Sci Rep:CDKN2A可以作为肌肉侵入性膀胱癌风险分层和治疗决定的转录组标记

2018-10-12 AlexYang MedSci原创

细胞周期控制基因CDKN2A的缺失被描述为侵入性膀胱癌的恶化标记,并且与成纤维细胞生长因子(FGFR3 )的变异有关。CDKN2A RNA表达在肌肉侵入性膀胱癌(MIBC )中的预后作用仍旧需要研究。最近,有研究人员在80名MIBC且经历根治性前列腺切除的患者中对CDKN2A和FGFR3的表达进行了qRT-PCR分析(测试组)。MDA组(n=8)和TCGA组(n=365)用于进行验证。研究发现,药

细胞周期控制基因CDKN2A的缺失被描述为侵入性膀胱癌的恶化标记,并且与成纤维细胞生长因子(FGFR3 )的变异有关。CDKN2A RNA表达在肌肉侵入性膀胱癌(MIBC )中的预后作用仍旧需要研究。

最近,有研究人员在80名MIBC且经历根治性前列腺切除的患者中对CDKN2A和FGFR3的表达进行了qRT-PCR分析(测试组)。MDA组(n=8)和TCGA组(n=365)用于进行验证。研究发现,药物靶标基因和TCGA分子亚型与CDKN2A表达相关。在测试组CDKN2Ahigh患者(n=8; 10.0%)中,与该组的剩余患者相比,他们具有时间显著更短的无复发(p=0.018)和疾病特异性生存(p=0.006)。研究人员在验证组中观察到了相似的分层情况(CDKN2Ahigh: n=7, 12.3%, p=0.001; n=46, 12.6%, p=0.011)。在TCGA组中,这些患者具有相对较低的药物靶基因表达。CDKN2A在TGCA分子亚型中具有显著不同的表达。71.7%的CDKN2Ahigh患者为TCGA基础鳞状上皮肿瘤,但是仍旧表现出了不同的分子特性。

最后,研究人员指出,基于CDKN2A RNA表达的MIBC风险分层可以鉴定到CDKN2Ahigh患者的不良预后和药物靶标基因的低表达。

原始出处:

Thomas S. Worst, Cleo-Aron Weis, Robert StÖhr et al. CDKN2A as transcriptomic marker for muscle-invasive bladder cancer risk stratification and therapy decision-making. Sci Rep. 26 Sep 2018.

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    2019-01-06 mjldent
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    2018-12-27 sjq027
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    2018-10-14 zhouqu_8

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