Metabolic profiling of major vitamin D metabolites using Diels-Alder derivatization and ultra-performance liquid chromatography-tandem mass spectrometry

Pavel A. Aronov, Laura M. Hall, Katja Dettmer, Charles B. Stephensen, Bruce D. Hammock

Research output: Contribution to journalArticle

119 Citations (Scopus)

Abstract

Biologically active forms of vitamin D are important analytical targets in both research and clinical practice. The current technology is such that each of the vitamin D metabolites is usually analyzed by individual assay. However, current LC-MS technologies allow the simultaneous metabolic profiling of entire biochemical pathways. The impediment to the metabolic profiling of vitamin D metabolites is the low level of 1α,25-dihydroxyvitamin D3 in human serum (15-60 pg/mL). Here, we demonstrate that liquid-liquid or solid-phase extraction of vitamin D metabolites in combination with Diels-Alder derivatization with the commercially available reagent 4-phenyl-1,2,4- triazoline-3,5-dione (PTAD) followed by ultra-performance liquid chromatography (UPLC)-electrospray/tandem mass spectrometry analysis provides rapid and simultaneous quantification of 1α,25-dihydroxyvitamin D3, 1α,25-dihydroxyvitamin D2, 24R,25-dihydroxyvitamin D 3, 25-hydroxyvitamin D3 and 25-hydroxyvitamin D 2 in 0.5 mL human serum at a lower limit of quantification of 25 pg/mL. Precision ranged from 1.6-4.8 % and 5-16 % for 25-hydroxyvitamin D 3 and 1α,25-dihydroxyvitamin D3, respectively, using solid-phase extraction.

Original languageEnglish (US)
Pages (from-to)1917-1930
Number of pages14
JournalAnalytical and Bioanalytical Chemistry
Volume391
Issue number5
DOIs
StatePublished - Jul 2008

Fingerprint

Liquid chromatography
Metabolites
Tandem Mass Spectrometry
Vitamin D
Liquid Chromatography
Mass spectrometry
Calcitriol
Calcifediol
Solid Phase Extraction
25-Hydroxyvitamin D 2
Technology
Dihydroxycholecalciferols
Liquids
Serum
Assays
Research

Keywords

  • 1α,25-Dihydroxyvitamin D
  • 24R,25-Dihydroxyvitamin D
  • 25-Hydroxyvitamin D
  • Derivatization
  • LC-MS
  • Metabolic profiling
  • UPLC

ASJC Scopus subject areas

  • Analytical Chemistry
  • Clinical Biochemistry

Cite this

Metabolic profiling of major vitamin D metabolites using Diels-Alder derivatization and ultra-performance liquid chromatography-tandem mass spectrometry. / Aronov, Pavel A.; Hall, Laura M.; Dettmer, Katja; Stephensen, Charles B.; Hammock, Bruce D.

In: Analytical and Bioanalytical Chemistry, Vol. 391, No. 5, 07.2008, p. 1917-1930.

Research output: Contribution to journalArticle

Aronov, Pavel A. ; Hall, Laura M. ; Dettmer, Katja ; Stephensen, Charles B. ; Hammock, Bruce D. / Metabolic profiling of major vitamin D metabolites using Diels-Alder derivatization and ultra-performance liquid chromatography-tandem mass spectrometry. In: Analytical and Bioanalytical Chemistry. 2008 ; Vol. 391, No. 5. pp. 1917-1930.
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