Fig. 4From: Enhanced natural killer cell anti-tumor activity with nanoparticles mediated ferroptosis and potential therapeutic application in prostate cancerA. MRI T2 images of tumors treated with intra-tumoral injection of samples (only NK cells, ferumoxytol, and ferumoxytol + NK cells. B. Flowcytometry quantification of NK cells in tumors treated with only DPBS, NK cells, or ferumoxytol + NK cells. C. Representative immunohistochemical images of NK1.1 for each experimental group. (scale bar = 100 µm)Back to article page