Tandem mass spectrometry multiplex analysis of methylated and non-methylated urinary Gb3 isoforms in Fabry disease patients
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文摘

UPLC–MS/MS method was developed for relative quantification of various Gb3 isoforms.

Patients showed high methylated/non-methylated Gb3 isoform concentrations versus controls.

Methylated Gb3 isoforms were generally absent or in trace amounts in control urine samples.

Biomarker correlations were evaluated with age, gender and ERT treatment of patients.

Patients with p.N215S mutation excreted abnormal concentrations of methylated Gb3 isoforms.

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