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BACKGROUND The chromodomain, helicase DNA-binding protein 5 (CHD5) is a potential tumor suppressor gene located on chromosome 1p36, a region recurrently deleted in high risk neuroblastoma (NB). Previous data have shown that CHD5 mRNA is present in normal neural tissues and in low risk NB, nevertheless, the distribution of CHD5 protein has not been explored.(More)
PURPOSE Neuroblastoma is an embryonal tumor with contrasting clinical courses. Despite elaborate stratification strategies, precise clinical risk assessment still remains a challenge. The purpose of this study was to develop a PCR-based predictor model to improve clinical risk assessment of patients with neuroblastoma. EXPERIMENTAL DESIGN The model was(More)
Neuroblastoma (NB) is one of the most frequently occurring extracranial solid tumors of childhood (Maris et al., 2007 [1]; Brodeur, 2003 [2]). Probability of cure varies according to patient's age, extent of disease and tumor biology (Maris et al., 2007 [1]; Brodeur, 2003 [2]; Cohn et al., 2009 [3]). However, the etiology of this developmental tumor is(More)
Neuroblastoma (NB) pathogenesis has been reported to be closely associated with numerous genetic alterations. However, underlying DNA methylation patterns have not been extensively studied in this developmental malignancy. Here, we generated microarray-based DNA methylation profiles of primary neuroblastic tumors. Stringent supervised differential(More)
Neuroblastic tumors (NBT) are composed by neuroblasts and Schwannian-like stroma. The origin of these two cell subtypes remains unclear. In this study, we describe, a neuroblastic-like subpopulation in neuroblastoma (NB) coexpressing GD2 and S100A6, neuroblastic and glial lineage markers respectively. The GD2(+)/S100A6(+) neuroblastic subpopulation was(More)
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