreover, several signaling pathways, including nuclear factor-kappa B, mitogen−activated protein kinase, NLR family pyrin domain containing 3, nuclear factor erythroid 2-related factor 2, AMP-activated protein kinase, mitochondrial apoptotic pathways, and microRNAs are involved in these detrimental biological processes. Research has shown that several antioxidants, small-molecule inhibitors, or proteins (such as lactoferrin) supplementation can potentially offer protective effects by targeting these signaling pathways. This review comprehensively summarizes the harmful effects of DON exposure on male reproductive function in mammals, the underlying molecular mechanisms and emphasizes the potential of several small molecules as protective therapeutics. In the further, the systematic risk assessment when DON at environmental exposure doses to human reproductive health, the in-depth and precise molecular mechanism investigation using emerging technologies, and the development of more effective intervention strategies warrant urgent investigation.
哺乳动物暴露与脱氧雪腐镰刀菌醇相关的雄性生殖毒性:分子机制、解毒和未来方向
越来越多的证据表明,接触真菌毒素等广泛存在的环境和食物污染物可能导致内分泌紊乱和不孕症。脱氧雪腐镰刀菌醇(脱氧雪腐镰刀菌醇,DON)是镰刀菌真菌产生的有毒次生代谢物,可对人类和动物产生多种有害影响,如肝毒性、肾毒性、免疫毒性、胃肠道毒性、神经毒性、遗传毒性和致癌性。近年来,人们越来越关注don引起的男性不育症。暴露于DON及其代谢物会损害男性生殖器官的结构和功能,导致配子体发生障碍,从而降低生育能力。潜在的分子机制包括氧化应激、炎症反应、线粒体功能障碍、细胞凋亡、细胞周期阻滞、焦亡和铁亡。此外,核因子κ B、丝裂原活化蛋白激酶、NLR家族pyrin结构域3、核因子红系2相关因子2、amp活化蛋白激酶、线粒体凋亡途径和microrna等信号通路参与了这些有害的生物学过程。研究表明,几种抗氧化剂、小分子抑制剂或蛋白质(如乳铁蛋白)补充剂可以通过靶向这些信号通路提供潜在的保护作用。本文综述了DON暴露对哺乳动物雄性生殖功能的有害影响及其潜在的分子机制,并强调了几种小分子作为保护性治疗药物的潜力。此外,对环境暴露剂量下DON对人类生殖健康的系统性风险评估、利用新兴技术对其分子机制的深入和精确研究以及制定更有效的干预策略都是当务之急。
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来源期刊
Environment International
Environment International 环境科学-环境科学
CiteScore
21.90
自引率
3.40%
发文量
734
审稿时长
2.8 months
期刊介绍: Environmental Health publishes manuscripts focusing on critical aspects of environmental and occupational medicine, including studies in toxicology and epidemiology, to illuminate the human health implications of exposure to environmental hazards. The journal adopts an open-access model and practices open peer review. It caters to scientists and practitioners across all environmental science domains, directly or indirectly impacting human health and well-being. With a commitment to enhancing the prevention of environmentally-related health risks, Environmental Health serves as a public health journal for the community and scientists engaged in matters of public health significance concerning the environment.
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