To investigate the role of the apoptosis-related genes, Bcl-2, Bax and Survivin genes were analyzed. For the Bax gene, abnormality was detected in 1 of 7 cervical and 1 of 6 endometrial cancer cell lines, 1 of 25 cervical cancer tissues and none of 17 endometrial cancer tissues using PCR-SSCP. In 4 cervical and 2 endometrial cancer cell lines, the ratio of Bcl-2 to Bax expression was higher than the control ratio using Western blotting. Survivin mRNA was detectable in all cell lines and all cancer tissues. The data suggested that these apoptosis-related genes may play important roles in the pathway of carcinogenesis of human uterine cancer.
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Saitoh et al. (1999) studied this question.