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- Hayflick_limit abstract "The Hayflick limit (or Hayflick phenomenon) is the number of times a normal human cell population will divide until cell division stops. Empirical evidence shows that the telomeres associated with each cell's DNA will get slightly shorter with each new cell division until they shorten to a critical length.The concept of the Hayflick limit was advanced by Leonard Hayflick in 1961, at the Wistar Institute in Philadelphia. Hayflick demonstrated that a population of normal human fetal cells in a cell culture will divide between 40 and 60 times. The population will then enter a senescence phase, which refutes the contention by Nobel laureate Alexis Carrel that normal cells are immortal. Each mitosis slightly shortens each of the telomeres on the DNA of the cells. Telomere shortening in humans eventually makes cell division impossible, and this aging of the cell population appears to correlate with the overall physical aging of the human body. This mechanism also appears to prevent genomic instability. Telomere shortening may also prevent the development of cancer in human aged cells by limiting the number of cell divisions. However, shortened telomeres impair immune function that might also increase cancer susceptibility.".
- Hayflick_limit wikiPageExternalLink Biology-of-Lifespan-5.6.pdf.
- Hayflick_limit wikiPageExternalLink mg19626255.600-chromosome-caps-may-explain-cell-immortality.html.
- Hayflick_limit wikiPageExternalLink 15.
- Hayflick_limit wikiPageID "1404523".
- Hayflick_limit wikiPageRevisionID "597926976".
- Hayflick_limit hasPhotoCollection Hayflick_limit.
- Hayflick_limit subject Category:Ageing.
- Hayflick_limit subject Category:Cellular_senescence.
- Hayflick_limit subject Category:Genetics.
- Hayflick_limit subject Category:Gerontology.
- Hayflick_limit subject Category:Life_extension.
- Hayflick_limit subject Category:Senescence.
- Hayflick_limit comment "The Hayflick limit (or Hayflick phenomenon) is the number of times a normal human cell population will divide until cell division stops. Empirical evidence shows that the telomeres associated with each cell's DNA will get slightly shorter with each new cell division until they shorten to a critical length.The concept of the Hayflick limit was advanced by Leonard Hayflick in 1961, at the Wistar Institute in Philadelphia.".
- Hayflick_limit label "Hayflick limit".
- Hayflick_limit label "Hayflick-Grenze".
- Hayflick_limit label "Limit Hayflicka".
- Hayflick_limit label "Limite de Hayflick".
- Hayflick_limit label "Limite de Hayflick".
- Hayflick_limit label "Límite de Hayflick".
- Hayflick_limit label "Предел Хейфлика".
- Hayflick_limit label "ヘイフリック限界".
- Hayflick_limit label "海佛烈克極限".
- Hayflick_limit sameAs Hayflick-Grenze.
- Hayflick_limit sameAs Límite_de_Hayflick.
- Hayflick_limit sameAs Limite_de_Hayflick.
- Hayflick_limit sameAs ヘイフリック限界.
- Hayflick_limit sameAs Limit_Hayflicka.
- Hayflick_limit sameAs Limite_de_Hayflick.
- Hayflick_limit sameAs m.04zwpj.
- Hayflick_limit sameAs Q899798.
- Hayflick_limit sameAs Q899798.
- Hayflick_limit wasDerivedFrom Hayflick_limit?oldid=597926976.
- Hayflick_limit isPrimaryTopicOf Hayflick_limit.