CLIN CANCER RES:Notch信号功能丧失促进头颈部癌发生

2018-12-22 MedSci MedSci原创

头颈部鳞状细胞癌(HNSCC)是世界范围内常见的癌症,其发病与烟草使用,大量酒精摄入和高危人乳头瘤病毒(HPV)有关。Notch信号通路与细胞分化有关,涉及不同的下游靶标,根据组织类型及分期产生不同影响。NOTCH1是HPV阳性和HPV阴性头颈部鳞状细胞癌中最常见的突变基因之一。有研究认为这些突变会使Notch的功能失活,其他研究则有相反看法,认为在头颈部鳞状细胞癌中Notch信号传导增加。CLI

头颈部鳞状细胞癌(HNSCC)是世界范围内常见的癌症,其发病与烟草使用,大量酒精摄入和高危人乳头瘤病毒(HPV)有关。Notch信号通路与细胞分化有关,涉及不同的下游靶标,根据组织类型及分期产生不同影响。NOTCH1是HPV阳性和HPV阴性头颈部鳞状细胞癌中最常见的突变基因之一。有研究认为这些突变会使Notch的功能失活,其他研究则有相反看法,认为在头颈部鳞状细胞癌中Notch信号传导增加。CLIN CANCER RES近期发表了一篇文章,进一步明确这一问题。

作者利用基因工程小鼠(GEM)模型评估Notch信号在HPV阳性和HPV阴性头颈部鳞状细胞癌中的作用,模型中表达HPV16 E6和E7癌蛋白或获得功能的p53突变体,并且通过表达失活形式的MAML1(DNMAML1)(Notch信号传导的所需转录共激活因子)来灭活经典Notch信号传导。研究结果表明,经典Notch信号传导的丧失增加了肿瘤发生,并且还导致核β-连环蛋白的增加,核β-连环蛋白是致瘤潜力的标志物。其与经典Notch信号传导丧失相结合时,HPV癌基因导致癌症总体发病率最高,并且分化程度差的癌症数量最多。

文章最后认为,这些研究结果明确了经典Notch信号丢失对头颈癌发生的影响。

原始出处:

Patrick E. Nyman, Darya Buehler, et al. Loss of Function of Canonical Notch Signaling Drives Head and Neck Carcinogenesis. CLIN CANCER RES. December 2018 doi: 10.1158/1078-0432.CCR-17-3535

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    2018-12-24 karmond
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    2018-12-24 ymljack
  5. [GetPortalCommentsPageByObjectIdResponse(id=2068316, encodeId=a1b6206831629, content=<a href='/topic/show?id=90b8129e7bd' target=_blank style='color:#2F92EE;'>#Notch信号#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12977, encryptionId=90b8129e7bd, topicName=Notch信号)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f49517, createdName=xinmeili, createdTime=Tue Mar 12 04:38:00 CST 2019, time=2019-03-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1674707, encodeId=97cc16e4707ab, content=<a href='/topic/show?id=b1644442913' target=_blank style='color:#2F92EE;'>#头颈部癌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=44429, encryptionId=b1644442913, topicName=头颈部癌)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=039a27091165, createdName=wangtianj2016@, createdTime=Thu Oct 17 01:38:00 CST 2019, time=2019-10-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1373777, encodeId=da0a13e37776b, content=<a href='/topic/show?id=eb3b129e01d' target=_blank style='color:#2F92EE;'>#Notch#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12970, encryptionId=eb3b129e01d, topicName=Notch)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=ece5364, createdName=karmond, createdTime=Mon Dec 24 01:38:00 CST 2018, time=2018-12-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1487470, encodeId=4a93148e4706a, content=<a href='/topic/show?id=ba951352387' target=_blank style='color:#2F92EE;'>#OTC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13523, encryptionId=ba951352387, topicName=OTC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b36f8313624, createdName=ymljack, createdTime=Mon Dec 24 01:38:00 CST 2018, time=2018-12-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1491838, encodeId=8ff11491838de, content=<a href='/topic/show?id=b4f14442346' target=_blank style='color:#2F92EE;'>#头颈部#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=44423, encryptionId=b4f14442346, topicName=头颈部)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=0b2d8903151, createdName=wshxjq, createdTime=Mon Dec 24 01:38:00 CST 2018, time=2018-12-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1589789, encodeId=47881589e8970, content=<a href='/topic/show?id=124d10065220' target=_blank style='color:#2F92EE;'>#颈部#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=100652, encryptionId=124d10065220, topicName=颈部)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c46a17776631, createdName=木头人519, createdTime=Mon Dec 24 01:38:00 CST 2018, time=2018-12-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=356091, encodeId=6df8356091af, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=82311653708, createdName=医者仁心5538, createdTime=Sat Dec 22 12:14:05 CST 2018, time=2018-12-22, status=1, ipAttribution=)]
    2018-12-24 wshxjq
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  7. [GetPortalCommentsPageByObjectIdResponse(id=2068316, encodeId=a1b6206831629, content=<a href='/topic/show?id=90b8129e7bd' target=_blank style='color:#2F92EE;'>#Notch信号#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=36, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12977, encryptionId=90b8129e7bd, topicName=Notch信号)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=f49517, createdName=xinmeili, createdTime=Tue Mar 12 04:38:00 CST 2019, time=2019-03-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1674707, encodeId=97cc16e4707ab, content=<a href='/topic/show?id=b1644442913' target=_blank style='color:#2F92EE;'>#头颈部癌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=39, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=44429, encryptionId=b1644442913, topicName=头颈部癌)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=039a27091165, createdName=wangtianj2016@, createdTime=Thu Oct 17 01:38:00 CST 2019, time=2019-10-17, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1373777, encodeId=da0a13e37776b, content=<a href='/topic/show?id=eb3b129e01d' target=_blank style='color:#2F92EE;'>#Notch#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=31, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12970, encryptionId=eb3b129e01d, topicName=Notch)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=ece5364, createdName=karmond, createdTime=Mon Dec 24 01:38:00 CST 2018, time=2018-12-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1487470, encodeId=4a93148e4706a, content=<a href='/topic/show?id=ba951352387' target=_blank style='color:#2F92EE;'>#OTC#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=37, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=13523, encryptionId=ba951352387, topicName=OTC)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=b36f8313624, createdName=ymljack, createdTime=Mon Dec 24 01:38:00 CST 2018, time=2018-12-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1491838, encodeId=8ff11491838de, content=<a href='/topic/show?id=b4f14442346' target=_blank style='color:#2F92EE;'>#头颈部#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=40, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=44423, encryptionId=b4f14442346, topicName=头颈部)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=0b2d8903151, createdName=wshxjq, createdTime=Mon Dec 24 01:38:00 CST 2018, time=2018-12-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1589789, encodeId=47881589e8970, content=<a href='/topic/show?id=124d10065220' target=_blank style='color:#2F92EE;'>#颈部#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=26, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=100652, encryptionId=124d10065220, topicName=颈部)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=c46a17776631, createdName=木头人519, createdTime=Mon Dec 24 01:38:00 CST 2018, time=2018-12-24, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=356091, encodeId=6df8356091af, content=学习了, beContent=null, objectType=article, channel=null, level=null, likeNumber=55, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=82311653708, createdName=医者仁心5538, createdTime=Sat Dec 22 12:14:05 CST 2018, time=2018-12-22, status=1, ipAttribution=)]
    2018-12-22 医者仁心5538

    学习了

    0

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