Mitomycin C-treated iPS cells as a Safe Delivery System

Human-induced pluripotent stem cells (iPS) possess an intrinsic tumor tropism ability. However, #iPS cells are impeded in clinical applications of tumor therapy due to the formation of teratomas and their survival in normal organs such as the liver, lungs, spleen and kidneys. #Mitomycin C (MMC) can overcome this limitation by suppressing iPS proliferation. Herein, we fabricated a safe delivery system of iPS cells treated with MMC loading with gold nanorods (AuNRs) for the targeted photothermal treatment of gastric cancer. Our results showed that the tumor cells were efficiently killed by the heat generated from the gold nanorods, and the iPS cells ultimately died due to the action of #MMC seven days after the photothermal treatment. This suggested that pre-treated iPS cells with MMC can be used as a novel and safe approach for targeted tumor therapy. This paves the road for clinical translation in the future.

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