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Targeting transcriptional factor YY1 is synthetic lethal with loss of the histone demethylase KDM5C [CUT&Tag]

ABSTRACT: Targeting transcriptional factor YY1 is synthetic lethal with loss of the histone demethylase KDM5C [CUT&Tag]

PROVIDER: PRJNA1153280 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR30426890_1.fastq.gz	Fastqsanger.gz
	SRR30426890_2.fastq.gz	Fastqsanger.gz
	SRR30426891_1.fastq.gz	Fastqsanger.gz
	SRR30426891_2.fastq.gz	Fastqsanger.gz
	SRR30426892_1.fastq.gz	Fastqsanger.gz

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Targeting transcriptional factor YY1 is synthetic lethal with loss of the histone demethylase KDM5C [CUT&Tag]

Project description:In this study, we screened KDM5C-binding proteins and found that Yin Yang 1 (YY1) interacts with KDM5C. Interestingly, a synergistic antitumor effect was exerted when both KDM5C and YY1 were depleted, and targeting YY1 appeared to be a vulnerability in KDM5C-deficient cancer cells. Mechanistically, KDM5C is essential for global YY1 chromatin recruitment, especially at promoters. Moreover, an intact KDM5C JmjC domain but not KDM5C histone demethylase activity is required for KDM5C-mediated YY1 chromatin binding.Transcriptional profiling revealed that dual inhibition of KDM5C and YY1 led to significantly increased transcriptional repression of many cell cycle- and apoptosis-related genes. In summary, our work demonstrates a synthetic lethal interaction between YY1 and KDM5C and suggests a therapeutic vulnerability that can be targeted using combination therapies.

2024-09-02 | GSE275838 | GEO

Targeting transcriptional factor YY1 is synthetic lethal with loss of the histone demethylase KDM5C

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Targeting transcriptional factor YY1 is synthetic lethal with loss of the histone demethylase KDM5C [RNA-Seq]

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Targeting transcriptional factor YY1 is synthetic lethal with loss of the histone demethylase KDM5C

Project description:Targeting transcriptional factor YY1 is synthetic lethal with loss of the histone demethylase KDM5C

| PRJNA1128074 | ENA

Targeting transcriptional factor YY1 is synthetic lethal with loss of the histone demethylase KDM5C [RNA-Seq]

Project description:Targeting transcriptional factor YY1 is synthetic lethal with loss of the histone demethylase KDM5C [RNA-Seq]

| PRJNA1128069 | ENA

The histone demethylase KDM5C represses trophoblast proliferation and invasion in woman with recurrent miscarriage [CUT & Tag]

Project description:To characterize genome-wide KDM5C traget genes in HTR-8/SVneo cells transduced with KDM5C-expression vector by CUT&Tag.

2022-12-16 | GSE200540 | GEO

The Kdm5c histone demethylase controls enhancer and promoter function.

Project description:Here, we show that the Kdm5c/Smcx member of the Jarid1 family of H3K4 demethylases is recruited to both enhancer and core promoter elements in ES and neuronal progenitor cells (NPC). Knockdown of Kdm5c deregulates transcription via a local increase in H3K4me3. While at core promoters the function of Kdm5c is to restrict transcription, loss of Kdm5c impairs enhancer function. Remarkably, an impaired enhancer function activates promoter activity from Kdm5c-bound intergenic regions. Our results demonstrate that the Kdm5c demethylase plays a crucial role in the functional identity and discrimination of enhancers and core promoters. We speculate that this is related to recruitment of H3K4me3 binders like the TFIID and NURF complexes6-8. Providing functional identity to genomic regions through balancing enzymes that deposit and remove histone modifications may prove to be a general epigenetic mechanism for the functional indexing of eukaryotic genomes. Examination of the KDM5C binding sites in mouse embryonic stem cells and in neuronal progenitor cells. Effect of KDM5C knock down on H3K4me3 and H3K4me1 levels and gene expression.

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The Histone Demethylase KDM5C Functions as a Tumor Suppressor in AML by Repression of B ivalently M arked Immature Genes

Project description:To uncover novel epigenetic regulators in AML, we performed an in vivo short hairpin RNA (shRNA) screen in the context of Cebpa mutant AML. This led to the identification of the Histone 3 Lysine 4 (H3K4) demethylase, KDM5C, as a novel tumor suppressor in AML. KDM5C potentially functions as a transcriptional repressor via its demethylase activity at promoters, and dysregulation could therefore have widespread consequences. Here, we found that reduced Kdm5c/KDM5C expression is associated with accelerated growth in both human and murine AML cell lines. In vivo, Kdm5c knockdown in a Cebpa mutant AML mouse model resulted in a more aggressive, immature and short-latency phenotype. Mechanistically, we show that knockdown of Kdm5c increased H3K4me3 globally. This translated into the up-regulation of a group of bivalently marked immature genes, resulting in a de-differentiation phenotype which could be reversed by modulating levels of pro-differentiation factors. Finally, we demonstrated that low levels of KDM5C were associated with a decrease in long-term disease-free survival, specifically in female patients. This emphasizes the clinical relevance of our findings and identifies KDM5C as a novel female-biased tumor suppressor in AML.

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The histone demethylase KDM5C represses trophoblast proliferation and invasion in woman with recurrent miscarriage

Project description:KDM5C is a histone H3K4-specific demethylase, which has been shown to play a key role in biological disease and development. However, the role of KDM5C in trophoblasts at early pregnancy is currently unknown. Here, we showed that KDM5C was upregulated in placental trophoblasts from recurrent miscarriage (RM) patients compared with healthy controls (HCs). Trophoblast proliferation and invasion was inhibited by KDM5C overexpression and was promoted by KDM5C knockdown. Transcriptome sequencing revealed that elevated KDM5C exerted anti-proliferation and anti-invasion effects by repressing the expression of essential regulatory genes. The combination analysis of RNA-seq, ChIP-seq and CUT&Tag assay showed that KDM5C overexpression leads to the reduction of H3K4me3 on the promoters and the corresponding downregulation of expression of several regulatory genes in trophoblasts. Among these genes, TGFβ2 and RAGE are essential for the proliferation and invasion of trophoblasts. Importantly, overexpression of KDM5C by a systemically delivered KDM5C adenovirus vector (Ad-KDM5C) promoted embryo resorption rate in mouse. Our results support that KDM5C is an important regulator of the trophoblast function during early pregnancy, and suggesting that KDM5C activity could be responsible for epigenetic alterations seen RM disease. This SuperSeries is composed of the SubSeries listed below.

2022-12-16 | GSE141718 | GEO

The Kdm5c histone demethylase controls enhancer and promoter function.

2013-04-01 | GSE34975 | GEO