Liposomal co-delivery of curcumin and albumin/paclitaxel nanoparticle for enhanced synergistic antitumor efficacy

Colloids and Surfaces. B, Biointerfaces
Hima Bindu Ruttala, Young Tag Ko

Abstract

Paclitaxel (PTX) and curcumin (CUR) are potent chemotherapeutic agents used in the treatment of cancer. In the present study, hybrid polymer-lipid nanoparticles co-loaded with PTX and CUR were developed to investigate the therapeutic potential of a combination drug regimen. For this purpose, PTX-loaded albumin nanoparticles (APN) were prepared and encapsulated in PEGylated hybrid liposomes containing CUR (CL-APN) via a thin-film hydration technique. CL-APN was nanosized with a uniform spherical morphology. PTX and CUR release was sustained and occurred in a sequential manner, wherein CUR was expected to downregulate the nuclear factor NF-κB and Akt pathways and increase the therapeutic efficacy of PTX. The ratiometric combination of PTX and CUR was significantly more cytotoxic than the individual drugs. Importantly, dual-drug-loaded nanocarriers exhibited a superior cytotoxic effect than a cocktail combination at a lower dose. CL-APN induced significantly higher early and late apoptosis, induced a stronger G2/M arrest, and significantly increased the subG1 cell population. By combining CUR, an effective NF-κB inhibitor, with PTX, a powerful anticancer drug, in a polymer-lipid hybrid nanoparticle system, we could improve the the...Continue Reading

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Citations

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