Biomimetic Design of Mitochondria-Targeted Hybrid Nanozymes as Superoxide Scavengers.
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| Abstract |
Development of enzyme mimics for the scavenging of excessive mitochondrial superoxide (O2 •- ) can serve as an effective strategy in the treatment of many diseases. Here, protein reconstruction technology and nanotechnology is taken advantage of to biomimetically create an artificial hybrid nanozyme. These nanozymes consist of ferritin-heavy-chain-based protein as the enzyme scaffold and a metal nanoparticle core as the enzyme active center. This artificial cascade nanozyme possesses superoxide dismutase- and catalase-like activities and also targets mitochondria by overcoming multiple biological barriers. Using cardiac ischemia-reperfusion animal models, the protective advantages of the hybrid nanozymes are demonstrated in vivo during mitochondrial oxidative injury and in the recovery of heart functionality following infarction via systemic delivery and localized release from adhesive hydrogels (i.e., cardiac patch), respectively. This study illustrates a de novo design strategy in the development of enzyme mimics and provides a promising therapeutic option for alleviating oxidative damage in regenerative medicine.
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| Authors | Yue Zhang, Anila Khalique, Xinchen Du, Zhanxia Gao, Jin Wu, Xiangyun Zhang, Ran Zhang, Zhiyuan Sun, Qiqi Liu, Zhelong Xu, Adam C Midgley, Lianyong Wang, Xiyun Yan, Jie Zhuang, Deling Kong, Xinglu Huang |
| Journal | Advanced materials (Deerfield Beach, Fla.) (Adv Mater) Vol. 33 Issue 9 Pg. e2006570 (Mar 2021) ISSN: 1521-4095 [Electronic] Germany |
| PMID | 33480459 (Publication Type: Journal Article) |
| Copyright | © 2021 Wiley-VCH GmbH. |
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