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Oncogenic HOXB8 is driven by MYC-regulated super-enhancer and potentiates colorectal cancer invasiveness via BACH1 [ChIP-seq]

ABSTRACT: HOXB8 functions as a transcription factor, but its genomic targets remains unknown. Thus, we profiled HOXB8 binding loci across the genome using ChIP-seq.

ORGANISM(S): Homo sapiens

PROVIDER: GSE121208 | GEO | 2019/10/04

REPOSITORIES: GEO

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Oncogenic HOXB8 is driven by MYC-regulated super-enhancer and potentiates colorectal cancer invasiveness via BACH1 [RNA-seq]

Project description:HOXB8 acts as a transcription facor, thus we knock down HOXB8 gene by doxycycline induced shRNA in colon cancer cells and profiled the change of transcriptome after knocking down HOXB8

2019-10-04 | GSE121207 | GEO

Oncogenic HOXB8 is driven by MYC-regulated super-enhancer and potentiates colorectal cancer invasiveness via BACH1

Project description:This SuperSeries is composed of the SubSeries listed below.

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Oncogenic HOXB8 is driven by MYC-regulated super-enhancer and potentiates colorectal cancer invasiveness via BACH1

Project description:Oncogenic HOXB8 is driven by MYC-regulated super-enhancer and potentiates colorectal cancer invasiveness via BACH1

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Oncogenic HOXB8 is driven by MYC-regulated super-enhancer and potentiates colorectal cancer invasiveness via BACH1 [RNA-seq]

Project description:Oncogenic HOXB8 is driven by MYC-regulated super-enhancer and potentiates colorectal cancer invasiveness via BACH1 [RNA-seq]

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Oncogenic HOXB8 is driven by MYC-regulated super-enhancer and potentiates colorectal cancer invasiveness via BACH1 [ChIP-seq]

Project description:Oncogenic HOXB8 is driven by MYC-regulated super-enhancer and potentiates colorectal cancer invasiveness via BACH1 [ChIP-seq]

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HOXB8 counteracts MAPK/ERK oncogenic signaling in a chicken embryo model of neoplasia

Project description:HOX transcription factors are members of an evolutionarily conserved family of proteins required for the establishment of the anteroposterior body axis during bilaterian development. Although they are often deregulated in cancers, the molecular mechanisms by which they act as oncogenes or tumor suppressor genes are only partially understood. Since the MAPK/ERK signaling pathway is deregulated in most cancers, we aimed at apprehending if and how Hox proteins interact with ERK oncogenicity. Using an in vivo neoplasia model in the chicken embryo that we have developed, consisting in the overactivation of the ERK1/2 kinases in the trunk neural tube, we analyzed the consequences of HOXB8 gain of function at morphological and transcriptional level in this model. We found that HOXB8 acts as a tumor suppressor, counteracting ERK-induced neoplasia. HOXB8 tumor suppressor function in this model relies on a large reversion of the oncogenic transcriptome induced by ERK. In addition to showing that HOXB8 protein controls the transcriptional responsiveness to ERK oncogenic signaling, our study identified new downstream targets of ERK oncogenic activation in an in vivo context that could provide clues for therapeutic strategies.

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Generation of hematopoietic progenitor cell lines with myeloid and lymphoid potential using a conditional form of Hoxb8

Project description:Investigation of immune cell differentiation and function is limited by shortcomings of suitable and scalable experimental systems. Although forced expression of certain Hox genes allows immortalization of hematopoietic progenitor cells, their differentiation potential is limited to select myeloid lineages. Here we show that an estrogen-regulated form of Hoxb8 that is retrovirally delivered into bone marrow cells can be used along with FLT3 ligand to conditionally immortalize early hematopoietic progenitor cells (Hoxb8-FL). Hoxb8-FL cells have lost self-renewal capacity and the ability to adopt megakaryocyte/ erythroid lineage fates, but sustain myeloid and lymphoid differentiation potential. Hoxb8-FL cells differentiate in vitro and in vivo into different myeloid and lymphoid cell types, including macrophages, granulocytes, dendritic cells and B- and T-lymphocytes, which are phenotypically and functionally indistinguishable from their primary counterparts. Given the simplicity to generate Hoxb8-FL cells and their unlimited proliferative capacity, this system provides unique opportunities to investigate cell differentiation and immune cell functions. Hoxb8 expressing immortalized cells

2013-06-05 | E-GEOD-45759 | biostudies-arrayexpress

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Project description:ATAC-seq in precursor and differentiated ER-Hoxb8 cells

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RNA sequencing of Hoxb8 yolk sac- and bone marrow-derived

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Generation of hematopoietic progenitor cell lines with myeloid and lymphoid potential using a conditional form of Hoxb8

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2013-06-05 | GSE45759 | GEO

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