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胰腺癌患者中miRNA表达与其预后的关系

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摘要 miRNA(microRNA)是一类由大小为18~25个核苷酸(nt)构成的非编码小分子RNA,广泛存在于真核生物中,具有高度遗传稳定性。miRNA主要作用于靶基因mRNA的3'UTR,使mRNA降解或抑制其翻译,从而在基因调控方面发挥作用。miRNA可多途径地调控细胞凋亡、肿瘤的发生和侵袭转移,进而影响肿瘤患者预后的评估。胰腺癌是一种病死率高、生存期短的消化系统恶性肿瘤,因其不易早期发现,手术困难,
出处 《中国医学工程》 2014年第5期188-188,190,共2页 China Medical Engineering
基金 湖南省科技计划项目(2012FJ3105)
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参考文献14

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