Hypertension:健康人血压受神经型一氧化氮合酶调节!

2017-03-07 xing.T MedSci原创

这些结果表明,nNOS来源的NO在健康人基础的全身血管阻力和血压的生理调节中发挥着重要作用。

在生理情况下,NO是由内皮型和神经型一氧化氮合酶(nNOS)两种亚型产生。虽然nNOS的首次发现是在大脑中,但是它在体内其他组织中也有表达,包括血管周围神经、心脏和骨骼肌。越来越多的实验证据表明,nNOS对心血管功能有重要的影响,但其对人类全身血流动力学的复合效应仍是未知的。近日,心血管权威杂志Hypertension上发表一篇研究文章,研究人员首次进行了人体研究来评估全身使用nNOS抑制剂对基础血流动力学的生理学效应。

研究人员纳入了十七例正常血压的男性,其年龄为24±4岁,通过静脉输注在不同的时期急性输注nNOS选择性抑制剂S-甲基-L-硫代瓜氨酸和安慰剂。

初始的剂量递增研究表明,S-甲基-L-硫代瓜氨酸(0.1-3µmol/kg)对全身血流动力学可产生剂量依赖性的变化效应。与安慰剂组相比,最高剂量(3µmol/kg输注10分钟)的S-甲基-L-硫代瓜氨酸可以显著增加全身血管阻力(+42±6%)和舒张压(67±1到77±3mmHg)(P<0.01)。研究人员发现心率(60±4到51±3次/分;P<0.01)和左心室搏出量(59±6到51±6ml;P<0.01)均显著下降,而射血分数不变。S-甲基-L-硫代瓜氨酸对桡动脉血流介导的扩张-内皮型NOS活性指数没有影响。

这些结果表明,nNOS来源的NO在健康人基础的全身血管阻力和血压的生理调节中发挥着重要作用。

原始出处:

Husain Shabeeh, et al. Blood Pressure in Healthy Humans Is Regulated by Neuronal NO Synthase. Hypertension. 2017. https://doi.org/10.1161/HYPERTENSIONAHA.116.08792

本文系梅斯医学(MedSci)原创编译整理,转载需授权!

版权声明:
本网站所有内容来源注明为“梅斯医学”或“MedSci原创”的文字、图片和音视频资料,版权均属于梅斯医学所有。非经授权,任何媒体、网站或个人不得转载,授权转载时须注明来源为“梅斯医学”。其它来源的文章系转载文章,或“梅斯号”自媒体发布的文章,仅系出于传递更多信息之目的,本站仅负责审核内容合规,其内容不代表本站立场,本站不负责内容的准确性和版权。如果存在侵权、或不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
在此留言
评论区 (5)
#插入话题
  1. [GetPortalCommentsPageByObjectIdResponse(id=2038594, encodeId=13272038594f4, content=<a href='/topic/show?id=b45d1e274e8' target=_blank style='color:#2F92EE;'>#TENS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17274, encryptionId=b45d1e274e8, topicName=TENS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=智智灵药, createdTime=Sat Mar 11 10:16:00 CST 2017, time=2017-03-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1911098, encodeId=d6ca191109873, content=<a href='/topic/show?id=8c0d2e73196' target=_blank style='color:#2F92EE;'>#健康人#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=27731, encryptionId=8c0d2e73196, topicName=健康人)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=55f6293, createdName=lishizhe, createdTime=Sun Nov 05 04:16:00 CST 2017, time=2017-11-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1726305, encodeId=9ed21e263050e, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13980, encryptionId=986913980dd, topicName=PE)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f06c33759375, createdName=feather89, createdTime=Sun Jul 23 06:16:00 CST 2017, time=2017-07-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1337367, encodeId=518c133e36707, content=<a href='/topic/show?id=96fd19358fa' target=_blank style='color:#2F92EE;'>#一氧化氮#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=19358, encryptionId=96fd19358fa, topicName=一氧化氮)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKjqGDO7icVKUiaT7urgwXvnvzWtp0fMFU46Xfib8oavFKygiaWtibXReS6ZUh3PImsNicGAwTO5HXxoicnA/132, createdBy=ee262500130, createdName=ms7474195563676018, createdTime=Thu Mar 09 11:16:00 CST 2017, time=2017-03-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1501126, encodeId=422a150112675, content=<a href='/topic/show?id=f2db9238f9' target=_blank style='color:#2F92EE;'>#Hypertension#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=9238, encryptionId=f2db9238f9, topicName=Hypertension)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=11ff9497046, createdName=jambiya, createdTime=Thu Mar 09 11:16:00 CST 2017, time=2017-03-09, status=1, ipAttribution=)]
    2017-03-11 智智灵药
  2. [GetPortalCommentsPageByObjectIdResponse(id=2038594, encodeId=13272038594f4, content=<a href='/topic/show?id=b45d1e274e8' target=_blank style='color:#2F92EE;'>#TENS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17274, encryptionId=b45d1e274e8, topicName=TENS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=智智灵药, createdTime=Sat Mar 11 10:16:00 CST 2017, time=2017-03-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1911098, encodeId=d6ca191109873, content=<a href='/topic/show?id=8c0d2e73196' target=_blank style='color:#2F92EE;'>#健康人#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=27731, encryptionId=8c0d2e73196, topicName=健康人)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=55f6293, createdName=lishizhe, createdTime=Sun Nov 05 04:16:00 CST 2017, time=2017-11-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1726305, encodeId=9ed21e263050e, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13980, encryptionId=986913980dd, topicName=PE)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f06c33759375, createdName=feather89, createdTime=Sun Jul 23 06:16:00 CST 2017, time=2017-07-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1337367, encodeId=518c133e36707, content=<a href='/topic/show?id=96fd19358fa' target=_blank style='color:#2F92EE;'>#一氧化氮#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=19358, encryptionId=96fd19358fa, topicName=一氧化氮)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKjqGDO7icVKUiaT7urgwXvnvzWtp0fMFU46Xfib8oavFKygiaWtibXReS6ZUh3PImsNicGAwTO5HXxoicnA/132, createdBy=ee262500130, createdName=ms7474195563676018, createdTime=Thu Mar 09 11:16:00 CST 2017, time=2017-03-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1501126, encodeId=422a150112675, content=<a href='/topic/show?id=f2db9238f9' target=_blank style='color:#2F92EE;'>#Hypertension#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=9238, encryptionId=f2db9238f9, topicName=Hypertension)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=11ff9497046, createdName=jambiya, createdTime=Thu Mar 09 11:16:00 CST 2017, time=2017-03-09, status=1, ipAttribution=)]
  3. [GetPortalCommentsPageByObjectIdResponse(id=2038594, encodeId=13272038594f4, content=<a href='/topic/show?id=b45d1e274e8' target=_blank style='color:#2F92EE;'>#TENS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17274, encryptionId=b45d1e274e8, topicName=TENS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=智智灵药, createdTime=Sat Mar 11 10:16:00 CST 2017, time=2017-03-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1911098, encodeId=d6ca191109873, content=<a href='/topic/show?id=8c0d2e73196' target=_blank style='color:#2F92EE;'>#健康人#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=27731, encryptionId=8c0d2e73196, topicName=健康人)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=55f6293, createdName=lishizhe, createdTime=Sun Nov 05 04:16:00 CST 2017, time=2017-11-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1726305, encodeId=9ed21e263050e, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13980, encryptionId=986913980dd, topicName=PE)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f06c33759375, createdName=feather89, createdTime=Sun Jul 23 06:16:00 CST 2017, time=2017-07-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1337367, encodeId=518c133e36707, content=<a href='/topic/show?id=96fd19358fa' target=_blank style='color:#2F92EE;'>#一氧化氮#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=19358, encryptionId=96fd19358fa, topicName=一氧化氮)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKjqGDO7icVKUiaT7urgwXvnvzWtp0fMFU46Xfib8oavFKygiaWtibXReS6ZUh3PImsNicGAwTO5HXxoicnA/132, createdBy=ee262500130, createdName=ms7474195563676018, createdTime=Thu Mar 09 11:16:00 CST 2017, time=2017-03-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1501126, encodeId=422a150112675, content=<a href='/topic/show?id=f2db9238f9' target=_blank style='color:#2F92EE;'>#Hypertension#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=9238, encryptionId=f2db9238f9, topicName=Hypertension)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=11ff9497046, createdName=jambiya, createdTime=Thu Mar 09 11:16:00 CST 2017, time=2017-03-09, status=1, ipAttribution=)]
    2017-07-23 feather89
  4. [GetPortalCommentsPageByObjectIdResponse(id=2038594, encodeId=13272038594f4, content=<a href='/topic/show?id=b45d1e274e8' target=_blank style='color:#2F92EE;'>#TENS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17274, encryptionId=b45d1e274e8, topicName=TENS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=智智灵药, createdTime=Sat Mar 11 10:16:00 CST 2017, time=2017-03-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1911098, encodeId=d6ca191109873, content=<a href='/topic/show?id=8c0d2e73196' target=_blank style='color:#2F92EE;'>#健康人#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=27731, encryptionId=8c0d2e73196, topicName=健康人)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=55f6293, createdName=lishizhe, createdTime=Sun Nov 05 04:16:00 CST 2017, time=2017-11-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1726305, encodeId=9ed21e263050e, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13980, encryptionId=986913980dd, topicName=PE)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f06c33759375, createdName=feather89, createdTime=Sun Jul 23 06:16:00 CST 2017, time=2017-07-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1337367, encodeId=518c133e36707, content=<a href='/topic/show?id=96fd19358fa' target=_blank style='color:#2F92EE;'>#一氧化氮#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=19358, encryptionId=96fd19358fa, topicName=一氧化氮)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKjqGDO7icVKUiaT7urgwXvnvzWtp0fMFU46Xfib8oavFKygiaWtibXReS6ZUh3PImsNicGAwTO5HXxoicnA/132, createdBy=ee262500130, createdName=ms7474195563676018, createdTime=Thu Mar 09 11:16:00 CST 2017, time=2017-03-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1501126, encodeId=422a150112675, content=<a href='/topic/show?id=f2db9238f9' target=_blank style='color:#2F92EE;'>#Hypertension#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=9238, encryptionId=f2db9238f9, topicName=Hypertension)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=11ff9497046, createdName=jambiya, createdTime=Thu Mar 09 11:16:00 CST 2017, time=2017-03-09, status=1, ipAttribution=)]
  5. [GetPortalCommentsPageByObjectIdResponse(id=2038594, encodeId=13272038594f4, content=<a href='/topic/show?id=b45d1e274e8' target=_blank style='color:#2F92EE;'>#TENS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=17274, encryptionId=b45d1e274e8, topicName=TENS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=a12645, createdName=智智灵药, createdTime=Sat Mar 11 10:16:00 CST 2017, time=2017-03-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1911098, encodeId=d6ca191109873, content=<a href='/topic/show?id=8c0d2e73196' target=_blank style='color:#2F92EE;'>#健康人#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=28, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=27731, encryptionId=8c0d2e73196, topicName=健康人)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=55f6293, createdName=lishizhe, createdTime=Sun Nov 05 04:16:00 CST 2017, time=2017-11-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1726305, encodeId=9ed21e263050e, content=<a href='/topic/show?id=986913980dd' target=_blank style='color:#2F92EE;'>#PE#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13980, encryptionId=986913980dd, topicName=PE)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f06c33759375, createdName=feather89, createdTime=Sun Jul 23 06:16:00 CST 2017, time=2017-07-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1337367, encodeId=518c133e36707, content=<a href='/topic/show?id=96fd19358fa' target=_blank style='color:#2F92EE;'>#一氧化氮#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=44, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=19358, encryptionId=96fd19358fa, topicName=一氧化氮)], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/Q0j4TwGTfTKjqGDO7icVKUiaT7urgwXvnvzWtp0fMFU46Xfib8oavFKygiaWtibXReS6ZUh3PImsNicGAwTO5HXxoicnA/132, createdBy=ee262500130, createdName=ms7474195563676018, createdTime=Thu Mar 09 11:16:00 CST 2017, time=2017-03-09, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1501126, encodeId=422a150112675, content=<a href='/topic/show?id=f2db9238f9' target=_blank style='color:#2F92EE;'>#Hypertension#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=9238, encryptionId=f2db9238f9, topicName=Hypertension)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=11ff9497046, createdName=jambiya, createdTime=Thu Mar 09 11:16:00 CST 2017, time=2017-03-09, status=1, ipAttribution=)]