Leukaemia is an aggressive cancer of haematopoiesis. Despite increasing treatment success, the relapse rate is still high. Natural killer (NK) cells play a key role in the immune response to malignancies; thus, it is conceivable that NK cell-based immunotherapy may control relapses, while extending the disease-free survival. In our study, we investigated whether cryopreserved NK cells are able to kill the leukaemic K562 cell line, the necessity of IL-2 co-application and the association of activation marker expression (NKp44, NKG2D and CD25) with cytotoxic potential.
Cryopreserved NK cells in the treatment of haematological malignancies: preclinical study
Ciccocioppo, Rachele;
2016-01-01
Abstract
Leukaemia is an aggressive cancer of haematopoiesis. Despite increasing treatment success, the relapse rate is still high. Natural killer (NK) cells play a key role in the immune response to malignancies; thus, it is conceivable that NK cell-based immunotherapy may control relapses, while extending the disease-free survival. In our study, we investigated whether cryopreserved NK cells are able to kill the leukaemic K562 cell line, the necessity of IL-2 co-application and the association of activation marker expression (NKp44, NKG2D and CD25) with cytotoxic potential.
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