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肺癌细胞中有诸多染色体水平和基因水平的异常 ,其发生发展是一个多阶段复杂过程 ,由多个异常的原癌基因和抑癌基因协同作用所致。各种致癌因素进入人体 ,首先通过诱导细胞的遗传物质发生改变 ,然后导致肿瘤发生。如何分离与肿瘤相关的基因是目前肿瘤遗传学研究的热点。ＡＰ -
Lung cancer cells in many chromosomal levels and genetic abnormalities, the occurrence and development is a multi-stage complex process, caused by a number of abnormal proto-oncogene and tumor suppressor gene synergy. A variety of carcinogenic factors into the body, first by inducing changes in the genetic material cells, and then lead to cancer. How to separate the tumor-related genes is currently a hot research topic in tumor genetics. AP -