Unknown,Transcriptomics,Genomics,Proteomics

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Expression data of BRPF3 depletion from the human osteosarcoma U2OS cell line

ABSTRACT: The Bromo-domain and PHD-finger protein, BRPF3, forms a complex with HBO1 and regulates the initiation of DNA replication. BRPF3-dependent histone H3K14 enriched in chromatin surrounding a fraction of replication origins may play an important role in origin firing. We used microarrays to evaluate whether replication defect due to the lack of BRPF3 is associated with transcriptional changes of replication genes. Human osteosarcoma U2OS cells depleted for BRPF3 were used for RNA extraction and hybridization on Affymetrix microarrays. Cells were treated with either scamble siRNA (Control_1_B1) or siRNA against BPRF3 (BRPF3_B1) for 48 hours. Two samples in a biological replica set were prepared in exactly the same way and labeled as Control_1_B2 and BRPF3_B2 respectively.

ORGANISM(S): Homo sapiens

SUBMITTER: Anja Groth 

PROVIDER: E-GEOD-65065 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

During DNA replication, thousands of replication origins are activated across the genome. Chromatin architecture contributes to origin specification and usage, yet it remains unclear which chromatin features impact on DNA replication. Here, we perform a RNAi screen for chromatin regulators implicated in replication control by measuring RPA accumulation upon replication stress. We identify six factors required for normal rates of DNA replication and characterize a function of the bromodomain and  ...[more]

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