Apoptosis induced by paclitaxel-loaded copolymer PLA–TPGS in Hep-G2 cells

Tóm tắt

Paclitaxel is an important anticancer drug in clinical use for treatment of a variety of cancers. The clinical application of paclitaxel in cancer treatment is considerably limited due to its serious poor delivery characteristics. In this study paclitaxel-loaded copolymer poly(lactide)–d-α-tocopheryl polyethylene glycol 1000 succinate (PLA–TPGS) nanoparticles were prepared by a modified solvent extraction/evaporation technique. The characteristics of the nanoparticles, such as surface morphology, size distribution, zeta potential, solubility and apoptosis were investigated in vitro. The obtained spherical nanoparticles were negatively charged with a zeta potential of about −18 mV with the size around 44 nm and a narrow size distribution. The ability of paclitaxel-loaded PLA–TPGS nanoparticles to induce apoptosis in human hepatocellular carcinoma cell line (Hep-G2) indicates the possibility of developing paclitaxel nanoparticles as a potential universal cancer chemotherapeutic agent.

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