Results 21 to 30 of about 114,134 (356)

Generation of mice with longer and better preserved telomeres in the absence of genetic manipulations

open access: yesNature Communications, 2016
Telomere shortening has been linked to some aspects of organismal ageing. Here the authors create chimaeric mice that contain a mix of cells with normal or unnaturally long telomeres, and show chimaeric mice are protected from some forms of ageing ...
Elisa Varela   +4 more
doaj   +1 more source

Telomere dysfunction accurately predicts clinical outcome in chronic lymphocytic leukaemia, even in patients with early stage disease [PDF]

open access: yes, 2014
© 2014 John Wiley & Sons Ltd. Defining the prognosis of individual cancer sufferers remains a significant clinical challenge. Here we assessed the ability of high-resolution single telomere length analysis (STELA), combined with an experimentally ...
Allan, James M.   +14 more
core   +1 more source

TRF2 controls telomeric nucleosome organization in a cell cycle phase-dependent manner [PDF]

open access: yes, 2012
Mammalian telomeres stabilize chromosome ends as a result of their assembly into a peculiar form of chromatin comprising a complex of non-histone proteins named shelterin.
Bauwens, Serge   +10 more
core   +9 more sources

Mice with hyper-long telomeres show less metabolic aging and longer lifespans

open access: yesNature Communications, 2019
Telomere shortening is associated with aging. Here the authors analyze mice with hyperlong telomeres and demonstrate that longer telomeres than normal have beneficial effects such as delayed metabolic aging, increased longevity and less incidence of ...
Miguel A. Muñoz-Lorente   +2 more
doaj   +1 more source

Telomeres and telomerase as therapeutic targets to prevent and treat age-related diseases [version 1; referees: 4 approved]

open access: yesF1000Research, 2016
Telomeres, the protective ends of linear chromosomes, shorten throughout an individual’s lifetime. Telomere shortening is a hallmark of molecular aging and is associated with premature appearance of diseases associated with aging.
Christian Bär, Maria A. Blasco
doaj   +1 more source

The pif1 helicase, a negative regulator of telomerase, acts preferentially at long telomeres. [PDF]

open access: yesPLoS Genetics, 2015
Telomerase, the enzyme that maintains telomeres, preferentially lengthens short telomeres. The S. cerevisiae Pif1 DNA helicase inhibits both telomerase-mediated telomere lengthening and de novo telomere addition at double strand breaks (DSB).
Jane A Phillips   +3 more
doaj   +1 more source

Telomeres in ICF syndrome cells are vulnerable to DNA damage due to elevated DNA:RNA hybrids. [PDF]

open access: yes, 2017
DNA:RNA hybrids, nucleic acid structures with diverse physiological functions, can disrupt genome integrity when dysregulated. Human telomeres were shown to form hybrids with the lncRNA TERRA, yet the formation and distribution of these hybrids among ...
Chédin, Frédéric   +9 more
core   +1 more source

Testing three hypotheses about effects of sensitive-insensitive parenting on telomeres. [PDF]

open access: yes, 2020
Telomeres are the protective DNA-protein sequences appearing at the ends of chromosomes; they shorten with each cell division and are considered a biomarker of aging.
Beijers, Roseriet   +6 more
core   +1 more source

XPF activates break-induced telomere synthesis

open access: yesNature Communications, 2022
Here the authors show TERRA R-loops recruit the endonuclease XPF to telomeres, leading to DNA double-strand breaks to activate break-induced telomere synthesis at telomeres that utilize the alternative lengthening of telomeres (ALT) pathway to extend ...
Chia-Yu Guh   +15 more
doaj   +1 more source

Telomere-driven diseases and telomere-targeting therapies [PDF]

open access: yesJournal of Cell Biology, 2017
Telomeres, the protective ends of linear chromosomes, shorten throughout an individual’s lifetime. Telomere shortening is proposed to be a primary molecular cause of aging. Short telomeres block the proliferative capacity of stem cells, affecting their potential to regenerate tissues, and trigger the development of age-associated diseases. Mutations in
Paula Martínez, Maria A. Blasco
openaire   +3 more sources

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