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Nat Commun:紫外线照射诱导胶原蛋白的降解并抑制黑色素瘤的侵袭作用

2021-06-12 xiaozeng MedSci原创

紫外线照射(UVR)是黑色素瘤发生发展的一大环境风险因素,而暴露于阳光照射下是导致疾病发病率升高的主要原因。

紫外线照射(UVR)是黑色素瘤发生发展的一大环境风险因素,而暴露于阳光照射下是导致疾病发病率升高的主要原因。

虽然目前已充分证实UVR与黑色素瘤发病率之间的相关性,但阳光照射或阳光对皮肤的损伤与黑色素瘤患者的存活率的相关性目前仍有争议。

既往研究显示,细胞外基质(ECM)中的胶原蛋白数量会改变黑色素瘤细胞的行为。令人惊讶的是,胶原蛋白沉积的增加与减少均与肿瘤的恶性行为相关。


在该研究中,研究人员旨在探究UVR如何影响皮肤成纤维细胞的功能、细胞外基质(ECM)以及黑色素瘤的浸润。研究人员证实,在紫外线损伤的成纤维细胞中,胶原蛋白COL1A1剪切相关的MMP1(基质金属蛋白1)的表达持续上调,MMP1通过降解COL1A1减少局部COL1A1的水平,最终减弱黑色素瘤的侵袭作用。

UVR驱动的突变与ECM的降解以及胶原蛋白酶的表达相关

相反,抑制ECM的降解和MMP1的表达水平可恢复黑色素瘤的侵袭能力。研究人员发现,老年原发性皮肤黑色素瘤患者显示出更多的癌细胞侵袭作用,由于与黑色素瘤侵袭性相关的前沿单细胞表达并沉积了更多的胶原蛋白,因此,胶原蛋白和单个黑色素瘤细胞的侵袭能力是黑色素瘤特异性预后不良的有力预测指标。


进一步的研究也验证了该结果,发生在胶原蛋白降解的皮肤上的原发性黑色素瘤的浸润减少,并可提高患者的生存率。然而,黑色素瘤相关的成纤维细胞可通过增加胶原蛋白的合成来恢复癌细胞的侵袭作用。

在老年患者中低胶原蛋白水平与低侵袭性和预后的改善相关

总而言之,该研究结果揭示,COL1A1高表达水平是一系列原发性癌症的一个预后不良相关的生物标志物。


原始出处:

Budden, T., Gaudy-Marqueste, C., Porter, A. et al. Ultraviolet light-induced collagen degradation inhibits melanoma invasion. Nat Commun 12, 2742 (12 May 2021).

 

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    2021-06-30 liuli5079
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    2021-12-30 liye789132251
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    2022-04-05 sunylz
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  6. [GetPortalCommentsPageByObjectIdResponse(id=2088027, encodeId=fb1b208802e74, content=<a href='/topic/show?id=490750196b' target=_blank style='color:#2F92EE;'>#COMMUN#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=92, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5019, encryptionId=490750196b, topicName=COMMUN)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7931272, createdName=liuli5079, createdTime=Wed Jun 30 04:16:57 CST 2021, time=2021-06-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1885226, encodeId=75c81885226e2, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Thu Dec 30 03:16:57 CST 2021, time=2021-12-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1680732, encodeId=8ed71680e321c, content=<a href='/topic/show?id=9e5c86e0712' target=_blank style='color:#2F92EE;'>#色素#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=86707, encryptionId=9e5c86e0712, topicName=色素)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=343027846633, createdName=sunylz, createdTime=Tue Apr 05 20:16:57 CST 2022, time=2022-04-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1485725, encodeId=d13a1485e2522, content=<a href='/topic/show?id=8f0c840392a' target=_blank style='color:#2F92EE;'>#胶原蛋白#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=84039, encryptionId=8f0c840392a, topicName=胶原蛋白)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=11fc8038511, createdName=12498e5fm14(暂无昵称), createdTime=Sun Jun 13 15:16:57 CST 2021, time=2021-06-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1559065, encodeId=ee0f15590651d, content=<a href='/topic/show?id=e27610332666' target=_blank style='color:#2F92EE;'>#黑色素#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=103326, encryptionId=e27610332666, topicName=黑色素)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=150614999302, createdName=cqlidoudou, createdTime=Sun Jun 13 15:16:57 CST 2021, time=2021-06-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1565074, encodeId=f9bc15650e414, content=<a href='/topic/show?id=e27610332666' target=_blank style='color:#2F92EE;'>#黑色素#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=103326, encryptionId=e27610332666, topicName=黑色素)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=150614999302, createdName=cqlidoudou, createdTime=Sun Jun 13 15:16:57 CST 2021, time=2021-06-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=973027, encodeId=a94b9e3027b3, content=学习了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=90, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=89725516981, createdName=Ethan Feng, createdTime=Sat Jun 12 11:11:34 CST 2021, time=2021-06-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=973017, encodeId=c5d39e301786, content=紫外线照射诱导胶原蛋白降解, beContent=null, objectType=article, channel=null, level=null, likeNumber=91, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210612/76e88176ca2946538839a4d383a3dcc8/5a52347d141a4ad5a187c86e0f2f20ec.jpg, createdBy=651b4776072, createdName=changgui_7, createdTime=Sat Jun 12 10:38:36 CST 2021, time=2021-06-12, status=1, ipAttribution=)]
  7. [GetPortalCommentsPageByObjectIdResponse(id=2088027, encodeId=fb1b208802e74, content=<a href='/topic/show?id=490750196b' target=_blank style='color:#2F92EE;'>#COMMUN#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=92, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5019, encryptionId=490750196b, topicName=COMMUN)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7931272, createdName=liuli5079, createdTime=Wed Jun 30 04:16:57 CST 2021, time=2021-06-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1885226, encodeId=75c81885226e2, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Thu Dec 30 03:16:57 CST 2021, time=2021-12-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1680732, encodeId=8ed71680e321c, content=<a href='/topic/show?id=9e5c86e0712' target=_blank style='color:#2F92EE;'>#色素#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=86707, encryptionId=9e5c86e0712, topicName=色素)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=343027846633, createdName=sunylz, createdTime=Tue Apr 05 20:16:57 CST 2022, time=2022-04-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1485725, encodeId=d13a1485e2522, content=<a href='/topic/show?id=8f0c840392a' target=_blank style='color:#2F92EE;'>#胶原蛋白#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=84039, encryptionId=8f0c840392a, topicName=胶原蛋白)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=11fc8038511, createdName=12498e5fm14(暂无昵称), createdTime=Sun Jun 13 15:16:57 CST 2021, time=2021-06-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1559065, encodeId=ee0f15590651d, content=<a href='/topic/show?id=e27610332666' target=_blank style='color:#2F92EE;'>#黑色素#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=103326, encryptionId=e27610332666, topicName=黑色素)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=150614999302, createdName=cqlidoudou, createdTime=Sun Jun 13 15:16:57 CST 2021, time=2021-06-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1565074, encodeId=f9bc15650e414, content=<a href='/topic/show?id=e27610332666' target=_blank style='color:#2F92EE;'>#黑色素#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=103326, encryptionId=e27610332666, topicName=黑色素)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=150614999302, createdName=cqlidoudou, createdTime=Sun Jun 13 15:16:57 CST 2021, time=2021-06-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=973027, encodeId=a94b9e3027b3, content=学习了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=90, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=89725516981, createdName=Ethan Feng, createdTime=Sat Jun 12 11:11:34 CST 2021, time=2021-06-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=973017, encodeId=c5d39e301786, content=紫外线照射诱导胶原蛋白降解, beContent=null, objectType=article, channel=null, level=null, likeNumber=91, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210612/76e88176ca2946538839a4d383a3dcc8/5a52347d141a4ad5a187c86e0f2f20ec.jpg, createdBy=651b4776072, createdName=changgui_7, createdTime=Sat Jun 12 10:38:36 CST 2021, time=2021-06-12, status=1, ipAttribution=)]
    2021-06-12 Ethan Feng

    学习了!

    0

  8. [GetPortalCommentsPageByObjectIdResponse(id=2088027, encodeId=fb1b208802e74, content=<a href='/topic/show?id=490750196b' target=_blank style='color:#2F92EE;'>#COMMUN#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=92, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=5019, encryptionId=490750196b, topicName=COMMUN)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=7931272, createdName=liuli5079, createdTime=Wed Jun 30 04:16:57 CST 2021, time=2021-06-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1885226, encodeId=75c81885226e2, content=<a href='/topic/show?id=3b2112532d8' target=_blank style='color:#2F92EE;'>#Nat#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=12532, encryptionId=3b2112532d8, topicName=Nat)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2e6f107, createdName=liye789132251, createdTime=Thu Dec 30 03:16:57 CST 2021, time=2021-12-30, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1680732, encodeId=8ed71680e321c, content=<a href='/topic/show?id=9e5c86e0712' target=_blank style='color:#2F92EE;'>#色素#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=86707, encryptionId=9e5c86e0712, topicName=色素)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=343027846633, createdName=sunylz, createdTime=Tue Apr 05 20:16:57 CST 2022, time=2022-04-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1485725, encodeId=d13a1485e2522, content=<a href='/topic/show?id=8f0c840392a' target=_blank style='color:#2F92EE;'>#胶原蛋白#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=79, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=84039, encryptionId=8f0c840392a, topicName=胶原蛋白)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=11fc8038511, createdName=12498e5fm14(暂无昵称), createdTime=Sun Jun 13 15:16:57 CST 2021, time=2021-06-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1559065, encodeId=ee0f15590651d, content=<a href='/topic/show?id=e27610332666' target=_blank style='color:#2F92EE;'>#黑色素#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=103326, encryptionId=e27610332666, topicName=黑色素)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=150614999302, createdName=cqlidoudou, createdTime=Sun Jun 13 15:16:57 CST 2021, time=2021-06-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1565074, encodeId=f9bc15650e414, content=<a href='/topic/show?id=e27610332666' target=_blank style='color:#2F92EE;'>#黑色素#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=59, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=103326, encryptionId=e27610332666, topicName=黑色素)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=150614999302, createdName=cqlidoudou, createdTime=Sun Jun 13 15:16:57 CST 2021, time=2021-06-13, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=973027, encodeId=a94b9e3027b3, content=学习了!, beContent=null, objectType=article, channel=null, level=null, likeNumber=90, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=89725516981, createdName=Ethan Feng, createdTime=Sat Jun 12 11:11:34 CST 2021, time=2021-06-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=973017, encodeId=c5d39e301786, content=紫外线照射诱导胶原蛋白降解, beContent=null, objectType=article, channel=null, level=null, likeNumber=91, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://img.medsci.cn/20210612/76e88176ca2946538839a4d383a3dcc8/5a52347d141a4ad5a187c86e0f2f20ec.jpg, createdBy=651b4776072, createdName=changgui_7, createdTime=Sat Jun 12 10:38:36 CST 2021, time=2021-06-12, status=1, ipAttribution=)]
    2021-06-12 changgui_7

    紫外线照射诱导胶原蛋白降解

    0

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派姆单抗辅助治疗显著提高了晚期黑色素瘤患者的无远处复发存活率

SCIENCE:粪便微生物群移植可能有助于消除黑色素瘤患者对免疫治疗的耐药性

FMT可能有助于对晚期黑色素瘤患者的肠道微生物群进行重新编程,这可能中和对抗PD-1免疫治疗耐药性。

Eur J Cancer:局部治疗在黑色素瘤免疫治疗出现孤立性转移时的作用:多中心回顾性研究

对于晚期黑色素瘤患者,免疫治疗有应答并且在治疗后出现孤立转移时,局部治疗可让患者取得长期的临床获益。

Nat Commun:出乎意料,紫外线可以抑制黑色素瘤侵袭 

黑色素瘤的发病率和死亡率在60岁后急剧上升,然后在85岁后明显下降,这表明累积紫外线照射、皮肤损伤、年龄和黑色素瘤死亡之间的关系不是线性的。

Eur J Cancer:不符合临床研究标准的实体恶性肿瘤患者一线免疫治疗的疗效评估

该研究表明真实世界中大约三分之一患者不符合免疫治疗临床试验的入组标准,虽然不符合研究标准的患者一线应用免疫治疗能够得到约三分之一的应答,但是总体疗效差于符合研究标准的患者。

Br J Cancer:体育活动、握力和久坐行为与恶性黑色素瘤发病风险之间的相关性研究

体育活动是预防各种癌症风险的一种保护因素,最有力的证据表现在结肠癌和乳腺癌的预防上。

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