Abstract
To investigate the effect of autophagy on the drug resistance of different human lymphoma cells. Human Burkitt's lymphoma cell Daudi, human B lymphoma cell SUDHL-4, and human mantle cell lymphoma cell JeKo-1 were taken as the research subjects. The expression of Atg5 was inhibited by the treatments of autophagy inhibitors or stable interference via lentivirus infection. The autophagy activity of B lymphoma cell was changed, and the changes of lymphoma cells to the drug resistance of ADR and VCR was observed. JeKo-1 cells showed the strongest resistance to ADR and VCR, followed by SUDHL-4, and Daudi cells showed the weakest resistance to ADR and VCR. At the same time, JeKo-1 cells showed the strongest autophagy activity, followed by SUDHL-4, and Daudi cells showed the weakest autophagy activity. After the treatments of autophagy inhibitors or stable Atg5 interference, the resistance of lymphoma cells to ADR and VCR was significantly weakened, and there was the positive correlation at the drug resistance and the autophagy activity of B lymphoma cell. The higher autophagy activity in lymphoma cells, the lower chemotherapy resistance of the lymphoma cells after autophagy was inhibited.
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