Superoxide dismutase-embedded metal-organic frameworks via biomimetic mineralization for the treatment of inflammatory bowel disease

被引：24

作者：

Bai, Shaowei ^{[1
]}

Shao, Xinxin ^{[1
]}

Tao, Yu ^{[1
]}

Wang, Song ^{[1
]}

Han, Haobo ^{[1
]}

Li, Quanshun ^{[1
]}

机构：

[1] Jilin Univ, Sch Life Sci, Minist Educ, Key Lab Mol Enzymol & Engn, Changchun 130012, Peoples R China

来源：

JOURNAL OF MATERIALS CHEMISTRY B | 2022年 / 10卷 / 27期

基金：

中国国家自然科学基金; 国家重点研发计划;

关键词：

ENZYME;

D O I：

10.1039/d2tb00896c

中图分类号：

TB3 [工程材料学]; R318.08 [生物材料学];

学科分类号：

0805 ; 080501 ; 080502 ;

摘要：

Inflammatory bowel disease (IBD) is characterized by chronic and spontaneous inflammation in the gastrointestinal tract, and has been associated with an improved level of reactive oxygen species (ROS). Herein, superoxide dismutase (SOD) was encapsulated into zeolitic imidazolate framework-zni (ZIF-zni) to construct a nanocomposite termed SOD@ZIF-zni through biomimetic mineralization, which was then used as a formulation for the IBD treatment. The SOD@ZIF-zni composite could efficiently suppress the level of ROS and pro-inflammatory cytokines, using the colorectal cancer cell line SW480 as a model. Oral administration of the SOD@ZIF-zni composite could relieve the oxidative stress and inhibit the release of pro-inflammatory cytokines in the inflamed colonic tissues, leading to the alleviation of colitis in dextran sulfate sodium-induced colitis mice. Overall, the favorable therapeutic efficacy and biocompatibility of SOD@ZIF-zni gave it potential to be used as a safe and effective formulation for IBD treatment in the future.

引用

页码：5174 / 5181

页数：8

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