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Nat Genet. 2011 Jul 31;43(9):830-7. doi: 10.1038/ng.892.

Analysis of the coding genome of diffuse large B-cell lymphoma.

Author information

  • 1Institute for Cancer Genetics, Columbia University, New York, New York, USA. lp171@columbia.edu

Abstract

Diffuse large B-cell lymphoma (DLBCL) is the most common form of human lymphoma. Although a number of structural alterations have been associated with the pathogenesis of this malignancy, the full spectrum of genetic lesions that are present in the DLBCL genome, and therefore the identity of dysregulated cellular pathways, remains unknown. By combining next-generation sequencing and copy number analysis, we show that the DLBCL coding genome contains, on average, more than 30 clonally represented gene alterations per case. This analysis also revealed mutations in genes not previously implicated in DLBCL pathogenesis, including those regulating chromatin methylation (MLL2; 24% of samples) and immune recognition by T cells. These results provide initial data on the complexity of the DLBCL coding genome and identify novel dysregulated pathways underlying its pathogenesis.

PMID:
21804550
[PubMed - indexed for MEDLINE]
PMCID:
PMC3297422
Free PMC Article

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