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Array-based comparative genomic hybridization analysis of primary neuroblastoma

ABSTRACT: We conducted microarray-based comparative genomic hybridization (array-CGH) with a DNA chip carrying 2,464 BAC clones to examine genomic aberrations of 236 neuroblastomas (112 sporadic and 124 mass screening-detected). In paralell, gene-expression profiling was also performed by using in-house cDNA microarrays. Keywords: Comparative genomic hybridization

ORGANISM(S): Homo sapiens

PROVIDER: GSE5784 | GEO | 2007/08/06

SECONDARY ACCESSION(S): PRJNA97137

REPOSITORIES: GEO

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Array-based comparative genomic hybridization analysis of primary neuroblastoma

Project description:We conducted microarray-based comparative genomic hybridization (array-CGH) with a DNA chip carrying 2,464 BAC clones to examine genomic aberrations of 236 neuroblastomas (112 sporadic and 124 mass screening-detected). In paralell, gene-expression profiling was also performed by using in-house cDNA microarrays. Keywords: Comparative genomic hybridization A UCSF BAC array carrying 2,464 clones, which covers the whole human genome at roughly 1.2-Mb resolution, was used. The 500-ng aliquots of tumors and reference DNAs were labeled by random priming with each Cy3-dCTP and Cy5-dCTP (Amersham Pharmacia, Piscataway, NJ). Hybridization was performed as previously reported [Pinkel D, et al. Nat Genet 1998;20:207-11.]. UCSF Spot and UCSF Sproc programs to analyze values for spotted clones [Jain AN, et al. Genome Res 2002;12:325-32.] were used.

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