BRAIN:SRSF3的致癌作用

2020-12-31 MedSci原创 MedSci原创

目前,胶质母细胞瘤仍然是最致命的脑肿瘤,诊断后的生存期约为12-16个月。因此,仍迫切需要新的诊断策略,预后和治疗工具来防治胶质母细胞瘤。

目前,胶质母细胞瘤仍然是最致命的脑肿瘤,诊断后的生存期约为12-16个月。因此,仍迫切需要新的诊断策略,预后和治疗工具来防治胶质母细胞瘤。新兴证据表明,控制剪接过程(剪接体)的细胞机制在肿瘤中发生了改变,从而导致与肿瘤进展和侵袭性相关的致癌剪接事件。在这里,研究人员首次确定与健康的大脑对照样相比,在特征明确的人类高级星形细胞瘤(主要是胶质母细胞瘤)队列中相关剪接体成分和剪接因子(在mRNA和蛋白质水平)的表达中存在严重的失调。 SRSF3,RBM22,PTBP1和RBM3能够完美地区分肿瘤和对照样品,以及神经胶质瘤小鼠模型与对照样样品之间的神经样或间充质样肿瘤。在另外四个独立的人类队列中证实了该结果。 SRSF3,RBM22,PTBP1和RBM3沉默会降低体外的攻击性参数(例如增殖,迁移,肿瘤球形成等)并诱导凋亡,尤其是SRSF3。值得注意的是,SRSF3与患者生存率和相关的肿瘤标志物相关,其在体内的沉默可能通过涉及PDGFRB和相关致癌信号通路(PI3K-AKT / ERK)的分子/细胞机制,大大降低了肿瘤的发展和进程。涉及控制PDGFRB(即TP73)的特定转录因子的选择性剪接事件的显著改变。

本研究结果表明,胶质母细胞瘤中发生了与剪接机制相关的剧烈分子调控,这可能被认为是胶质母细胞瘤新的诊断和预后生物标志物以及治疗靶标的来源。值得注意的是,SRSF3与胶质母细胞瘤的发生,发展,侵略性和患者存活率直接相关,并且代表了解决这一破坏性病理的新的潜在治疗靶标。

原文出处:

Antonio C Fuentes-Fayos, Mari C Vázquez-Borrego, Juan M Jiménez-Vacas, Splicing machinery dysregulation drives glioblastoma development/aggressiveness: oncogenic role of SRSF3.

版权声明:
本网站所有内容来源注明为“梅斯医学”或“MedSci原创”的文字、图片和音视频资料,版权均属于梅斯医学所有。非经授权,任何媒体、网站或个人不得转载,授权转载时须注明来源为“梅斯医学”。其它来源的文章系转载文章,或“梅斯号”自媒体发布的文章,仅系出于传递更多信息之目的,本站仅负责审核内容合规,其内容不代表本站立场,本站不负责内容的准确性和版权。如果存在侵权、或不希望被转载的媒体或个人可与我们联系,我们将立即进行删除处理。
在此留言
评论区 (3)
#插入话题
  1. [GetPortalCommentsPageByObjectIdResponse(id=1967979, encodeId=f523196e979aa, content=<a href='/topic/show?id=51c91669428' target=_blank style='color:#2F92EE;'>#SRS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16694, encryptionId=51c91669428, topicName=SRS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6f63175, createdName=nian.wang1982, createdTime=Fri Sep 03 00:04:11 CST 2021, time=2021-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2071279, encodeId=d1f320e1279ac, content=<a href='/topic/show?id=e60b1669efb' target=_blank style='color:#2F92EE;'>#SRSF3#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16697, encryptionId=e60b1669efb, topicName=SRSF3)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=55f6293, createdName=lishizhe, createdTime=Sat May 01 00:04:11 CST 2021, time=2021-05-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1371018, encodeId=69ca13e1018c4, content=<a href='/topic/show?id=9c39864991e' target=_blank style='color:#2F92EE;'>#致癌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=86499, encryptionId=9c39864991e, topicName=致癌)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2c25323, createdName=jambiya, createdTime=Sat Jan 02 14:04:11 CST 2021, time=2021-01-02, status=1, ipAttribution=)]
    2021-09-03 nian.wang1982
  2. [GetPortalCommentsPageByObjectIdResponse(id=1967979, encodeId=f523196e979aa, content=<a href='/topic/show?id=51c91669428' target=_blank style='color:#2F92EE;'>#SRS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16694, encryptionId=51c91669428, topicName=SRS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6f63175, createdName=nian.wang1982, createdTime=Fri Sep 03 00:04:11 CST 2021, time=2021-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2071279, encodeId=d1f320e1279ac, content=<a href='/topic/show?id=e60b1669efb' target=_blank style='color:#2F92EE;'>#SRSF3#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16697, encryptionId=e60b1669efb, topicName=SRSF3)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=55f6293, createdName=lishizhe, createdTime=Sat May 01 00:04:11 CST 2021, time=2021-05-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1371018, encodeId=69ca13e1018c4, content=<a href='/topic/show?id=9c39864991e' target=_blank style='color:#2F92EE;'>#致癌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=86499, encryptionId=9c39864991e, topicName=致癌)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2c25323, createdName=jambiya, createdTime=Sat Jan 02 14:04:11 CST 2021, time=2021-01-02, status=1, ipAttribution=)]
    2021-05-01 lishizhe
  3. [GetPortalCommentsPageByObjectIdResponse(id=1967979, encodeId=f523196e979aa, content=<a href='/topic/show?id=51c91669428' target=_blank style='color:#2F92EE;'>#SRS#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16694, encryptionId=51c91669428, topicName=SRS)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6f63175, createdName=nian.wang1982, createdTime=Fri Sep 03 00:04:11 CST 2021, time=2021-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=2071279, encodeId=d1f320e1279ac, content=<a href='/topic/show?id=e60b1669efb' target=_blank style='color:#2F92EE;'>#SRSF3#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=24, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=16697, encryptionId=e60b1669efb, topicName=SRSF3)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=55f6293, createdName=lishizhe, createdTime=Sat May 01 00:04:11 CST 2021, time=2021-05-01, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1371018, encodeId=69ca13e1018c4, content=<a href='/topic/show?id=9c39864991e' target=_blank style='color:#2F92EE;'>#致癌#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=30, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=86499, encryptionId=9c39864991e, topicName=致癌)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=2c25323, createdName=jambiya, createdTime=Sat Jan 02 14:04:11 CST 2021, time=2021-01-02, status=1, ipAttribution=)]
    2021-01-02 jambiya

相关资讯

Sci Rep:维生素E在前列腺癌中的致癌作用研究

许多的基础研究和观察性研究表明了维生素E具有癌症预防活性,但是大规模的人类干预试验产出的结果却让人们很失望,实际结果表明了前列腺癌的发生率更高,并且潜在的增加风险的机制仍旧不清楚。最近,有研究人员通过体外和体内试验阐释了维生素E能够对致癌生物激活酶和助氧状态产生明显的影响,从而促进DNA损伤和细胞转化频率。首先,研究人员发现维生素E在人类前列腺上皮RWPE-1细胞系中具有明显上调各种阶段I细胞色素