李白贪酒 后代成“低能儿”?

2016-09-24 崔向荣 医师报

诗仙李白在文学史上的成就和地位首屈一指,自不待言,但他对酒的贪杯却给后人留下了不少遐想。有人揣测,李白一生贪杯纵酒,累及子孙,使他们都成了痴呆低能者,儿女们没有一个留下一诗一文。中国古代有“酒后不入室”之说。在西方有“星期天婴儿”的说法,是指那些在周末受孕而生的孩子,这些孩子智力不佳、身体孱弱,其原因是时逢假日,夫妇举杯痛饮,酒后受孕,贻害骨肉。那么,过度饮酒,究竟对下一代有何影响呢?胎儿酒精综合

诗仙李白在文学史上的成就和地位首屈一指,自不待言,但他对酒的贪杯却给后人留下了不少遐想。有人揣测,李白一生贪杯纵酒,累及子孙,使他们都成了痴呆低能者,儿女们没有一个留下一诗一文。

中国古代有“酒后不入室”之说。在西方有“星期天婴儿”的说法,是指那些在周末受孕而生的孩子,这些孩子智力不佳、身体孱弱,其原因是时逢假日,夫妇举杯痛饮,酒后受孕,贻害骨肉。

那么,过度饮酒,究竟对下一代有何影响呢?

胎儿酒精综合征(ASD)便是因父亲或母亲孕期饮酒过量导致的胎儿发育异常现象。该病患者常常出现面部畸形、脑发育异常以及身体发育迟缓等一系列症状。

酒精伤后的机制是,当酒精(乙醇)进入人体后,90%-95%的乙醇在肝脏代谢,饮酒量少时,乙醇会被机体转化为乙酸,当过量饮酒时,乙醇就会走偏道儿,最后转化为乙醛。不管怎样,只要喝酒的人遗传上比较强大,“盛产”两种宝物——“乙醇脱氢酶”和“乙醛脱氢酶”,乙酸和乙醛最终都会变成二氧化碳和水,不会对身体造成损害。

可惜的是,很多人都缺乏生产“宝物”乙醛脱氢酶的能力,使得在过度饮酒后,酒精及其代谢物在体内过多积累,给机体的正常运行带来严重影响。其中之一,便是“阻挠”正常的胚胎遗传学变化。

为了保证胎儿将来像父母,但又异于父母,胚胎植入子宫时就开始做准备,即:胚胎细胞的遗传物质DNA 要经历一番“打扮”,在保持“底色”不变——保留父母来源的DNA 序列的情况下,要对DNA 序列进行甲基化“打扮”。经历过“打扮”的DNA,将随着胚胎细胞的分裂,将“打扮”的样子传递下去,影响胎儿发育。

然而,机体内积累的乙醇和乙醛却可以导致打扮的“原材料”——甲基供体的缺失,且长期的酒精摄入使DNA 甲基化“打扮”能力改变。而“打扮”能力的缺失可使早期胚胎发育失去正常调控,严重可致死。

如今,虽无明确研究表明父母酗酒,后代会变成“呆瓜”。但是父母酗酒会对后代造成不良影响,却是显而易见的。

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    2016-09-25 1e129d80m61(暂无匿称)

    你们可知道表观遗传学?

    0

  2. [GetPortalCommentsPageByObjectIdResponse(id=135161, encodeId=254e13516168, content=你们可知道表观遗传学?, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=70b11957222, createdName=1e129d80m61(暂无匿称), createdTime=Sun Sep 25 20:47:00 CST 2016, time=2016-09-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=134756, encodeId=8eb0134e56d7, content=竟然有如此强大的作用,本以为只会改变当事人的身体健康!, beContent=null, objectType=article, channel=null, level=null, likeNumber=43, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib06iaV3D9Tg5K3j7ibEWPiarwpqibEYqqX9yVibV5uebib0O7hQSOPmqGrb5FfyDbLsLawnz7ShAb5ibtiayWgI5ClMTh5v/0, createdBy=a47c1614293, createdName=童小孩, createdTime=Sun Sep 25 07:58:00 CST 2016, time=2016-09-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=134720, encodeId=9f0c134e20df, content=谢谢学习了。, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2017/04/21/72142930668371951a41ef4ea4b233e6.jpg, createdBy=dcbc1715228, createdName=刘煜, createdTime=Sun Sep 25 07:20:00 CST 2016, time=2016-09-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=134572, encodeId=b8511345e2ad, content=继续关注, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=cb571956164, createdName=187清风, createdTime=Sat Sep 24 21:36:00 CST 2016, time=2016-09-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=134571, encodeId=dddc1345e1c0, content=胎儿酒精综合症, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=cb571956164, createdName=187清风, createdTime=Sat Sep 24 21:35:00 CST 2016, time=2016-09-24, status=1, ipAttribution=)]
    2016-09-25 童小孩

    竟然有如此强大的作用,本以为只会改变当事人的身体健康!

    0

  3. [GetPortalCommentsPageByObjectIdResponse(id=135161, encodeId=254e13516168, content=你们可知道表观遗传学?, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=70b11957222, createdName=1e129d80m61(暂无匿称), createdTime=Sun Sep 25 20:47:00 CST 2016, time=2016-09-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=134756, encodeId=8eb0134e56d7, content=竟然有如此强大的作用,本以为只会改变当事人的身体健康!, beContent=null, objectType=article, channel=null, level=null, likeNumber=43, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib06iaV3D9Tg5K3j7ibEWPiarwpqibEYqqX9yVibV5uebib0O7hQSOPmqGrb5FfyDbLsLawnz7ShAb5ibtiayWgI5ClMTh5v/0, createdBy=a47c1614293, createdName=童小孩, createdTime=Sun Sep 25 07:58:00 CST 2016, time=2016-09-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=134720, encodeId=9f0c134e20df, content=谢谢学习了。, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2017/04/21/72142930668371951a41ef4ea4b233e6.jpg, createdBy=dcbc1715228, createdName=刘煜, createdTime=Sun Sep 25 07:20:00 CST 2016, time=2016-09-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=134572, encodeId=b8511345e2ad, content=继续关注, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=cb571956164, createdName=187清风, createdTime=Sat Sep 24 21:36:00 CST 2016, time=2016-09-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=134571, encodeId=dddc1345e1c0, content=胎儿酒精综合症, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=cb571956164, createdName=187清风, createdTime=Sat Sep 24 21:35:00 CST 2016, time=2016-09-24, status=1, ipAttribution=)]
    2016-09-25 刘煜

    谢谢学习了。

    0

  4. [GetPortalCommentsPageByObjectIdResponse(id=135161, encodeId=254e13516168, content=你们可知道表观遗传学?, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=70b11957222, createdName=1e129d80m61(暂无匿称), createdTime=Sun Sep 25 20:47:00 CST 2016, time=2016-09-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=134756, encodeId=8eb0134e56d7, content=竟然有如此强大的作用,本以为只会改变当事人的身体健康!, beContent=null, objectType=article, channel=null, level=null, likeNumber=43, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib06iaV3D9Tg5K3j7ibEWPiarwpqibEYqqX9yVibV5uebib0O7hQSOPmqGrb5FfyDbLsLawnz7ShAb5ibtiayWgI5ClMTh5v/0, createdBy=a47c1614293, createdName=童小孩, createdTime=Sun Sep 25 07:58:00 CST 2016, time=2016-09-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=134720, encodeId=9f0c134e20df, content=谢谢学习了。, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2017/04/21/72142930668371951a41ef4ea4b233e6.jpg, createdBy=dcbc1715228, createdName=刘煜, createdTime=Sun Sep 25 07:20:00 CST 2016, time=2016-09-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=134572, encodeId=b8511345e2ad, content=继续关注, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=cb571956164, createdName=187清风, createdTime=Sat Sep 24 21:36:00 CST 2016, time=2016-09-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=134571, encodeId=dddc1345e1c0, content=胎儿酒精综合症, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=cb571956164, createdName=187清风, createdTime=Sat Sep 24 21:35:00 CST 2016, time=2016-09-24, status=1, ipAttribution=)]
    2016-09-24 187清风

    继续关注

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=135161, encodeId=254e13516168, content=你们可知道表观遗传学?, beContent=null, objectType=article, channel=null, level=null, likeNumber=54, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=70b11957222, createdName=1e129d80m61(暂无匿称), createdTime=Sun Sep 25 20:47:00 CST 2016, time=2016-09-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=134756, encodeId=8eb0134e56d7, content=竟然有如此强大的作用,本以为只会改变当事人的身体健康!, beContent=null, objectType=article, channel=null, level=null, likeNumber=43, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/oLAjfB7s1ib06iaV3D9Tg5K3j7ibEWPiarwpqibEYqqX9yVibV5uebib0O7hQSOPmqGrb5FfyDbLsLawnz7ShAb5ibtiayWgI5ClMTh5v/0, createdBy=a47c1614293, createdName=童小孩, createdTime=Sun Sep 25 07:58:00 CST 2016, time=2016-09-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=134720, encodeId=9f0c134e20df, content=谢谢学习了。, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cdnapi.center.medsci.cn/medsci/head/2017/04/21/72142930668371951a41ef4ea4b233e6.jpg, createdBy=dcbc1715228, createdName=刘煜, createdTime=Sun Sep 25 07:20:00 CST 2016, time=2016-09-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=134572, encodeId=b8511345e2ad, content=继续关注, beContent=null, objectType=article, channel=null, level=null, likeNumber=52, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=cb571956164, createdName=187清风, createdTime=Sat Sep 24 21:36:00 CST 2016, time=2016-09-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=134571, encodeId=dddc1345e1c0, content=胎儿酒精综合症, beContent=null, objectType=article, channel=null, level=null, likeNumber=45, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=cb571956164, createdName=187清风, createdTime=Sat Sep 24 21:35:00 CST 2016, time=2016-09-24, status=1, ipAttribution=)]
    2016-09-24 187清风

    胎儿酒精综合症

    0