LC-MS/MS Analysis of Bile Acids.

Area of Science:

• Biochemistry
• Metabolomics
• Analytical Chemistry

Background:

• Bile acids (BAs) are traditionally known as lipid solubilizers.
• Emerging evidence highlights BAs as critical bioactive signaling molecules.
• BAs interact with G-protein-coupled and nuclear hormone receptors to regulate metabolism.

Purpose of the Study:

• To develop and validate a novel analytical method for BA quantification.
• To provide a simple, accurate, and fast technique for BA measurement in human biofluids.

Main Methods:

• Liquid chromatography-tandem mass spectrometry (LC-MS/MS) was employed.
• The method was optimized for human plasma and serum samples.
• Validation focused on accuracy, precision, and speed.

Main Results:

• A simple, accurate, and fast LC-MS/MS method for BA quantification was established.
• The method is suitable for analyzing BAs in human plasma and serum.
• This technique facilitates further research into BA functions.

Conclusions:

• The developed LC-MS/MS method offers a reliable tool for BA analysis.
• Accurate quantification of BAs is crucial for understanding their role in metabolism.
• This method supports advancements in metabolic research and diagnostics.