An inflammation self-adaptive nanocarrier for highly efficient gene therapy

An inflammation self-adaptive nanocarrier for highly efficient gene therapy
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用于高效基因治疗的炎症自适应纳米载体

DOI:
10.1016/j.mtchem.2020.100287
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发表时间:
2020-09
影响因子:
7.3
通讯作者:
W. Liu
W. Liu
中科院分区:
化学2区
文献类型:
--
作者:
H. Jia;Y. Yang;M. Li;Y. Li;X. Han;J. Li;X. Zhang;C. Fan;T. Wu;C. Cui;X. Wei;W. Liu

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炎症代表了许多疾病的真实的微环境以及纳米载体的实际应用环境。然而,很少有研究关注炎症环境对纳米颗粒递送效果的影响。本文设计并制备了一种新型的炎症自适应纳米载体,通过苯硼酸酯键将抗坏血酸棕榈酸酯(AP)连接到包埋基因的聚合物纳米复合物表面,体外和体内研究表明AP的引入显著增强了包埋基因在炎症中的积聚,并促进了载基因纳米颗粒的细胞内摄取。同时,DNA的基因转染效率和纳米复合物在炎症刺激下的体内基因治疗显著增强。因此,我们精巧的设计理念为开发炎症自适应药物递送系统以实现精确的药物/基因递送和治疗开辟了新的途径。
Inflammation represents a real micromilieu of many diseases as well as the actual application environment of nanocarriers. However, few studies have focused on the influence of the inflammatory environment on the effects of nanoparticle delivery. Herein, a novel inflammation self-adaptive nanocarrier is designed and fabricated by attaching the ascorbyl palmitate (AP) onto the surface of gene-entrapped polymeric nanocomplexes through the formation of phenylboronate bond.In vitroandin vivostudies demonstrate that the introduction of AP enhances considerably the accumulation of entrapped gene in inflammation and facilitates the intracellular uptake of gene-loading nanoparticles. Meanwhile, the gene transfection efficiency of DNA andin vivogene therapy of nanocomplexes under an inflammation stimulus is significantly enhanced. Hence, our delicate design concept opens up a new pathway to develop an inflammation self-adaptive drug delivery system for precise drug/gene delivery and therapy.
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