Results 11 to 20 of about 110,933 (294)
A ‘higher order’ of telomere regulation: telomere heterochromatin and telomeric RNAs [PDF]
The EMBO Journal, 2009 Protection of chromosome ends from DNA repair and degradation activities is mediated by specialized protein complexes bound to telomere repeats. Recently, it has become apparent that epigenetic regulation of the telomeric chromatin template critically impacts on telomere function and telomere-length homeostasis from yeast to man.
Stefan Schoeftner, Marı́a A. Blasco
openalex +5 more sources
The human telomeric proteome during telomere replication [PDF]
Nucleic Acids Research, 2020 Abstract Telomere shortening can cause detrimental diseases and contribute to aging. It occurs due to the end replication problem in cells lacking telomerase. Furthermore, recent studies revealed that telomere shortening can be attributed to difficulties of the semi-conservative DNA replication machinery to replicate the bulk of ...
Chih-Yi Gabriela Lin +5 more
openaire +3 more sources
EMBO reports, 2002 Telomeres are protein–DNA complexes that cap chromosome ends and protect them from being recognized and processed as DNA breaks. Loss of capping function results in genetic instability and loss of cellular viability. The emerging view is that maintenance of an appropriate telomere structure is essential for function. Structural information on telomeric
Daniela, Rhodes +4 more
openaire +2 more sources
Retrotransposons and Telomeres
Biochemistry (Moscow), 2023 Abstract Transposable elements (TEs) comprise a significant part of eukaryotic genomes being a major source of genome instability and mutagenesis. Cellular defense systems suppress the TE expansion at all stages of their life cycle. Piwi proteins and Piwi-interacting RNAs (piRNAs) are key elements of the anti-transposon
Alla I, Kalmykova, Olesya A, Sokolova
openaire +2 more sources
Telomeres and Telomere Length: A General Overview [PDF]
Cancers, 2020 Telomeres are highly conserved tandem nucleotide repeats that include proximal double-stranded and distal single-stranded regions that in complex with shelterin proteins afford protection at chromosomal ends to maintain genomic integrity. Due to the inherent limitations of DNA replication and telomerase suppression in most somatic cells, telomeres ...
Nalini Srinivas +2 more
openaire +2 more sources
Nature Communications, 2019 An amendment to this paper has been published and can be accessed via a link at the top of the paper.
Robert Lu +9 more
doaj +1 more source
Telomere reprogramming and maintenance in porcine iPS cells. [PDF]
PLoS ONE, 2013 Telomere reprogramming and silencing of exogenous genes have been demonstrated in mouse and human induced pluripotent stem cells (iPS cells). Pigs have the potential to provide xenotransplant for humans, and to model and test human diseases.
Guangzhen Ji +15 more
doaj +1 more source
Sir4 Deficiency Reverses Cell Senescence by Sub-Telomere Recombination
Cells, 2021 Telomere shortening results in cellular senescence and the regulatory mechanisms remain unclear. Here, we report that the sub-telomere regions facilitate telomere lengthening by homologous recombination, thereby attenuating senescence in yeast ...
Jun Liu +4 more
doaj +1 more source
hnRNPA2 mediated acetylation reduces telomere length in response to mitochondrial dysfunction. [PDF]
PLoS ONE, 2018 Telomeres protect against chromosomal damage. Accelerated telomere loss has been associated with premature aging syndromes such as Werner's syndrome and Dyskeratosis Congenita, while, progressive telomere loss activates a DNA damage response leading to ...
Manti Guha +12 more
doaj +1 more source
Telomere-driven diseases and telomere-targeting therapies [PDF]
Journal 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