Oncogene:前列腺癌细胞与骨细胞通过膜泡RNA交流的研究

2018-11-04 AlexYang MedSci原创

胞外囊泡(EVs)作为细胞之间交流的工具,在肿瘤和其微环境之间所起的作用研究较少,并且还是一个相对新的概念。科学的假设中指出,EVs在肿瘤产生远距离转移性微环境中具有重要作用,并且在前列腺癌中尤其如此,另外,在前列腺中,在骨组织中产生微环境尤其明显。EVs在PCa细胞和骨组织细胞,比如造骨细胞,之间的交流中所起的潜在作用还没有很好的阐释。最近,有研究人员阐释了PCa细胞EVs能够增强造骨细胞的生存

胞外囊泡(EVs)作为细胞之间交流的工具,在肿瘤和其微环境之间所起的作用研究较少,并且还是一个相对新的概念。科学的假设中指出,EVs在肿瘤产生远距离转移性微环境中具有重要作用,并且在前列腺癌中尤其如此,而且在前列腺癌中,骨组织中产生微环境尤其明显。EVs在PCa细胞和骨组织细胞,比如造骨细胞,之间的交流中所起的潜在作用到目前为止还没有很好的阐释。

最近,有研究人员阐释了PCa细胞EVs能够增强造骨细胞的生存能力,并且当EV处理的造骨细胞与PCa细胞共培养时,能产生有利于PCa细胞生长的微环境(p<0.005)。另外,通过对骨转移PCa细胞系PC3产生的EVs的RNA分析的鉴定,进一步明确了EV-RNA在与细胞表面信号、细胞互作和蛋白翻译有关基因中显著富集(p<0.01)。通过利用新的追踪RNA技术,研究人员阐释了一系列PCa-RNAs可以通过PCa-EVs传输到造骨细胞,并且还展现了对造骨细胞内源性转录丰度的影响。

最后,研究人员指出,通过概念验证研究,他们首次阐释了PCa EV的RNA组分的作用,支持了PCa EV通过RNA分子进行与骨组织之间的远距离交流的概念。另外,研究人员还指出,以RNA为靶点也许是转移性PCa预防治疗的一个新方法。

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    2019-05-07 智慧医人
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    2018-12-10 kafei

    学习了谢谢

    0

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    2018-12-05 执着追梦

    学习,谢谢分享

    0

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    2018-11-06 yxch36
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    2018-11-06 zsyan
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