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Sci Rep:小鼠模型中,人参皂苷Rb1和Rd能预防视网膜的光感受器变性

2017-07-24 xiaoxiao MedSci原创

人参皂苷(Ginsenoside)是一种固醇类化合物,三萜皂苷。主要存在于人参属药材中。人参皂苷被视为是人参中的活性成分,因而成为研究的目标。因为人参皂苷影响了多重的代谢通路,所以其效能也是复杂的,而且各种人参皂苷的单体成分是难以分离出来的。由柯荔宁博士所在的中国南方医科大学和福建医科大学研究人员构成的联合研究团队发现人参皂苷Rb1可能通过下调缺氧活化的小胶质细胞中的一氧化氮、O2-、和肿瘤坏死因

人参皂苷(Ginsenoside)是一种固醇类化合物,三萜皂苷。主要存在于人参属药材中。人参皂苷被视为是人参中的活性成分,因而成为研究的目标。因为人参皂苷影响了多重的代谢通路,所以其效能也是复杂的,而且各种人参皂苷的单体成分是难以分离出来的。

由柯荔宁博士所在的中国南方医科大学和福建医科大学研究人员构成的联合研究团队发现人参皂苷Rb1可能通过下调缺氧活化的小胶质细胞中的一氧化氮、O2-、和肿瘤坏死因子α的表达减轻大脑皮质神经元的损伤。

韩国学者的研究发现人参皂苷Rg3抑制HCV繁殖,其抗病毒机制为恢复HCV诱导的Drp1介导的线粒体异常分裂过程,从而抑制持续性HCV感染

近日由上海中医药大学附属岳阳医院-中西医结合临床研究所的张腾教授和陈瑜教授带头的研究团队发现人参皂苷Rb1和Rd能预防视网膜的光感受器变性,研究的主要内容如下:

光感受器变性是各种视网膜退行性疾病的主要病理改变,目前对其缺乏有效的治疗方法。既往的研究发现三七中的三七总皂甙(PNS)具有抗氧化和抗炎的活性,其相关的皂苷类化合物也具有该活性。然而,目前的研究结果中仍不知道——PNS或相关的皂甙化合物是否具有防止光感受器变性的作用。

目前的研究显示,PNS作用于暴露于亮光中的BALB/c小鼠时,能保护小鼠免受光感受器丧失。人参皂苷Rb1和Rd是PNS的两种主要皂苷类化合物,表现为PNS的视网膜保护作用,及减轻视网膜的氧化应激和炎症变化。在ARPE19细胞中,人参皂苷Rb1或Rd能部分缓解氧化应激。在ARPE19和RAW264.7细胞中,人参皂苷Rb1或Rd能抑制脂多糖(LPS)诱导的促炎性细胞因子的基因的表达。在LPS刺激的RAW264.7细胞中,人参皂苷Rb1或Rd也调节炎性microRNA、miR-155和它的直接目标——抗炎SFRP1的表达。miR-155和SHIP1在视网膜的表达的改变会先于广泛的视网膜损伤,但人参皂苷Rb1和Rd的组合使它们的表达维持在正常水平。

本研究的结果表明,miR-155和SHIP1表达的改变在第一时间参与了视网膜的光感受器变性。最重要的是,人参皂苷Rb1和Rd组合对视网膜的保护作用表明,未来需要进一步评价它们治疗视网膜退行性疾病等相关疾病的作用。

原始出处:

Bian M, Du X,et al.Combination of ginsenoside Rb1 and Rd protects the retina against bright light-induced degeneration.Sci Rep. 2017 Jul 20;7(1):6015. doi: 10.1038/s41598-017-06471-x.

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    2017-07-26 zutt
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    2017-07-26 huangdf
  5. [GetPortalCommentsPageByObjectIdResponse(id=2085191, encodeId=f11920851916a, content=<a href='/topic/show?id=c27828e876c' target=_blank style='color:#2F92EE;'>#光感受器#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=28787, encryptionId=c27828e876c, topicName=光感受器)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5ed3112, createdName=echonoir, createdTime=Sun Mar 04 02:52:00 CST 2018, time=2018-03-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1269916, encodeId=c61a126991639, content=<a href='/topic/show?id=979690e33bd' target=_blank style='color:#2F92EE;'>#视网膜#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=90733, encryptionId=979690e33bd, topicName=视网膜)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=742793, createdName=zutt, createdTime=Wed Jul 26 12:52:00 CST 2017, time=2017-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1436757, encodeId=6e521436e57e3, content=<a href='/topic/show?id=a9424e199a5' target=_blank style='color:#2F92EE;'>#小鼠模型#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=47199, encryptionId=a9424e199a5, topicName=小鼠模型)], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/aLGWoFXAyMbIu3qymFOyheQLjPSX3OUs5GmkyBlcCOwTPIeq3why9NGibxxUqYo6hcx8qZLHZFgNPnBK1yzWeOFpyg2OnWOt0/0, createdBy=fa4716, createdName=zhouqu_8, createdTime=Wed Jul 26 12:52:00 CST 2017, time=2017-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1463546, encodeId=4c341463546a1, content=<a href='/topic/show?id=7d27381288e' target=_blank style='color:#2F92EE;'>#变性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=38128, encryptionId=7d27381288e, topicName=变性)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f69f6545041, createdName=huangdf, createdTime=Wed Jul 26 12:52:00 CST 2017, time=2017-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=226043, encodeId=d3c52260437f, content=学习了谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=00501987275, createdName=130****4638, createdTime=Tue Jul 25 07:22:28 CST 2017, time=2017-07-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=225954, encodeId=a1db22595408, content=不错的文章,值得学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=88, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=04f22055142, createdName=131****2916, createdTime=Mon Jul 24 22:41:49 CST 2017, time=2017-07-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=225944, encodeId=6bdf22594430, content=不错的,学习了,谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mStl88fu4NdqKgfW3nMpOkC3jXxiaW2po0PtglY5ZuVjERqKADW4HyMI8bcZXWlKgH7tEP9ULBoBzuQMibia4pr1s9rQPqLvqQJ/0, createdBy=e8c02060444, createdName=中医痴, createdTime=Mon Jul 24 22:37:42 CST 2017, time=2017-07-24, status=1, ipAttribution=)]
    2017-07-25 130****4638

    学习了谢谢分享

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=2085191, encodeId=f11920851916a, content=<a href='/topic/show?id=c27828e876c' target=_blank style='color:#2F92EE;'>#光感受器#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=28787, encryptionId=c27828e876c, topicName=光感受器)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5ed3112, createdName=echonoir, createdTime=Sun Mar 04 02:52:00 CST 2018, time=2018-03-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1269916, encodeId=c61a126991639, content=<a href='/topic/show?id=979690e33bd' target=_blank style='color:#2F92EE;'>#视网膜#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=90733, encryptionId=979690e33bd, topicName=视网膜)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=742793, createdName=zutt, createdTime=Wed Jul 26 12:52:00 CST 2017, time=2017-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1436757, encodeId=6e521436e57e3, content=<a href='/topic/show?id=a9424e199a5' target=_blank style='color:#2F92EE;'>#小鼠模型#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=47199, encryptionId=a9424e199a5, topicName=小鼠模型)], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/aLGWoFXAyMbIu3qymFOyheQLjPSX3OUs5GmkyBlcCOwTPIeq3why9NGibxxUqYo6hcx8qZLHZFgNPnBK1yzWeOFpyg2OnWOt0/0, createdBy=fa4716, createdName=zhouqu_8, createdTime=Wed Jul 26 12:52:00 CST 2017, time=2017-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1463546, encodeId=4c341463546a1, content=<a href='/topic/show?id=7d27381288e' target=_blank style='color:#2F92EE;'>#变性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=38128, encryptionId=7d27381288e, topicName=变性)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f69f6545041, createdName=huangdf, createdTime=Wed Jul 26 12:52:00 CST 2017, time=2017-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=226043, encodeId=d3c52260437f, content=学习了谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=00501987275, createdName=130****4638, createdTime=Tue Jul 25 07:22:28 CST 2017, time=2017-07-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=225954, encodeId=a1db22595408, content=不错的文章,值得学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=88, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=04f22055142, createdName=131****2916, createdTime=Mon Jul 24 22:41:49 CST 2017, time=2017-07-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=225944, encodeId=6bdf22594430, content=不错的,学习了,谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mStl88fu4NdqKgfW3nMpOkC3jXxiaW2po0PtglY5ZuVjERqKADW4HyMI8bcZXWlKgH7tEP9ULBoBzuQMibia4pr1s9rQPqLvqQJ/0, createdBy=e8c02060444, createdName=中医痴, createdTime=Mon Jul 24 22:37:42 CST 2017, time=2017-07-24, status=1, ipAttribution=)]
    2017-07-24 131****2916

    不错的文章,值得学习

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=2085191, encodeId=f11920851916a, content=<a href='/topic/show?id=c27828e876c' target=_blank style='color:#2F92EE;'>#光感受器#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=28787, encryptionId=c27828e876c, topicName=光感受器)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=5ed3112, createdName=echonoir, createdTime=Sun Mar 04 02:52:00 CST 2018, time=2018-03-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1269916, encodeId=c61a126991639, content=<a href='/topic/show?id=979690e33bd' target=_blank style='color:#2F92EE;'>#视网膜#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=90733, encryptionId=979690e33bd, topicName=视网膜)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=742793, createdName=zutt, createdTime=Wed Jul 26 12:52:00 CST 2017, time=2017-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1436757, encodeId=6e521436e57e3, content=<a href='/topic/show?id=a9424e199a5' target=_blank style='color:#2F92EE;'>#小鼠模型#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=47199, encryptionId=a9424e199a5, topicName=小鼠模型)], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/aLGWoFXAyMbIu3qymFOyheQLjPSX3OUs5GmkyBlcCOwTPIeq3why9NGibxxUqYo6hcx8qZLHZFgNPnBK1yzWeOFpyg2OnWOt0/0, createdBy=fa4716, createdName=zhouqu_8, createdTime=Wed Jul 26 12:52:00 CST 2017, time=2017-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1463546, encodeId=4c341463546a1, content=<a href='/topic/show?id=7d27381288e' target=_blank style='color:#2F92EE;'>#变性#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=72, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=38128, encryptionId=7d27381288e, topicName=变性)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f69f6545041, createdName=huangdf, createdTime=Wed Jul 26 12:52:00 CST 2017, time=2017-07-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=226043, encodeId=d3c52260437f, content=学习了谢谢分享, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=00501987275, createdName=130****4638, createdTime=Tue Jul 25 07:22:28 CST 2017, time=2017-07-25, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=225954, encodeId=a1db22595408, content=不错的文章,值得学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=88, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=04f22055142, createdName=131****2916, createdTime=Mon Jul 24 22:41:49 CST 2017, time=2017-07-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=225944, encodeId=6bdf22594430, content=不错的,学习了,谢谢分享!, beContent=null, objectType=article, channel=null, level=null, likeNumber=76, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mStl88fu4NdqKgfW3nMpOkC3jXxiaW2po0PtglY5ZuVjERqKADW4HyMI8bcZXWlKgH7tEP9ULBoBzuQMibia4pr1s9rQPqLvqQJ/0, createdBy=e8c02060444, createdName=中医痴, createdTime=Mon Jul 24 22:37:42 CST 2017, time=2017-07-24, status=1, ipAttribution=)]
    2017-07-24 中医痴

    不错的,学习了,谢谢分享!

    0

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