Abstract
This study assessed the impact of malignant mesothelioma on the frequencies of sister chromatid exchange (SCE) in the pleural effusion cells. Ten patients with mesothelioma and 20 control subjects were included in the study. The control subjects were the patients with tuberculosis pleurisy, and the remaining 10 subjects of control group were healthy volunteers and only heparinized blood samples were collected from these subjects. The pleural effusion cells were cultured with conventional culture methods. The samples were obtained from the patients after histopathologic confirmation of the malignancy but before the initiation of chemotherapy or radiotherapy. At the end of the culture period and 48 h prior the harvesting, BrdU was added into flasks. Totally, 100 metaphases were scored for each sample. In this study, we found that the SCE frequencies of malignant pleural mesotheliomas were significantly higher than the control subjects ( P<0.001). Six of 10 patients came from central Anatolia, which is of great importance due to high rate of exposure to asbestosis in this region.
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