Birth Defects Res:研究发现,普通的日化产品会导致先天畸形

2017-06-18 MedSci MedSci原创

美国弗吉尼亚理工学院爱德华大学骨科学院(VCOM)和弗吉尼亚-马里兰州兽医学院的新研究发现,普通家用化学品和先天畸形之间存在联系。这类化学品为季铵化合物或"季铵盐",通常用作家用和个人产品中的消毒剂和防腐剂,例如清洁剂,洗衣洗涤剂,织物柔软剂,洗发剂和护发素以及滴眼剂。研究发现,季铵类化合物与新生小鼠或大鼠的神经管畸形有关。"这些化学物质经常被用于家庭、医院、公共场所和游泳池。大多数人都会定期接触

美国弗吉尼亚理工学院爱德华大学骨科学院(VCOM)和弗吉尼亚-马里兰州兽医学院的新研究发现,普通家用化学品和先天畸形之间存在联系。

这类化学品为季铵化合物或"季铵盐",通常用作家用和个人产品中的消毒剂和防腐剂,例如清洁剂,洗衣洗涤剂,织物柔软剂,洗发剂和护发素以及滴眼剂。研究发现,季铵类化合物与新生小鼠或大鼠的神经管畸形有关。

"这些化学物质经常被用于家庭、医院、公共场所和游泳池。大多数人都会定期接触此类物质。"兽医学院的解剖学副教授Terry Hrubec说道,他也是兽医学院生物医学科学和病理生物学系的助理教授。

Hrubec研究了两种常用的季铵类化合物的作用:烷基二甲基苄铵和二癸基二甲基氯化铵。这些成分在成分表上通常分别标示为ADBAC和DDAC,重点关注它们的抗菌和抗静电特性以及降低表面张力的能力。Hrubec发现,接触这些化学物质会引起神经管先天畸形--与人类的脊柱裂和无脑畸形相同的先天畸形。

这项研究的第一作者弗吉尼亚马里兰兽医学院的兽医学博士Hrubec说:"当男性和女性都接触时,或者其中一名家长接触时,均会发现先天畸形。只有父亲接触的情况下也发现了先天畸形,这意味着我们需要扩大产前护理的范围,包括父亲。"

Hrubec发现,小鼠和大鼠甚至不需要用化学药剂来观察效果。她的研究表明,仅仅是在同一个房间里使用含季铵类化合物的清洁剂就足以引起先天畸形。Hrubec补充说:"我们还发现,在停止接触后,啮齿动物的先天畸形增加了两代。"

Hrubec实验室的一项早期研究发现,这些化学物质导致小鼠生殖能力下降。后续的研究发现,季铵类化合物会减少女性的卵子及男性的精子数量。这项研究提出季铵类化合物可能对人类不孕症有影响,这一现象在近几十年来一直呈上升趋势。

"我们总是被问到,这是你在老鼠身上看到的结果。你怎么知道它在人体内是有毒的?"Hrubec说。我们对小鼠和大鼠的研究表明这些化学物质会影响这些动物的胚胎发育。由于啮齿类动物研究是生物医学科学的黄金标准,这就引起了一个巨大的危险信号,即这些化学物质对人类也可能是有毒的。

四元铵化合物是在20世纪50年代和60年代被引入,这是在毒性研究标准化之前。化学制造商在此期间对化合物进行了一些毒性研究,但从未发表过。如今,这些化学品受到美国环境保护署的监管。

Hrubec指出,流行病学研究可以确定那些有很高的接触率的人,比如卫生保健工作者或餐厅服务员,更难怀孕或孩子出现神经管先天畸形的可能性更高,但是迄今为止还没有这样的研究。

原文出处
: Terry C. Hrubec et al, Ambient and dosed exposure to quaternary ammonium disinfectants causes neural tube defects in rodents, Birth Defects Research (2017).


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    2017-06-20 wushaoling
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    2017-06-20 docwu2019
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  6. [GetPortalCommentsPageByObjectIdResponse(id=1753219, encodeId=2e2e1e5321971, content=<a href='/topic/show?id=6a57e33772b' target=_blank style='color:#2F92EE;'>#研究发现#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73377, encryptionId=6a57e33772b, topicName=研究发现)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7e1736602208, createdName=hanhaisha2020, createdTime=Mon Apr 09 16:08:00 CST 2018, time=2018-04-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1763209, encodeId=c8601e63209c0, content=<a href='/topic/show?id=7a983485e5' target=_blank style='color:#2F92EE;'>#Birth#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3485, encryptionId=7a983485e5, topicName=Birth)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=fad337436280, createdName=ms9476844295372110, createdTime=Thu Jul 13 14:08:00 CST 2017, time=2017-07-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1362173, encodeId=872013621e390, content=<a href='/topic/show?id=9857e03444b' target=_blank style='color:#2F92EE;'>#畸形#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=70344, encryptionId=9857e03444b, topicName=畸形)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=ca20190, createdName=wushaoling, createdTime=Tue Jun 20 02:08:00 CST 2017, time=2017-06-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1461933, encodeId=ada01461933f4, content=<a href='/topic/show?id=10bf5438bc' target=_blank style='color:#2F92EE;'>#CTS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5438, encryptionId=10bf5438bc, topicName=CTS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=docwu2019, createdTime=Tue Jun 20 02:08:00 CST 2017, time=2017-06-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1604908, encodeId=7962160490882, content=<a href='/topic/show?id=84dd286962f' target=_blank style='color:#2F92EE;'>#先天畸形#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=28696, encryptionId=84dd286962f, topicName=先天畸形)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=6c5d19291935, createdName=12498484m52(暂无昵称), createdTime=Tue Jun 20 02:08:00 CST 2017, time=2017-06-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=212368, encodeId=8dd221236836, content=学习了,受益匪浅。, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/ajNVdqHZLLDicHg2ldsSNmib46PmdzpO7CQEmPjuULp1v45zPWwMYhrnXgvl3OtmUCZSQfgITWn96X9moL94nUGA/0, createdBy=28072041016, createdName=131****1460, createdTime=Sun Jun 18 16:05:04 CST 2017, time=2017-06-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=212292, encodeId=a1232122923b, content=很好,学习了分享了, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=387d1660055, createdName=dhzzm, createdTime=Sun Jun 18 12:09:45 CST 2017, time=2017-06-18, status=1, ipAttribution=)]
    2017-06-18 131****1460

    学习了,受益匪浅。

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=1753219, encodeId=2e2e1e5321971, content=<a href='/topic/show?id=6a57e33772b' target=_blank style='color:#2F92EE;'>#研究发现#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=73377, encryptionId=6a57e33772b, topicName=研究发现)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=7e1736602208, createdName=hanhaisha2020, createdTime=Mon Apr 09 16:08:00 CST 2018, time=2018-04-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1763209, encodeId=c8601e63209c0, content=<a href='/topic/show?id=7a983485e5' target=_blank style='color:#2F92EE;'>#Birth#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=25, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3485, encryptionId=7a983485e5, topicName=Birth)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=fad337436280, createdName=ms9476844295372110, createdTime=Thu Jul 13 14:08:00 CST 2017, time=2017-07-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1362173, encodeId=872013621e390, content=<a href='/topic/show?id=9857e03444b' target=_blank style='color:#2F92EE;'>#畸形#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=70344, encryptionId=9857e03444b, topicName=畸形)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=ca20190, createdName=wushaoling, createdTime=Tue Jun 20 02:08:00 CST 2017, time=2017-06-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1461933, encodeId=ada01461933f4, content=<a href='/topic/show?id=10bf5438bc' target=_blank style='color:#2F92EE;'>#CTS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5438, encryptionId=10bf5438bc, topicName=CTS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=docwu2019, createdTime=Tue Jun 20 02:08:00 CST 2017, time=2017-06-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1604908, encodeId=7962160490882, content=<a href='/topic/show?id=84dd286962f' target=_blank style='color:#2F92EE;'>#先天畸形#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=28696, encryptionId=84dd286962f, topicName=先天畸形)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=6c5d19291935, createdName=12498484m52(暂无昵称), createdTime=Tue Jun 20 02:08:00 CST 2017, time=2017-06-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=212368, encodeId=8dd221236836, content=学习了,受益匪浅。, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/ajNVdqHZLLDicHg2ldsSNmib46PmdzpO7CQEmPjuULp1v45zPWwMYhrnXgvl3OtmUCZSQfgITWn96X9moL94nUGA/0, createdBy=28072041016, createdName=131****1460, createdTime=Sun Jun 18 16:05:04 CST 2017, time=2017-06-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=212292, encodeId=a1232122923b, content=很好,学习了分享了, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=387d1660055, createdName=dhzzm, createdTime=Sun Jun 18 12:09:45 CST 2017, time=2017-06-18, status=1, ipAttribution=)]
    2017-06-18 dhzzm

    很好,学习了分享了

    0