期刊
BIOMACROMOLECULES
卷 18, 期 12, 页码 4307-4315出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.biomac.7b01356
关键词
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资金
- Cancer Prevention and Research Institute of Texas (CPRIT) [R1212]
- Welch Foundation [I-1855]
- American Cancer Society [RSG-17-012-01]
- Mary Kay Foundation [049-15]
- Zhejiang University of Technology [105008529]
Messenger RNA (mRNA) has recently come into focus as an emerging therapeutic class with great potential for protein replacement therapy, cancer immunotherapy, regenerative medicine, vaccines, and gene editing. However, the lack of effective and safe delivery methods impedes the broad application of mRNA-based therapeutics. We report a robust approach to develop efficient polymeric delivery carriers for mRNA. Lead polyesters were identified by in vitro screening of a 480-member combinatorially modified poly(trimethylolpropane allyl ether-co-suberoyl chloride) library for the delivery of luciferase encoding mRNA (Luc mRNA) to IGROV1 cells. The formulation of mRNA polyplex nanoparticles (NPs) with Pluronic F127 decreased the surface charge. Although this improved the stability of mRNA nanoparticles, the delivery potency decreased with increased F127 content. Thus, we determined that NP stabilization with 5% F127 could balance the protective effects and delivery potency. 5% F127 formulated PE4K-A17-0.33C12 mRNA NPs enabled luciferase expression predominantly in the lungs after intravenous injection into mice. The efficient mRNA delivery specifically to lungs by degradable carriers suggests the potential for the treatment of pulmonary diseases.
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