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Histone demethylase KDM4B promotes DNA damage by activating long interspersed nuclear element-1

ABSTRACT: Histone demethylase KDM4B promotes DNA damage by activating long interspersed nuclear element-1

PROVIDER: PRJNA497996 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR8090370_1.fastq.gz	Fastqsanger.gz
	SRR8090370_2.fastq.gz	Fastqsanger.gz
	SRR8090371_1.fastq.gz	Fastqsanger.gz
	SRR8090371_2.fastq.gz	Fastqsanger.gz
	SRR8090372_1.fastq.gz	Fastqsanger.gz

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Similar Datasets

Histone demethylase KDM4B promotes DNA damage by activating long interspersed nuclear element-1

Project description:We assess whole-genome H3K9me3 distribution in cancer cells and find that H3K9me3 is largely enriched in long interspersed nuclear element-1 (LINE-1). A significant proportion of KDM4B-dependent H3K9me3 was located in evolutionarily young LINE-1 elements, which likely retain retrotransposition activity. Ectopic expression of KDM4B promoted LINE-1 expression, while depletion of KDM4B reduced it. Furthermore, KDM4B overexpression enhanced LINE-1 retrotransposition efficacy, copy number, and associated DNA damage, presumably via the histone demethylase activity of KDM4B. Breast cancer cell lines expressing high levels of KDM4B also exhibited increased LINE-1 expression and copy number compared with other cell lines. Pharmacological inhibition of KDM4B significantly reduced LINE-1 expression and DNA damage in breast cancer cells with excessive KDM4B. Our study not only identifies KDM4B as a novel regulator of LINE-1, but it also suggests an unexpected oncogenic role for KDM4B overexpression in tumorigenesis, providing clues for the development of new cancer prevention strategies and therapies.

2018-10-24 | GSE121642 | GEO

KDM4B epigenetically protects against obesity and metabolic dysfunction [gene expression]

Project description:KDM4B (lysine demethylase 4B) in adipose tissues plays a critical role in energy balance, oxidation, lipolysis and thermogenesis. Loss of KDM4B in mice resulted in obesity associated with reduced energy expenditure and impaired adaptive thermogenesis. Mechanistically, we determined that KDM4B directly controls the expression of multiple metabolic genes.

2019-05-22 | GSE102289 | GEO

Transcriptomic analysis of KDM4B-mediated gene in C4-2B prostate cancer cells

Project description:Histone lysine demethylase KDM4B is often overexpressed in prostate cancer and links to poor survival outcome. Recent evidence suggests that KDM4B serves as a potential therapeutic target. The global transcriptomic analysis between control and KDM4B-knockdown C4-2B cells reveals the metabolic genes involved in Warburg effect are downregulated after knocking down the expression of KDM4B, indicating its role in tumor growth.

2023-03-24 | GSE147481 | GEO

ChIP-seq of Danio rerio wild type and kdm4b mutant embryos to investigate kdm4b signaling

Project description:chromatin immunoprecipitation sequencing (ChIP-seq) was performed to identify the targeted genes of kdm4b

2024-07-01 | E-MTAB-13114 | biostudies-arrayexpress

Transcriptomic analysis of KDM4B-mediated genes in AGS cells

Project description:KDM4B, an important epigenetic regulator of cell proliferation, metastasis and genome stability, is often overexpressed in gastric cancer. Notably, elevated expression of KDM4B is associated with a poor clinical outcome. A global transcriptomic analysis between KDM4B control and KDM4B-knockdown AGS cells without or with Helicobacter pylori challenge reveals differentially expressed genes involved in response to virus, multi-organism process, and response to stimulus, suggesting KDM4B as an inducible epigenetic factor under H. pylori challenge.

2019-02-05 | GSE107703 | GEO

Expression analysis of blastocysts in Kdm4b-PEs

Project description:To identify the genes that are controled by H3K9me3 modification in PEs, we conducted transcriptome analysis using Egfp-, Kdm4b-PEs, and IVF embryos at blastocyst stages. Kdm4b or Egfp mRNA injected oocytes were parthenogenetically activated. IVF embryos were generated according to standard protcol. All embryos were cultured in KSOM medium for 120 hours after activation or sperm insemination. Five blastocysts per one biological replicate were pooled and analyzed.

2014-11-15 | E-GEOD-53662 | biostudies-arrayexpress

Targeting KDM4B to disrupt the core regulatory transcription network governed by PAX3-FOXO1 in high-risk rhabdomyosarcoma [ChIP-seq]

Project description:Chimeric transcription factors drive lineage-specific oncogenesis but are notoriously difficult to target. Alveolar rhabdomyosarcoma is an aggressive childhood soft tissue sarcoma, mainly driven by the pathognomonic PAX3–FOXO1, which governs a core regulatory circuitry transcription factor (CRC TF) network. Here we show that the histone lysine demethylase KDM4B is a therapeutic vulnerability to the PAX3–FOXO1+ RMS. Genetic and pharmacologic inhibition of KDM4B significantly delays tumor growth, disrupting the expression of CRC TFs in accordance with the alterations of PAX3–FOXO1-determining super enhancers. Combination of KDM4B inhibitor with cytotoxic chemotherapy leads to significant tumor regression in preclinical PAX3–FOXO1+ RMS models. In summary, we have identified a targetable epigenetic modifier required for the functions of PAX3–FOXO1, which may translate to a novel therapeutic approach for the high-risk RMS.

2022-09-06 | GSE157094 | GEO

Targeting KDM4B to disrupt the core regulatory transcription network governed by PAX3-FOXO1 in high-risk rhabdomyosarcoma [CUT&RUN]

2022-09-06 | GSE157093 | GEO

Targeting KDM4B to disrupt the core regulatory transcription network governed by PAX3-FOXO1 in high-risk rhabdomyosarcoma [ATAC-seq]

2022-09-06 | GSE157092 | GEO

KDM4B- and KDM6B-regulated genes in human mesenchymal stem cell osteogenic differentiation

Project description:To investigate how histone demethylases KDM4B and KDM6B may be involved in osteogenic commitment of mesenchymal stem cells (MSCs), we performed gene expression profiling and comparison on control, KDM4B- and KDM6B-knockdown MSCs at different stages of osteogenic differentiation. Human MSCs infected with scramble shRNAs, shRNAs against KDM4B or KDM6B are treated with BMP4/7 for 0, 4 and 24hrs. Total RNA were extracted from these 9 samples.

2012-07-31 | E-GEOD-36970 | biostudies-arrayexpress

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