Diabetes:运动改善血糖又添新证据

2017-12-27 佚名 “细胞”微信号

肌肉发生胰岛素抵抗是2型糖尿病的典型特征之一,并且在糖尿病发生之前很长时间内就已经存在。普遍认为体育活动能够改善对血糖的控制,但是其中的隐藏机制还没有得到完全了解。体育锻炼的过程中会伴随着肌肉氧气水平下降,进而导致转录因子HIF-1a得到诱导表达。HIF-1a是许多基因表达所需要的一个关键转录因子,因此可能在骨骼肌功能和代谢中发挥重要作用。

肌肉发生胰岛素抵抗是2型糖尿病的典型特征之一,并且在糖尿病发生之前很长时间内就已经存在。普遍认为体育活动能够改善对血糖的控制,但是其中的隐藏机制还没有得到完全了解。体育锻炼的过程中会伴随着肌肉氧气水平下降,进而导致转录因子HIF-1a得到诱导表达。HIF-1a是许多基因表达所需要的一个关键转录因子,因此可能在骨骼肌功能和代谢中发挥重要作用。

最近来自德国的科学家Jürgen Eckel带领研究团队通过研究发现HIF-1a对骨骼肌的葡萄糖代谢和胰岛素作用发挥有重要作用。相关研究结果发表在国际学术期刊Diabetes上。

他们通过全基因组基因表达分析发现RAB20和TXNIP是骨骼肌中受运动/HIF-1a调控表达的两个新基因。RAB20的缺失会损伤胰岛素刺激的葡萄糖摄取,这种情况在人和小鼠的骨骼肌中都会出现,进一步的研究表明RAB20缺失以后会阻断葡萄糖转运蛋白GLUT4向细胞表面的转定位,导致骨骼肌细胞对葡萄糖的摄取受到损伤。除此之外,TXNIP是一个已知能够对胰岛素作用产生负调控的调控因子,而运动/HIF-1a能够下调TXNIP的表达解除其对胰岛素作用的抑制。

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  1. [GetPortalCommentsPageByObjectIdResponse(id=899492, encodeId=169289949240, content=<a href='/topic/show?id=133c1e9790f' target=_blank style='color:#2F92EE;'>#TXNIP#</a>能成为<a href='/topic/show?id=babc9413eb6' target=_blank style='color:#2F92EE;'>#运动#</a>降低<a href='/topic/show?id=4f77e665253' target=_blank style='color:#2F92EE;'>#糖尿病#</a>的主要因素。这个机制也正好能解释,运动/HIF-1a能够下调TXNIP的表达解除其对胰岛素作用的抑制, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17979, encryptionId=133c1e9790f, topicName=TXNIP), TopicDto(id=94137, encryptionId=babc9413eb6, topicName=运动), TopicDto(id=76652, encryptionId=4f77e665253, topicName=糖尿病)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220519/c2ab253484ee4527a2d4e9589a4821ac/45de9bf494a54becb2ea4369c9d11e85.jpg, createdBy=7a3710, createdName=lovetcm, createdTime=Mon Nov 16 08:57:54 CST 2020, time=2020-11-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1638285, encodeId=a38816382851c, content=<a href='/topic/show?id=afda591646' target=_blank style='color:#2F92EE;'>#DIA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5916, encryptionId=afda591646, topicName=DIA)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=987022654425, createdName=ms9608593228839890, createdTime=Tue Jun 19 05:46:00 CST 2018, time=2018-06-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1760420, encodeId=474b1e604203e, content=<a href='/topic/show?id=9bea33520d' target=_blank style='color:#2F92EE;'>#BET#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3352, encryptionId=9bea33520d, topicName=BET)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=9a1a37427546, createdName=ms5439512287675881, createdTime=Wed Jan 10 03:46:00 CST 2018, time=2018-01-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1901910, encodeId=d424190191071, content=<a href='/topic/show?id=c097591ed5' target=_blank style='color:#2F92EE;'>#Diabetes#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5917, encryptionId=c097591ed5, topicName=Diabetes)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0045169, createdName=木头人513, createdTime=Sun Mar 11 10:46:00 CST 2018, time=2018-03-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=272992, encodeId=06bd2e2992f3, content=henhao, beContent=null, objectType=article, channel=null, level=null, likeNumber=105, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mStl88fu4NcXNhUvfhzd2VdicMnaLeK2Im5gKx4Ucxd8Bwu6S7RG0uILBFQx5HTW2bU4VricDYlQqN20ibASSMYAeGrZrrTpy2Q/0, createdBy=7dcf1938111, createdName=1e0e5a1fm42(暂无匿称), createdTime=Wed Dec 27 18:43:14 CST 2017, time=2017-12-27, status=1, ipAttribution=)]
    2020-11-16 lovetcm

    #TXNIP#能成为#运动#降低#糖尿病#的主要因素。这个机制也正好能解释,运动/HIF-1a能够下调TXNIP的表达解除其对胰岛素作用的抑制

    0

  2. [GetPortalCommentsPageByObjectIdResponse(id=899492, encodeId=169289949240, content=<a href='/topic/show?id=133c1e9790f' target=_blank style='color:#2F92EE;'>#TXNIP#</a>能成为<a href='/topic/show?id=babc9413eb6' target=_blank style='color:#2F92EE;'>#运动#</a>降低<a href='/topic/show?id=4f77e665253' target=_blank style='color:#2F92EE;'>#糖尿病#</a>的主要因素。这个机制也正好能解释,运动/HIF-1a能够下调TXNIP的表达解除其对胰岛素作用的抑制, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17979, encryptionId=133c1e9790f, topicName=TXNIP), TopicDto(id=94137, encryptionId=babc9413eb6, topicName=运动), TopicDto(id=76652, encryptionId=4f77e665253, topicName=糖尿病)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220519/c2ab253484ee4527a2d4e9589a4821ac/45de9bf494a54becb2ea4369c9d11e85.jpg, createdBy=7a3710, createdName=lovetcm, createdTime=Mon Nov 16 08:57:54 CST 2020, time=2020-11-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1638285, encodeId=a38816382851c, content=<a href='/topic/show?id=afda591646' target=_blank style='color:#2F92EE;'>#DIA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5916, encryptionId=afda591646, topicName=DIA)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=987022654425, createdName=ms9608593228839890, createdTime=Tue Jun 19 05:46:00 CST 2018, time=2018-06-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1760420, encodeId=474b1e604203e, content=<a href='/topic/show?id=9bea33520d' target=_blank style='color:#2F92EE;'>#BET#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3352, encryptionId=9bea33520d, topicName=BET)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=9a1a37427546, createdName=ms5439512287675881, createdTime=Wed Jan 10 03:46:00 CST 2018, time=2018-01-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1901910, encodeId=d424190191071, content=<a href='/topic/show?id=c097591ed5' target=_blank style='color:#2F92EE;'>#Diabetes#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5917, encryptionId=c097591ed5, topicName=Diabetes)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0045169, createdName=木头人513, createdTime=Sun Mar 11 10:46:00 CST 2018, time=2018-03-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=272992, encodeId=06bd2e2992f3, content=henhao, beContent=null, objectType=article, channel=null, level=null, likeNumber=105, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mStl88fu4NcXNhUvfhzd2VdicMnaLeK2Im5gKx4Ucxd8Bwu6S7RG0uILBFQx5HTW2bU4VricDYlQqN20ibASSMYAeGrZrrTpy2Q/0, createdBy=7dcf1938111, createdName=1e0e5a1fm42(暂无匿称), createdTime=Wed Dec 27 18:43:14 CST 2017, time=2017-12-27, status=1, ipAttribution=)]
  3. [GetPortalCommentsPageByObjectIdResponse(id=899492, encodeId=169289949240, content=<a href='/topic/show?id=133c1e9790f' target=_blank style='color:#2F92EE;'>#TXNIP#</a>能成为<a href='/topic/show?id=babc9413eb6' target=_blank style='color:#2F92EE;'>#运动#</a>降低<a href='/topic/show?id=4f77e665253' target=_blank style='color:#2F92EE;'>#糖尿病#</a>的主要因素。这个机制也正好能解释,运动/HIF-1a能够下调TXNIP的表达解除其对胰岛素作用的抑制, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17979, encryptionId=133c1e9790f, topicName=TXNIP), TopicDto(id=94137, encryptionId=babc9413eb6, topicName=运动), TopicDto(id=76652, encryptionId=4f77e665253, topicName=糖尿病)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220519/c2ab253484ee4527a2d4e9589a4821ac/45de9bf494a54becb2ea4369c9d11e85.jpg, createdBy=7a3710, createdName=lovetcm, createdTime=Mon Nov 16 08:57:54 CST 2020, time=2020-11-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1638285, encodeId=a38816382851c, content=<a href='/topic/show?id=afda591646' target=_blank style='color:#2F92EE;'>#DIA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5916, encryptionId=afda591646, topicName=DIA)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=987022654425, createdName=ms9608593228839890, createdTime=Tue Jun 19 05:46:00 CST 2018, time=2018-06-19, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1760420, encodeId=474b1e604203e, content=<a href='/topic/show?id=9bea33520d' target=_blank style='color:#2F92EE;'>#BET#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=61, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=3352, encryptionId=9bea33520d, topicName=BET)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=9a1a37427546, createdName=ms5439512287675881, createdTime=Wed Jan 10 03:46:00 CST 2018, time=2018-01-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1901910, encodeId=d424190191071, content=<a href='/topic/show?id=c097591ed5' target=_blank style='color:#2F92EE;'>#Diabetes#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5917, encryptionId=c097591ed5, topicName=Diabetes)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0045169, createdName=木头人513, createdTime=Sun Mar 11 10:46:00 CST 2018, time=2018-03-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=272992, encodeId=06bd2e2992f3, content=henhao, beContent=null, objectType=article, channel=null, level=null, likeNumber=105, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mStl88fu4NcXNhUvfhzd2VdicMnaLeK2Im5gKx4Ucxd8Bwu6S7RG0uILBFQx5HTW2bU4VricDYlQqN20ibASSMYAeGrZrrTpy2Q/0, createdBy=7dcf1938111, createdName=1e0e5a1fm42(暂无匿称), createdTime=Wed Dec 27 18:43:14 CST 2017, time=2017-12-27, status=1, ipAttribution=)]
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    2017-12-27 1e0e5a1fm42(暂无匿称)

    henhao

    0

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J Diabetes:警惕!糖皮质激素显著增加2型糖尿病患者的致命并发症

在一项新的研究中,研究人员表示,服用短期口服糖皮质激素的成人2型糖尿病患者发生不良事件的风险增加。

2017 KDA立场声明:胰高血糖素样肽-1受体激动剂治疗2型糖尿病

2017年12月,韩国糖尿病协会(KDA)发布了胰高血糖素样肽-1受体激动剂治疗2型糖尿病的立场声明。在2017年KDA药物治疗糖果尿病的立场声明中,胰高血糖素样肽-1受体激动剂(GLP-1RAs)建议单药应用或者与其他口服降糖药或基础胰岛素联合应用。本文主要针对GLP-1RAs的应用提供建议。

2017 SIGN国家临床威廉亚洲博彩公司 :2型糖尿病患者血糖控制的药物管理(154)

2017年11月,苏格兰校际威廉亚洲博彩公司 网络(SIGN)公布了2型糖尿病患者血糖控制的药物管理的第154号威廉亚洲博彩公司 文件。该威廉亚洲博彩公司 提供了循证建议和最佳实践指导,内容涉及:优化血糖控释策略从而预防2型糖尿病微血管和大血管并发症,更新了一线,二线以及三线降糖药物的应用指导。

JCEM:2型糖尿病早期心跳张力及压力反射敏感性与肝脂肪含量增加有何关系?

众所周知通过心率变异性(HRV)降低而诊断的心血管自主神经病变(CAN)是普遍存在的,在糖尿病和慢性肝病患者中死亡率增加。为了确定较低的HRV与最近糖尿病人肝脂肪含量增加是否有关,Dan Ziegler等人进行了一项横断面的研究,并把结果发表在近日的JCEM杂志上。

JCEM:中国人群中血脂与2型糖尿病的风险及流行有何关联?

Yonghai Lu等人之前通过一个不相关分析报道了在中国人群中溶血磷脂酰肌醇(LPI)(16:1)和2型糖尿病风险之间的关系。而近日其在JCEM上发表的文章则是旨在明确LPIs及其相关代谢产物,比如非酯化脂肪酸(NEFAs)和酰基肉碱,与2型糖尿病发病率和患病率之间所有的关联。