Characterization of karyotypic events and evolution in neuroblastoma

Pediatric Blood & Cancer
David R BettsF K Niggli

Abstract

Neuroblastoma (NB) is cytogenetically characterized by a number of non-random events. However, knowledge is limited concerning the timing of occurrence and inter-action of many of these events. Karyotypic patterns were obtained from a study group of 49 NB tumors that had been analyzed by conventional cytogenetics combined with FISH and in some instances SKY. All chromosomes were involved in a numerical and structural aberration in at least one tumor. There was a positive correlation between the occurrence of MYCN and del(1p) and between del(1p) and 17q. Aberrations involving chromosomes X, 3, 19, and del(1p) could be considered early events, whereas those involving chromosomes 9, 13, 15, 18, 20, and 21 were often late events. This study suggests that the karyotypic patterns characterizing NB are complex. There are aberrations that can be grouped into early or late karyotypic events, but others, such as gain of 17q, are variable.

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Citations

Sep 28, 2007·Journal of Carcinogenesis·David GisselssonMattias Höglund
Jun 25, 2008·Virchows Archiv : an International Journal of Pathology·Eva VillamónRosa Noguera
May 1, 2008·Ultrastructural Pathology·Julia A Bridge
Apr 5, 2013·Toxicology and Industrial Health·Elanur AydinMevlüt Sait Keles
Jun 3, 2006·Clinical Cancer Research : an Official Journal of the American Association for Cancer Research·Ruediger SpitzFrank Berthold

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