Bucher fremdsprachig wahlen sie die abteilung aus in der sie suchen mochten. Enter your mobile number or email address below and well send you a link to download the free kindle app then you can start reading kindle books on your smartphone tablet or computer no kindle device required. Gene amplification 843 ajp april 1991 vol 138 no 4 tumors without metastases tumors with metastases 2 genes 2 1 gene i gene 3 genes 0 genes expanded gene amplification m mixed expanded and minimal e minimal gene amplification figure 5 incidence of minimal and expanded gene amplification in nonmetastatic and metastatic tumors included myc and tg but not mos thus two or even cancer myc . Gene amplification see figure 554 is common in tumor cells occurring more than a thousand times more frequently than in normal cells and amplification of oncogenes may play a role in the progression of many tumors to more rapid growth and increasing malignancy. Abstract gene amplification is an important mechanism for oncogene activation a crucial step in carcinogenesis compared to female breast cancer little is known on the genetic makeup of male breast cancer because large series are lacking
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