Biodegradable organosilica-based targeted and redox-responsive delivery system of resveratrol for efficiently alleviating ulcerative colitis
文献类型: 外文期刊
第一作者: Jiang, Dan
作者: Jiang, Dan;He, Zhixiong;Xue, Yanan;Jiang, Dan;Xia, Xiaoyang;He, Zhixiong;Xiang, Xia
作者机构:
关键词: Organosilica; Resveratrol; Chondroitin sulfate; Redox-responsive release; Ulcerative colitis
期刊名称:JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY ( 影响因子:6.1; 五年影响因子:5.6 )
ISSN: 1226-086X
年卷期: 2023 年 123 卷
页码:
收录情况: SCI
摘要: Ulcerative colitis (UC) is characterized by a low redox potential in the colon. Targeting redox-responsive strategies are highly desirable due to the capacity of improving the treatment efficiency of drugs against UC. Resveratrol (Res), a natural ingredient, possesses prominent anti-inflammatory activity. However, the limited bioavailability and poor water-solubility severely hinder its clinical translation. Herein, we fabricate an oral delivery carrier of Res-encapsulated tetrasulfide-containing organosilica nanoparticles (DSMSNs), functionalized by targeting component chondroitin sulfate (CS). Benefiting from smart "switch" and targeted "guider", CS shell enables high internalization and promotes selective accumulation in colon epithelial cells and macrophages through CD44-mediated pathway; meanwhile, glutathione (GSH) response-mediated rapid disassembly exhibits targeted Res release and efficient biodegradation, consequently achieving enhanced intracellular delivery of Res, improved Res-enabled treatment and recovered gut microbial diversity in the colitis model to mitigate colonic inflammation. These findings thus bring fresh insights into the potential of MONs in UC treatment as an oral delivery platform. (c) 2023 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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