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EnglishThe application of genome-wide approaches to the molecular characterization of cancer was investigated, identifying footprints that can potentially assist in the subclassification of tumors in order to contribute to diagnosis and clinical management of patients. High resolution DNA copy number analysis by single nucleotide polymorphism mapping array technology has been widely applied to study copy number aberrations and to distinguish among different loss of heterozigosity mechanisms associated with or without copy number changes in tumors. However, assessment of statistically significant common aberrations across the whole data set or a subset of tumor samples is still an open problem. Therefore, we adapted the recently developed STAC algorithm, previously applied to comparative genomic hybridization data, to identify common copy number aberrations in renal carcinoma samples using Affymetrix 100K SNP arrays. SNP copy number data were processed by a homebrew pipeline implemented in R and analyzed using STAC.
Assessment of common regions and specific footprints of DNA copy number aberrations across multiple affymetrix SNP mapping arrays / R. Spinelli, I. Cifola, S. Ferrero, L. Beltrame, P. Mocarelli, C. Battaglia - In: Applications of fuzzy sets theory : 7. International workshop on fuzzy logic and applications, WILF 2007, Camogli, Italy, July 7-10, 2007 : proceedings / [a cura di] F. Masulli, S. Mitra, G. Pasi. - Berlin : Springer, 2007 Jul 07. - ISBN 978-3-540-73399-7. - pp. 674-681 (( Intervento presentato al 7. convegno International workshop on fuzzy logic and applications tenutosi a Portofino nel 2007.
| Titolo: | Assessment of common regions and specific footprints of DNA copy number aberrations across multiple affymetrix SNP mapping arrays |
| Autori: | CIFOLA, INGRID (Secondo) BATTAGLIA, CRISTINA (Ultimo) |
| Parole Chiave: | Aberration; Copy number; SNP; SNP mapping array |
| Settore Scientifico Disciplinare: | Settore BIO/10 - Biochimica Settore MED/08 - Anatomia Patologica |
| Data di pubblicazione: | 7-lug-2007 |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1007/978-3-540-73400-0_86 |
| Tipologia: | Book Part (author) |
| Appare nelle tipologie: | 03 - Contributo in volume |
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http://hdl.handle.net/2434/37330
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