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Cancer Cell. 2006 Apr;9(4):313-25.

High-resolution genomic profiles define distinct clinico-pathogenetic subgroups of multiple myeloma patients.

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1
Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, Massachusetts 02115, USA.

Abstract

To identify genetic events underlying the genesis and progression of multiple myeloma (MM), we conducted a high-resolution analysis of recurrent copy number alterations (CNAs) and expression profiles in a collection of MM cell lines and outcome-annotated clinical specimens. Attesting to the molecular heterogeneity of MM, unsupervised classification using nonnegative matrix factorization (NMF) designed for array comparative genomic hybridization (aCGH) analysis uncovered distinct genomic subtypes. Additionally, we defined 87 discrete minimal common regions (MCRs) within recurrent and highly focal CNAs. Further integration with expression data generated a refined list of MM gene candidates residing within these MCRs, thereby providing a genomic framework for dissection of disease pathogenesis, improved clinical management, and initiation of targeted drug discovery for specific MM patients.

PMID:
16616336
DOI:
10.1016/j.ccr.2006.03.019
[Indexed for MEDLINE]
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