Redox Biol:尹慧勇研究组发现脂质过氧化是冠心病的重要特征

2017-04-28 佚名 上海生命科学研究院

近日,国际学术期刊《氧化还原生物学》(Redox Biology)在线发表了中国科学院上海生命科学研究院(人口健康领域)尹慧勇研究组的最新研究成果Comprehensive Metabolomics Identified Lipid Peroxidation as A Prominent Feature inHuman Plasma of Patients with Coronary Heart

近日,国际学术期刊《氧化还原生物学》(Redox Biology)在线发表了中国科学院上海生命科学研究院(人口健康领域)尹慧勇研究组的最新研究成果Comprehensive Metabolomics Identified Lipid Peroxidation as A Prominent Feature inHuman Plasma of Patients with Coronary Heart Diseases。该研究利用代谢组学和脂质组学的方法系统分析了不同阶段冠心病病人血浆中的代谢组和脂质组变化,揭示了氧化应激和脂质过氧化是冠心病的主要特征,并且发现脂质过氧化代谢产物具有区分冠心病不同阶段的潜力,该研究为将来大样本验证奠定了基础。

冠心病是目前全球发病率和死亡率最高的疾病之一,动脉粥样硬化是其发病和死亡的主要病因,但其潜在的生物学机制以及预测和诊断的生物标志物还有待进一步研究。近年来代谢组学、脂质组学广泛应用于生物医学领域,对发现潜在的生物标志物以及疾病的预测、诊断和治疗具有重要的临床意义。

博士研究生陆剑虹等在研究员尹慧勇的指导下,利用非靶标的代谢组学技术分析正常对照(Healthy controls, HC),稳定心绞痛(Stable angina, SA)和心梗(Myocardial infraction, MI)病人血浆的代谢谱,结果表明冠心病不同阶段具有特异性改变的代谢谱;发现了18、37和36个差异代谢物可以分别区分HC和SA、SA和MI以及HC和MI。代谢通路分析显示甘油磷脂(Glycerophospholipid, GLP)代谢在三组中变化最明显,基于此课题组利用靶向脂质组学分析GLP的代谢物主要包括脂质过氧化产物和下游多不饱和脂肪酸的氧化产物。研究结果显示与HC和SA相比,脂质过氧化产物包括氧化的磷脂和其水解产物主要是异前列腺素等显着地在MI病人中升高,提示脂质过氧化代谢物可能是区分MI和SA或者HC的潜在生物标志物。

该研究工作与北大医学院教授郑乐民研究组合作完成,并得到了首都医科大学天坛医院、中科院生物与化学交叉研究中心研究员朱正江研究组的大力支持,项目受到了国家自然基金、中科院和科技部等项目经费的支持。

原始出处:

Jianhong Lu, Buxing Chen, Tingting Chen, et al.Comprehensive Metabolomics Identified Lipid Peroxidation as A Prominent Feature inHuman Plasma of Patients with Coronary Heart Diseases.Redox Biology Available online 26 April 2017

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    2018-01-13 sunylz
  3. [GetPortalCommentsPageByObjectIdResponse(id=1767113, encodeId=cbc61e671133e, content=<a href='/topic/show?id=64f5343e2f' target=_blank style='color:#2F92EE;'>#Biol#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3437, encryptionId=64f5343e2f, topicName=Biol)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=446937890434, createdName=12498ebem31暂无昵称, createdTime=Mon Jul 10 22:39:00 CST 2017, time=2017-07-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1917468, encodeId=c2d0191e46854, content=<a href='/topic/show?id=4f26341994' target=_blank style='color:#2F92EE;'>#Bio#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3419, encryptionId=4f26341994, topicName=Bio)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=12de429, createdName=sunylz, createdTime=Sat Jan 13 20:39:00 CST 2018, time=2018-01-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=191601, encodeId=84ec19160182, content=非常好的文章,学习了,很受益, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/NUyjXTCJjo7LIiaRZTzJ3SEfiauCzTMPW7YvPPYLNJBXG9oh6Al1icq2VQQkIHWxqXehcicTS62YKJVBhxeth3wggw/0, createdBy=7ce01621306, createdName=天涯183, createdTime=Sat Apr 29 00:03:50 CST 2017, time=2017-04-29, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=191563, encodeId=27881915638e, content=学习一下谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=57, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzaiabIFicf63hKvVMjL6aJlx4yX4UcXmzX9DyibCRcicq0QtCRWMaQKh8MYjE1D3EKUBopgiaGWYuqbeR/0, createdBy=0c2b1999806, createdName=三生有幸9135, createdTime=Fri Apr 28 20:59:13 CST 2017, time=2017-04-28, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=191562, encodeId=79b419156238, content=学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=62, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmhead/Q3auHgzwzM6P57Bs8gOPaY1cQP9lIia0lmZOEXraGaoicqNToIslXDKw/0, createdBy=7a041951742, createdName=衣带渐宽, createdTime=Fri Apr 28 20:51:33 CST 2017, time=2017-04-28, status=1, ipAttribution=)]
    2017-04-29 天涯183

    非常好的文章,学习了,很受益

    0

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    2017-04-28 三生有幸9135

    学习一下谢谢分享

    0

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    2017-04-28 衣带渐宽

    学习

    0

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一直以来,慢性完全性闭塞(CTO)病变都是心脏介入医生面临的一大难题和挑战。不过办法总比困难多,一种名为“准分子激光冠状动脉成形术(ELCA)”的技术逐渐展露头角。阜外医院冠心病诊治中心从2015年就开始应用这一技术来处理CTO等冠脉复杂病变,目前看来,应用ELCA联合药物洗脱支架治疗CTO安全有效。在该中心2015-11至2016-11期间,已有3例患者接受了ELCA治疗。其中1例为39岁男性患

BMJ:饱和脂肪引发冠心病有所偏颇,健康饮食、运动、减压一个不能少

传统观念认为,红肉类中的饱和脂肪会提高心血管疾病的风险,是不健康的饮食。从上世纪50年代开始,饱和脂肪会增加心脏病发病风险逐渐成了“共识”。