Abstract
Quantitative analysis of urine acylglycines has shown to be a highly sensitive and specific method with proven clinical utility for the diagnosis of several inherited metabolic disorders including: medium chain acyl-CoA dehydrogenase deficiency, multiple acyl-CoA dehydrogenase deficiency, short chain acyl-CoA dehydrogenase deficiency, 3-methylcrotonyl-CoA carboxylase deficiency, 2-methylbutyryl-CoA dehydrogenase deficiency, isovaleric acidemia, propionic academia, and isobutyryl-CoA dehydrogenase deficiency. Here, a method that is currently performed using ultra-performance liquid chromatography/tandem mass spectrometry (UPLC-MS/MS) is described. © 2023 Wiley Periodicals LLC. Basic Protocol: Urinary acylglycine analysis by UPLC-MS/MS Support Protocol 1: Quality control preparation Support Protocol 2: Internal standard (ISTD) preparation Support Protocol 3: Standard (STD)/calibrator preparation.
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