Sci Adv:让牛皮癣不再牛!新方法可诱导实现牛皮癣迅速消失

2020-01-14 不详 生物探索

牛皮癣是银屑病的俗称,被称为“不死的癌症”。它是一种常见的慢性皮肤病。寻常型牛皮癣是最常见的类型,其特征是皮肤出现红斑和鳞片状斑块,通常发生在肘部、膝盖或头皮区域。除皮肤病变外,牛皮癣还会影响其他器官,诱发关节炎、代谢综合症或肠部疾病。

牛皮癣是银屑病的俗称,被称为“不死的癌症”。它是一种常见的慢性皮肤病。寻常型牛皮癣是最常见的类型,其特征是皮肤出现红斑和鳞片状斑块,通常发生在肘部、膝盖或头皮区域。除皮肤病变外,牛皮癣还会影响其他器官,诱发关节炎、代谢综合症或肠部疾病。

据2010年的调查统计,我国现有牛皮癣患者约650万人。对牛皮癣的根治一直是世界性难题,先前的研究显示免疫细胞、血管和角质细胞之间的窜扰(cross talk)对牛皮癣的发展至关重要。这三者在牛皮癣发作过程中的作用一直备受关注。

近日在《Science Advances》上发表的一项研究中,研究人员证明了靶向表皮中的VEGFA信号传导可阻止牛皮癣的继续发展。这为牛皮癣的治疗带来了新的希望。


DOI:10.1126/sciadv.aax5849

血管内皮生长因子A(VEGFA)是是一种高度特异性的促血管内皮细胞生长因子,负责形成新血管。VEGFA可以促进牛皮癣的加重。VEGFA通过与酪氨酸激酶受体Flt1和Flk1结合来发挥作用。而Nrp1通过促进同一细胞中的VEGFR受体信号传导(顺式作用)或将VEGFA呈递给邻近细胞(反作用)充当VEGFA的共受体来放大VEGFA信号。

研究人员使用VEGFA过表达的小鼠模型诱导牛皮癣样疾病,重现人类牛皮癣特征。结果发现表皮细胞中Flt1或Nrp1受体条件缺失抑制了VEGFA信号传导后就足以完全阻止牛皮癣的发展,包括免疫细胞浸润和由VEGFA过表达导致的血管形成增加。

为了评估抑制Nrp1 / Vegfa的相互作用是否具有治疗意义,研究人员向已出现牛皮癣的小鼠施用了抗Nrp1抗体来阻断Vegfa和Nrp1之间的相互作用。结果显示施用Nrp1阻断抗体可诱导牛皮癣迅速消失。


抗Nrp1抗体可改善Vegfa诱导的牛皮癣

这项新研究确定了Vegfa / Nrp1 / Flt1在引发牛皮癣中的表皮自主功能,并证明了在牛皮癣中阻断Vegfa / Nrp1 / Flt1受体轴的临床意义。同时,这与其他具有严重副作用的治疗方法相比更加安全,为牛皮癣的治疗开辟了新途径。

原始出处:

Farida Benhadou, Elisabeth Glitzner, Audrey Brisebarre, et.al. Epidermal autonomous VEGFA/Flt1/Nrp1 functions mediate psoriasis-like disease. Science Advances  08 Jan 2020: Vol. 6, no. 2, eaax5849

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    2021-01-30 ms3000001915079524

    可以用药吗

    0

  2. [GetPortalCommentsPageByObjectIdResponse(id=921271, encodeId=566e9212e1a3, content=可以用药吗, beContent=null, objectType=article, channel=null, level=null, likeNumber=71, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210130/2cfe8a58b10d4ffcb1bb25a1994c705a/fb312c5a72a34c989c8ad609305e4788.jpg, createdBy=6eb75457238, createdName=ms3000001915079524, createdTime=Sat Jan 30 09:25:36 CST 2021, time=2021-01-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1903392, encodeId=436f19033920d, content=<a href='/topic/show?id=e1b0583884b' target=_blank style='color:#2F92EE;'>#新方法#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=58388, encryptionId=e1b0583884b, topicName=新方法)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c22f171, createdName=kord1982, createdTime=Thu May 07 12:23:00 CST 2020, time=2020-05-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=378531, encodeId=b0143e8531d2, content=现在应用于临床了吗?我可以试药。, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/DYAIOgq83ern7v9NDicOxByuMnRNSfr6XTWZhVhLZ75UET3lfA6XdHvoTWBZc2RsOxhzhfJkV0oRNAJd8jgM5Qw/132, createdBy=48cf5269638, createdName=王芝庆, createdTime=Sun Jan 26 20:09:50 CST 2020, time=2020-01-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1321084, encodeId=76e91321084fa, content=<a href='/topic/show?id=2a136e77095' target=_blank style='color:#2F92EE;'>#牛皮癣#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67770, encryptionId=2a136e77095, topicName=牛皮癣)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1c2e485, createdName=yangfl06, createdTime=Thu Jan 16 00:23:00 CST 2020, time=2020-01-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=378136, encodeId=a91c3e813645, content=厉害, beContent=null, objectType=article, channel=null, level=null, likeNumber=80, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=/v1.0.0/img/user_icon.png, createdBy=3b363835519, createdName=sallylee_87, createdTime=Tue Jan 14 11:39:32 CST 2020, time=2020-01-14, status=1, ipAttribution=)]
  3. [GetPortalCommentsPageByObjectIdResponse(id=921271, encodeId=566e9212e1a3, content=可以用药吗, beContent=null, objectType=article, channel=null, level=null, likeNumber=71, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210130/2cfe8a58b10d4ffcb1bb25a1994c705a/fb312c5a72a34c989c8ad609305e4788.jpg, createdBy=6eb75457238, createdName=ms3000001915079524, createdTime=Sat Jan 30 09:25:36 CST 2021, time=2021-01-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1903392, encodeId=436f19033920d, content=<a href='/topic/show?id=e1b0583884b' target=_blank style='color:#2F92EE;'>#新方法#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=23, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=58388, encryptionId=e1b0583884b, topicName=新方法)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=c22f171, createdName=kord1982, createdTime=Thu May 07 12:23:00 CST 2020, time=2020-05-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=378531, encodeId=b0143e8531d2, content=现在应用于临床了吗?我可以试药。, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/DYAIOgq83ern7v9NDicOxByuMnRNSfr6XTWZhVhLZ75UET3lfA6XdHvoTWBZc2RsOxhzhfJkV0oRNAJd8jgM5Qw/132, createdBy=48cf5269638, createdName=王芝庆, createdTime=Sun Jan 26 20:09:50 CST 2020, time=2020-01-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1321084, encodeId=76e91321084fa, content=<a href='/topic/show?id=2a136e77095' target=_blank style='color:#2F92EE;'>#牛皮癣#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=67770, encryptionId=2a136e77095, topicName=牛皮癣)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=1c2e485, createdName=yangfl06, createdTime=Thu Jan 16 00:23:00 CST 2020, time=2020-01-16, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=378136, encodeId=a91c3e813645, content=厉害, beContent=null, objectType=article, channel=null, level=null, likeNumber=80, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=/v1.0.0/img/user_icon.png, createdBy=3b363835519, createdName=sallylee_87, createdTime=Tue Jan 14 11:39:32 CST 2020, time=2020-01-14, status=1, ipAttribution=)]
    2020-01-26 王芝庆

    现在应用于临床了吗?我可以试药。

    0

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    2020-01-14 sallylee_87

    厉害

    0