Characterization of Isomeric Unsulfated Glycosaminoglycan Oligosaccharides by Mass Spectrometry/Mass Spectrometry
スポンサーリンク
概要
- 論文の詳細を見る
Both saturated and unsaturated forms of isomeric unsulfated glycosaminoglycan (GAG) oligosaccharides, i.e., tetrasaccharides of chondroitin (CH) and hyaluronan (HA), were analyzed by electrospray ionization mass spectrometry/mass spectrometry. Although the only structural difference between them was the hydroxyl group at the C-4 position in N-acetylhexosamine (GalNAc or GlcNAc, respectively), given the same m/z value of precursor ions, these isomers in both their saturated and unsaturated forms could be separated by careful examination of diagnostic fragment ions in their product ion mass spectra when the relative abundances of these fragment ions were considered. In addition, the product ion mass spectrum of the unsaturated HA tetrasaccharide was compared with its linkage isomer, N-acetylheparosan tetrasaccharide. In this case, the isomers were more easily differentiated by comparing their characteristic spectral patterns. By adopting this approach, systematic differentiation of isomeric unsulfated GAG oligosaccharides should be achieved by means of fragmentation. It should also contribute widely to GAG-related biochemical and medicinal research in the future.
- 日本質量分析学会の論文
- 2007-02-01
著者
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KIMATA Koji
Institute for Molecular Science of Medicine, Aichi Medical University
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HIRABAYASHI Jun
Research Center for Glycoscience, National Institute of Advanced Industrial Science and Technology (
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Kimata Koji
Res. Complex For Medicine Frontiers Aichi Medical Univ.
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Kimata Koji
Institute For Molecular Science Of Medicine Aichi Medical University
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Sugiura Nobuo
Central Research Laboratories Seikagaku Corporation
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Hirabayashi Jun
National Inst. Of Advanced Industrial Sci. And Technol. Ibaraki Jpn
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Suzuki Kiyoshi
Central Research Laboratories, Seikagaku Corporation
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MINAMISAWA Toshikazu
Research Center for Glycoscience, National Institute of Advanced Industrial Science and Technology (
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MAEDA Hiroshi
Central Research Laboratories, Seikagaku Corporation
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SHIMOKATA Satoshi
Central Research Laboratories, Seikagaku Corporation
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Hirabayashi Jun
Research Center For Glycoscience National Institute Of Advanced Industrial Science And Technology
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Shimokata Satoshi
Central Research Laboratories Seikagaku Corporation
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Minamisawa Toshikazu
Research Center For Glycoscience National Institute Of Advanced Industrial Science And Technology (a
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Minamisawa Toshikazu
Research Center For Glycoscience National Institute Of Advanced Industrial Science And Technology (a
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Hirabayashi Jun
Research Center For Glycoscience (rcg) National Institute Of Advanced Industrial Science And Technol
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Hirabayashi Jun
Research Center For Glycoscience National Institute Of Advanced Industrial Science And Technology (a
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Suzuki Kiyoshi
Central Research Laboratories Seikagaku Corporation
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Maeda Hiroshi
Central Research Laboratories Seikagaku Corporation
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