Exposure to common quaternary ammonium disinfectants decreases fertility in mice.

Exposure to common quaternary ammonium disinfectants decreases fertility in mice.
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DOI:
10.1016/j.reprotox.2014.07.071
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发表时间:
2014-12
期刊:
Reproductive toxicology (Elmsford, N.Y.)
影响因子:
--
通讯作者:
Hrubec TC
Hrubec TC
中科院分区:
其他
文献类型:
--
作者:
Melin VE;Potineni H;Hunt P;Griswold J;Siems B;Werre SR;Hrubec TC

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季铵化合物(QACs)是商业和家庭环境中常用的抗菌消毒剂。QACs的广泛使用导致人类普遍接触,但生殖毒性尚未得到评估。实验小鼠的生殖能力下降与引入含有烷基二甲基苄基氯化铵(ADBAC)和二癸基二甲基氯化铵(DDAC)的消毒剂同时发生。在停止使用消毒剂后的几个月内,在笼子材料中检测到QACs。暴露于QAC消毒剂六个月的繁殖对表现出生育力和繁殖力的下降:第一胎的时间增加,怀孕间隔延长,每胎幼崽数量减少,怀孕次数减少。在近期大坝中也观察到显著的发病率。总之,暴露于一种常见的QAC消毒剂混合物会显著损害小鼠的生殖健康。这项研究说明了评估常用产品的混合毒性的重要性,其成分仅被单独评估过。
Quaternary ammonium compounds (QACs) are antimicrobial disinfectants commonly used in commercial and household settings. Extensive use of QACs results in ubiquitous human exposure, yet reproductive toxicity has not been evaluated. Decreased reproductive performance in laboratory mice coincided with the introduction of a disinfectant containing both alkyl dimethyl benzyl ammonium chloride (ADBAC) and didecyl dimethyl ammonium chloride (DDAC). QACs were detected in caging material over a period of several months following cessation of disinfectant use. Breeding pairs exposed for six months to a QAC disinfectant exhibited decreases in fertility and fecundity: increased time to first litter, longer pregnancy intervals, fewer pups per litter and fewer pregnancies. Significant morbidity in near term dams was also observed. In summary, exposure to a common QAC disinfectant mixture significantly impaired reproductive health in mice. This study illustrates the importance of assessing mixture toxicity of commonly used products whose components have only been evaluated individually.
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