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The approximate formulas predicting personal somatic telomere length using patient blood test data.

Toyoki Maeda1,1, Takahiko Horiuchi1,1, Naoki Makino1,1

  • 1Kyushu University Beppu Hospital, Department of Internal Medicine, 4546 Tsurumihara, Beppu, Oita 874-0838, Japan.

Canadian Journal of Physiology and Pharmacology
|July 25, 2019
PubMed
Summary

Biological aging, linked to diseases, can be estimated by telomere length. This study developed predictive formulas using routine blood tests to estimate telomere length, offering a simpler clinical approach.

Keywords:
agingblood testformulaformulesexsexetelomeretélomèrevieillissementépreuves sanguines

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Area of Science:

  • Biochemistry
  • Gerontology
  • Hematology

Background:

  • Biological aging is a key factor in lifestyle-related diseases.
  • Telomere length in somatic cells is a biomarker for biological aging.
  • Current methods for telomere length measurement are laborious and lack clinical surrogates.

Purpose of the Study:

  • To identify correlations between peripheral leukocyte telomere length and routine laboratory data.
  • To develop predictive formulas for estimating personal telomere length using clinical data.
  • To establish sex-specific models for predicting telomere length.

Main Methods:

  • Analysis of blood test data and telomere length measurements (Southern blotting) from 232 patients.
  • Statistical correlation analysis to identify significant relationships between telomere length and laboratory parameters.
  • Development of regression formulas to predict telomere length based on age and blood markers.

Main Results:

  • Significant correlations were found between telomere length and various blood test parameters, with notable sex-related differences.
  • Formulas were derived to predict telomere length in men (based on age and hemoglobin) and women (based on age, albumin, white blood cells, red blood cells, and total cholesterol).
  • The developed formulas enable accurate, differential prediction of telomere length in male and female patients.

Conclusions:

  • Routine blood tests can be utilized to estimate biological aging via telomere length prediction.
  • The sex-specific formulas provide a practical and accessible method for assessing biological aging in clinical settings.
  • This approach may facilitate early detection and management of age-related diseases.