GSM182841[Accession] - GEO DataSets

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Items: 3

Select item 2000075451.

Affymetrix 500K Mapping Array data from breast tumors

(Submitter supplied) Fifty-one breast tumors were profiled for copy-number alterations with the high-resolution Affymetrix 500K Mapping Array. Combined analysis of the prevalence and amplitude of copy-number alterations defined regions of recurrent gain or loss. Gains were most frequently observed on chromosomes 1, 8, 10, 11, 13, 15, 17, and 20. Losses were most frequent on chromosomes 3, 6, 11, 13, 14, 16, and 17. Compared with previous lower-resolution data, our analysis provided significantly more precise boundaries for frequently altered regions, greatly reducing the number of potential alteration-driving genes. more...

Organism:: Homo sapiens

Type:: Genome variation profiling by SNP array

Platforms:: GPL3718 GPL3720
102 Samples

Download data: CEL, EXP

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Accession:: GSE7545

ID:: 200007545

PubMed Similar studies

Select item 1000037182.

[Mapping250K_Nsp] Affymetrix Mapping 250K Nsp SNP Array

(Submitter supplied) Affymetrix submissions are typically submitted to GEO using the GEOarchive method described at http://www.ncbi.nlm.nih.gov/projects/geo/info/geo_affy.html The GeneChip® Human Mapping 500K Array Set provides consistently high coverage across different populations. It is comprised of two arrays, each capable of genotyping on average 250,000 SNPs (approximately 262,000 for Nsp arrays and 238,000 for Sty arrays). more...