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Updated: Jun 12, 2026
14:39
Semi-Targeted Ultra-High-Performance Chromatography Coupled to Mass Spectrometry Analysis of Phenolic Metabolites in Plasma of Elderly Adults
Published on: April 22, 2022
Development of a serum profile for healthy aging
Lauri O Byerley1, Larry Leamy, Sun W Tam
1Physiology Department, Louisiana State University Health Science Center, 1901 Perdido St, New Orleans, LA 70112, USA. lbyerl@lsuhsc.edu
Age (Dordrecht, Netherlands)
|May 22, 2010
Summary
Researchers explored serum protein patterns to find longevity biomarkers. A pilot study identified seven protein spots distinguishing age groups, but further validation is needed for reliable prediction of healthy aging.
Area of Science:
- Gerontology
- Proteomics
- Biomarker Discovery
Background:
- An increasing number of Americans are living to 85 and beyond.
- Currently, no reliable biomarkers exist to predict extreme longevity.
Purpose of the Study:
- To identify a potential serum protein pattern associated with longevity.
- To determine if this pattern serves as a biomarker for longevity in an independent sample.
Main Methods:
- Serum samples from three age cohorts (20-34, 60-74, ≥90 years) were analyzed.
- Proteins were separated using two-dimensional gel electrophoresis after removing the 12 most abundant.
- Multivariate discriminant analysis identified distinguishing protein spots.
Main Results:
- Seven protein spots successfully differentiated the three age groups in the initial cohort.
- Validation in an independent sample showed limited success, with only 8 of 15 subjects correctly classified.
- Preliminary findings suggest a proteomics approach can reveal potential aging and longevity markers.
Conclusions:
- Proteomics offers a viable strategy for identifying novel biomarkers related to aging and longevity.
- Further research and validation are necessary to refine these potential longevity markers.
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