Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Paschke, E; Fauler, G; Winkler, H; Schlagenhauf, A; Plecko, B; Erwa, W; Breunig, F; Urban, W; Vujkovac, B; Sunder-Plassmann, G; Kotanko, P.
Urinary total globotriaosylceramide and isoforms to identify women with Fabry disease: a diagnostic test study.
Am J Kidney Dis. 2011; 57(5):673-681
Doi: 10.1053/j.ajkd.2010.10.046
Web of Science
PubMed
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FullText_MUG
- Führende Autor*innen der Med Uni Graz
- Paschke Eduard
- Co-Autor*innen der Med Uni Graz
- Erwa Wolfgang
- Fauler Günter
- Plecko Barbara
- Schlagenhauf Axel
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- Abstract:
- Fabry disease is a treatable X-linked lysosomal storage disorder caused by alterations in the structural gene (GLA) of α-galactosidase A (AGAL), manifesting with cardiovascular and/or kidney disease and decreased life span. Although males as well as females can be affected, females cannot be identified using AGAL activity. We evaluated urinary total globotriaosylceramide (Gb3) and single N-acyl isoforms for the detection of Fabry disease in female patients with and without chronic kidney disease (CKD). Diagnostic accuracy study. 28 untreated women with Fabry disease and 335 female outpatients without Fabry disease with (n = 213) and without CKD (n = 122). Assessment of urinary Gb3 using electrospray ionization tandem mass spectrometry, including 6 N-acyl isoforms, total Gb3 related to urinary creatinine, and ratios of Gb3-24 to Gb3-18 and Gb3-24 to urinary AGAL. Fabry disease, diagnosed by identification of known pathogenic GLA mutations in patients or their male relatives. 6 parameters (ratio of Gb3-24 to urinary AGAL activity; Gb3-24; ratio of Gb3-24 to Gb3-18; Gb3-22; Gb3-16; and total Gb3) were highly informative for the diagnosis of Fabry disease independent of the presence or absence of CKD (area under the receiver operating characteristic curve, 0.876-0.927; all P < 0.001). Because of low signal-to-noise ratios, 15.8% of samples had to be excluded. Total urinary Gb3 and Gb3 isoforms can be used for the diagnosis of Fabry disease in women. Copyright © 2011 National Kidney Foundation, Inc. Published by Elsevier Inc. All rights reserved.
- Find related publications in this database (using NLM MeSH Indexing)
- Adult -
- Aged -
- Biomarkers - urine
- Diagnostic Tests, Routine - methods
- Fabry Disease - diagnosis
- Fabry Disease - urine
- Female -
- Humans -
- Middle Aged -
- Protein Isoforms - urine
- Spectrometry, Mass, Electrospray Ionization - methods
- Trihexosylceramides - urine
- alpha-Galactosidase - urine
- Find related publications in this database (Keywords)
- Fabry disease
- females
- chronic kidney disease
- sensitivity and specificity of urinary Gb3 isoforms
- receiver operating characteristic (ROC) analysis