Abstract
The aim of work was to study the effect of anticancer drugs on the process of CD 95 mediated apoptosis in BL-41 and DG-75 infected with Epstein-Barr virus. Studies of the effect of anticancer drugs "Doxorubicin" "Ebewe" and "Vepesid" (Etoposide) on the apoptosis in EBV infected cells using cytomorphological methods, spectrophotometry and PCR carried out. The influence of the tested drugs in cell culture was assessed by calculating the CC50. It was shown that it was 20 μg ml both for Etoposide and for Doxorubicin in the case of cell line DG-75. BL-41 cells were more sensitive to the tested drugs. CC50 was 5 μg/mI. PCR method showed that in the studied cell lines active accumulation of EBV DNA took place. In 24 hours after infection in the DG 75 + EBV system 20 μg/ml Doxorubicin provoked apoptosis in 89% of cells, and Etoposide-induced apoptosis was 35%. Cell culture BL-41 was equally sensitive to both drugs. At the same time, in the EBV super infected cells + Doxorubicin only 10% of apoptotic cells were detected. The obtained data prove the impact of viral infection on the sensitivity of lymphoma cells BL-41 and DG-75 to tested anticancer drugs.
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