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IgG N-Glycosylation Galactose Incorporation Ratios for the Monitoring of Classical Galactosaemia.


ABSTRACT: Classical galactosaemia (OMIM #230400) is a rare disorder of carbohydrate metabolism caused by deficiency of the galactose-1-phosphate uridyltransferase enzyme (EC 2.7.7.12). The cause of the long-term complications, including neurological, cognitive and fertility problems in females, remains poorly understood. The relatively small number of patients with galactosaemia and the lack of validated biomarkers pose a substantial challenge for determining prognosis and monitoring disease progression and responses to new therapies. We report an improved method of automated robotic hydrophilic interaction ultra-performance liquid chromatography N-glycan analysis for the measurement of IgG N-glycan galactose incorporation ratios applied to the monitoring of adult patients with classical galactosaemia. We analysed 40 affected adult patients and 81 matched healthy controls. Significant differences were noted between the G0/G1 and G0/G2 incorporation ratios between galactosaemia patients and controls (p?

SUBMITTER: Stockmann H 

PROVIDER: S-EPMC4864864 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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IgG N-Glycosylation Galactose Incorporation Ratios for the Monitoring of Classical Galactosaemia.

Stockmann Henning H   Coss Karen P KP   Rubio-Gozalbo M Estela ME   Knerr Ina I   Fitzgibbon Maria M   Maratha Ashwini A   Wilson James J   Rudd Pauline P   Treacy Eileen P EP  

JIMD reports 20150930


Classical galactosaemia (OMIM #230400) is a rare disorder of carbohydrate metabolism caused by deficiency of the galactose-1-phosphate uridyltransferase enzyme (EC 2.7.7.12). The cause of the long-term complications, including neurological, cognitive and fertility problems in females, remains poorly understood. The relatively small number of patients with galactosaemia and the lack of validated biomarkers pose a substantial challenge for determining prognosis and monitoring disease progression a  ...[more]

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