摘要
结直肠癌在我国的发病率比较高,在全球各种恶性肿瘤的发病率中位居第三位,而导致患者发生死亡的主要原因就是癌变发生侵袭和转移。肿瘤转移的步骤比较多,而且也是多阶段性的,牵扯的基因也比较多,其过程比较复杂,例如肿瘤在原发部位发生了脱离,和周围的基质相互融合,肿瘤细胞进入循环系统以及淋巴系统,在内皮细胞壁处粘附,逐渐的外延至血管或者更大的面积,发生了血管增生的现象,最终导致了新的转移灶的形成。因此本次研究针对结直肠癌转移的相关基因、微RNAs、上皮-间质转化、肿瘤干细胞、肿瘤的微循环等问题进行一简要综述。
引文
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