Cited by 126Telomeres, Telomerase, and SenescenceGenetics, Aging, and Longevity in Model OrganismsEpigenetics and DNA Methylation

Comparison of the relative telomere length measured in leukocytes and eleven different human tissues

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DLOUHA, D., MALUSKOVA, J., KRALOVA LESNA, I., LANSKA, V., HUBACEK, J. A.·2014·Physiological Research

Abstract

The relative length of telomeres measured in peripheral blood leukocytes is a commonly used system marker for biological aging and can also be used as a biomarker of cardiovascular aging. However, to what extent the telomere length in peripheral leukocytes reflects telomere length in different organ tissues is still unclear. Therefore, we have measured relative telomere length (rTL) in twelve different human tissues (peripheral blood leukocytes, liver, kidney, heart, spleen, brain, skin, triceps, tongue mucosa, intercostal skeletal muscle, subcutaneous fat, and abdominal fat) from twelve cadavers (age range of 29 week of gestation to 88 years old). The highest rTL variability was observed in peripheral leukocytes, and the lowest variability was found in brain. We found a significant linear correlation between leukocyte rTL and both intercostal muscle (R=0.68, P<0.02) and liver rTL (R=0.60, P<0.05) only. High rTL variability was observed between different organs from one individual. Furthermore, we have shown that even slight DNA degradation (modeled by sonication of genomic DNA) leads to false rTL shortening. We conclude that the rTL in peripheral leukocytes is not strongly correlated with the rTL in different organs.

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Authors
DLOUHA, D., MALUSKOVA, J., KRALOVA LESNA, I., LANSKA, V., & HUBACEK, J. A.
Affiliations
  • Center for Experimental Medicine, Institute for Clinical and Experimental Medicine, Prague, Czech Republic
  • Institute of Clinical and Experimental Medicine (CZ)
Venue
Physiological Research
Published
2014-11-15
Volume
63
Issue
Suppl 3
Pages
S343-S350
ISSN
  • 0862-8408 (ISSN-L)
  • 1802-9973
OpenAlex
W2341817121
Cited by
126
References
21
Citations by year
2026: 2 · 2025: 4 · 2024: 4 · 2023: 5 · 2022: 11 · 2021: 11 · 2020: 21 · 2019: 17 · 2018: 13 · 2017: 16 · 2016: 14 · 2015: 7
FWCI
8.22
Type
journal article
Language
en
Open access
Licence
cc-by-nc
Locations
  • Physiological Research (publishedVersion, cc-by-nc)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Epigenetics and DNA Methylation
Keywords
relative telomere length, telomere length, peripheral blood leukocytes, biological aging, cardiovascular aging, DNA degradation, liver, cadaveric tissue, biomarkers
MeSH terms
Adolescent, Adult, Aged, Aged, 80 and over, Aging, Brain, Child, Child, Preschool, DNA Damage, Female, Fetus, Humans, Infant, Infant, Newborn, Leukocytes, Mononuclear, Male, Middle Aged, Telomere, Young Adult, Telomere Shortening

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