Mol Carcinogen:饿死黑色素瘤癌细胞解决耐药性?

2019-06-21 纪大乙 生物探索

Vemurafenib是BRAF V600E致癌基因下游丝裂原活化蛋白激酶信号通路的一种强效选择性抑制剂,对转移性黑色素瘤患者具有显著的临床效果。不幸的是,该药物的临床应用受限于高耐药性。因此,对Vemurafenib耐药性转移性黑色素瘤的替代治疗策略存在巨大的需求。

美国俄勒冈州科罗拉多州俄勒冈州立大学和俄勒冈健康与科学大学的研究结果表明,今年美国黑色素瘤新增病例10万例,预计将有7000多名黑色素瘤患者死亡。

男性比女性更容易患黑色素瘤;死亡率因种族和民族而异,在白人中最高。

黑色素瘤是最具侵袭性的癌症之一,患者因肿瘤转移或扩散到其他器官如肝脏、肺和大脑而死亡。另外,目前IV期转移性黑色素瘤的五年生存率低于50%。

Vemurafenib是BRAF V600E致癌基因下游丝裂原活化蛋白激酶信号通路的一种强效选择性抑制剂,对转移性黑色素瘤患者具有显著的临床效果。不幸的是,该药物的临床应用受限于高耐药性。因此,对Vemurafenib耐药性转移性黑色素瘤的替代治疗策略存在巨大的需求。

俄勒冈州立大学(Oregon State University)和俄勒冈健康与科学大学(Oregon Health&Science University-OHSU)的研究人员发现了一种可能对抗黑色素瘤耐药性的方法。相关研究发表在《Molecular Carcinogenesis》上。

在OSU的高通量筛选实验室,科学家们测试了近9000种化合物。他们发现,两种结构相似的化合物能干扰癌细胞的新陈代谢——鱼藤素和鱼藤酮。

进一步分析表明鱼藤素抑制了线粒体中的氧气消耗,有效地使细胞缺乏能量。

俄勒冈州立大学药学院副教授、OHSU奈特癌症研究所成员、俄勒冈州立大学莱纳斯鲍林研究所附属研究员Arup Indra说:”对转移性黑色素瘤进行代谢调节将是一个非常有吸引力的治疗选择。这种药物已经被认为是治疗其他类型癌症的药物,但它作为耐药转移性黑色素瘤的代谢调节剂的效用还没有被临床证明过。”

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  1. [GetPortalCommentsPageByObjectIdResponse(id=1680620, encodeId=5556168062096, content=<a href='/topic/show?id=9e5c86e0712' target=_blank style='color:#2F92EE;'>#色素#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, 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=Thu Apr 02 08:04:00 CST 2020, time=2020-04-02, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1773797, encodeId=83a41e73797de, content=<a href='/topic/show?id=5f014e1852' target=_blank style='color:#2F92EE;'>#CIN#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=34, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=4718, encryptionId=5f014e1852, topicName=CIN)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=a9a038523631, createdName=kalseyzl, createdTime=Thu Sep 26 07:04:00 CST 2019, time=2019-09-26, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1252611, encodeId=1328125261146, content=<a href='/topic/show?id=3efee1519b2' target=_blank style='color:#2F92EE;'>#癌细胞#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=0, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=71519, encryptionId=3efee1519b2, topicName=癌细胞)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=4cea26, createdName=yxch36, createdTime=Sun Jun 23 14:04:00 CST 2019, time=2019-06-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1558970, encodeId=076315589e0df, 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=33, 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 23 14:04:00 CST 2019, time=2019-06-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1564979, encodeId=49c715649e9eb, 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=29, 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 23 14:04:00 CST 2019, time=2019-06-23, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=368162, encodeId=4d59368162d4, content=收藏学习一下,看资料, beContent=null, objectType=article, channel=null, level=null, likeNumber=67, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mStl88fu4NdicLmdJEK9VoiaDianY6fzHNN9iaGv80m39pMHU3eSnNN0kn1o0rdQ7Bz2f03Qibcf1ia7rKvxIt4UVlErF2d4gCmDC5/0, createdBy=98e31740255, createdName=cqykthl, createdTime=Sat Jun 22 11:22:53 CST 2019, time=2019-06-22, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=368134, encodeId=444e368134b6, content=饿死肿瘤细胞的话题很久了, beContent=null, objectType=article, channel=null, level=null, likeNumber=64, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=43a21971117, createdName=njwbhuang, createdTime=Sat Jun 22 05:53:24 CST 2019, time=2019-06-22, status=1, ipAttribution=)]
    2020-04-02 sunylz
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    2019-09-26 kalseyzl
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    2019-06-23 yxch36
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    2019-06-22 cqykthl

    收藏学习一下,看资料

    0

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    2019-06-22 njwbhuang

    饿死肿瘤细胞的话题很久了

    0

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