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Am J Clin Nutr:环境和遗传因素对BMI变化的影响(CODATwins)

2016-07-24 Mechront 译 MedSci原创

背景:众所周知,无论是遗传还是环境因素均会影响个体的BMI;但是这两个因素在儿童期和青春期对BMI的影响是一样的吗?目的:研究者分析了从婴儿期到成年早期,遗传和环境因素对BMI的影响,以及不同性别和地理区域间影响的差异;根据致胖环境,不同地理区域分为高(北美和澳大利亚)、中(欧洲)、低水平(东亚)。方法:研究纳入了来自45个队列的87782对双胞胎从0.5到19.5岁的数据,基于383092个BM

背景:众所周知,无论是遗传还是环境因素均会影响个体的BMI;但是这两个因素在儿童期和青春期对BMI的影响是一样的吗?

目的:研究者分析了从婴儿期到成年早期,遗传和环境因素对BMI的影响,以及不同性别和地理区域间影响的差异;根据致胖环境,不同地理区域分为高(北美和澳大利亚)、中(欧洲)、低水平(东亚)。

方法:研究纳入了来自45个队列的87782对双胞胎从0.5到19.5岁的数据,基于383092个BMI值进行分析,通过遗传结构方程模型将BMI的变化分解为遗传和环境成分。

结果:从5岁开始BMI方差随着年龄的增加而增加,平均BMI也增加。4岁时遗传因素对BMI变化的影响最小(男性:a2 = 0.42;女性:a2 = 0.41);在19岁时,无论男女,遗传因素对BMI变化的影响增加到0.75。在15岁时没有观察到共享环境对双胞胎BMI变化的影响。婴儿期就能看到遗传因素的性别特异性,到13岁或以后,这种影响更加突出。在北美和澳大利亚,BMI变化最大,东亚变化最小;但是遗传变异对总变化的影响比例不存在地区差异。

结论:同对双胞胎共享的环境因素在儿童期影响BMI,但很少有证据表明青春期后期仍会存在影响。我们的研究结果表明,遗传因素在不同种族、不同致胖环境中对青少年BMI的变化起主要作用。

原始出处:

Silventoinen K, Jelenkovic A, et al.Genetic and environmental effects on body mass index from infancy to the onset of adulthood: an individual-based pooled analysis of 45 twin cohorts participating in the COllaborative project of Development of Anthropometrical measures in Twins (CODATwins) study.Am J Clin Nutr. 2016 Jul 13. pii: ajcn130252. [Epub ahead of print]

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1780400, encodeId=ba5e1e804001c, content=<a href='/topic/show?id=8c503564af' target=_blank style='color:#2F92EE;'>#BMI变化#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3564, encryptionId=8c503564af, topicName=BMI变化)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/JicbM9ddhTaNkKdhKQ8adCYWzVJQKZXsqSTg3ia12tmdibiaoTZTEjBqfVvmfODz1KpD73pKy4h1W0fAXj62kxGbQA/132, createdBy=d2132500095, createdName=ms5768352621950538, createdTime=Sat Sep 03 06:09:00 CST 2016, time=2016-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=131784, encodeId=6781131e84a3, content=文章很好,非常有益, beContent=null, objectType=article, channel=null, level=null, likeNumber=81, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzdAIB7UwTkHt6fQkBP8ictliaXtc5gCUmYdAW1sAETC2nhO3q6YjRHkUibyOCtP8ibmXNObTyd63A076/0, createdBy=d4111948983, createdName=1e10c84am36(暂无匿称), createdTime=Tue Sep 20 22:35:00 CST 2016, time=2016-09-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=125604, encodeId=1c70125604ae, content=环境对机体的影响相当大, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160907/IMG57D00CF1965701770.jpg, createdBy=565c1948251, createdName=舒心和人, createdTime=Tue Sep 13 18:24:00 CST 2016, time=2016-09-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=117017, encodeId=98d711e017a8, content=赞一个。深入学习。, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7s7ZCKOmmbBTD6nE7gcd5OZpvyGEzkxBP3S275k5ZJVrsPkotZhBglRHM9rKvcj1OgkssqhcnoPw8zIaMZTF8c/0, createdBy=4c441942088, createdName=ylzr123, createdTime=Fri Sep 09 22:10:00 CST 2016, time=2016-09-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=98617, encodeId=74809861e5b, content=好好学习一下, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=45101626056, createdName=忠诚向上, createdTime=Sun Aug 14 18:06:00 CST 2016, time=2016-08-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1446336, encodeId=9ece1446336f4, content=<a href='/topic/show?id=fa34950e8ce' target=_blank style='color:#2F92EE;'>#遗传因素#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=87, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=95078, encryptionId=fa34950e8ce, topicName=遗传因素)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTJO58hUEwHTSriboUiaJJVJAFUh2Q9zFwDhIEx3o4vPWboomNEm7aRGHPjKslbcgez2BD57yUYH1FbQ/132, createdBy=16985204412, createdName=wjcjjian, createdTime=Tue Jul 26 11:09:00 CST 2016, time=2016-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=94531, encodeId=50ee9453180, content=了解一下!, beContent=null, objectType=article, channel=null, level=null, likeNumber=92, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=93f31631454, createdName=1dd8c52fm63(暂无匿称), createdTime=Sun Jul 24 20:35:00 CST 2016, time=2016-07-24, status=1, ipAttribution=)]
    2016-09-20 1e10c84am36(暂无匿称)

    文章很好,非常有益

    0

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    2016-09-13 舒心和人

    环境对机体的影响相当大

    0

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    2016-09-09 ylzr123

    赞一个。深入学习。

    0

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    2016-08-14 忠诚向上

    好好学习一下

    0

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  7. [GetPortalCommentsPageByObjectIdResponse(id=1780400, encodeId=ba5e1e804001c, content=<a href='/topic/show?id=8c503564af' target=_blank style='color:#2F92EE;'>#BMI变化#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=63, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3564, encryptionId=8c503564af, topicName=BMI变化)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/JicbM9ddhTaNkKdhKQ8adCYWzVJQKZXsqSTg3ia12tmdibiaoTZTEjBqfVvmfODz1KpD73pKy4h1W0fAXj62kxGbQA/132, createdBy=d2132500095, createdName=ms5768352621950538, createdTime=Sat Sep 03 06:09:00 CST 2016, time=2016-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=131784, encodeId=6781131e84a3, content=文章很好,非常有益, beContent=null, objectType=article, channel=null, level=null, likeNumber=81, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzdAIB7UwTkHt6fQkBP8ictliaXtc5gCUmYdAW1sAETC2nhO3q6YjRHkUibyOCtP8ibmXNObTyd63A076/0, createdBy=d4111948983, createdName=1e10c84am36(暂无匿称), createdTime=Tue Sep 20 22:35:00 CST 2016, time=2016-09-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=125604, encodeId=1c70125604ae, content=环境对机体的影响相当大, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160907/IMG57D00CF1965701770.jpg, createdBy=565c1948251, createdName=舒心和人, createdTime=Tue Sep 13 18:24:00 CST 2016, time=2016-09-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=117017, encodeId=98d711e017a8, content=赞一个。深入学习。, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7s7ZCKOmmbBTD6nE7gcd5OZpvyGEzkxBP3S275k5ZJVrsPkotZhBglRHM9rKvcj1OgkssqhcnoPw8zIaMZTF8c/0, createdBy=4c441942088, createdName=ylzr123, createdTime=Fri Sep 09 22:10:00 CST 2016, time=2016-09-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=98617, encodeId=74809861e5b, content=好好学习一下, beContent=null, objectType=article, channel=null, level=null, likeNumber=75, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=45101626056, createdName=忠诚向上, createdTime=Sun Aug 14 18:06:00 CST 2016, time=2016-08-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1446336, encodeId=9ece1446336f4, content=<a href='/topic/show?id=fa34950e8ce' target=_blank style='color:#2F92EE;'>#遗传因素#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=87, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=95078, encryptionId=fa34950e8ce, topicName=遗传因素)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTJO58hUEwHTSriboUiaJJVJAFUh2Q9zFwDhIEx3o4vPWboomNEm7aRGHPjKslbcgez2BD57yUYH1FbQ/132, createdBy=16985204412, createdName=wjcjjian, createdTime=Tue Jul 26 11:09:00 CST 2016, time=2016-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=94531, encodeId=50ee9453180, content=了解一下!, beContent=null, objectType=article, channel=null, level=null, likeNumber=92, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=93f31631454, createdName=1dd8c52fm63(暂无匿称), createdTime=Sun Jul 24 20:35:00 CST 2016, time=2016-07-24, status=1, ipAttribution=)]
    2016-07-24 1dd8c52fm63(暂无匿称)

    了解一下!

    0

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