Hayflick, his limit, and cellular ageing
Abstract
Almost 40 years ago, Leonard Hayflick discovered that cultured normal human cells have limited capacity to divide, after which they become senescent -- a phenomenon now known as the 'Hayflick limit'. Hayflick's findings were strongly challenged at the time, and continue to be questioned in a few circles, but his achievements have enabled others to make considerable progress towards understanding and manipulating the molecular mechanisms of ageing.
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Finite cell lines undergo a programmed process of biological 'ageing' and eventually cease replication and enter a state of senescence.
“Finite cell lines are cultures of cells that can be sub-cultured many times but undergo a programmed process of biological 'ageing' (Campisi and di Fagagna, 2007) and eventually cease replication and enter a state of senescence (Shay and Wright, 2000; Swim and Parker, 1957).”
From Guidance document on Good cell and tissue culture practice 2.0 (GCCP 2.0) (2021) · cites this paper as Shay and Wright, 2000
Proliferating cells reach the Hayflick limit largely because repeated DNA replication in the absence of telomerase causes telomeres to progressively shorten and eventually malfunction.
“Over the ensuing decades, it was discovered that proliferating cells reach the so-called Hayflick limit largely because repeated DNA replication in the absence of telomerase causes telomeres to progressively shorten and eventually malfunction (Shay and Wright, 2000).”
From Senescent cells, tumor suppression, and organismal aging: good citizens, bad neighbors (2005) · cites this paper as Shay and Wright, 2000
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- Authors
- Shay, J. W., & Wright, W. E.
- Affiliations
- The University of Texas Southwestern Medical Center (US)
- Corresponding author
- Shay, Jerry W.
- Venue
- Nature Reviews Molecular Cell Biology
- Published
- 2000-10
- Volume
- 1
- Issue
- 1
- Pages
- 72-76
- ISSN
- 1471-0072 (ISSN-L)
- 1471-0080
- OpenAlex
- W1517051009
- Cited by
- 764
- References
- 48
- Citations by year
- 2026: 24 · 2025: 44 · 2024: 72 · 2023: 64 · 2022: 51 · 2021: 44 · 2020: 49 · 2019: 37 · 2018: 31 · 2017: 40 · 2016: 37 · 2015: 29 · 2014: 26 · 2013: 19 · 2012: 17
- FWCI
- 1.47
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- www.springer.com/tdm (tdm)
- Locations
- Nature Reviews Molecular Cell Biology (publishedVersion)
- 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 › Cell Biology › Microtubule and mitosis dynamics
- Keywords
- Hayflick limit, cellular senescence, cellular aging, replicative lifespan, human cell culture
- MeSH terms
- Aging, Cell Division, Cells, Cultured, Humans, Time Factors, United States, Telomere, Cellular Senescence, Telomerase, History, 19th Century, History, 20th Century, History, 21st Century
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