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肿瘤干细胞的研究进展

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摘要 早期理论认为,肿瘤的发生和发展主要来源于正常组织细胞的基因突变,使细胞增殖能力增强,分化度下降,细胞凋亡减少,细胞持续处于高增殖状态。按照该理论,这种低分化细胞持续增殖会导致更多的细胞出现更进一步的致癌突变,而使同一肿瘤中存在多种肿瘤细胞,这和大多数临床结果是不相符的。近年来越来越多的学者提出,干细胞不仅在多细胞有机体形成中具有重要的作用,同时在肿瘤的发生过程中同样起到不可忽视的推动作用,
作者 董敏 毕经旺
出处 《实用临床医药杂志》 CAS 2013年第23期188-190,共3页 Journal of Clinical Medicine in Practice
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