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HEB ChIP-seq in ID4 knockdown Comma-Dβ mammary epithelial cells

ABSTRACT: We performed ChIP-seq for the E-protein transcription factor HEB in ID4 knockdown mammary epithelial cells to determine how ID4 affects HEB DNA binding.

ORGANISM(S): Mus musculus

PROVIDER: GSE149968 | GEO | 2020/05/07

REPOSITORIES: GEO

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HEB ChIP-seq in ID4 knockdown Comma-Dβ mammary epithelial cells

Project description:HEB ChIP-seq in ID4 knockdown Comma-Dβ mammary epithelial cells

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RNA-seq of ID4 knockdown Comma-Dβ mammary epithelial cells

Project description:The goal of this study was to determine the genes regulated by ID4 in mammary epithelial cells. ID4 was knocked down by siRNA in the mammary epithelial cell line Comma-Dβ and RNA-seq was performed following 48 hr to determine differentially expressed genes.

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HEB and histone mark ChIP-seq in Comma-Dβ mouse mammary epithelial cells

Project description:The goal of this study was to determine the genome wide binding sites of the E-protein transcription factor HEB in mammary epithelial cells, and to delineate the chromatin context of these regions. ChIP-seq for HEB, H3K4Me3, H3K27Ac, and H3K27Me was performed in Comma-Dβ cells in quadruplicate.

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RNA-seq of ID4 knockdown Comma-Dβ mammary epithelial cells

Project description:RNA-seq of ID4 knockdown Comma-Dβ mammary epithelial cells

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Inhibitor of Differentiation 4 (ID4) represses myoepithelial differentiation of mammary stem cells through its interaction with HEB

Project description:Differentiation of stem cells embedded within the mammary epithelium is orchestrated by lineage-specifying transcription factors. Unlike the well-defined luminal hierarchy, dissection of the basal lineage has been hindered by a lack of specific markers. Inhibitor of Differentiation 4 (ID4) is a basally-restricted helix-loop-helix (HLH) transcription factor essential for mammary development. Here we show that ID4 is highly expressed in basal stem cells and decreases during myoepithelial differentiation. By integrating transcriptomic, proteomic and chromatin-association data we reveal that ID4 is required to suppress myoepithelial gene expression and cell fate.

2021-01-25 | PXD017517 | Pride

HEB and histone mark ChIP-seq in Comma-Dβ mouse mammary epithelial cells

Project description:HEB and histone mark ChIP-seq in Comma-Dβ mouse mammary epithelial cells

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Inhibitor of Differentiation 4 (ID4) represses myoepithelial differentiation of mammary stem cells through its interaction with HEB

Project description:Inhibitor of Differentiation 4 (ID4) represses myoepithelial differentiation of mammary stem cells through its interaction with HEB

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RNA-seq of FACS-enriched mammary subpopulations (basal, luminal progenitor, mature luminal) from WT and ID4 knockout mice

Project description:The goal of this study was to determine the genes regulated by ID4 in mammary epithelial subpopulations. Basal, luminal progenitor, and mature luminal mammary epithelial subpopulations were FACS-sorted from adult mice that were either WT or ID4 KO in quadruplicate. RNA-seq and differential gene expression analysis was performed.

2020-05-07 | GSE149965 | GEO

Inhibitor of Differentiation 4 (ID4) represses mammary myoepithelial differentiation via inhibition of HEB.

Project description:Inhibitor of differentiation (ID) proteins dimerize with basic HLH (bHLH) transcription factors, repressing transcription of lineage-specification genes across diverse cellular lineages. ID4 is a key regulator of mammary stem cells; however, the mechanism by which it achieves this is unclear. Here, we show that ID4 has a cell autonomous role in preventing myoepithelial differentiation of basal cells in mammary organoids and in vivo. ID4 positively regulates proliferative genes and negatively regulates genes involved in myoepithelial function. Mass spectrometry reveals that ID4 interacts with the bHLH protein HEB, which binds to E-box motifs in regulatory elements of basal developmental genes involved in extracellular matrix and the contractile cytoskeleton. We conclude that high ID4 expression in mammary basal stem cells antagonizes HEB transcriptional activity, preventing myoepithelial differentiation and allowing for appropriate tissue morphogenesis. Downregulation of ID4 during pregnancy modulates gene regulated by HEB, promoting specialization of basal cells into myoepithelial cells.

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Expression data from CD19-positive splenic B cells isolated from 1-month old ID4+/-TCL1-tg and ID4+/+TCL1-tg mice

Project description:The function of ID4 in CLL development was studied in vivo using TCL1 transgenic mouse model that develop leukemia similar to human CLL. TCL1 mice with ID4 single knockout gene have accelerated CLL progression. Results from the animal study suggest ID4 as a tumor suppressor gene that might regulate cell proliferation and apoptosis in B lymphocytes. Gene expression in CD19-positive splenic B cells collected from 1-month old ID4+/-TCL1-tg and ID4+/+TCL1-tg mice was compared by microarray, the goal is to find ID4-regulated genes involved in CLL development.

2010-11-04 | E-GEOD-25100 | biostudies-arrayexpress

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