TP53 and neoplasm: Coupling CPP with chemotherapeutic drugs such as SynB1 delivers paclitaxel to breast cancer cells to induce tumour cell cycle arrest and tumour cell apoptosis,179 TAT and LMW deliver paclitaxel to drug‐resistant lung cancer to affect tumour cell mitosis and inhibit tumour growth180 and that D‐MCa can deliver cisplatin to human glioblastoma cell to trigger the ROS‐ERK/AKT‐p53 pathway to induce apoptosis.181