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Total cellular glycomics allows characterizing cells and streamlining the discovery process for cellular biomarkers.

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Title: Total cellular glycomics allows characterizing cells and streamlining the discovery process for cellular biomarkers.
Authors: Fujitani, Naoki Browse this author →KAKEN DB
Furukawa, Jun-Ichi Browse this author
Araki, Kayo Browse this author
Fujioka, Tsuyoshi Browse this author
Takegawa, Yasuhiro Browse this author
Piao, Jinhua Browse this author
Nishioka, Taiki Browse this author
Tamura, Tomohiro Browse this author
Nikaido, Toshio Browse this author →KAKEN DB
Ito, Makoto Browse this author →KAKEN DB
Nakamura, Yukio Browse this author →KAKEN DB
Shinohara, Yasuro Browse this author
Issue Date: 5-Feb-2013
Journal Title: Proceedings of the National Academy of Sciences of the United States of America
Volume: 110
Issue: 6
Start Page: 2105
End Page: 2110
Publisher DOI: 10.1073/pnas.1214233110
PMID: 23345451
Abstract: Although many of the frequently used pluripotency biomarkers are glycoconjugates, a glycoconjugate-based exploration of novel cellular biomarkers has proven difficult due to technical difficulties. This study reports a unique approach for the systematic overview of all major classes of oligosaccharides in the cellular glycome. The proposed method enabled mass spectrometry-based structurally intensive analyses, both qualitatively and quantitatively, of cellular N- and O-linked glycans derived from glycoproteins, glycosaminoglycans, and glycosphingolipids, as well as free oligosaccharides of human embryonic stem cells (hESCs), induced pluripotent stem cells (hiPSCs), and various human cells derived from normal and carcinoma cells. Cellular total glycomes were found to be highly cell specific, demonstrating their utility as unique cellular descriptors. Structures of glycans of all classes specifically observed in hESCs and hiPSCs tended to be immature in general, suggesting the presence of stem cell-specific glycosylation spectra. The current analysis revealed the high similarity of the total cellular glycome between hESCs and hiPSCs, although it was suggested that hESCs are more homogeneous than hiPSCs from a glycomic standpoint. Notably, this study enabled a priori identification of known pluripotency biomarkers such as SSEA-3, -4, and -5 and Tra-1-60/81, as well as a panel of glycans specifically expressed by hESCs and hiPSCs.
Type: article (author version)
Appears in Collections:生命科学院・先端生命科学研究院 (Graduate School of Life Science / Faculty of Advanced Life Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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