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Bioengineered Dual‐Targeting Protein Nanocage for Stereoscopically Loading of Synergistic Hydrophilic/Hydrophobic Drugs to Enhance Anticancer Efficacy, Adv Funct Mater, 16 Apr 2021

发布时间:2021年04月16日

本文地址:http://531.293tyc.com/zxzylw/202104/t20210421_5995192.html
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Advanced Functional Materials, 16 April, 2021, DOI:糖果派对网站网址5771

Bioengineered Dual‐Targeting Protein Nanocage for Stereoscopically Loading of Synergistic Hydrophilic/Hydrophobic Drugs to Enhance Anticancer Efficacy

Zhuoran Wang, Shuai Zhang, Ruofei Zhang, Xuehui Chen, Guoming Sun, Meng Zhou, Qiubai Han, Baoli Zhang, Yue Zhao, Bing Jiang, Yili Yang, Xiyun Yan, Kelong Fan

Abstract

A biocompatible and modifiable protein nanocarrier is a promising candidate for tumor targeted drug delivery. However, it is challenging to effectively load hydrophobic drugs, not to mention to upload both hydrophilic and hydrophobic drugs on one protein nanocarrier. Here, an amphiphilic multi‐drug loading protein nanocage (Am‐PNCage) is presented which is generated by replacing the fifth helix of human H‐ferritin (HFn) subunit with a functional motif composed of hydrophobic–hydrophilic‐RGD peptides. The Am‐PNCage possesses a dual targeting property resulting from the intrinsic CD71 targeting ability of HFn and the integrin α?vβ3 targeting ability of displayed RGD peptides. Through the hydrophilic drug entry channel in the protein nanocage and hydrophobic peptides displayed on the outer surface, amphiphilic epirubicin (132)/camptothecin (50) are stereoscopically loaded into the inner cavity/outer protein shell, respectively, for one Am‐PNCage, exhibiting cascade drug release pattern. The dual‐targeted Am‐PNCage promotes the loaded drugs penetrating various 3D tumor models in vitro, as well as traversing the brain blood barrier and accumulating in brain tumors in vivo. Moreover, the drug loaded Am‐PNCage shows reduced side effects and significantly enhances synergistic efficacy against brain tumor, metastatic liver cancers, and drug resistant breast tumor. Thus, the Am‐PNCage represents a novel promising protein nanocarrier for targeted combination chemotherapy.

文章链接:http://www.7q7.3834508.com/doi/10.1002/adfm.202102004

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