RETRACTED: Red Blood Cell Membrane-Camouflaged Gold Nanoparticles for Treatment of Melanoma (Retracted Article)
Journal of oncology(2022)
Abstract
Background. Patients with melanoma have poor response and low long-term survival to conventional cisplatin (CP). Recently, biomimetic nanoparticles have played a significant role in tumor therapy. The purpose of this study was to mechanistically evaluate the effect of red blood cell membrane camouflaged gold nanoparticles loaded with CP (RBCm@AuNPs-CP) on enhancing chemotherapy in melanoma. Methods. Treated B16-F10 cells with RBCm@AuNPs-CP, the antimelanoma effect in vitro was explored by detecting cell viability, apoptosis rate, level of reactive oxygen species (ROS), and singlet oxygen. RBCm@AuNPs-CP was injected into the melanoma-bearing mice via tail vein, and the target-ability, therapeutic effect, and toxicity were detected in melanoma tumor-bearing mice. Results. RBCm@AuNPs-CP had an antiproliferation and apoptosis-inducing effect on B16-F10 cells, which might be mediated by oxidative stress of ROS, and its effect was significantly enhanced compared with the CP treatment group. In vivo experiments suggested the same outcome, with better target-ability of RBCm@AuNPs-CP. Conclusion. The erythrocyte camouflage nanosystem RBCm@AuNPs-CP exhibited well passive tumor target-ability and promoted apoptosis of melanocytes by inducing ROS. RBCm@AuNPs-CP as a novel safe and effective targeted drug delivery system may provide a promising choice for the treatment of melanoma.
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