Telomeres as Biomarkers for Ageing and Age-Related Diseases

Abstract excerpt

Telomeres in telomerase-negative cells shorten during DNA replication in vitro due to numerous causes including the inability of DNA polymerases to fully copy the lagging strand, DNA end processing and random damage, often caused by oxidative stress. Short telomeres activate replicative senescence, an irreversible cell cycle arrest. Thus, telomere length is an indicator of replicative history, of the probability...

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