Car-T (Chimeric Antigen Receptor T-Cell) therapy is an immunotherapy that allows the T cells to recognize an antigen on targeted cancer cells, such as CD19 positive leukemia. In vitro, The activation and expansion of the Car-T cells need cytokines and  beads. You can find these products at StemImmune.

Humanize IL-2 (top blue line) activated T cells kill cancer cells compare to Non humanized IL-2 (dark blue line) activated T cells