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JCC:肠道粘膜中凝血酶升高与克罗恩病的炎症持续进展有关

2020-11-22 MedSci原创 MedSci原创

最近有研究发现,与健康对照组相比,克罗恩病患者结肠中的凝血酶水平升高了100倍。因此,本项研究的目的是确定凝血酶活性是否可以导致与克罗恩氏病相关的局部组织功能异常。

背景和目标

最近有研究发现,与健康对照组相比,克罗恩病患者结肠中的凝血酶水平升高了100倍。因此,本项研究的目的是确定凝血酶活性是否可以导致与克罗恩氏病相关的局部组织功能异常。

方法

研究人员在克罗恩病患者和健康对照组的肠道组织中研究了凝血酶活性。然后通过结肠内施用三硝基苯磺酸在大鼠和小鼠中诱发结肠炎,再对野生型或蛋白酶激活的受体缺陷型小鼠进行凝血酶的结肠内给药,用于评估局部凝血酶上调的作用和机制。

结果

研究结果显示克罗恩病患者组织中凝血酶的活性程度明显增加。 凝血酶的表达和活性升高与肠上皮细胞有关。凝血酶活性和表达的增加也是大鼠实验性结肠炎的特征。通过涉及蛋白酶激活受体-1和-4的机制,结肠暴露于与炎症性肠病组织相当的活性凝血酶剂量,可引起小鼠粘膜损伤和组织功能障碍。在啮齿动物模型中,对凝血酶抑制剂达比加群的结肠内给药以及对蛋白酶激活的受体1的抑制可预防三硝基苯磺酸引起的结肠炎的进一步恶化。

结论

局部性凝血酶活性的增加(如在炎症性肠病患者的结肠中发生)会引起粘膜损伤和炎症。结肠凝血酶和蛋白酶激活受体-1可能是粘膜损伤和功能丧失的机制,因此凝血酶可以作为治疗炎症性肠病的潜在治疗靶标。

原始出处:

Jean-Paul Motta. Et al. Increased mucosal thrombin is associated with Crohn's disease and causes inflammatory damage through Protease-Activated Receptors activation. Journal of Crohn's and Colitis.2020.

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    2021-04-30 guoyibin
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    2020-11-24 咻凡

    最近有研究发现,与健康对照组相比,克罗恩病患者结肠中的凝血酶水平升高了100倍。

    0

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    2020-11-23 Lizhihua6

    与克罗恩病的炎症持续进展有关

    0

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    2020-11-22 lovetcm

    #克罗恩病#肠道中的#凝血酶#,可能与对抗炎症和出血有关

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=1691081, encodeId=b627169108148, content=<a href='/topic/show?id=7adce62603e' target=_blank style='color:#2F92EE;'>#粘膜#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76260, encryptionId=7adce62603e, topicName=粘膜)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=090129165428, createdName=guoyibin, createdTime=Fri Apr 30 17:56:36 CST 2021, time=2021-04-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=901744, encodeId=d7f0901e44a0, content=最近有研究发现,与健康对照组相比,克罗恩病患者结肠中的凝血酶水平升高了100倍。, beContent=null, objectType=article, channel=null, level=null, likeNumber=109, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b58d5402080, createdName=咻凡, createdTime=Tue Nov 24 13:01:59 CST 2020, time=2020-11-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=901439, encodeId=911d90143910, content=与克罗恩病的炎症持续进展有关, beContent=null, objectType=article, channel=null, level=null, likeNumber=103, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20201120/58e01f5adcbf4aae90dfc25bd03c739f/1aca8d53476d43fca347e4819bda61f4.jpg, createdBy=b2d85436799, createdName=Lizhihua6, createdTime=Mon Nov 23 13:43:55 CST 2020, time=2020-11-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=901169, encodeId=6d3f901169e0, content=<a href='/topic/show?id=fde528896bd' target=_blank style='color:#2F92EE;'>#克罗恩病#</a>肠道中的<a href='/topic/show?id=e43e3134065' target=_blank style='color:#2F92EE;'>#凝血酶#</a>,可能与对抗炎症和出血有关, beContent=null, objectType=article, channel=null, level=null, likeNumber=201, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=28896, encryptionId=fde528896bd, topicName=克罗恩病), TopicDto(id=31340, encryptionId=e43e3134065, topicName=凝血酶)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220519/c2ab253484ee4527a2d4e9589a4821ac/45de9bf494a54becb2ea4369c9d11e85.jpg, createdBy=7a3710, createdName=lovetcm, createdTime=Sun Nov 22 14:26:55 CST 2020, time=2020-11-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=901157, encodeId=56b290115e46, content=👏, beContent=null, objectType=article, channel=null, level=null, likeNumber=116, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bc445185219, createdName=14705cc5m67暂无昵称, createdTime=Sun Nov 22 13:16:22 CST 2020, time=2020-11-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=901153, encodeId=b3b89011536b, content=好的, beContent=null, objectType=article, channel=null, level=null, likeNumber=94, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0acb2570971, createdName=12582d2fm84暂无昵称, createdTime=Sun Nov 22 13:03:29 CST 2020, time=2020-11-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=901140, encodeId=3423901140b4, content=消化道的疾病,属于癌前病变吗, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=bf575437326, createdName=ms5000000904777647, createdTime=Sun Nov 22 11:36:15 CST 2020, time=2020-11-22, status=1, ipAttribution=)]
    2020-11-22 14705cc5m67暂无昵称

    👏

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1691081, encodeId=b627169108148, content=<a href='/topic/show?id=7adce62603e' target=_blank style='color:#2F92EE;'>#粘膜#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76260, encryptionId=7adce62603e, topicName=粘膜)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=090129165428, createdName=guoyibin, createdTime=Fri Apr 30 17:56:36 CST 2021, time=2021-04-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=901744, encodeId=d7f0901e44a0, content=最近有研究发现,与健康对照组相比,克罗恩病患者结肠中的凝血酶水平升高了100倍。, beContent=null, objectType=article, channel=null, level=null, likeNumber=109, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b58d5402080, createdName=咻凡, createdTime=Tue Nov 24 13:01:59 CST 2020, time=2020-11-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=901439, encodeId=911d90143910, content=与克罗恩病的炎症持续进展有关, beContent=null, objectType=article, channel=null, level=null, likeNumber=103, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20201120/58e01f5adcbf4aae90dfc25bd03c739f/1aca8d53476d43fca347e4819bda61f4.jpg, createdBy=b2d85436799, createdName=Lizhihua6, createdTime=Mon Nov 23 13:43:55 CST 2020, time=2020-11-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=901169, encodeId=6d3f901169e0, content=<a href='/topic/show?id=fde528896bd' target=_blank style='color:#2F92EE;'>#克罗恩病#</a>肠道中的<a href='/topic/show?id=e43e3134065' target=_blank style='color:#2F92EE;'>#凝血酶#</a>,可能与对抗炎症和出血有关, beContent=null, objectType=article, channel=null, level=null, likeNumber=201, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=28896, encryptionId=fde528896bd, topicName=克罗恩病), TopicDto(id=31340, encryptionId=e43e3134065, topicName=凝血酶)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220519/c2ab253484ee4527a2d4e9589a4821ac/45de9bf494a54becb2ea4369c9d11e85.jpg, createdBy=7a3710, createdName=lovetcm, createdTime=Sun Nov 22 14:26:55 CST 2020, time=2020-11-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=901157, encodeId=56b290115e46, content=👏, beContent=null, objectType=article, channel=null, level=null, likeNumber=116, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bc445185219, createdName=14705cc5m67暂无昵称, createdTime=Sun Nov 22 13:16:22 CST 2020, time=2020-11-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=901153, encodeId=b3b89011536b, content=好的, beContent=null, objectType=article, channel=null, level=null, likeNumber=94, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0acb2570971, createdName=12582d2fm84暂无昵称, createdTime=Sun Nov 22 13:03:29 CST 2020, time=2020-11-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=901140, encodeId=3423901140b4, content=消化道的疾病,属于癌前病变吗, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=bf575437326, createdName=ms5000000904777647, createdTime=Sun Nov 22 11:36:15 CST 2020, time=2020-11-22, status=1, ipAttribution=)]
    2020-11-22 12582d2fm84暂无昵称

    好的

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=1691081, encodeId=b627169108148, content=<a href='/topic/show?id=7adce62603e' target=_blank style='color:#2F92EE;'>#粘膜#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=51, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76260, encryptionId=7adce62603e, topicName=粘膜)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=090129165428, createdName=guoyibin, createdTime=Fri Apr 30 17:56:36 CST 2021, time=2021-04-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=901744, encodeId=d7f0901e44a0, content=最近有研究发现,与健康对照组相比,克罗恩病患者结肠中的凝血酶水平升高了100倍。, beContent=null, objectType=article, channel=null, level=null, likeNumber=109, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b58d5402080, createdName=咻凡, createdTime=Tue Nov 24 13:01:59 CST 2020, time=2020-11-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=901439, encodeId=911d90143910, content=与克罗恩病的炎症持续进展有关, beContent=null, objectType=article, channel=null, level=null, likeNumber=103, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20201120/58e01f5adcbf4aae90dfc25bd03c739f/1aca8d53476d43fca347e4819bda61f4.jpg, createdBy=b2d85436799, createdName=Lizhihua6, createdTime=Mon Nov 23 13:43:55 CST 2020, time=2020-11-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=901169, encodeId=6d3f901169e0, content=<a href='/topic/show?id=fde528896bd' target=_blank style='color:#2F92EE;'>#克罗恩病#</a>肠道中的<a href='/topic/show?id=e43e3134065' target=_blank style='color:#2F92EE;'>#凝血酶#</a>,可能与对抗炎症和出血有关, beContent=null, objectType=article, channel=null, level=null, likeNumber=201, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=28896, encryptionId=fde528896bd, topicName=克罗恩病), TopicDto(id=31340, encryptionId=e43e3134065, topicName=凝血酶)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20220519/c2ab253484ee4527a2d4e9589a4821ac/45de9bf494a54becb2ea4369c9d11e85.jpg, createdBy=7a3710, createdName=lovetcm, createdTime=Sun Nov 22 14:26:55 CST 2020, time=2020-11-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=901157, encodeId=56b290115e46, content=👏, beContent=null, objectType=article, channel=null, level=null, likeNumber=116, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=bc445185219, createdName=14705cc5m67暂无昵称, createdTime=Sun Nov 22 13:16:22 CST 2020, time=2020-11-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=901153, encodeId=b3b89011536b, content=好的, beContent=null, objectType=article, channel=null, level=null, likeNumber=94, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0acb2570971, createdName=12582d2fm84暂无昵称, createdTime=Sun Nov 22 13:03:29 CST 2020, time=2020-11-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=901140, encodeId=3423901140b4, content=消化道的疾病,属于癌前病变吗, beContent=null, objectType=article, channel=null, level=null, likeNumber=65, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=bf575437326, createdName=ms5000000904777647, createdTime=Sun Nov 22 11:36:15 CST 2020, time=2020-11-22, status=1, ipAttribution=)]
    2020-11-22 ms5000000904777647

    消化道的疾病,属于癌前病变吗

    0

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