摘要
目的:探究纳米氧化铈对小鼠海马组织的作用,利用蛋白质组学进行差异蛋白分析,探析在脑相关疾病治疗药物的开发应用中,纳米氧化铈是否可以作为药物递送载体。方法:将ICR小鼠随机分为空白组和纳米氧化铈组,纳米氧化铈组尾静脉注射粒径为2~6 nm的纳米氧化铈(0.4 mg/kg),对照组给予等计量的生理盐水,通过行为学、组织病理学和TMT蛋白质组学进行分析。结果:与对照组相比,纳米氧化铈组小鼠行为学和组织病理学表现差异无统计学意义(P>0.05),蛋白组学发现523种蛋白质存在差异表达,其中243个蛋白下调,280个蛋白上调。KEGG通路分析表明,差异蛋白富集的主要通路包括氧化磷酸化信号通路、Wnt信号通路、长时程增强信号通路、胆固醇代谢通路等。结论:粒径为2~6 nm,剂量为0.4 mg/kg的纳米氧化铈对小鼠海马组织没有损伤作用,可作为药物递送的载体。
Objective:To study the effect of cerium oxide nanoparticles on hippocampus of mice,and to explore whether cerium oxide nanoparticle could be used as the drug delivery carrier in the development and application of drugs for brain related diseases by analyzing the differential proteins in proteomics.Methods:ICR mice were randomly divided into the blank group and cerium oxide nanoparticles group.The cerium oxide nanoparticle group was injected with cerium oxide nanoparticles of 2-6 nm in particle size(0.4 mg/kg)through tail vein,and the control group was given the same amount of normal saline.Results:Compared with the control group,there was no significant difference in the behavior and histopathology of mice in the cerium oxide nanoparticles group.The proteomics analysis showed that 523 proteins were differentially expressed,including 243 down-regulated proteins and 280 up-regulated proteins.KEGG pathway analysis showed that the main pathways enriched in differential proteins included oxidative phosphorylation signaling pathway,Wnt signaling pathway,long-term enhancement signaling pathway,cholesterol metabolism pathway.Conclusion:Cerium oxide nanoparticles with a particle size of 2-6 nm and a dose of 0.4 mg/kg has no harmful effect on hippocampal tissue of mice and could be used as the carrier for drug delivery.
作者
李宜格
郭丽娜
李裕林
梅建军
张涛
赵继军
王艳芳
LI Yige;GUO Li'na;LI Yulin;MEI Jianjun;ZHANG Tao;ZHAO Jijun;WANG Yanfang(Baotou Medical College,Inner Mongolia University of Science and Technology,Baotou 014040,China;The First Affiliated Hospital of Baotou Medical College,Inner Mongolia University of Science and Technology)
出处
《包头医学院学报》
CAS
2023年第5期10-16,共7页
Journal of Baotou Medical College
基金
内蒙古自然科学基金(NO.2020MS08016)
包头医学院博士自然科研启动金项目(NO.BSJJ201902)。
关键词
蛋白质组学
纳米氧化铈
海马
Proteomics
Cerium oxide nanoparticles
Hippocampus
