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Asymmetric Cell Division and Neoplastic Growth

机译:不对称细胞分裂和肿瘤生长

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摘要

Asymmetric division was formed as an evolutionary conserved mechanism of self-maintenance of cellular populations and creation of a variety of cell types during ontogenesis. Asymmetric division enables a special mechanism of determinant segregation, which further defines development of daughter cells. As a result two unequal cells are developed. Recent research demonstrates the interplay of disturbed asymmetric division of stem cells and tumorigenesis. Genes implicated in cell's polarization and normal progression of asymmetric mitosis were identified in Drosophila. Other genes regulating asymmetric mitosis were described as tumor suppressors, and their mutations were shown to initiate neoplastic growth. Comparative study of gene expression suggests that the disturbance of asymmetric division might be one of the reasons for neoplasm progression in vertebrates.
机译:不对称分裂的形成是细胞群体自我维持和在本体形成过程中创建各种细胞类型的进化保守机制。不对称分裂使行列式分离的特殊机制成为可能,它进一步定义了子代细胞的发育。结果,发展出两个不相等的细胞。最近的研究表明干细胞不对称分裂与肿瘤发生的相互作用。果蝇中鉴定出与细胞的极化和不对称有丝分裂的正常进程有关的基因。其他调节不对称有丝分裂的基因被描述为肿瘤抑制因子,并且它们的突变被证明可引发肿瘤生长。基因表达的比较研究表明,不对称分裂的干扰可能是脊椎动物肿瘤进展的原因之一。

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  • 来源
    《Biology Bulletin》 |2009年第4期|323-327|共5页
  • 作者单位

    Institute of Developmental Biology, Russian Academy of Sciences, ul. Vavilova, 26, Moscow, 119334 Russia;

    Institute of Developmental Biology, Russian Academy of Sciences, ul. Vavilova, 26, Moscow, 119334 Russia;

    Institute of Developmental Biology, Russian Academy of Sciences, ul. Vavilova, 26, Moscow, 119334 Russia;

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