Deleting Ku70 is milder than deleting Ku80 in p53-mutant mice and cells
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چکیده
منابع مشابه
Deletion of Individual Ku Subunits in Mice Causes an NHEJ-Independent Phenotype Potentially by Altering Apurinic/Apyrimidinic Site Repair
Ku70 and Ku80 form a heterodimer called Ku that forms a holoenzyme with DNA dependent-protein kinase catalytic subunit (DNA-PKCS) to repair DNA double strand breaks (DSBs) through the nonhomologous end joining (NHEJ) pathway. As expected mutating these genes in mice caused a similar DSB repair-defective phenotype. However, ku70(-/-) cells and ku80(-/-) cells also appeared to have a defect in ba...
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Absence of Ku80 results in increased sensitivity to ionizing radiation, defective lymphocyte development, early onset of an age-related phenotype, and premature replicative senescence. Here we investigate the role of p53 on the phenotype of ku80-mutant mice and cells. Reducing levels of p53 increased the cancer incidence for ku80(-/-) mice. About 20% of ku80(-/-) p53(+/-) mice developed a broad...
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ژورنال
عنوان ژورنال: Oncogene
سال: 2009
ISSN: 0950-9232,1476-5594
DOI: 10.1038/onc.2009.57