2007
DOI: 10.1053/j.gastro.2007.01.045
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Telomerase Deletion Limits Progression of p53-Mutant Hepatocellular Carcinoma With Short Telomeres in Chronic Liver Disease

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Cited by 58 publications
(33 citation statements)
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“…In contrast to the tumor-promoting effects of transient telomere dysfunction in telomerase-proficient mice, telomere dysfunction impaired tumor progression in telomerase-knockout mice (4,6). aCGH analysis of HCCs from G3 mTerc -/-revealed similarly high levels of chromosomal aberrations compared with tumors of TTD + mice (Figure 3, A and B, and Table 1).…”
Section: Resultsmentioning
confidence: 94%
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“…In contrast to the tumor-promoting effects of transient telomere dysfunction in telomerase-proficient mice, telomere dysfunction impaired tumor progression in telomerase-knockout mice (4,6). aCGH analysis of HCCs from G3 mTerc -/-revealed similarly high levels of chromosomal aberrations compared with tumors of TTD + mice (Figure 3, A and B, and Table 1).…”
Section: Resultsmentioning
confidence: 94%
“…Both checkpoints represent potent tumor-suppressor mechanisms, and tumor cells need to activate telomere maintenance mechanisms -telomerase activation or alternative mechanisms of telomere lengthening (ALT) -in order to gain immortal growth capacity (2). Genetic deletion or pharmacological inhibition of telomerase significantly suppressed the tumor-forming capacity of human cancer cells as well as the progression of tumors in mouse models (3)(4)(5)(6)(7).…”
Section: Introductionmentioning
confidence: 99%
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“…These mice show increased susceptibility to adenoma development (tumor initiation), but they are quite resistant to fully malignant tumor development [82]. Likewise, telomerase deletion limits the progression of p53-mutant HCCs with short telomeres [83]. These observations suggest that the aberrations affecting telomerase activity and senescence controlling genes such as p53 may cooperate during hepatocellular carcinogenesis.…”
Section: Senescence Pathway Aberrations and Telomerase Reactivation Imentioning
confidence: 94%
“…De plus, les conséquences d'un dysfonctionnement télomérique en l'absence de p53 sont encore mal connues. Il est notamment intéressant qu'en l'absence de p53, la télomérase limite l'activation de voies supprimant la carcinogenèse hépatique [46]. ‡…”
Section: Potentiel Thérapeutique De La Sénescence Induite Par Ciblageunclassified