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Cellular microparticles for tumor targeting delivery: from bench to bedside


Within the past few years, cell derived microparticles (MPs) are emerging as a highly potent natural drug delivery system for tumor therapy. We and others have engineered different cells to obtain eleven kinds of MPs, which efficiently delivered antitumor agents to recipient cells and achieved ideal treatment outcomes in a great number of rodent tumor models. More significantly, autologous tumor cell derived MPs packaging chemotherapeutic drugs were demonstrated to be safe and tolerable and accomplished decent objective clinical response in lung cancer patients in clinical settings, leading to their approval as a novel biotherapy for treating malignancies in China. In this feature article, we review MPs mediated tumor targeting delivery. The impact of tumor cells derived MPs on tumor progression and metastasis will be briefly summarized. Different means to prepare, label and characterize MPs will be introduced. Advantages and limitations of distinctive cargo encapsulation strategies will be outlined and compared. Tumor cell MPs mediated in vivo transport processes will be reviewed comprehensively. Representative MPs shed by platelet, endothelial cell, macrophage, and dendritic cell will be selected to showcase their advantages in tumor targeting delivery. Multifarious therapeutic agents, including chemotherapeutic drugs, oncolytic adenovirus, nuclear acids, antigens, antibodies, to name a few, have been transported to their targets for corresponding cancer therapies. Current challenges and future opportunities on translating MPs for tumor targeting delivery will be provided in the end.

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Article information

31 Mar 2020
11 May 2020
First published
11 May 2020

Chem. Commun., 2020, Accepted Manuscript
Article type
Feature Article

Cellular microparticles for tumor targeting delivery: from bench to bedside

Z. Zhang, C. Xiao, T. Yong, X. Yang, L. Gan and Z. Li, Chem. Commun., 2020, Accepted Manuscript , DOI: 10.1039/D0CC02333G

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