Engineering B cells with mRNA.
Ex vivo activated B cells are an alternative source of antigen presenting cells (APC). However, the ability of ex vivo activated B cells to function as potent APCs has been a concern especially when compared to dendritic cells (DC). Herein, we introduce a strategy to modulate antigen presentation and immune stimulation functions of activated B cells by co-transfection with multiple mRNAs encoding costimulatory molecules (OX40L, 4-1BBL, and CD80), cytokines (IL-12p35 and IL-12p40) and antigen. These activated B cells modified to express immune stimulatory molecules can be a potent alternative to DCs in immunotherapy.
Lee, J; Boczkowski, D; Nair, S
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