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Related Experiment Video

Updated: Dec 11, 2025

Sheathless Capillary Electrophoresis–Mass Spectrometry for Metabolic Profiling of Biological Samples
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Noninvasive Epidermal Metabolite Profiling.

Katarina M Stoffers1, Ashley A Cronkright2, Gordon S Huggins2

  • 1Department of Developmental, Molecular, and Chemical Biology, Tufts University School of Medicine, 136 Harrison Avenue, Boston, Massachusetts 02111, United States.

Analytical Chemistry
|August 25, 2020
PubMed
Summary
This summary is machine-generated.

Skin surface metabolite analysis using NMR spectroscopy reveals lower lactate levels in heart failure patients. This non-invasive technique may offer new insights into diagnosing heart conditions and assessing overall health.

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Area of Science:

  • Biochemistry
  • Dermatology
  • Medical Diagnostics

Background:

  • Skin surface metabolites are abundant and originate from various sources, including sweat glands.
  • The response of skin metabolites to metabolic or hemodynamic changes is not well understood.
  • Epidermal metabolite profiling offers a potential non-invasive diagnostic approach.

Purpose of the Study:

  • To investigate if skin surface metabolites can serve as indicators of heart failure.
  • To explore the potential of epidermal metabolite profiling for health assessments.

Main Methods:

  • Utilized 1H NMR spectroscopy to assay metabolites extracted from brief skin contact.
  • Analyzed metabolite levels in individuals with and without heart failure.

Main Results:

  • Significantly lower levels of lactate and other molecules were observed in heart failure patients compared to healthy individuals.
  • Glycine and serine levels increased as a percentage of total amino acids in heart failure patients.
  • Reduced blood flow to sweat glands may explain the observed metabolite level changes in heart failure.

Conclusions:

  • Epidermal metabolite profiling shows promise as a non-invasive method for assessing heart failure.
  • This technique could potentially aid in diagnosing conditions where objective measures are lacking.
  • Skin metabolite analysis may have broader applications in human health assessments.