| Literature DB >> 28516768 |
Tinghui Li1, Li Xiao2, Jiezuan Yang2, Mengmeng Ding2, Zhiguo Zhou3, Leslie LaConte4, Li Jin2, Harry C Dorn1,4, Xudong Li2.
Abstract
Antioxidative and anti-inflammatory effects of trimetallic nitride endohedral fullerenes carboxyl-Gd3N@C80, a newly developed magnetic resonance imaging (MRI) contrast agent, were investigated. All hydrochalarone and carboxyl-functionalized fullerenes showed effective radical (hydroxyl and superoxide anion) scavenging, whereas the carboxyl-Gd3N@C80 more efficiently attenuated lipopolysaccharide (LPS) induced oxidative stress in macrophages. Carboxyl-Gd3N@C80 also suppressed LPS-elicited mRNA expression of pro-inflammatory inducible nitric oxide synthase and tumor necrosis factor-alpha, and upregulated antioxidative enzyme axis Nrf2 and heme oxygenase-1, possibly via ERK but not AKT signaling pathways. Therefore, carboxyl-Gd3N@C80 held a great promise in becoming a novel theranostic nanoplatform for simultaneously deliver MRI contrast and therapeutic functions to inflammation-related diseases.Entities:
Keywords: AKT; ERK; inflammation; macrophage; oxidative stress; theranostic; trimetallic nitride endohedral fullerenes
Mesh:
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Year: 2017 PMID: 28516768 PMCID: PMC5670744 DOI: 10.1021/acsami.7b04718
Source DB: PubMed Journal: ACS Appl Mater Interfaces ISSN: 1944-8244 Impact factor: 9.229