Fig. 1
From: Challenges to the broad application of allogeneic natural killer cell immunotherapy of cancer

Strategies to address the challenges to NK cell therapy. The complex tumor microenvironment poses several challenges to successful NK cell therapy. This schematic highlights some of the innovations covered in this review that are addressing these challenges in preclinical and clinical studies. Δ = reengineered protein, red ‘x’ = targeted for blocking, prevention or deletion. Created with BioRender.com