%0 Journal Article %T Highly efficient IL-21 and feeder cell-driven ex vivo expansion of human NK cells with therapeutic activity in a xenograft mouse model of melanoma %A Adelheid Cerwenka %A Ana Stojanovic %A Markus Granzin %A Matthias Miller %A Richard Childs %A Volker Huppert %J Archive of "Oncoimmunology". %D 2016 %R 10.1080/2162402X.2016.1219007 %X Natural killer (NK) cells are promising antitumor effector cells, but the generation of sufficient NK cell numbers for adoptive immunotherapy remains challenging. Therefore, we developed a method for highly efficient ex vivo expansion of human NK cells %K Cancer immunotherapy %K EBV-LCL %K Interleukin-21 %K melanoma %K Natural killer cells %K NK cell expansion %K xenograft mouse model %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5048763/