Reflections on telomere dynamics and ageing-related diseases in humans

Abraham Aviv, Jerry W. Shay

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Epidemiological studies have principally relied on measurements of telomere length (TL) in leucocytes, which reflects TL in other somatic cells. Leucocyte TL (LTL) displays vast variation across individuals-a phenomenon already observed in newborns. It is highly heritable, longer in females than males and in individuals of African ancestry than European ancestry. LTL is also longer in offspring conceived by older men. The traditional view regards LTL as a passive biomarker of human ageing. However, new evidence suggests that a dynamic interplay between selective evolutionary forces and TL might result in trade-offs for specific health outcomes. From a biological perspective, an active role of TL in ageing-related human diseases could occur because short telomeres increase the risk of a category of diseases related to restricted cell proliferation and tissue degeneration, including cardiovascular disease, whereas long telomeres increase the risk of another category of diseases related to increased proliferative growth, including major cancers. To understand the role of telomere biology in ageing-related diseases, it is essential to expand telomere research to newborns and children and seek further insight into the underlying causes of the variation in TL due to ancestry and geographical location.

Original languageEnglish (US)
Article number20160436
JournalPhilosophical Transactions of the Royal Society B: Biological Sciences
Volume373
Issue number1741
DOIs
StatePublished - Mar 5 2018

Fingerprint

telomeres
Telomere
human diseases
Aging of materials
leukocytes
Leukocytes
ancestry
Cell proliferation
Biomarkers
neonates
tissue degeneration
Health
Newborn Infant
Tissue
Geographical Locations
somatic cells
epidemiological studies
cardiovascular diseases
Epidemiologic Studies
biomarkers

Keywords

  • Ageing
  • Cancer
  • Cardiovascular disease
  • Evolution
  • Genetics
  • Telomeres

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Reflections on telomere dynamics and ageing-related diseases in humans. / Aviv, Abraham; Shay, Jerry W.

In: Philosophical Transactions of the Royal Society B: Biological Sciences, Vol. 373, No. 1741, 20160436, 05.03.2018.

Research output: Contribution to journalArticle

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