Cetuximab conjugated and doxorubicin loaded silica nanoparticles for tumor-targeting and tumor microenvironment responsive binary drug delivery of liver cancer therapy
2017
Abstract In the present study, we successfully developed a preferable doxorubicin (Dox) loaded drug delivery system based on Cetuximab and silica nanoparticles (Cet-SLN/Dox). By employing the tumor homing property of Cetuximab and the drug-loading capability of silica nanoparticles, the prepared Cet-SLN/Dox was able to load Dox to achieve the co-delivery of two drugs (Cetuximab and Dox). In vitro analysis revealed that Cet-SLN/Dox was nano-sized particles with decent drug loading capabilities and smart drug release profile. Further studies demonstrated that Cet-SLN/Dox was superior in tumor-homing and anti-cancer efficiency than Cetuximab free SLN/Dox and free Dox, possibly due to EGFR mediated endocytosis and the combined anti-cancer effects of Cetuximab and Dox within Cet-SLN/Dox.
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