Oncol Lett:MicroRNA-425在鼻咽癌中表达下调且能够调控肿瘤细胞生存和浸润

2018-04-09 AlexYang MedSci原创

鼻咽癌(NPC)起源于鼻咽上皮,在南亚中最为常见,尤其是在中国的南方。到目前为止,许多类型的microRNAs已经被阐释,说明它们在NPC的恶化和发展过程中具有关键的作用。之前有报道指出,miR425在人类许多癌症中,包括肺癌、胃癌、子宫癌、乳腺癌和前列腺癌中经常出现表达的异常。然而,到目前为止,miR-425在NPC中的表达模式、功能和潜在的机制还没有阐明。最近,有研究人员发现,miR-425在

鼻咽癌(NPC)起源于鼻咽上皮,在南亚中最为常见,尤其是在中国的南方。到目前为止,许多类型的microRNAs已经被阐释,说明它们在NPC的恶化和发展过程中具有关键的作用。之前有报道指出,miR425在人类许多癌症中,包括肺癌胃癌、子宫癌、乳腺癌和前列腺癌中经常出现表达的异常。然而,到目前为止,miR-425在NPC中的表达模式、功能和潜在的机制还没有阐明。

最近,有研究人员发现,miR-425在NPC组织和细胞系中表达降低,而miR-425表达的恢复能够抑制细胞生存和浸润。在NPC中,肝癌衍生生长因子(HDGF)被鉴定为是miR-425的直接靶标基因。HDGF在NPC组织中,在mRNA和蛋白水平中均高度表达。另外,HDGF mRNA与miR-425在NPC组织中呈现负相关。更多的是,HDGF的过表达几乎能够完全恢复miR-425对NPC细胞的生存和浸润肿瘤抑制作用影响。

最后,研究人员指出,这些结果阐释了miR-425在NPC中可以以HDGF为靶标起着肿瘤抑制子的作用,表明了这也许是治疗患有NPC病人的一个新的治疗靶标。

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    2018-06-06 xjy02
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    2018-05-25 minlingfeng
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    2018-04-11 zhouqu_8