CP and neoplasm: The results showed that in HeLa cells, the ratio of the percentage of apoptotic cells in the PTX intervention group to that in the CP-ME intervention group was 1:1.7; in a 3D tumor sphere model, CP-MEs penetrated more strongly in the HeLa 3D tumor sphere model, indicating that the water solubility of PTX was improved and that the antitumor effect was enhanced by the intervention of the CSO-containing nanodelivery system, and CP-MEs are expected to become a new method for the clinical treatment of tumors (101).