JCB:糖尿病药物罗格列酮可打破卵巢癌的保护性壁垒

2016-12-04 MedSci MedSci原创

Rice大学的科学家们在Journal of Cellular Biochemistry杂志上发表文章指出,糖尿病药物可以瓦解肿瘤的保护性壁垒。我们体内的细胞和器官上有一层糖蛋白组成的保护性粘液。肿瘤可以操纵这些糖蛋白,帮助自己躲避化疗和免疫系统的攻击。研究人员发现,噻唑烷二酮类药物可以阻止这种糖蛋白的表达。“我们感兴趣的高分子量糖蛋白能吸收水分,覆盖并保护在细胞表面,” Rice大学的Danie

Rice大学的科学家们在Journal of Cellular Biochemistry杂志上发表文章指出,糖尿病药物可以瓦解肿瘤的保护性壁垒。

我们体内的细胞和器官上有一层糖蛋白组成的保护性粘液。肿瘤可以操纵这些糖蛋白,帮助自己躲避化疗和免疫系统的攻击。研究人员发现,噻唑烷二酮类药物可以阻止这种糖蛋白的表达。

“我们感兴趣的高分子量糖蛋白能吸收水分,覆盖并保护在细胞表面,” Rice大学的Daniel Carson说。“这些粘蛋白(mucin)排列在口腔、腺体和胃肠道,具有非常重要的保护性功能。”肿瘤将这些蛋白作为自己的表面屏障,使免疫细胞无法接触和杀伤癌细胞。如果能够减少患者的粘蛋白水平,宿主免疫系统也许就能杀死肿瘤。

研究人员分析了噻唑烷二酮类药物PPARγ罗格列酮(Rosiglitazone )对糖蛋白MUC16的影响,MUC16保护着乳腺癌卵巢癌细胞。“我们对MUC16特别感兴趣,因为它也称为CA125,是卵巢癌的经典标志物,” Carson说。女性血液中的CA125水平一般非常低,但卵巢癌细胞会释放CA125。

肿瘤微环境中有很多细胞因子。人们一直认为这些促炎症介质是好东西,因为它们可以增强抗肿瘤的免疫应答。但研究人员发现,它们也增强了肿瘤的保护性应答,提高了癌细胞的MUC16生产。研究显示,罗格列酮能干扰细胞因子的作用,关闭癌细胞的糖蛋白生产。

MUC16生产中止几天,癌细胞的保护性屏障就会被突破,免疫细胞就能开始摧毁肿瘤。不过,在用糖尿病药物治疗癌症之前还有很多问题需要解决。举例来说,罗格列酮只有在大剂量直接作用于肿瘤的时候才有效。

原始出处:


Micaela Morgado and Daniel D. Carson. PPARγ Modulation of Cytokine-Stimulated MUC16 (CA125) Expression in Breast and Ovarian Cancer-Derived Cells.JOURNAL OF CELLULAR BIOCHEMISTRY Volume 118, Issue 1, January 2017, Pages: 163–171

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    2016-12-05 thlabcde

    学习了好东西!

    0

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    2016-12-04 ren1mw

    太神奇啦!这是真的吗?

    0

  5. [GetPortalCommentsPageByObjectIdResponse(id=1479500, encodeId=c03214e950079, content=<a href='/topic/show?id=a48de96075d' target=_blank style='color:#2F92EE;'>#罗格列酮#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=79607, encryptionId=a48de96075d, topicName=罗格列酮)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0cf47536321, createdName=12498717m68(暂无昵称), createdTime=Tue Dec 06 01:59:00 CST 2016, time=2016-12-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1584080, encodeId=b492158408029, content=<a href='/topic/show?id=1f13e6767e9' target=_blank style='color:#2F92EE;'>#糖尿病药物#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76767, encryptionId=1f13e6767e9, topicName=糖尿病药物)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=5edb17003695, createdName=minhuang75_72521589, createdTime=Tue Dec 06 01:59:00 CST 2016, time=2016-12-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160481, encodeId=ff2b1604810c, content=学习了好东西!, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=92191944782, createdName=thlabcde, createdTime=Mon Dec 05 19:57:17 CST 2016, time=2016-12-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160189, encodeId=bd11160189a9, content=太神奇啦!这是真的吗?, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160916/IMG57DBEDBBA66BD2947.jpg, createdBy=3b181951777, createdName=ren1mw, createdTime=Sun Dec 04 12:59:54 CST 2016, time=2016-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160183, encodeId=f290160183b0, content=学习了,很好!, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=387d1660055, createdName=dhzzm, createdTime=Sun Dec 04 12:08:40 CST 2016, time=2016-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160182, encodeId=177b16018237, content=学习中…………, beContent=null, objectType=article, channel=null, level=null, likeNumber=71, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20161126/IMG5838DBFDE7ED75013.jpg, createdBy=01ac1975851, createdName=现在, createdTime=Sun Dec 04 12:00:11 CST 2016, time=2016-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160174, encodeId=16451601e421, content=继续学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzfPkmqRTH5rHib5mcib8Wb3QdXjhfOK1UubQL2lictjJFdFJ6Lc3cnnCOSWqxXZ4Kk6y5GdzDoy764R/0, createdBy=156e1644785, createdName=doctorJiangchao, createdTime=Sun Dec 04 11:22:43 CST 2016, time=2016-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160173, encodeId=e1311601e39f, content=继续关注, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzfPkmqRTH5rHib5mcib8Wb3QdXjhfOK1UubQL2lictjJFdFJ6Lc3cnnCOSWqxXZ4Kk6y5GdzDoy764R/0, createdBy=156e1644785, createdName=doctorJiangchao, createdTime=Sun Dec 04 11:22:37 CST 2016, time=2016-12-04, status=1, ipAttribution=)]
    2016-12-04 dhzzm

    学习了,很好!

    0

  6. [GetPortalCommentsPageByObjectIdResponse(id=1479500, encodeId=c03214e950079, content=<a href='/topic/show?id=a48de96075d' target=_blank style='color:#2F92EE;'>#罗格列酮#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=79607, encryptionId=a48de96075d, topicName=罗格列酮)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0cf47536321, createdName=12498717m68(暂无昵称), createdTime=Tue Dec 06 01:59:00 CST 2016, time=2016-12-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1584080, encodeId=b492158408029, content=<a href='/topic/show?id=1f13e6767e9' target=_blank style='color:#2F92EE;'>#糖尿病药物#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76767, encryptionId=1f13e6767e9, topicName=糖尿病药物)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=5edb17003695, createdName=minhuang75_72521589, createdTime=Tue Dec 06 01:59:00 CST 2016, time=2016-12-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160481, encodeId=ff2b1604810c, content=学习了好东西!, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=92191944782, createdName=thlabcde, createdTime=Mon Dec 05 19:57:17 CST 2016, time=2016-12-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160189, encodeId=bd11160189a9, content=太神奇啦!这是真的吗?, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160916/IMG57DBEDBBA66BD2947.jpg, createdBy=3b181951777, createdName=ren1mw, createdTime=Sun Dec 04 12:59:54 CST 2016, time=2016-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160183, encodeId=f290160183b0, content=学习了,很好!, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=387d1660055, createdName=dhzzm, createdTime=Sun Dec 04 12:08:40 CST 2016, time=2016-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160182, encodeId=177b16018237, content=学习中…………, beContent=null, objectType=article, channel=null, level=null, likeNumber=71, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20161126/IMG5838DBFDE7ED75013.jpg, createdBy=01ac1975851, createdName=现在, createdTime=Sun Dec 04 12:00:11 CST 2016, time=2016-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160174, encodeId=16451601e421, content=继续学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzfPkmqRTH5rHib5mcib8Wb3QdXjhfOK1UubQL2lictjJFdFJ6Lc3cnnCOSWqxXZ4Kk6y5GdzDoy764R/0, createdBy=156e1644785, createdName=doctorJiangchao, createdTime=Sun Dec 04 11:22:43 CST 2016, time=2016-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160173, encodeId=e1311601e39f, content=继续关注, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzfPkmqRTH5rHib5mcib8Wb3QdXjhfOK1UubQL2lictjJFdFJ6Lc3cnnCOSWqxXZ4Kk6y5GdzDoy764R/0, createdBy=156e1644785, createdName=doctorJiangchao, createdTime=Sun Dec 04 11:22:37 CST 2016, time=2016-12-04, status=1, ipAttribution=)]
    2016-12-04 现在

    学习中…………

    0

  7. [GetPortalCommentsPageByObjectIdResponse(id=1479500, encodeId=c03214e950079, content=<a href='/topic/show?id=a48de96075d' target=_blank style='color:#2F92EE;'>#罗格列酮#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=79607, encryptionId=a48de96075d, topicName=罗格列酮)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0cf47536321, createdName=12498717m68(暂无昵称), createdTime=Tue Dec 06 01:59:00 CST 2016, time=2016-12-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1584080, encodeId=b492158408029, content=<a href='/topic/show?id=1f13e6767e9' target=_blank style='color:#2F92EE;'>#糖尿病药物#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76767, encryptionId=1f13e6767e9, topicName=糖尿病药物)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=5edb17003695, createdName=minhuang75_72521589, createdTime=Tue Dec 06 01:59:00 CST 2016, time=2016-12-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160481, encodeId=ff2b1604810c, content=学习了好东西!, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=92191944782, createdName=thlabcde, createdTime=Mon Dec 05 19:57:17 CST 2016, time=2016-12-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160189, encodeId=bd11160189a9, content=太神奇啦!这是真的吗?, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160916/IMG57DBEDBBA66BD2947.jpg, createdBy=3b181951777, createdName=ren1mw, createdTime=Sun Dec 04 12:59:54 CST 2016, time=2016-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160183, encodeId=f290160183b0, content=学习了,很好!, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=387d1660055, createdName=dhzzm, createdTime=Sun Dec 04 12:08:40 CST 2016, time=2016-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160182, encodeId=177b16018237, content=学习中…………, beContent=null, objectType=article, channel=null, level=null, likeNumber=71, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20161126/IMG5838DBFDE7ED75013.jpg, createdBy=01ac1975851, createdName=现在, createdTime=Sun Dec 04 12:00:11 CST 2016, time=2016-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160174, encodeId=16451601e421, content=继续学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzfPkmqRTH5rHib5mcib8Wb3QdXjhfOK1UubQL2lictjJFdFJ6Lc3cnnCOSWqxXZ4Kk6y5GdzDoy764R/0, createdBy=156e1644785, createdName=doctorJiangchao, createdTime=Sun Dec 04 11:22:43 CST 2016, time=2016-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160173, encodeId=e1311601e39f, content=继续关注, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzfPkmqRTH5rHib5mcib8Wb3QdXjhfOK1UubQL2lictjJFdFJ6Lc3cnnCOSWqxXZ4Kk6y5GdzDoy764R/0, createdBy=156e1644785, createdName=doctorJiangchao, createdTime=Sun Dec 04 11:22:37 CST 2016, time=2016-12-04, status=1, ipAttribution=)]
    2016-12-04 doctorJiangchao

    继续学习

    0

  8. [GetPortalCommentsPageByObjectIdResponse(id=1479500, encodeId=c03214e950079, content=<a href='/topic/show?id=a48de96075d' target=_blank style='color:#2F92EE;'>#罗格列酮#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=47, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=79607, encryptionId=a48de96075d, topicName=罗格列酮)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=0cf47536321, createdName=12498717m68(暂无昵称), createdTime=Tue Dec 06 01:59:00 CST 2016, time=2016-12-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1584080, encodeId=b492158408029, content=<a href='/topic/show?id=1f13e6767e9' target=_blank style='color:#2F92EE;'>#糖尿病药物#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=38, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=76767, encryptionId=1f13e6767e9, topicName=糖尿病药物)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=5edb17003695, createdName=minhuang75_72521589, createdTime=Tue Dec 06 01:59:00 CST 2016, time=2016-12-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160481, encodeId=ff2b1604810c, content=学习了好东西!, beContent=null, objectType=article, channel=null, level=null, likeNumber=78, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=92191944782, createdName=thlabcde, createdTime=Mon Dec 05 19:57:17 CST 2016, time=2016-12-05, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160189, encodeId=bd11160189a9, content=太神奇啦!这是真的吗?, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20160916/IMG57DBEDBBA66BD2947.jpg, createdBy=3b181951777, createdName=ren1mw, createdTime=Sun Dec 04 12:59:54 CST 2016, time=2016-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160183, encodeId=f290160183b0, content=学习了,很好!, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=387d1660055, createdName=dhzzm, createdTime=Sun Dec 04 12:08:40 CST 2016, time=2016-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160182, encodeId=177b16018237, content=学习中…………, beContent=null, objectType=article, channel=null, level=null, likeNumber=71, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://cacheapi.medsci.cn/resource/upload/20161126/IMG5838DBFDE7ED75013.jpg, createdBy=01ac1975851, createdName=现在, createdTime=Sun Dec 04 12:00:11 CST 2016, time=2016-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160174, encodeId=16451601e421, content=继续学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=66, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzfPkmqRTH5rHib5mcib8Wb3QdXjhfOK1UubQL2lictjJFdFJ6Lc3cnnCOSWqxXZ4Kk6y5GdzDoy764R/0, createdBy=156e1644785, createdName=doctorJiangchao, createdTime=Sun Dec 04 11:22:43 CST 2016, time=2016-12-04, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=160173, encodeId=e1311601e39f, content=继续关注, beContent=null, objectType=article, channel=null, level=null, likeNumber=35, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/jW482SpianMayicTRbRZ5RzfPkmqRTH5rHib5mcib8Wb3QdXjhfOK1UubQL2lictjJFdFJ6Lc3cnnCOSWqxXZ4Kk6y5GdzDoy764R/0, createdBy=156e1644785, createdName=doctorJiangchao, createdTime=Sun Dec 04 11:22:37 CST 2016, time=2016-12-04, status=1, ipAttribution=)]
    2016-12-04 doctorJiangchao

    继续关注

    0

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