Br J Cancer:miR-199b-5p-DDR1-ERK信号通路介导EMT进程抑制前列腺癌的转移

2020-12-11 xiaozeng MedSci原创

前列腺癌(PCa)作为西方国家男性中最常被诊断出的恶性肿瘤之一,是癌症相关死亡的第二大主要原因。2018年,全球约有130万新确诊PCa病例。在中国,前列腺癌的发病率和死亡率逐年增加。

前列腺癌(PCa)作为西方国家男性中最常被诊断出的恶性肿瘤之一,是癌症相关死亡的第二大主要原因。2018年,全球约有130万新确诊PCa病例。在中国,前列腺癌的发病率和死亡率逐年增加。

尽管根治性前列腺切除术或放疗被证明可以有效的控制局部PCa,但仍有一部分患者出现疾病的复发或转移。目前并没有有效的治疗方法可用于转移性PCa患者的治疗。因此,更好地了解促进PCa转移的潜在分子机制尤为重要,这也将促进新型疗法的开发以及现有治疗方案的改善实施。


MicroRNA(miRNA)是一种具有17-23个核苷酸的内源性小非编码RNA,其可以通过与靶标mRNA的3'-UTR结合而抑制转录后的基因表达。既往研究显示,miRNA能够作为肿瘤发生、侵袭和转移的各种生物过程中的重要调节因子。因此,研究miRNA在癌变和转移中的作用有助于更好地了解肿瘤的发生。

miR-199b-5p抑制肿瘤的生长和转移

据报道,miR-199b-5p在包括肝细胞癌、肾细胞癌、乳腺癌和急性髓细胞性白血病等多种癌症中表达下调,且在肿瘤细胞的生长、侵袭和转移中发挥着肿瘤抑制功能。然而,miR-199b-5p在PCa中的临床意义和作用尚不清楚。


该研究旨在通过生物信息学分析、功能丧失和获得实验以及拯救rescue实验来研究miR-199b-5p在PCa中的表达状态以及在PCa的转移中涉及的相关分子机制。


研究人员发现,与正常的前列腺组织、局部性、弱转移性和雄激素依赖性PCa细胞以及正常的前列腺上皮细胞相比,miR-199b-5p在转移性PCa组织和细胞中的表达水平显著下调。miR-199b-5p能够显著抑制PCa细胞的增殖、迁移和侵袭,且能够抑制移植瘤的生长和转移。

在PCa中DDR1是miR-199b-5p的靶标

机制研究显示,miR-199b-5p可通过直接靶向DDR1的3'-UTR区抑制该基因的表达,最终抑制由DDR1激活ERK信号通路所诱导的上皮-间质转化(EMT)相关表型。进一步研究显示,miR-199b-5p表达水平低的PCa患者的总生存期显著短于表达水平高的PCa患者,说明miR-199b-5p的缺失与PCa患者的不良预后相关。此外,在PCa中DDR1的表达水平上调,且与疾病的高Gleason分级、晚期病理分期、肿瘤的转移以及较短的总生存期显著相关。


综上,该研究结果首次揭示了miR-199b-5p在PCa侵袭和转移中的抑癌功能。该研究也确定了miR-199b-5p-DDR1-ERK这一信号通路在PCa转移中调节EMT的新机制。


原始出处:

Zhao, Z., Zhao, S., Luo, L. et al. miR-199b-5p-DDR1-ERK signalling axis suppresses prostate cancer metastasis via inhibiting epithelial-mesenchymal transition. Br J Cancer (26 November 2020).

 

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    2021-09-14 chenlianhui
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    2021-01-07 smallant2002
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    2020-12-13 胎胎

    该研究也确定了miR-199b-5p-DDR1-ERK这一信号通路在PCa转移中调节EMT的新机制。

    0

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    2020-12-13 lfcmxl
  5. [GetPortalCommentsPageByObjectIdResponse(id=1752137, encodeId=4c201e52137a6, content=<a href='/topic/show?id=735669505d' target=_blank style='color:#2F92EE;'>#ERK#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6950, encryptionId=735669505d, topicName=ERK)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=5e8a36466835, createdName=chenlianhui, createdTime=Tue Sep 14 04:27:48 CST 2021, time=2021-09-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1930808, encodeId=981e1930808e3, content=<a href='/topic/show?id=22f61180211' target=_blank style='color:#2F92EE;'>#miR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11802, encryptionId=22f61180211, topicName=miR)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0a27288, createdName=smallant2002, createdTime=Thu Jan 07 21:27:48 CST 2021, time=2021-01-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=907533, encodeId=970790e533d8, content=该研究也确定了miR-199b-5p-DDR1-ERK这一信号通路在PCa转移中调节EMT的新机制。, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/SUJcTwXicljbKGJibCoQZE6Q4Qn5cogUOWth91eb3XIFk8sJ4IRn2a3W9WegJyEkwNMGcr1Hsxt9azlSQric4uPWg/132, createdBy=b9bd2355820, createdName=胎胎, createdTime=Sun Dec 13 10:00:47 CST 2020, time=2020-12-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1462138, encodeId=7a3c1462138ff, content=<a href='/topic/show?id=c6436e385a' target=_blank style='color:#2F92EE;'>#EMT#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=43, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6738, encryptionId=c6436e385a, topicName=EMT)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=1f216475172, createdName=lfcmxl, createdTime=Sun Dec 13 02:27:48 CST 2020, time=2020-12-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1539781, encodeId=4a2a1539e8121, content=<a href='/topic/show?id=c61a2e315da' target=_blank style='color:#2F92EE;'>#信号通路#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=27315, encryptionId=c61a2e315da, topicName=信号通路)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=8e886, createdName=仁者大医, createdTime=Sun Dec 13 02:27:48 CST 2020, time=2020-12-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1040905, encodeId=0cbc104090565, content=前列腺癌相关研究,学习了,谢谢梅斯, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=misszhang, createdTime=Fri Dec 11 14:27:48 CST 2020, time=2020-12-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=907043, encodeId=990690e0432b, content=可能目前miR-199b-5p在PCa中的临床意义和作用尚不清楚。<a href='/topic/show?id=c8ee32526f3' target=_blank style='color:#2F92EE;'>#前列腺癌#</a> , beContent=null, objectType=article, channel=null, level=null, likeNumber=141, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=32526, encryptionId=c8ee32526f3, topicName=前列腺癌)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20201120/5008534db22c474a844fbd107ff83af2/d3e20fc133b542208ff15e7f2b575329.jpg, createdBy=c7015311102, createdName=Jessie Zhang, createdTime=Fri Dec 11 14:06:40 CST 2020, time=2020-12-11, status=1, ipAttribution=)]
  6. [GetPortalCommentsPageByObjectIdResponse(id=1752137, encodeId=4c201e52137a6, content=<a href='/topic/show?id=735669505d' target=_blank style='color:#2F92EE;'>#ERK#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6950, encryptionId=735669505d, topicName=ERK)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=5e8a36466835, createdName=chenlianhui, createdTime=Tue Sep 14 04:27:48 CST 2021, time=2021-09-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1930808, encodeId=981e1930808e3, content=<a href='/topic/show?id=22f61180211' target=_blank style='color:#2F92EE;'>#miR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11802, encryptionId=22f61180211, topicName=miR)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0a27288, createdName=smallant2002, createdTime=Thu Jan 07 21:27:48 CST 2021, time=2021-01-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=907533, encodeId=970790e533d8, content=该研究也确定了miR-199b-5p-DDR1-ERK这一信号通路在PCa转移中调节EMT的新机制。, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/SUJcTwXicljbKGJibCoQZE6Q4Qn5cogUOWth91eb3XIFk8sJ4IRn2a3W9WegJyEkwNMGcr1Hsxt9azlSQric4uPWg/132, createdBy=b9bd2355820, createdName=胎胎, createdTime=Sun Dec 13 10:00:47 CST 2020, time=2020-12-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1462138, encodeId=7a3c1462138ff, content=<a href='/topic/show?id=c6436e385a' target=_blank style='color:#2F92EE;'>#EMT#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=43, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6738, encryptionId=c6436e385a, topicName=EMT)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=1f216475172, createdName=lfcmxl, createdTime=Sun Dec 13 02:27:48 CST 2020, time=2020-12-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1539781, encodeId=4a2a1539e8121, content=<a href='/topic/show?id=c61a2e315da' target=_blank style='color:#2F92EE;'>#信号通路#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=27315, encryptionId=c61a2e315da, topicName=信号通路)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=8e886, createdName=仁者大医, createdTime=Sun Dec 13 02:27:48 CST 2020, time=2020-12-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1040905, encodeId=0cbc104090565, content=前列腺癌相关研究,学习了,谢谢梅斯, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=misszhang, createdTime=Fri Dec 11 14:27:48 CST 2020, time=2020-12-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=907043, encodeId=990690e0432b, content=可能目前miR-199b-5p在PCa中的临床意义和作用尚不清楚。<a href='/topic/show?id=c8ee32526f3' target=_blank style='color:#2F92EE;'>#前列腺癌#</a> , beContent=null, objectType=article, channel=null, level=null, likeNumber=141, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=32526, encryptionId=c8ee32526f3, topicName=前列腺癌)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20201120/5008534db22c474a844fbd107ff83af2/d3e20fc133b542208ff15e7f2b575329.jpg, createdBy=c7015311102, createdName=Jessie Zhang, createdTime=Fri Dec 11 14:06:40 CST 2020, time=2020-12-11, status=1, ipAttribution=)]
    2020-12-11 misszhang

    前列腺癌相关研究,学习了,谢谢梅斯

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=1752137, encodeId=4c201e52137a6, content=<a href='/topic/show?id=735669505d' target=_blank style='color:#2F92EE;'>#ERK#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6950, encryptionId=735669505d, topicName=ERK)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=5e8a36466835, createdName=chenlianhui, createdTime=Tue Sep 14 04:27:48 CST 2021, time=2021-09-14, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1930808, encodeId=981e1930808e3, content=<a href='/topic/show?id=22f61180211' target=_blank style='color:#2F92EE;'>#miR#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=29, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=11802, encryptionId=22f61180211, topicName=miR)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0a27288, createdName=smallant2002, createdTime=Thu Jan 07 21:27:48 CST 2021, time=2021-01-07, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=907533, encodeId=970790e533d8, content=该研究也确定了miR-199b-5p-DDR1-ERK这一信号通路在PCa转移中调节EMT的新机制。, beContent=null, objectType=article, channel=null, level=null, likeNumber=84, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://thirdwx.qlogo.cn/mmopen/vi_32/SUJcTwXicljbKGJibCoQZE6Q4Qn5cogUOWth91eb3XIFk8sJ4IRn2a3W9WegJyEkwNMGcr1Hsxt9azlSQric4uPWg/132, createdBy=b9bd2355820, createdName=胎胎, createdTime=Sun Dec 13 10:00:47 CST 2020, time=2020-12-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1462138, encodeId=7a3c1462138ff, content=<a href='/topic/show?id=c6436e385a' target=_blank style='color:#2F92EE;'>#EMT#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=43, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=6738, encryptionId=c6436e385a, topicName=EMT)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=1f216475172, createdName=lfcmxl, createdTime=Sun Dec 13 02:27:48 CST 2020, time=2020-12-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1539781, encodeId=4a2a1539e8121, content=<a href='/topic/show?id=c61a2e315da' target=_blank style='color:#2F92EE;'>#信号通路#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=41, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=27315, encryptionId=c61a2e315da, topicName=信号通路)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=8e886, createdName=仁者大医, createdTime=Sun Dec 13 02:27:48 CST 2020, time=2020-12-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1040905, encodeId=0cbc104090565, content=前列腺癌相关研究,学习了,谢谢梅斯, beContent=null, objectType=article, channel=null, level=null, likeNumber=60, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=misszhang, createdTime=Fri Dec 11 14:27:48 CST 2020, time=2020-12-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=907043, encodeId=990690e0432b, content=可能目前miR-199b-5p在PCa中的临床意义和作用尚不清楚。<a href='/topic/show?id=c8ee32526f3' target=_blank style='color:#2F92EE;'>#前列腺癌#</a> , beContent=null, objectType=article, channel=null, level=null, likeNumber=141, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=32526, encryptionId=c8ee32526f3, topicName=前列腺癌)], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20201120/5008534db22c474a844fbd107ff83af2/d3e20fc133b542208ff15e7f2b575329.jpg, createdBy=c7015311102, createdName=Jessie Zhang, createdTime=Fri Dec 11 14:06:40 CST 2020, time=2020-12-11, status=1, ipAttribution=)]
    2020-12-11 Jessie Zhang

    可能目前miR-199b-5p在PCa中的临床意义和作用尚不清楚。#前列腺癌#

    0

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