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R-I型catestatin有望成为新型降压药

2012-11-16 高晓方译 医学论坛网

  美国学者的一项研究表明,一种新型心血管活性多肽R-I型catestatin有可能成为新型高血压治疗药物,并且有望以此方式合成诊断和治疗药物。论文于2012年11月5日在线发表于《高血压》(Hypertension)。   嗜铬粒蛋白A衍生多肽catestatin可作为内源性烟碱胆碱能拮抗剂抑制儿茶酚胺释放,从而在嗜铬粒蛋白靶向消融的情况下治疗高血压。此项研究合成了catestatin异构体,

  美国学者的一项研究表明,一种新型心血管活性多肽R-I型catestatin有可能成为新型高血压治疗药物,并且有望以此方式合成诊断和治疗药物。论文于2012年11月5日在线发表于《高血压》(Hypertension)。

  嗜铬粒蛋白A衍生多肽catestatin可作为内源性烟碱胆碱能拮抗剂抑制儿茶酚胺释放,从而在嗜铬粒蛋白靶向消融的情况下治疗高血压。此项研究合成了catestatin异构体,其中包括正常/野生型以及R-I型;后者同时存在偏光性(L→D氨基酸)和顺序(羧基→氨基)反转。

  结果显示,R-I肽可完全抵抗蛋白水解消化,效果增强,并且保存了针对烟碱胆碱能事件的特定作用,其中包括儿茶酚胺分泌、激动剂脱敏、分泌性蛋白转录和阳离子信号传导。结构性模型提示野生型和R-I型具有相似的侧链定向。在小鼠模型体内实验中R-I肽可降低血压并且效应延长。

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  2. [GetPortalCommentsPageByObjectIdResponse(id=2050326, encodeId=dc6320503268d, content=<a href='/topic/show?id=95f8e042dd' target=_blank style='color:#2F92EE;'>#EST#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=108, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=7042, encryptionId=95f8e042dd, topicName=EST)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e9a6357, createdName=xiangyuzhou971, createdTime=Sun Aug 25 03:07:00 CST 2013, time=2013-08-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1794306, encodeId=5fcd1e9430641, content=<a href='/topic/show?id=04b316e617e' target=_blank style='color:#2F92EE;'>#Stati#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16761, encryptionId=04b316e617e, topicName=Stati)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6c32257, createdName=DEXTER3139, createdTime=Thu Jan 03 19:07:00 CST 2013, time=2013-01-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1943379, encodeId=a98f19433e9e0, content=<a href='/topic/show?id=fa761e2916a' target=_blank style='color:#2F92EE;'>#Test#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17291, encryptionId=fa761e2916a, topicName=Test)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=aea0290, createdName=lqvr, createdTime=Tue Jul 16 23:07:00 CST 2013, time=2013-07-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2068894, encodeId=af70206889465, content=<a href='/topic/show?id=a56b16e6260' target=_blank style='color:#2F92EE;'>#Statin#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16762, encryptionId=a56b16e6260, topicName=Statin)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=568152, createdName=snowpeakxu, createdTime=Wed Oct 16 04:07:00 CST 2013, time=2013-10-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1291780, encodeId=447b1291e809f, content=<a href='/topic/show?id=9d32981418b' target=_blank style='color:#2F92EE;'>#降压#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98141, encryptionId=9d32981418b, topicName=降压)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8f14236, createdName=经常头晕, createdTime=Sun Nov 18 06:07:00 CST 2012, time=2012-11-18, status=1, ipAttribution=)]
    2013-01-03 DEXTER3139
  3. [GetPortalCommentsPageByObjectIdResponse(id=2050326, encodeId=dc6320503268d, content=<a href='/topic/show?id=95f8e042dd' target=_blank style='color:#2F92EE;'>#EST#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=108, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=7042, encryptionId=95f8e042dd, topicName=EST)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e9a6357, createdName=xiangyuzhou971, createdTime=Sun Aug 25 03:07:00 CST 2013, time=2013-08-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1794306, encodeId=5fcd1e9430641, content=<a href='/topic/show?id=04b316e617e' target=_blank style='color:#2F92EE;'>#Stati#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16761, encryptionId=04b316e617e, topicName=Stati)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6c32257, createdName=DEXTER3139, createdTime=Thu Jan 03 19:07:00 CST 2013, time=2013-01-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1943379, encodeId=a98f19433e9e0, content=<a href='/topic/show?id=fa761e2916a' target=_blank style='color:#2F92EE;'>#Test#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17291, encryptionId=fa761e2916a, topicName=Test)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=aea0290, createdName=lqvr, createdTime=Tue Jul 16 23:07:00 CST 2013, time=2013-07-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2068894, encodeId=af70206889465, content=<a href='/topic/show?id=a56b16e6260' target=_blank style='color:#2F92EE;'>#Statin#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16762, encryptionId=a56b16e6260, topicName=Statin)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=568152, createdName=snowpeakxu, createdTime=Wed Oct 16 04:07:00 CST 2013, time=2013-10-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1291780, encodeId=447b1291e809f, content=<a href='/topic/show?id=9d32981418b' target=_blank style='color:#2F92EE;'>#降压#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98141, encryptionId=9d32981418b, topicName=降压)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8f14236, createdName=经常头晕, createdTime=Sun Nov 18 06:07:00 CST 2012, time=2012-11-18, status=1, ipAttribution=)]
    2013-07-16 lqvr
  4. [GetPortalCommentsPageByObjectIdResponse(id=2050326, encodeId=dc6320503268d, content=<a href='/topic/show?id=95f8e042dd' target=_blank style='color:#2F92EE;'>#EST#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=108, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=7042, encryptionId=95f8e042dd, topicName=EST)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e9a6357, createdName=xiangyuzhou971, createdTime=Sun Aug 25 03:07:00 CST 2013, time=2013-08-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1794306, encodeId=5fcd1e9430641, content=<a href='/topic/show?id=04b316e617e' target=_blank style='color:#2F92EE;'>#Stati#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16761, encryptionId=04b316e617e, topicName=Stati)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6c32257, createdName=DEXTER3139, createdTime=Thu Jan 03 19:07:00 CST 2013, time=2013-01-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1943379, encodeId=a98f19433e9e0, content=<a href='/topic/show?id=fa761e2916a' target=_blank style='color:#2F92EE;'>#Test#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17291, encryptionId=fa761e2916a, topicName=Test)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=aea0290, createdName=lqvr, createdTime=Tue Jul 16 23:07:00 CST 2013, time=2013-07-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2068894, encodeId=af70206889465, content=<a href='/topic/show?id=a56b16e6260' target=_blank style='color:#2F92EE;'>#Statin#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16762, encryptionId=a56b16e6260, topicName=Statin)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=568152, createdName=snowpeakxu, createdTime=Wed Oct 16 04:07:00 CST 2013, time=2013-10-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1291780, encodeId=447b1291e809f, content=<a href='/topic/show?id=9d32981418b' target=_blank style='color:#2F92EE;'>#降压#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98141, encryptionId=9d32981418b, topicName=降压)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8f14236, createdName=经常头晕, createdTime=Sun Nov 18 06:07:00 CST 2012, time=2012-11-18, status=1, ipAttribution=)]
    2013-10-16 snowpeakxu
  5. [GetPortalCommentsPageByObjectIdResponse(id=2050326, encodeId=dc6320503268d, content=<a href='/topic/show?id=95f8e042dd' target=_blank style='color:#2F92EE;'>#EST#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=108, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=7042, encryptionId=95f8e042dd, topicName=EST)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e9a6357, createdName=xiangyuzhou971, createdTime=Sun Aug 25 03:07:00 CST 2013, time=2013-08-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1794306, encodeId=5fcd1e9430641, content=<a href='/topic/show?id=04b316e617e' target=_blank style='color:#2F92EE;'>#Stati#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16761, encryptionId=04b316e617e, topicName=Stati)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6c32257, createdName=DEXTER3139, createdTime=Thu Jan 03 19:07:00 CST 2013, time=2013-01-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1943379, encodeId=a98f19433e9e0, content=<a href='/topic/show?id=fa761e2916a' target=_blank style='color:#2F92EE;'>#Test#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17291, encryptionId=fa761e2916a, topicName=Test)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=aea0290, createdName=lqvr, createdTime=Tue Jul 16 23:07:00 CST 2013, time=2013-07-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2068894, encodeId=af70206889465, content=<a href='/topic/show?id=a56b16e6260' target=_blank style='color:#2F92EE;'>#Statin#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=48, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16762, encryptionId=a56b16e6260, topicName=Statin)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=568152, createdName=snowpeakxu, createdTime=Wed Oct 16 04:07:00 CST 2013, time=2013-10-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1291780, encodeId=447b1291e809f, content=<a href='/topic/show?id=9d32981418b' target=_blank style='color:#2F92EE;'>#降压#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=98141, encryptionId=9d32981418b, topicName=降压)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=8f14236, createdName=经常头晕, createdTime=Sun Nov 18 06:07:00 CST 2012, time=2012-11-18, status=1, ipAttribution=)]
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