Efficient delivery of Echinococcus multilocularis miRNAs using chitosan nanoparticles.
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| Abstract |
Alveolar echinococcosis caused by Echinococcus multilocularis is an important zoonotic disease, a great threat to human health due to limited interventions. microRNAs are a type of small non-coding RNA that plays a key role in many diseases and is considered as a potential therapeutic target for control of parasitic diseases. However, naked miRNAs are difficult to enter into cells and are easily degraded in both external and internal environments. Chitosan (CS) has recently been used as a promising vehicle for delivery of nucleic acids. Therefore, we prepared miRNA-bearing CS nanoparticles and investigated the physicochemical properties as well as the delivery efficiency. We found that CS nanoparticles was relatively stable, offered miRNA strong protection from degradation and had low cytotoxicity with no significant effects on cell proliferation and apoptosis. CS nanoparticles were shown to be easily absorbed by cells and have remarkable liver tropism. Furthermore, CS nanoparticles were used to efficiently deliver E. multilocularis miR-4989 in vitro and in vivo and caused a significant reduction in the expression of UBE2N in the liver, a potential target of emu-miR-4989, at both mRNA and protein levels. Our data demonstrate that CS nanoparticles can act as a vehicle for efficient liver-targeted delivery of miRNAs and for development of miRNA-based therapeutics against E. multilocularis infection.
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| Authors | Yue Sun, Yongjie Kou, Xuedong He, Yuting Yan, Xiaola Guo, Xing Yang, Naipu He, William C Cho, Ivan Kutyrev, Majid Fasihi Harandi, Omnia M Kandil, Xiaoqiang Wang, Houhui Song, Yadong Zheng |
| Journal | Biomedicine & pharmacotherapy = Biomedecine & pharmacotherapie (Biomed Pharmacother) Vol. 150 Pg. 112945 (Jun 2022) ISSN: 1950-6007 [Electronic] France |
| PMID | 35405393 (Publication Type: Journal Article) |
| Copyright | Copyright © 2022 The Authors. Published by Elsevier Masson SAS.. All rights reserved. |
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