Journal of Clinical and Bioanalytical Chemistry

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Short Article - Journal of Clinical and Bioanalytical Chemistry (2021) Volume 5, Issue 1

Brain Metabolomics Study on the Protective Effects of Ginsenosides Rg1 and Rb1 in an Alzheimerâ??s Disease Mouse Model

Alzheimer’s disease (AD) is a serious neurodegenerative disease in aging populations with no effective method for the diagnosis or for the treatment. Although some physiological and pathological functional parameters have been studied, little knowledge about the changes of small metabolites in biofluids has been reported, which may result in poor diagnosis and treatment for AD. Ginsenoside Rg1 and Rb1, the pharmacologically active ingredients of ginseng, were known to have anti-AD effects, while, their mechanism remain unclear completely. This study was designed to explore globally metabolomic character of AD induced by Aβ1-42 in brain and the holistic efficacy of ginsenoside Rg1 (GRg1) and ginsenoside Rb1 (GRb1) on AD. Morris water maze was performed to examine the behavioral changes in mice. Global metabolic profiling with UPLC/MS (ultra-high-performance liquid chromatography-mass spectrometry) and principal component analysis (PCA) were performed to discover differentiating metabolites. A total of 9 potential biomarkers were identified that were associated with the metabolism of lecithin, purine, and sphingolipids in AD mice. The peak intensities of lysophosphatidylcholine,dihydrosphingosine,hexadecasphinganine, phytosphingosine were lower, while that of hypoxanthine and ceremide were higher, in AD than in control mice. GRg1 and GRb1 treatment affected lecithin and sphingolipid pathways, while not purine metabolism. 

Author(s): Naijing Li

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