Development and quantitative evaluation of a high-resolution metabolomics technology.

Area of Science:

• Analytical Chemistry
• Biochemistry
• Metabolomics

Background:

• Mass spectrometry advances enable human metabolism characterization for disease insights.
• Existing metabolomics technologies have limitations in scope and sensitivity.

Purpose of the Study:

• To describe a novel metabolomics strategy integrating recent mass spectrometry improvements.
• To enhance the sensitivity, speed, and scope of metabolite profiling.

Main Methods:

• Utilized a high-resolution Orbitrap mass spectrometer with faster scanning speeds and improved ion optics.
• Coupled the mass spectrometer with HILIC chromatography for enhanced separation.
• Developed a platform for simultaneous polarity switching and enhanced sensitivity.

Main Results:

• Quantified over 339 metabolites from HCT8 cell extracts with a 4-order linear range in a single run.
• Detected over 3000 additional potential metabolites in mammalian cells.
• Characterized the metabolomes of eight colorectal cancer cell lines, revealing metabolic commonalities and heterogeneities.

Conclusions:

• The developed metabolomics platform enables simultaneous profiling and quantitation of the human metabolome.
• This approach advances the study of metabolism in diseases such as colorectal cancer.