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JAHA:间歇性禁食可增强肺动脉高压个体右心室功能

2021-11-09 MedSci原创 MedSci原创

IF直接增强了PAH动物的RV功能并重组了肠道微生物组。这些结果表明IF可能是对抗RV功能障碍的一种非药物治疗手段。

间歇性禁食(IF)具有多效性血管益处,包括重组肠道微生物组分和增强细胞代谢。肺动脉高压(PAH)是一种罕见的致命性疾病,其特征是右心室(RV)线粒体功能障碍以及由此产生的脂毒性和微生物群失调。然而,IF对PAH患者RV功能的影响尚未明确。

近日,心血管疾病领域权威杂志JAHA上发表了一篇研究文章,研究人员分析了IF如何改变经野百合碱诱导的PAH模型的肠道微生物群组成、RV功能和存活率情况。

雄性SpragueDawley大鼠被随机分为3组:对照组、野百合碱喂养组和野百合碱喂养+IF(隔日喂养)。

研究部人员通过超声心动图和有创血流动力学发现IF改善了RV收缩和舒张功能,尽管PAH的严重程度没有显著变化。IF可防止过早死亡(野百合碱喂养诱导的PAH组死亡率为30%,而野百合碱喂养+IF组大鼠的死亡率为0%,P=0.04)。IF降低了RV心肌细胞肥大并减少了RV纤维化。IF阻止了经油红O染色的RV脂质积累和代谢组学确定的神经酰胺积累。与野百合碱喂养组相比,IF减轻了空肠绒毛长度和杯状细胞丰度。16S核糖体RNA基因测序证明IF改变了肠道微生物组。特别是,野百合碱+IF大鼠中乳酸杆菌的丰度增加。代谢组学分析显示,IF降低了RV微生物组代谢物的水平,包括胆汁酸、芳香族氨基酸代谢物和γ-谷氨酸化氨基酸。

由此可见,IF直接增强了PAH动物的RV功能并重组了肠道微生物组。这些结果表明IF可能是对抗RV功能障碍的一种非药物治疗手段。

原始出处:

Sasha Z. Prisco.et al.Intermittent Fasting Enhances Right Ventricular Function in Preclinical Pulmonary Arterial Hypertension.JAHA.2021.https://www.ahajournals.org/doi/10.1161/JAHA.121.022722

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    2021-11-11 zhaohui6731
  5. [GetPortalCommentsPageByObjectIdResponse(id=1925486, encodeId=b5fe1925486fb, content=<a href='/topic/show?id=26d633354c9' target=_blank style='color:#2F92EE;'>#动脉高压#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=33354, encryptionId=26d633354c9, topicName=动脉高压)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=44a360, createdName=jklm09, createdTime=Mon Oct 10 03:07:28 CST 2022, time=2022-10-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1935838, encodeId=a48919358381f, content=<a href='/topic/show?id=39b5386288c' target=_blank style='color:#2F92EE;'>#右心室功能#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=95, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=38628, encryptionId=39b5386288c, topicName=右心室功能)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e3fb2500073, createdName=124987cdm26暂无昵称, createdTime=Fri Sep 30 07:07:28 CST 2022, time=2022-09-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1955049, encodeId=82a51955049e9, content=<a href='/topic/show?id=732f9e265d7' target=_blank style='color:#2F92EE;'>#间歇性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97265, encryptionId=732f9e265d7, topicName=间歇性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0361487, createdName=花花1366, createdTime=Sun Oct 23 12:07:28 CST 2022, time=2022-10-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1268670, encodeId=7bf512686e00f, content=<a href='/topic/show?id=922f21183d' target=_blank style='color:#2F92EE;'>#AHA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2118, encryptionId=922f21183d, topicName=AHA)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bf3d82, createdName=zhaohui6731, createdTime=Thu Nov 11 14:07:28 CST 2021, time=2021-11-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1543791, encodeId=da801543e91f4, content=<a href='/topic/show?id=52d93862e06' target=_blank style='color:#2F92EE;'>#右心室#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=38627, encryptionId=52d93862e06, topicName=右心室)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f18d13610637, createdName=124988c7m99暂无昵称, createdTime=Thu Nov 11 14:07:28 CST 2021, time=2021-11-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1068840, encodeId=1e28106884084, content=谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=122, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=644b2182796, createdName=1207866fm50(暂无昵称), createdTime=Wed Nov 10 04:54:28 CST 2021, time=2021-11-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1068802, encodeId=6400106880249, content=好好, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20151018/IMG5623B9060FDC17867.jpg, createdBy=b87832484, createdName=nugent, createdTime=Tue Nov 09 23:08:38 CST 2021, time=2021-11-09, status=1, ipAttribution=)]
  6. [GetPortalCommentsPageByObjectIdResponse(id=1925486, encodeId=b5fe1925486fb, content=<a href='/topic/show?id=26d633354c9' target=_blank style='color:#2F92EE;'>#动脉高压#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=33354, encryptionId=26d633354c9, topicName=动脉高压)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=44a360, createdName=jklm09, createdTime=Mon Oct 10 03:07:28 CST 2022, time=2022-10-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1935838, encodeId=a48919358381f, content=<a href='/topic/show?id=39b5386288c' target=_blank style='color:#2F92EE;'>#右心室功能#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=95, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=38628, encryptionId=39b5386288c, topicName=右心室功能)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e3fb2500073, createdName=124987cdm26暂无昵称, createdTime=Fri Sep 30 07:07:28 CST 2022, time=2022-09-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1955049, encodeId=82a51955049e9, content=<a href='/topic/show?id=732f9e265d7' target=_blank style='color:#2F92EE;'>#间歇性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97265, encryptionId=732f9e265d7, topicName=间歇性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0361487, createdName=花花1366, createdTime=Sun Oct 23 12:07:28 CST 2022, time=2022-10-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1268670, encodeId=7bf512686e00f, content=<a href='/topic/show?id=922f21183d' target=_blank style='color:#2F92EE;'>#AHA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2118, encryptionId=922f21183d, topicName=AHA)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bf3d82, createdName=zhaohui6731, createdTime=Thu Nov 11 14:07:28 CST 2021, time=2021-11-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1543791, encodeId=da801543e91f4, content=<a href='/topic/show?id=52d93862e06' target=_blank style='color:#2F92EE;'>#右心室#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=38627, encryptionId=52d93862e06, topicName=右心室)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f18d13610637, createdName=124988c7m99暂无昵称, createdTime=Thu Nov 11 14:07:28 CST 2021, time=2021-11-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1068840, encodeId=1e28106884084, content=谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=122, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=644b2182796, createdName=1207866fm50(暂无昵称), createdTime=Wed Nov 10 04:54:28 CST 2021, time=2021-11-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1068802, encodeId=6400106880249, content=好好, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20151018/IMG5623B9060FDC17867.jpg, createdBy=b87832484, createdName=nugent, createdTime=Tue Nov 09 23:08:38 CST 2021, time=2021-11-09, status=1, ipAttribution=)]
    2021-11-10 1207866fm50(暂无昵称)

    谢谢分享

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=1925486, encodeId=b5fe1925486fb, content=<a href='/topic/show?id=26d633354c9' target=_blank style='color:#2F92EE;'>#动脉高压#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=33354, encryptionId=26d633354c9, topicName=动脉高压)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=44a360, createdName=jklm09, createdTime=Mon Oct 10 03:07:28 CST 2022, time=2022-10-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1935838, encodeId=a48919358381f, content=<a href='/topic/show?id=39b5386288c' target=_blank style='color:#2F92EE;'>#右心室功能#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=95, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=38628, encryptionId=39b5386288c, topicName=右心室功能)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=e3fb2500073, createdName=124987cdm26暂无昵称, createdTime=Fri Sep 30 07:07:28 CST 2022, time=2022-09-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1955049, encodeId=82a51955049e9, content=<a href='/topic/show?id=732f9e265d7' target=_blank style='color:#2F92EE;'>#间歇性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=73, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=97265, encryptionId=732f9e265d7, topicName=间歇性)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0361487, createdName=花花1366, createdTime=Sun Oct 23 12:07:28 CST 2022, time=2022-10-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1268670, encodeId=7bf512686e00f, content=<a href='/topic/show?id=922f21183d' target=_blank style='color:#2F92EE;'>#AHA#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=2118, encryptionId=922f21183d, topicName=AHA)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bf3d82, createdName=zhaohui6731, createdTime=Thu Nov 11 14:07:28 CST 2021, time=2021-11-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1543791, encodeId=da801543e91f4, content=<a href='/topic/show?id=52d93862e06' target=_blank style='color:#2F92EE;'>#右心室#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=82, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=38627, encryptionId=52d93862e06, topicName=右心室)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f18d13610637, createdName=124988c7m99暂无昵称, createdTime=Thu Nov 11 14:07:28 CST 2021, time=2021-11-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1068840, encodeId=1e28106884084, content=谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=122, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=644b2182796, createdName=1207866fm50(暂无昵称), createdTime=Wed Nov 10 04:54:28 CST 2021, time=2021-11-10, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1068802, encodeId=6400106880249, content=好好, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20151018/IMG5623B9060FDC17867.jpg, createdBy=b87832484, createdName=nugent, createdTime=Tue Nov 09 23:08:38 CST 2021, time=2021-11-09, status=1, ipAttribution=)]
    2021-11-09 nugent

    好好

    0

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