Rapid Ultraperformance Liquid Chromatography–Tandem Mass Spectrometry Assay for a Characteristic Glycogen-Derived Tetrasaccharide in Pompe Disease and Other Glycogen Storage Diseases
Author(s) -
Wim J. Sluiter,
Jeroen C. van den Bosch,
Daphne A Goudriaan,
Carin M. Van Gelder,
Juna M. de Vries,
J. G. M. Huijmans,
Arnold Reuser,
Ans T. van der Ploeg,
George J. G. Ruijter
Publication year - 2012
Publication title -
clinical chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.705
H-Index - 218
eISSN - 1530-8561
pISSN - 0009-9147
DOI - 10.1373/clinchem.2011.178319
Subject(s) - chemistry , chromatography , maltotriose , tandem mass spectrometry , urine , mass spectrometry , maltose , biochemistry , enzyme
Urinary excretion of the tetrasaccharide 6-α-D-glucopyranosyl-maltotriose (Glc₄) is increased in various clinical conditions associated with increased turnover or storage of glycogen, making Glc₄ a potential biomarker for glycogen storage diseases (GSD). We developed an ultraperformance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) assay to detect Glc₄ in urine without interference of the Glc₄ isomer maltotetraose (M₄).
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