【摘要】 癌症的产生是个多阶段的过程,它实质上是由于一些基因突变引起的。这类突变发生在两类互相作用的基因即癌基因与抗癌基因上。癌基因与抗癌基因,分别作为细胞生长的正负调节因子,共同参与肿瘤的形成。更多还原

【Abstract】 The formation of cancer is a Process of many steps. Actually, cancer is caused by the mutation of some genes. There changes take place between two genes which act on each other. The two genes are oncogene and antioncogene,which,as the positive and negative adjusting factors of the growth of cell, take part in the formation of tumor together.更多还原