Comparison of telomere length measurement methods

Research output: Contribution to journalReview article

16 Citations (Scopus)

Abstract

The strengths and limitations of the major methods developed to measure telomere lengths (TLs) in cells and tissues are presented in this review. These include Q-PCR (Quantitative Polymerase Chain Reaction), TRF (Terminal Restriction Fragment) analysis, a variety of Q-FISH(Quantitative Fluorescence In Situ Hybridization) methods, STELA (Single TElomere Length Analysis) and TeSLA (Telomere Shortest Length Assay). For each method, we will cover information about validation studies, including reproducibility in independent laboratories, accuracy, reliability and sensitivity for measuring not only the average but also the shortest telomeres. There is substantial evidence that it is the shortest telomeres that trigger DNA damage responses leading to replicative senescence in mammals. However, the most commonly used TL measurement methods generally provide information on average or relative TL, but it is the shortest telomeres that leads to telomere dysfunction (identified by TIF, Telomere dysfunction Induced Foci) and limit cell proliferation in the absence of a telomere maintenance mechanism, such as telomerase. As the length of the shortest telomeres is a key biomarker determining cell fate and the onset of senescence, a new technique (TeSLA) that provides quantitative information about all the shortest telomeres will be highlighted.

Original languageEnglish (US)
Article number20160451
JournalPhilosophical Transactions of the Royal Society B: Biological Sciences
Volume373
Issue number1741
DOIs
StatePublished - Mar 5 2018

Fingerprint

telomeres
Telomere
Assays
Mammals
Telomerase
Polymerase chain reaction
Cell proliferation
Biomarkers
Fluorescence
Tissue
DNA
methodology
telomerase
Cell Aging
Validation Studies
assays
Fluorescence In Situ Hybridization
DNA damage
reproducibility
in situ hybridization

Keywords

  • Q-FISH
  • Q-PCR
  • STELA
  • TeSLA
  • TRF

ASJC Scopus subject areas

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

Cite this

Comparison of telomere length measurement methods. / Lai, Tsung Po; Wright, Woodring E.; Shay, Jerry W.

In: Philosophical Transactions of the Royal Society B: Biological Sciences, Vol. 373, No. 1741, 20160451, 05.03.2018.

Research output: Contribution to journalReview article

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