http://www.cnr.it/ontology/cnr/individuo/prodotto/ID198593
Telomeric DNA damage is irreparable and causes persistent DNA-damage-response activation. (Articolo in rivista)
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- Telomeric DNA damage is irreparable and causes persistent DNA-damage-response activation. (Articolo in rivista) (literal)
- Anno
- 2012-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1038/ncb2466 (literal)
- Alternative label
Fumagalli M, Rossiello F, Clerici M, Barozzi S, Cittaro D, Kaplunov JM, Bucci G, Dobreva M, Matti V, Beausejour CM, Herbig U, Longhese MP, d'Adda di Fagagna F. (2012)
Telomeric DNA damage is irreparable and causes persistent DNA-damage-response activation.
in Nature cell biology
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Fumagalli M, Rossiello F, Clerici M, Barozzi S, Cittaro D, Kaplunov JM, Bucci G, Dobreva M, Matti V, Beausejour CM, Herbig U, Longhese MP, d'Adda di Fagagna F. (literal)
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- http://www.nature.com/ncb/journal/v14/n4/full/ncb2466.html (literal)
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- IFOM Foundation--FIRC Institute of Molecular Oncology Foundation, Milan 20139, Italy
Marzia Fumagalli, Francesca Rossiello, Miryana Dobreva, Valentina Matti & Fabrizio d'Adda di Fagagna
Department of Biotechnology and Biosciences, University of Milano Bicocca, Milan 20126, Italy
Michela Clerici & Maria Pia Longhese
Department of Experimental Oncology, European Institute of Oncology, Milan 20139, Italy
Sara Barozzi
Center for Genomic Science of IIT@SEMM, Istituto Italiano di Tecnologia, at the IFOM-IEO Campus, Milan 20139, Italy
Davide Cittaro & Gabriele Bucci
Cogentech, Consortium for Genomic Technologies, Milan 20139, Italy
Davide Cittaro & Gabriele Bucci
Department of Microbiology and Molecular Genetics--NJMS-UH Cancer Center, Newark, New Jersey 07103, USA
Jessica M. Kaplunov & Utz Herbig
Department of Pharmacology, Université de Montréal & Centre Hospitalier Universitaire Sainte-Justine, Montréal, Quebec H3S 2G5, Canada
Christian M. Beausejour
Istituto di Genetica Molecolare, Consiglio Nazionale delle Ricerche, Pavia 27100, Italy
Fabrizio d'Adda di Fagagna (literal)
- Titolo
- Telomeric DNA damage is irreparable and causes persistent DNA-damage-response activation. (literal)
- Abstract
- The DNA-damage response (DDR) arrests cell-cycle progression until damage is removed. DNA-damage-induced cellular senescence is associated with persistent DDR. The molecular bases that distinguish transient from persistent DDR are unknown. Here we show that a large fraction of exogenously induced persistent DDR markers is associated with telomeric DNA in cultured cells and mammalian tissues. In yeast, a chromosomal DNA double-strand break next to a telomeric sequence resists repair and impairs DNA ligase 4 recruitment. In mammalian cells, ectopic localization of telomeric factor TRF2 next to a double-strand break induces persistent DNA damage and DDR. Linear, but not circular, telomeric DNA or scrambled DNA induces a prolonged checkpoint in normal cells. In terminally differentiated tissues of old primates, DDR markers accumulate at telomeres that are not critically short. We propose that linear genomes are not uniformly reparable and that telomeric DNA tracts, if damaged, are irreparable and trigger persistent DDR and cellular senescence. (literal)
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