Ceria Nanoparticles Meet Hepatic Ischemia-Reperfusion Injury: The Perfect Imperfection.

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ID: 37639
2019
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Abstract
The mononuclear phagocyte system (MPS, e.g., liver, spleen) is often treated as a "blackbox" by nanoresearchers in translating nanomedicines. Often, most of the injected nanomaterials are sequestered by the MPS, preventing their delivery to the desired disease areas. Here, this imperfection is exploited by applying nano-antioxidants with preferential liver uptake to directly prevent hepatic ischemia-reperfusion injury (IRI), which is a reactive oxygen species (ROS)-related disease. Ceria nanoparticles (NPs) are selected as a representative nano-antioxidant and the detailed mechanism of preventing IRI is investigated. It is found that ceria NPs effectively alleviate the clinical symptoms of hepatic IRI by scavenging ROS, inhibiting activation of Kupffer cells and monocyte/macrophage cells. The released pro-inflammatory cytokines are then significantly reduced and the recruitment and infiltration of neutrophils are minimized, which suppress subsequent inflammatory reaction involved in the liver. The protective effect of nano-antioxidants against hepatic IRI in living animals and the revealed mechanism herein suggests their future use for the treatment of hepatic IRI in the clinic.
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ni2019ceriaadvanced Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Ni, Dalong;Wei, Hao;Chen, Weiyu;Bao, Qunqun;Rosenkrans, Zachary T;Barnhart, Todd E;Ferreira, Carolina A;Wang, Yanpu;Yao, Heliang;Sun, Tuanwei;Jiang, Dawei;Li, Shiyong;Cao, Tianye;Liu, Zhaofei;Engle, Jonathan W;Hu, Ping;Lan, Xiaoli;Cai, Weibo;
Journal advanced materials (deerfield beach, fla)
Year 2019
DOI
10.1002/adma.201902956
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