Abstract
Drug delivery systems based on hydrogel microcarriers have shown enormous achievements in tumor treatment. Current research direction mainly concentrated on the improvement of the structure and function of the microcarriers to effectively deliver drugs for enhanced cancer treatment with decreased general toxicity. Herein, we put forward novel hierarchical mesoporous silicon nanoparticles (MSNs) and bovine serum albumin (BSA) composite microparticles (MPMSNs@DOX/FU) delivering doxorubicin (DOX) and 5-fluorouracil (FU) for effective tumor therapy with good safety. The DOX and FU could be efficiently loaded in the MSNs, which were further encapsulated into methacrylate BSA (BSAMA) microparticles by applying a microfluidic technique. When transported to the tumor area, DOX and FU will be persistently released from the MPMSNs@DOX/FU and kept locally to lessen general toxicity. Based on these advantages, MPMSNs@DOX/FU could observably kill liver cancer cells in vitro, and evidently suppress the tumor development of liver cancer nude mice model in vivo. These results suggest that such hierarchical hydrogel microparticles are perfect candidates for liver cancer treatment, holding promising expectations for impactful cancer therapy.
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More From: International Journal of Biological Macromolecules
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