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Am J Clin Nutr:铜和锌对缺血性心脏病和心肌梗死有何影响?

2018-09-14 吴星 环球医学

2018年8月,美国和中国学者在《Am J Clin Nutr》发表一项孟德尔随机研究,考察了铜和锌对缺血性心脏病(IHD)和心肌梗死的影响。

2018年8月,美国和中国学者在《Am J Clin Nutr》发表一项孟德尔随机研究,考察了铜和锌对缺血性心脏病(IHD)和心肌梗死的影响。

背景:尽管在预防和控制IHD上取得了巨大进步,但IHD仍然是全球发病和死亡的主要原因。饮食在IHD中起到关键作用,但是关于IHD中饮食因素的作用的综合性描述至今还未完全完成。

目的:本研究旨在检验长期假设——对IHD铜具有保护作用,锌具有有害作用。

设计:研究者使用了具有遗传工具(孟德尔随机)的分离样本工具变量分析。研究者从全基因组关联研究中获取了单核苷酸多态性(SNPs),与红细胞铜和锌密切(P值<5×10-8)且独立相关。研究者将这些铜和锌的遗传预测因素应用于最大、最广泛的基因型IHD病例(n≤76014)-对照(n≤264785)研究,并主要基于CARDIoGRAMplusC4D 1000 Genomes和UK Biobank SOFT CAD,从而获得铜和锌对IHD影响的SNP特异性Wald评估值,同时通过使用逆方差加权进行组合。敏感性分析使用了MR-Egger方法,二次分析在P值<5×10-6时考虑了与红细胞铜和锌独立相关的SNPs因素。

结果:遗传工具分析表明铜与IHD负相关(OR:0.94;95% CI:0.90,0.98)。遗传工具分析表示锌与IHD正相关(OR:1.06;95% CI:1.02,1.11)。通过MR-Egger的敏感性分析未发现未知的多效性;弱相关的SNPs给出了与铜类似的结果。

结论:遗传工具析验证了长期的假设,进一步研究对IHD的影响,尤其是铜,可能发现降低死亡率和发病率主要原因的办法。

原始出处:

Kodali HP, Pavilonis BT, Schooling CM. Effects of copper and zinc on ischemic heart disease and myocardial infarction: a Mendelian randomization study. Am J Clin Nutr. 2018 Aug 1;108(2):237-242. doi: 10.1093/ajcn/nqy129.

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1893096, encodeId=bd9d189309679, content=<a href='/topic/show?id=c738e93521f' target=_blank style='color:#2F92EE;'>#缺血性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=79352, encryptionId=c738e93521f, topicName=缺血性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=66ec123, createdName=guihongzh, createdTime=Sun Jun 02 17:25:00 CST 2019, time=2019-06-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=345886, encodeId=157334588680, content=学习了,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220115/46bcf39c32de4aa6b45c5f9d66c8ee77/6cb4a20c55bb4b7691122f47747bfca2.jpg, createdBy=9dad1662329, createdName=1ddf0692m34(暂无匿称), createdTime=Thu Sep 20 22:11:50 CST 2018, time=2018-09-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=345471, encodeId=b5583454e159, content=铜的作用,但是铜过量?, beContent=null, objectType=article, channel=null, level=null, likeNumber=125, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160718/IMG578C993D395567540.jpg, createdBy=59b81918946, createdName=flysky120, createdTime=Tue Sep 18 09:10:18 CST 2018, time=2018-09-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1318367, encodeId=258e131836e15, content=<a href='/topic/show?id=7b80e9367d2' target=_blank style='color:#2F92EE;'>#缺血性心脏病#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=81, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=79367, encryptionId=7b80e9367d2, topicName=缺血性心脏病)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3fce464, createdName=ylz8403, createdTime=Sun Sep 16 09:25:00 CST 2018, time=2018-09-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=345016, encodeId=6f7f34501659, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=116, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=82311653708, createdName=医者仁心5538, createdTime=Fri Sep 14 22:32:41 CST 2018, time=2018-09-14, status=1, ipAttribution=)]
    2018-09-20 1ddf0692m34(暂无匿称)

    学习了,谢谢分享

    0

  3. [GetPortalCommentsPageByObjectIdResponse(id=1893096, encodeId=bd9d189309679, content=<a href='/topic/show?id=c738e93521f' target=_blank style='color:#2F92EE;'>#缺血性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=79352, encryptionId=c738e93521f, topicName=缺血性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=66ec123, createdName=guihongzh, createdTime=Sun Jun 02 17:25:00 CST 2019, time=2019-06-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=345886, encodeId=157334588680, content=学习了,谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220115/46bcf39c32de4aa6b45c5f9d66c8ee77/6cb4a20c55bb4b7691122f47747bfca2.jpg, createdBy=9dad1662329, createdName=1ddf0692m34(暂无匿称), createdTime=Thu Sep 20 22:11:50 CST 2018, time=2018-09-20, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=345471, encodeId=b5583454e159, content=铜的作用,但是铜过量?, beContent=null, objectType=article, channel=null, level=null, likeNumber=125, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160718/IMG578C993D395567540.jpg, createdBy=59b81918946, createdName=flysky120, createdTime=Tue Sep 18 09:10:18 CST 2018, time=2018-09-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1318367, encodeId=258e131836e15, content=<a href='/topic/show?id=7b80e9367d2' target=_blank style='color:#2F92EE;'>#缺血性心脏病#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=81, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=79367, encryptionId=7b80e9367d2, topicName=缺血性心脏病)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3fce464, createdName=ylz8403, createdTime=Sun Sep 16 09:25:00 CST 2018, time=2018-09-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=345016, encodeId=6f7f34501659, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=116, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=82311653708, createdName=医者仁心5538, createdTime=Fri Sep 14 22:32:41 CST 2018, time=2018-09-14, status=1, ipAttribution=)]
    2018-09-18 flysky120

    铜的作用,但是铜过量?

    0

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    2018-09-14 医者仁心5538

    学习了

    0

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