Transferrin-inspired vehicles based on pH-responsive coordination bond to combat multidrug-resistant breast cancer

Autor: Peng-Fei Cui, Yu-Xin Zhou, Na Lu, Yu-Jing He, Yong Zhu, Lei Xing, Jin-Yuan Lyu, Hu-Lin Jiang, Jian-Bin Qiao, Mei Zhang, Jia-Liang Zhang, Cheng-Qiong Luo
Rok vydání: 2016
Předmět:
Zdroj: Biomaterials. 113
ISSN: 1878-5905
Popis: A novel biomimetic drug delivery system (BDDS) inspired by the pH-dependent ferric ion-transport and release manner of transferrin (Tf) was developed for combating multidrug-resistant breast cancer. Tf-inspired carrier was synthesized by modifying bovine serum albumin (BSA) with histamine (HA) through amide reaction to provide superior specific coordination sites for ferric ion-drug complexes, and self-assembled into nanoparticles (NPs) induced by coordination bond. Tf-inspired NPs were prepared via environment-friendly method, and well redispersed in saline after lyophilization. When internalized into tumor cells by SPARC (secreted protein acidic and rich in cysteine) mediated endocytosis, Tf-inspired NPs bypassed and decreased the P-glycoprotein-mediated drug efflux and led to more effective treatment of multidrug-resistant breast cancer compared with free drugs both in vitro and in vivo due to the enhanced cellular uptake and rapid pH-responsive drug release. Moreover, Tf-inspired NPs exhibited good biocompatibility and low systemic toxicity. Thus, our results demonstrate that Tf-inspired NPs based on coordination bond represent as a smart drug delivery strategy to combat multidrug-resistant cancer and have great potential for clinical applications in cancer therapy.
Databáze: OpenAIRE