Abstract
Cancer is one of the major causes of mortality worldwide. Therefore, it is necessary to provide an effective method of tumor therapy. Herein, we designed a new type of composite particle, apoferritin (APO) encapsulated doxorubicin (DOX), and the surface of APO was modified with Au nanoshell. As a nanocarrier, APO can carry chemotherapy drug DOX (APODOX) and release drug under acidic and high temperature conditions to reduce side effects of anticancer drugs. After covering Au nanoshell (APODOX-Au), the photothermal effect can be produced because of the unique surface plasmon resonance properties of gold nanoshell. This nanoplatform also provides the multi-stimuli responsive drug release system, which can achieve drug release in different conditions and have great potential in biomedical applications. Our investigation has demonstrated that APODOX-Au has good stability, high dispersibility and biocompatibility in vitro. The strong near-infrared absorption and good photothermal effect make sure the quick response to environmental changes (pH, temperature) to achieve drug release. These findings indicate that these nanoparticles have a potential application value in cancer treatment.
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