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Oncogenic Notch promotes long-range regulatory interactions within hyperconnected 3D cliques

ABSTRACT: Oncogenic Notch promotes long-range regulatory interactions within hyperconnected 3D cliques

PROVIDER: PRJNA480468 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR7505540.fastq.gz	Fastqsanger.gz
	SRR7505550_1.fastq.gz	Fastqsanger.gz
	SRR7505550_2.fastq.gz	Fastqsanger.gz
	SRR7505560.fastq.gz	Fastqsanger.gz
	SRR7505570_1.fastq.gz	Fastqsanger.gz

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Oncogenic Notch promotes long-range regulatory interactions within hyperconnected 3D cliques [HCC1599_HiChIP]

Project description:Purpose: To investigate the impact of oncogenic Notch on the 3D genome organization of cancer cells. Methods: We generated cohesin HiChIP and 1D epigenomic data sets in two different Notch-dependent cancer cell types, triple-negative breast cancer (TNBC) and mantle cell lymphoma (MCL), in the Notch-on and -off states. Results: We report here that Notch transcription complexes control their direct target genes through two distinct regulatory modes: either through existing loops or by facilitating new long-range regulatory interactions. This combination of pre-existing and Notch-promoted loops coalesce enhancers and promoters to form highly interacting clusters, termed “3D cliques”. Notch preferentially activates enhancers and promotes looping interactions within highly connected 3D cliques that regulate key oncogenes. Conclusions: These observations suggest a general mechanism that oncogenic transcription factors can exploit to regulate the transcriptional outputs of cancer cells.

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Oncogenic Notch promotes long-range regulatory interactions within hyperconnected 3D cliques [MB157_HiChIP]

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Project description:Oncogenic Notch promotes long-range regulatory interactions within hyperconnected 3D cliques [HCC1599_HiChIP]

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Project description:Oncogenic Notch promotes long-range regulatory interactions within hyperconnected 3D cliques [MB157_HiChIP]

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