Study

Integrated genomic, transcriptional and epigenomic analyses in germinal center-cell lymphomas link the mutation landscape with differential DNA methylation in Burkitt lymphoma

Study ID Alternative Stable ID Type
EGAS00001001067 Other

Study Description

Biologically and clinically diverse B-cell neoplasms, including Burkitt, follicular and diffuse large B-cell lymphoma, show features of germinal center (GC) B-cells. Here we present a comprehensive analysis of the epigenetic landscape of GC-B-cell lymphomas using whole genome bisulfite sequencing paired with genome and transcriptome sequencing from 29 primary tumor samples and four normal GC-B-cell samples. All lymphomas studied showed extensive genome-wide methylation losses as well as intragenic regions where DNA methylation levels were strongly correlated with expression of associated genes. Pathway analysis revealed that these intragenic regions were enriched in signaling networks differentially activated in Burkitt and follicular lymphomas and affected regulatory mechanisms deregulated by recurrent mutations in a large fraction of Burkitt lymphomas (including the ID3/TCF3 complex, the SWI/SNF remodeling complex and the inhibitory GI signaling pathway). Taken together, these results provide a global picture of Burkitt lymphoma pathomechanism and demonstrate a tight connection ... (Show More)

Study Datasets 3 datasets.

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Dataset ID Description Technology Samples
EGAD00001001119
Whole Genome Bisulfite Sequencing
Illumina HiSeq 2000,Illumina HiSeq 2500 26
EGAD00001001121
RNA Sequencing
Illumina HiSeq 2000 26
EGAD00001003276
Whole genome sequencing data for MMML (24 tumor/control pairs), fastq-files
Illumina HiSeq 2000,Illumina HiSeq 2500 49

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