Abstract
Nanomaterial based drug delivery system have received great attention in clinical application due to their high therapeutic efficacy and lower side effects than classical method, multi-functional nanomaterial also have shown the excellent performance at cancer theranostic and durg tracking in vivo and in vitro. However, most of these works are influenced by the bio-toxicity of applied nanomaterials, which could influence the diagnostic results and treatment effect. Therefore, we have prepared a high biocompatibility porous carbon nanospheres (PCNs) based nano-system (PCN-siRNA-DOX-FA) for targeted drug delivery and theranostic. The surface modifications have increased dispersion and stability of the PCNs, and folic acid (FA) had enhanced the active target ability for FA receptor positive cell lines. Moreover, through the siRNA structure and doxorubicin (DOX) loading, biological and chemical combined multi-therapy was achieved in cancerous cells. This constructed nano-system could positively improve the biotoxicity problem of nanomaterial and provide a potential platform for clinical cancer theranostic applications.
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