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Negative feedbacks in normal cell growth and their suppression in tumorigenesis.

机译:正常细胞生长中的负反馈及其在肿瘤发生中的抑制作用。

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摘要

A human is composed of the order of 10 cells. Most of them result from many divisions. Considering that only one in three individuals develop a cancer, any cell has an extremely low probability to result in a cancer. This low probability is explained by the fact that different alterations must be accumulated in order to escape from normal growth control: self-sufficiency in growth signals, insensitivity to growth-inhibitory signals, evasion of apoptosis, limitless replicative potential, sustained angiogenesis, and tissue invasion and metastasis.We have shown that, in addition, the inactivation of multiple negative feedbacks, specific for activated signal transduction pathway, might also contribute to tumorigenesis.
机译:一个人由10个细胞组成。它们大多数来自许多部门。考虑到只有三分之一的人会患上癌症,因此任何细胞发生癌症的可能性极低。这种低概率的解释是,必须积累不同的变化才能脱离正常的生长控制:生长信号的自给自足,对生长抑制信号的不敏感性,细胞凋亡的逃逸,无限的复制潜力,持续的血管生成和组织入侵和转移。我们已经证明,此外,激活信号转导途径特异的多个负反馈的失活也可能有助于肿瘤的发生。

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