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Antagonistic interaction between Ezh2 and Arid1a coordinates dental root patterning via Cdkn2a [RNA-Seq]

ABSTRACT: Antagonistic interaction between Ezh2 and Arid1a coordinates dental root patterning via Cdkn2a [RNA-Seq]

PROVIDER: PRJNA522794 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8582820.fastq.gz	Fastqsanger.gz
	SRR8582821.fastq.gz	Fastqsanger.gz
	SRR8582822.fastq.gz	Fastqsanger.gz
	SRR8582815.fastq.gz	Fastqsanger.gz
	SRR8582816.fastq.gz	Fastqsanger.gz

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Antagonistic interaction between Ezh2 and Arid1a coordinates dental root patterning via Cdkn2a [ChIP-Seq]

Project description:Antagonistic interaction between Ezh2 and Arid1a coordinates dental root patterning via Cdkn2a [ChIP-Seq]

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Antagonistic interaction between Ezh2 and Arid1a coordinates root patterning and development via Cdkn2a in mouse molars

Project description:Antagonistic interaction between Ezh2 and Arid1a coordinates root patterning and development via Cdkn2a in mouse molars

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Antagonistic interaction between Ezh2 and Arid1a coordinates dental root patterning via Cdkn2a [RNA-Seq]

Project description:We sequenced mouse molar mRNA from three-day-old Ezh2fl/fl and Osr2KI-Cre;Ezh2fl/fl mice to compare their gene expression profile

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Antagonistic interaction between Ezh2 and Arid1a coordinates dental root patterning via Cdkn2a [ChIP-Seq]

Project description:We performed H3K27me3 CHIP sequencing of mouse molars from three-day-old wildtype mice.

2019-07-01 | GSE131683 | GEO

Antagonistic interaction between Ezh2 and Arid1a coordinates root patterning and development via Cdkn2a in mouse molars.

Project description:Patterning is a critical step during organogenesis and is closely associated with the physiological function of organs. Tooth root shapes are finely tuned to provide precise occlusal support to facilitate the function of each tooth type. However, the mechanism regulating tooth root patterning and development is largely unknown. In this study, we provide the first in vivo evidence demonstrating that Ezh2 in the dental mesenchyme determines patterning and furcation formation during dental root development in mouse molars. Mechanistically, an antagonistic interaction between epigenetic regulators Ezh2 and Arid1a controls Cdkn2a expression in the dental mesenchyme to regulate dental root patterning and development. These findings indicate the importance of balanced epigenetic regulation in determining the tooth root pattern and the integration of roots with the jaw bones to achieve physiological function. Collectively, our study provides important clues about the regulation of organogenesis and has general implications for tooth regeneration in the future.

| S-EPMC6602580 | biostudies-literature

Antagonistic interaction between Ezh2 and Arid1a coordinates root patterning and development via Cdkn2a in mouse molars

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

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Targeting EZH2 methyltransferase activity in ARID1A mutated cells as a synthetic lethal therapeutic strategy

Project description:ARID1A, an epigentic modifier, is often mutated in ovarian clear cell carcinoma (OCCC). In addition, EZH2 is frequently upregulated in OCCC. Inhibtion of EZH2 with an inhibitor (GSK126) selectively inhibits ARID1A-mutated cells. This study was designed to understand changes in gene expression profiles following EZH2 inhibition or ARID1A restoration. Chromatin remodelers such as ARID1A are frequently mutated in a broad array of cancers. However, targeted cancer therapy based on ARID1A mutation status has not been described. Intriguingly, ARID1A mutated cancers typically lack genomic instability, suggesting significant involvement of epigenetic mechanisms. Here we show that inhibition of the EZH2 methyltransferase acts in a synthetic lethal manner in ARID1A mutated cells. Remarkably, ARID1A mutation status correlated with response to EZH2 inhibitor. Genome-wide profiling revealed antagonistic roles of ARID1A and EZH2 in gene regulation. Further, we identified PIK3IP1 as a direct ARID1A/EZH2 target gene whose upregulation contributes to the observed synthetic lethality in the EZH2 inhibitor treated ARID1A mutated cells. Significantly, EZH2 inhibitor caused the regression of established ARID1A mutated tumors in vivo. Together, this data demonstrate a synthetic lethality between ARID1A mutation and EZH2 inhibition. They indicate that pharmacological inhibition of EZH2 represents a novel treatment strategy for ARID1A mutated cancers.

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mRNA-seq for HCT116 Parental and ARID1A knockdown cells, mRNA-seq for DLD1 Parental, ARID1A knockdown and ARID1A knockout cells, mRNA-seq for COLO320DM Parental and ARID1A knockdown and ARID1A knockout cells

Project description:The study identifies genes that are regulated by the loss of the chromatin remodeller subunit ARID1A in colorectal cancer cell lines. This gene is frequently mutated in colorectal cancer.

2019-06-11 | E-MTAB-7791 | biostudies-arrayexpress

ChIP-seq analysis of Arid1a and C/ebpÎ± in the mouse livers

Project description:Arid1a is the subunit of SWI/SNF complex, which was reported to guide SWI/SNF to DNA. Here, we found that loss of Arid1a in the liver and other adult tissues results in improved organ regeneration. Within SWI/SNF complexes, Arid1a physically interacts with C/ebpÎ±, a hepatocyte transcription factor that drives maturation and limits proliferation. Genome-wide analysis showed that loss of Arid1a reduces the recruitment and activity of C/ebpÎ± on target promoters, resulting in expression programs that favor regeneration and cellular fitness during injury. Arid1a binding is enriched in promoters near transcriptional start sites (TSSs), and C/ebpÎ± binds at precisely the same positions, indicating that Arid1a facilitates C/ebpÎ± binding across the genome. Perfuse and isolate primary hepatocytes from mice livers, analysis of genomic occupancy of C/ebpÎ± and H3K4me2 in hepatocytes from Arid1a WT and Arid1a liver specific KO mice by ChIP-seq. Analysis of genomic occupancy of Arid1a in the hepatocytes from V5-Arid1a transgenic mouse by ChIP-seq.

2016-03-30 | E-GEOD-65167 | biostudies-arrayexpress

Athsq1 is linked to Cdkn2a

Project description:Common genetic variants in a 58-kilobase (kb) region of chromosome 9p21, near the CDKN2A/B cell proliferation inhibitor genes, are strongly associated with coronary artery disease (CAD). We previously reported a congenic mouse model harboring an atherosclerosis susceptibility locus in a region of homology with the human 9p21 locus. We now report markedly decreased Cdkn2a (cyclin-dependent kinase inhibitor 2a) mRNA expression in macrophages and increased circulating levels of Ly6Chigh inflammatory monocytes in congenic mice compared to controls. A bone marrow (BM) transplantation study revealed that BM-derived cells from Cdkn2a+/- mice are capable of conferring accelerated atherosclerosis, increased inflammatory monocyte subsets and monocyte proliferation in the Ldlr-/- mouse model. These findings provide a mechanistic link between decreased expression of Cdkn2a transcripts, increased monocyte proliferation, and accelerated atherosclerosis. Aorta and macrophages from ten C57BL/6.MOLFc4(51Mb)-Ldlr-/- mice and their control C57BL/6-Ldlr-/- were obtained, RNA purified and hybridized to GPL9734 Affimetrix microarrays.

2011-09-30 | E-GEOD-24342 | biostudies-arrayexpress

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