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Comparative study of oxidative stress induced by sand flower and schistose nanosized layered double hydroxides in N2a cells |
Yu Lu1,Biao Yan1,Xudong Liu1,Yuchao Zhang1,Shibi Zeng2,Hao Hu2,Rong Xiang3,Yu Xu3,Ying Yu2,Xu Yang1,*( ) |
1. Hubei Key Laboratory of Genetic Regulation and Integrative Biology College of Life Science, Central China Normal University, Wuhan 430079, China 2. Institute of Nanoscience and Nanotechnology, Central China Normal University, Wuhan 430079, China 3. Department of Otolaryngology, Head & Neck Surgery, Renmin Hospital of Wuhan University, Wuhan 430060, China |
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Abstract Magnesium–aluminum layered double hydroxide (Mg/Al–LDH) nanoparticles have strong potential application as drug delivery systems because of their low toxicity and suitable biocompatibility. However, few studies have described the morphological effects of these hydroxides on nerve cells. The present study compares the oxidative stress induced by different concentrations (i.e., 0, 50, 100, 200, 400, and 800 μg/mL) of sand flower and flake nano-Mg/Al–LDHs in mouse neuroblastoma cells (N2a) when these cells were exposed for 24 and 48 h. Cell viability was detected by MTT assay, and production of reactive oxygen species (ROS), glutathione (GSH), and malondialdehyde (MDA) were monitored to evaluate oxidative damage. Results suggested that sand flower nano-LDHs, at the appropriate concentrations (less than 200 μg/mL), especially those of about 100–200 nm in size, induce no harmful effects on N2a cells.
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| Keywords
magnesium–aluminum layered double hydroxide
mouse neuroblastoma cell
oxidative stress
reactive oxygen species
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Corresponding Author(s):
Xu Yang
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Just Accepted Date: 06 March 2015
Online First Date: 17 April 2015
Issue Date: 23 June 2015
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