In stark contrast, the presence of NBTXR3RED can be observed in the 42-MG-BA-ACTB-GFP cells when co-cultured with NBTXR3RED-pretreated irradiated 42-MG-BA cells (RT condition), showing that NBTXR3RED released from dead cells can be recaptured by other cancer cells. Here, ACTB is linked to cancer.