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Foxa1 and Foxa2 are essential for gender dimorphism in liver cancer

ABSTRACT: Foxa1 and Foxa2 are essential for gender dimorphism in liver cancer

PROVIDER: PRJEB2771 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	ERR056354.fastq.gz	Fastqsanger.gz
	ERR056355.fastq.gz	Fastqsanger.gz
	ERR056356.fastq.gz	Fastqsanger.gz
	ERR056357.fastq.gz	Fastqsanger.gz

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Foxa1 and Foxa2 are essential for gender dimorphism in liver cancer

Project description:Foxa1loxP/loxP;Foxa2loxP/loxP and Foxa1loxP/loxP;Foxa2loxP/loxP;AfpCre mice of both genders were treated with or without carcinogen to induce liver cancer. ChIP-Seq was performed in the liver samples after cross-linking. ChIP-DNA was sequenced with the Illumina GAII sequencer. The AfpCre when present knocks out the Foxa1 and Foxa2 genes, so removing the corresponding proteins.

2012-02-24 | E-MTAB-805 | biostudies-arrayexpress

Foxa1 and Foxa2 are Required for Sexual Dimorphism in Liver Cancer - Gene Expression

Project description:Gene expression changes between livers of treated WT and dKO (Foxa1 and Foxa2 KO) male and female mice and untreated female (WT and dKO) mice were measured to identify pathways related to Foxa1/2 regulation of pathways involved in liver cancer. The experiment uses 4 replicates each for 6 conditions

2012-01-20 | E-GEOD-32244 | biostudies-arrayexpress

Foxa1 and Foxa2 are Required for Sexual Dimorphism in Liver Cancer - Gene Expression

2012-01-20 | GSE32244 | GEO

Foxa1 and Foxa2 are essential for sexual dimorphism in liver cancer.

Project description:Hepatocellular carcinoma (HCC) is sexually dimorphic in both rodents and humans, with significantly higher incidence in males, an effect that is dependent on sex hormones. The molecular mechanisms by which estrogens prevent and androgens promote liver cancer remain unclear. Here, we discover that sexually dimorphic HCC is completely reversed in Foxa1- and Foxa2-deficient mice after diethylnitrosamine-induced hepatocarcinogenesis. Coregulation of target genes by Foxa1/a2 and either the estrogen receptor (ERα) or the androgen receptor (AR) was increased during hepatocarcinogenesis in normal female or male mice, respectively, but was lost in Foxa1/2-deficient mice. Thus, both estrogen-dependent resistance to and androgen-mediated facilitation of HCC depend on Foxa1/2. Strikingly, single nucleotide polymorphisms at FOXA2 binding sites reduce binding of both FOXA2 and ERα to their targets in human liver and correlate with HCC development in women. Thus, Foxa factors and their targets are central for the sexual dimorphism of HCC.

| S-EPMC3266536 | biostudies-literature

Transcriptome of Foxa1/Foxa2-deficient colon [RNA]

Project description:FOXA1 and FOXA2 are essentail transcription factors for proper gut development. In adults, they have a role in the differentiation of intestinal secretory cell lineages and were also reporeted to directly activate Muc2 transcription. Here we show that deletion of Foxa1 and Foxa2 in mouse intestinal epithelium leads to a downregulation of glycosylation genes in the colon and to a massive change of the colonic surface glycans. In turn, the microbiome composition shifts dramatically and spontaneous inflammatory bowel disease ensued. We conclude that vertebrates shape a favorable microbiome by establishing a glycocalyx to nurture specific bacterial taxa through control of the epithelial glycosylation program by the FoxA transcription factors.

2024-05-14 | GSE263630 | GEO

Regulatory cistrome landscape of Foxa1 and Foxa2 during prostate cancer progression [ChIP-seq]

Project description:To characterize the genome-wide regulatory cistrome of Foxa1 and Foxa2, we performed both Foxa1 and Foxa2 chromatin immunoprecipitation followed by sequencing (ChIP-seq) on freshly dissociated prostate tumor cells at the early stage (2 weeks post tamoxifen administration) and the late stage (6 months post tamoxifen administration) of NEPC progression, respectively.

2022-10-31 | GSE191182 | GEO

Gene expression profiles of Foxa1 and Foxa2 single and double mutants in embryonic mouse liver

Project description:Gene expression of Foxa1 and Foxa2 single and double mutant livers (embryonic day 18.5)

2012-06-22 | E-MEXP-3428 | biostudies-arrayexpress

FOXA1 and FOXA2 binding profile in mouse colon [ChIP]

Project description:FOXA1 and FOXA2 are essentail transcription factors for proper gut development. In adults, they play a role in the differentiation of intestinal secretory cells and were also reporeted to directly activate Muc2 transcription. Here we show that FOXA1 and FOXA2 bind near goblet cell genes, and are specifically enriched near glycosylation genes. Deletion of these transcription factors in mouse intestine leads to a downregulation of glycosylation genes in the colon and to a massive change of the colonic surface glycans. I turn, the microbiome composition shifts dramatically and spontaneous inflammatory bowel disease ensued. We conclude that vertebrates shape a favorable microbiome by establishing a glycocalyx to nurture specific bacterial taxa through control of the epithelial glycosylation program by the FoxA transcription factors.

2024-05-14 | GSE263629 | GEO

The effects of FOXA1 and FOXA2 on gene expression in Ythdc1-HKO livers

Project description:The goal of this study is to investigate how FOXA1 and FOXA2 regulates gene expression in Ythdc1-HKO livers. Four-week-old male Ythdc1flox/flox mice were injected with AAV8-TBG-βGal via tail vein. Four-week-old male Ythdc1-HKO mice were injected with equal amounts of AAV8-TBG-βGal, AAV8-TBG-FOXA1, or AAV8-TBG-FOXA2 via tail vein. Mice were sacrificed three weeks later.Total RNA was extracted from liver tissues using Tripure Isolation Reagent (Roche, Mannheim, Germany). RNA-seq was performed using Illumina novaseq x plus (n=3 for each group).

2025-06-15 | GSE297453 | GEO

FOXA2 regulates a network of genes involved in critical functions of intestinal epithelia

Project description:Background and Aims: The forkhead box A (FOXA) family of pioneer transcription factors is critical for the development of many endoderm-derived tissues including the lung and the liver. Here we investigate the role of FOXA2 in regulating intestinal epithelial cell function. Methods: ChIP-seq was used to identify FOXA2 binding sites genome-wide. Targets of FOXA2 were validated using ChIP-qPCR and siRNA-mediated depletion of FOXA1/2 followed by RT-qPCR. A luciferase-based assay was used to measure intracellular cAMP after FOXA1/2 modulation.Results: Peaks of FOXA2 occupancy were frequent at loci contributing to gene ontology pathways of regulation of cell migration, cell motion, and plasma membrane function. Depletion of both FOXA1 and FOXA2 led to a significant reduction in the expression of multiple transmembrane proteins including ion transporters. One of the targets was the adenosine A2B receptor, and reduced receptor mRNA levels were associated with a functional decrease in intracellular cAMP. We also observed that 30% of FOXA2 binding sites contained a GATA motif and that FOXA1/A2 depletion reduced GATA-4, but not GATA-6 protein levels. Conclusions: These data show that FOXA2 plays a critical role in regulating intestinal epithelial cell function. FOXA2 depletion affects the expression of ion transporters and other transmembrane proteins, which form a network essential for maintaining normal ion and solute transport. Moreover, we show that the FOXA and GATA families of transcription factors may work cooperatively to regulate gene expression genome-wide. To determine the role of FOXA2 in regulating gene expression in intestinal epithelial cells, ChIP-seq was performed for FOXA2 in Caco2 (colorectal adenocarcinoma) cells.

2015-08-06 | E-GEOD-66218 | biostudies-arrayexpress

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