Acylglycine Analysis by Ultra-Performance Liquid Chromatography-Tandem Mass Spectrometry (UPLC-MS/MS)

Curr Protoc Hum Genet. 2016 Oct 11:91:17.25.1-17.25.12. doi: 10.1002/cphg.19.

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. © 2016 by John Wiley & Sons, Inc.

Keywords: UPLC-MS/MS; acylglycine; fatty acid β-oxidation; glycine N-acylase; organic acidemia.

MeSH terms

  • Amino Acid Metabolism, Inborn Errors / diagnosis
  • Amino Acid Metabolism, Inborn Errors / urine
  • Chromatography, Liquid / methods*
  • Glycine / analogs & derivatives*
  • Glycine / urine
  • Humans
  • Tandem Mass Spectrometry / methods*

Substances

  • N-acylglycine esters
  • Glycine