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Neurochemical Profile Quantification of Regional Adult Mice Brain Using: ex vivo $^1H$ High-Resolution Magic Angle Spinning NMR Spectroscopy  

Lee, Do-Wan (Department of Biomedical Engineering, Research Institute of Biomedical Engineering, College of Medicine, The Catholic University of Korea)
Woo, Dong-Cheol (Department of Biomedical Engineering, Research Institute of Biomedical Engineering, College of Medicine, The Catholic University of Korea)
Lee, Sung-Ho (Department of Veterinary Surgery, Konkuk University)
Kim, Sang-Young (Department of Biomedical Engineering, Research Institute of Biomedical Engineering, College of Medicine, The Catholic University of Korea)
Kim, Goo-Young (Department of Molecular Biology, College of Medicine, The Catholic University of Korea)
Rhim, Hyang-Shuk (Department of Molecular Biology, College of Medicine, The Catholic University of Korea)
Choi, Chi-Bong (Department of Radiology, Kyung-Hee University)
Kim, Hwi-Yool (Department of Veterinary Surgery, Konkuk University)
Lee, Chang-Wook (Department of Psychiatry, College of Medicine, The Catholic University of Korea)
Choe, Bo-Young (Department of Biomedical Engineering, Research Institute of Biomedical Engineering, College of Medicine, The Catholic University of Korea)
Publication Information
Progress in Medical Physics / v.21, no.1, 2010 , pp. 35-41 More about this Journal
Abstract
The purpose of this study is to quantitate regional neurochemical profile of regional normal adult mice brain and assess regional metabolic differences by using ex vivo $^1H$ high-resolution magic angle spinning nuclear magnetic resonance spectroscopy ($^1H$ HR-MAS NMRS). The animals were matched in sex and age. The collected brain tissue included frontal cortex, temporal cortex, thalamus, and hippocampus. Quantitative 1D spectra were acquired on 40 samples with the CPMG pulse sequence (8 kHz spectral window, TR/TE = 5500/2.2 ms, NEX = 128, scan time: 17 min 20 sec). The mass of brain tissue and $D_2O$+TSP solvent were 8~14 mg and 7~13 mg. A total of 16 metabolites were quantified as follow: Acet, NAA, NAAG, tCr, Cr, tCho, Cho, GPC + PC, mIns, Lac, GABA, Glu, Gln, Tau and Ala. As a results, Acet, Cho, NAA, NAAG and mIns were showed significantly different aspects on frontal cortex, hippocampus, temporal cortex and thalamus respectively. The present study demonstrated that absolute metabolite concentrations were significantly different among four brain regions of adult mice. Our finding might be helpful to investigate brain metabolism of neuro-disease in animal model.
Keywords
$^1H$ HR-MAS; NMRS; Metabolites; Normal mice; Neurochemical profile;
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