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               ·1454 ·                           南 京    医 科 大 学 学         报                        2023年10月


              3.2.4  piR⁃1245                                       (piRNAs)and cancer:emerging biological concepts and
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              率呈正相关。在结直肠癌细胞中,抑制piR⁃1245可                        [4] LU S H,WANG T,ZHANG G,et al. Understanding the
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              死和凋亡。piR⁃1245 影响癌症相关基因,通过抑制
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              几种肿瘤抑制基因的RNA水平发挥致癌作用,包括
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              激活转录因子3(ATF3)等在内的9个功能相关的癌                              Acids,2020,21:108-120
              症基因   [29] 。结直肠癌患者预后不良与 piR⁃1245 表                [6] LITWIN M,SZCZEPANSKA⁃BUDA A,PIOTROWSKA
              达上调有关,piR⁃1245 高表达患者的总生存期较                             A,et al. The meaning of PIWI proteins in cancer develop⁃
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                  综上所述,piRNA 在结直肠癌组织与血清中异
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              常表达,提示piRNA 可能调控了结直肠癌的发生发
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              为 piRNA 为结直肠癌诊断与预后提供了新的可                               chem,2015,84:405-433
              能。但总的来说,目前对这些piRNA 在结直肠癌中                         [10] HUANG S Q,YOSHITAKE K,ASAKAWA S. A review of
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              断和预后生物标志物的价值会得到全面和更深入
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