Unknown,Transcriptomics,Genomics,Proteomics

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Effect of PRDM11 depletion in U2932 cells

ABSTRACT: The PR-domain family e(PRDMs) encodes transcriptional regulators, several of which are deregulated in cancer. We found that loss of Prdm11 accelerates MYC-driven lymphomagenesis in the Eµ-Myc mouse model. Moreover, we show that patients with PRDM11-deficient diffuse large B cell lymphomas (DLBCLs) have poorer overall survival and belong to the non-Germinal Center B cell (GCB)-like subtype. Mechanistically, genome-wide mapping of PRDM11 binding sites coupled with transcriptome sequencing in human DLBCL cells evidenced that PRDM11 associates with transcriptional start sites of target genes and regulates important oncogenes such as FOS and JUN. Hence, we characterize PRDM11 as a novel tumor suppressor controlling the expression of key oncogenes and add new mechanistic insight into B-cell lymphomagenesis. RNA-seq performed after knockdown of Prdm11

ORGANISM(S): Homo sapiens

SUBMITTER: Anders Lund 

PROVIDER: E-GEOD-56235 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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The PR-domain (PRDM) family of genes encodes transcriptional regulators, several of which are deregulated in cancer. By using a functional screening approach, we sought to identify novel tumor suppressors among the PRDMs. Here we demonstrate oncogenic collaboration between depletion of the previously uncharacterized PR-domain family member Prdm11 and overexpression of MYC. Overexpression of PRDM11 inhibits proliferation and induces apoptosis. Prdm11 knockout mice are viable, and loss of Prdm11 a  ...[more]

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