2015
DOI: 10.1038/bcj.2015.65
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Prognostic signature and clonality pattern of recurrently mutated genes in inactive chronic lymphocytic leukemia

Abstract: An increasing numbers of patients are being diagnosed with asymptomatic early-stage chronic lymphocytic leukemia (CLL), with no treatment indication at baseline. We applied a high-throughput deep-targeted analysis, especially designed for covering widely TP53 and ATM genes, in 180 patients with inactive disease at diagnosis, to test the independent prognostic value of CLL somatic recurrent mutations. We found that 40/180 patients harbored at least one acquired variant with ATM (n=17, 9.4%), NOTCH1 (n=14, 7.7%)… Show more

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Cited by 12 publications
(10 citation statements)
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“…Most importantly, the lack of any obvious impact of the identified mutations on disease progression after a prolonged follow up highlights the fact that the mere presence of a given driver mutation does not axiomatically equate with disease progression, as previously reported. 31 , 44 Additional studies are required in order to clarify this phenomenon.…”
Section: Discussionmentioning
confidence: 99%
“…Most importantly, the lack of any obvious impact of the identified mutations on disease progression after a prolonged follow up highlights the fact that the mere presence of a given driver mutation does not axiomatically equate with disease progression, as previously reported. 31 , 44 Additional studies are required in order to clarify this phenomenon.…”
Section: Discussionmentioning
confidence: 99%
“…Finally, elevated Gal-9 levels may also result from clonal expansion and dynamic development of CLL. A large body of evidence suggests that CLL is a clonal disease, consisting of cells of different phenotypes (56). Patients with a lower disease stage may develop a clonal expansion of tumor cells with a different growth rate and needs, compared with clone cells in patients with more advanced disease.…”
Section: Discussionmentioning
confidence: 99%
“…Выявление данной хромосомной аберрации зачастую ассоциировано с мутацией в гене АТМ, кодирующем киназу АТМ в ответ на проксимальное повреждение ДНК [4]. Для пациентов с del11q характерными клиническими признаками являются массивное увеличение лимфатических узлов, быстрая прогрессия заболевания, низкая эффективность химиотерапевтических программ и снижение выживаемости [29,30].…”
Section: биология опухоли: хромосомные и генетические нарушенияunclassified
“…Активация мутаций в гене NOTCH1 наблюдается у 10% пациентов с ХЛЛ на этапе верификации диагноза, но значительно чаще в группе химиорезистентных пациентов и пациентов с трансформацией в диффузную крупноклеточную В-клеточную лимфому -20% и 30% соответственно [27]. Ряд исследований демонстрируют, что наличие мутации NOTCH1 связано со снижением общей выживаемости (ОВ) [30,48,49], другие не выявляют данной связи [50], что безусловно требует дальнейших исследований.…”
Section: биология опухоли: хромосомные и генетические нарушенияunclassified
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