2001
DOI: 10.1016/s1383-5718(01)00279-0
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Sex chromosome loss, micronuclei, sister chromatid exchange and aging: a study including 16 centenarians

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Cited by 80 publications
(48 citation statements)
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“…Other studies have determined the effect of aging on HR by measuring SCEs in young and aged fibroblasts and lymphocytes. Interestingly, analyses of SCEs with age show conflicting results, with some studies showing no change in the spontaneous frequency of SCEs with age [69][70][71] and others indicating an increase in SCE frequency with age [72][73][74]. Thus, unlike some DNA repair pathways that exhibit decreased repair capacity with age, the ability of cells to undergo HR does not decrease with age, and, in fact, some studies suggest that the rate of HR may even be increased in aged cells [75].…”
Section: Discussionmentioning
confidence: 99%
“…Other studies have determined the effect of aging on HR by measuring SCEs in young and aged fibroblasts and lymphocytes. Interestingly, analyses of SCEs with age show conflicting results, with some studies showing no change in the spontaneous frequency of SCEs with age [69][70][71] and others indicating an increase in SCE frequency with age [72][73][74]. Thus, unlike some DNA repair pathways that exhibit decreased repair capacity with age, the ability of cells to undergo HR does not decrease with age, and, in fact, some studies suggest that the rate of HR may even be increased in aged cells [75].…”
Section: Discussionmentioning
confidence: 99%
“…Podaci o višim vrijednostima MN u žena nego muškaraca navode se i u drugim istraživanjima (13,(31)(32)(33)(34). Taj se fenomen uglavnom tumači gubitkom jednog od X-kromosoma putem MN (10,35,36). Pozitivna korelacija između učestalosti MN i životne dobi utvrđena je u mnogim istraživanjima (8,21,31,33,(37)(38)(39)(40)(41).…”
Section: Raspravaunclassified
“…Međutim, primjenom tehnike fl uorescencijske in situ hibridizacije (FISH) može se točno utvrditi koji su kromosomi sadržani u MN. Osim ranije navedenog gubitka X-kromosoma, dokazano je da se starenjem putem MN gube i Ykromosomi (36,44,45). Norppa i Falck (46) na osnovi opsežne analize rezultata brojnih studija navode da između 30 % i 80 % spontano nastalih MN u ljudskim limfocitima sadržava čitave kromosome.…”
Section: Raspravaunclassified
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“…Existen diversos factores que pueden influir en la frecuencia basal de MN; la edad ha sido ampliamente estudiada, relacionándose mayor edad con mayor índice de MN 11,13,14 . En el caso del análisis del géne-ro, las mujeres presentan una frecuencia basal superior a la de los hombres y el número de MN incrementa cuando se superan los 35 años de edad.…”
Section: Factores De Variabilidadunclassified