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Related Experiment Video

Updated: Jun 12, 2026

Quantitative Analysis of Dietary Vitamin A Metabolites in Murine Ocular and Non-Ocular Tissues Using High-Performance Liquid Chromatography
05:03

Quantitative Analysis of Dietary Vitamin A Metabolites in Murine Ocular and Non-Ocular Tissues Using High-Performance Liquid Chromatography

Published on: December 27, 2024

HPLC/MS(N) analysis of retinoids.

James E Evans1, Peter McCaffery

  • 1Department of Biochemistry and Molecular Pharmacology, University of Massachusetts Medical School, Worcester, MA 01655, USA.

Methods in Molecular Biology (Clifton, N.J.)
|June 17, 2010
PubMed
Summary

This study presents a sensitive method for quantifying retinoids, crucial for gene regulation. The technique accurately measures retinoic acid (RA) and its metabolites, even in challenging tissues like the brain.

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Analytical Chemistry

Background:

  • Retinoids, including retinol and retinoic acid (RA), are vital regulators of gene expression.
  • RA signaling is transient and tightly controlled through oxidation to metabolites like 4-oxo-RA.
  • Retinoids are labile and present at low concentrations, posing analytical challenges.

Purpose of the Study:

  • To develop a highly sensitive and selective method for quantifying retinoids.
  • To enable simultaneous analysis of multiple retinoids and their metabolites.
  • To address the challenges of retinoid extraction and stability, particularly for retinoic acid (RA) in sensitive tissues.

Main Methods:

  • Normal-phase High-Performance Liquid Chromatography (HPLC) coupled with Atmospheric Pressure Chemical Ionization Mass Spectrometry (APCI-MS(n)).
  • Development of specific extraction techniques to preserve retinoid integrity.
  • Optimization of analytical conditions for sensitivity and selectivity.

Main Results:

  • The developed HPLC-APCI-MS(n) method allows for rapid and simultaneous quantification of retinoids.
  • The protocol effectively extracts retinoids while minimizing degradation.
  • Demonstrated applicability to complex matrices, including the high-lipid content of the central nervous system.

Conclusions:

  • HPLC with online APCI-MS(n) is a powerful technique for retinoid quantification.
  • This method is essential for studying the role of retinoids in embryonic development and adult CNS function.
  • The protocol provides indispensable tools for determining retinoid concentrations in small tissue areas with high sensitivity.

Related Experiment Videos

Last Updated: Jun 12, 2026

Quantitative Analysis of Dietary Vitamin A Metabolites in Murine Ocular and Non-Ocular Tissues Using High-Performance Liquid Chromatography
05:03

Quantitative Analysis of Dietary Vitamin A Metabolites in Murine Ocular and Non-Ocular Tissues Using High-Performance Liquid Chromatography

Published on: December 27, 2024