Lymphocyte Galactocerebrosidase Activity by LC-MS/MS for Post–Newborn Screening Evaluation of Krabbe Disease
Author(s) -
Hsuan-Chieh Liao,
Zdeněk Spáčil,
Farideh Ghomashchi,
Maria L. Escolar,
Joanne Kurtzberg,
Joseph J. Orsini,
František Tureček,
C. Ronald Scott,
Michael H. Gelb
Publication year - 2017
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.2016.264952
Subject(s) - krabbe disease , lymphocyte , newborn screening , immunology , disease , chromatography , medicine , chemistry , biochemistry , pathology , leukodystrophy
Deficiency of the lysosomal enzyme galactosylcerebrosidase (GALC) causes Krabbe disease. Newborn screening for Krabbe disease is ongoing, but improved methods for follow-up analysis of screen-positive babies are needed to better advise families and to optimize treatment. We report a new assay for the enzymatic activity of GALC in lymphocytes.
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