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Yang, Bing‐You; Tan, Jin‐Yan; Liu, Yan; Liu, Bo; Jin, Shuang; Guo, Hong‐Wei; Kuang, Hai‐Xue
Biomedical chromatography, February 2018, 2018-Feb, 2018-02-00, 20180201, Letnik: 32, Številka: 2Journal Article
A UPLC‐TOF/MS‐based metabolomics method was established to explore the therapeutic mechanisms of rattan stems of S. chinensis (SCS) in Alzheimer's disease (AD). Experimental AD model was induced by intra‐hippocampal Aβ1–42 injection in rats. Cognitive function and oxidative stress condition in brain of AD rats were assessed using Morris water maze tests and antioxidant assays malondialdehyde (MDA), superoxide dismutase (SOD) and glutathione peroxidase (GSH‐Px), respectively. UPLC‐TOF/MS combined with multivariate statistical analysis were conducted to study the changes in metabolic networks in serum of rats. The results indicated that the AD model was established successfully and the inducement of Aβ1–42 caused a decline in spatial learning and memory of rats. The injection of Aβ1–42 in rat brains significantly elevated the level of MDA, and reduced SOD and GSH‐Px activities. In addition, SCS showed significant anti‐AD effects on model rats. A total of 30 metabolites were finally identified as potential biomarkers of AD and 14 of them had a significant recovery compared with the AD model after SCS administration. Changes in AD metabolite profiling were restored to different levels through the regulation of 13 pathways. This is first report on the use of the UPLC‐TOF/MS‐based serum metabolomics method to investigate therapeutic effects of SCS on AD, and enrich potential biomarkers and metabolic networks of AD.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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