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某些肿瘤的发生与癌基因的激活和抑癌基因的失活有关,它们都是正常细胞内存在的,其编码的产物多为信号传导系统中的某些效应分子。癌基因和抑癌基因及它们的产物在细胞正常生长和分化中发挥重要作用,他们的突变会造成信号系统的紊乱,影响细胞的正常生命过程,从而引起肿瘤。特别
The occurrence of certain tumors is related to the activation of oncogenes and the inactivation of tumor suppressor genes. They are all present in normal cells. The encoded products are mostly some of the effector molecules in the signal transduction system. Oncogenes and tumor suppressor genes and their products play an important role in the normal growth and differentiation of cells, and their mutations can cause disorder of the signal system, affect the normal life process of cells, and cause tumors. especially