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Role of the histone demethylase KDM2B in hematopoietic homeostasis and malignancies

ABSTRACT: Role of the histone demethylase KDM2B in hematopoietic homeostasis and malignancies

PROVIDER: PRJNA289447 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR2089850.fastq.gz	Fastqsanger.gz
	SRR2089851.fastq.gz	Fastqsanger.gz
	SRR2089852.fastq.gz	Fastqsanger.gz
	SRR2089853.fastq.gz	Fastqsanger.gz
	SRR2089854.fastq.gz	Fastqsanger.gz

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Role of the histone demethylase KDM2B in hematopoietic homeostasis and malignancies [ChIP-seq]

Project description:Development of the hematopoietic system is dynamically controlled by the interplay of transcriptional and epigenetic networks to determine cellular identity. Those networks are critical for homeostasis and frequently dysregulated in leukemias. We identified histone demethylase Kdm2b as a critical regulator of definitive hematopoiesis and lineage specification of hematopoietic stem and progenitor cells (HSPCs). RNA sequencing in murine HSPCs and genome-wide chromatin immunoprecipitation studies in human leukemias revealed that Kdm2b regulates differentiation, lineage choice, cytokine signaling, and quiescence. Identify the binding of KDM2B in seven human leukemia cell lines

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Role of the histone demethylase KDM2B in hematopoietic homeostasis and malignancies [RNA-seq]

Project description:Development of the hematopoietic system is dynamically controlled by the interplay of transcriptional and epigenetic networks to determine cellular identity. Those networks are critical for homeostasis and frequently dysregulated in leukemias. We identified histone demethylase Kdm2b as a critical regulator of definitive hematopoiesis and lineage specification of hematopoietic stem and progenitor cells (HSPCs). RNA sequencing in murine HSPCs and genome-wide chromatin immunoprecipitation studies in human leukemias revealed that Kdm2b regulates differentiation, lineage choice, cytokine signaling, and quiescence. Comparison of gene expression in wild-type and knockout HSPCs

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Role of the histone demethylase KDM2B in hematopoietic homeostasis and malignancies [human cell line gene expression]

Project description:Development of the hematopoietic system is dynamically controlled by the interplay of transcriptional and epigenetic networks to determine cellular identity. Those networks are critical for homeostasis and frequently dysregulated in leukemias. We identified histone demethylase Kdm2b as a critical regulator of definitive hematopoiesis and lineage specification of hematopoietic stem and progenitor cells (HSPCs). RNA sequencing in murine HSPCs and genome-wide chromatin immunoprecipitation studies in human leukemias revealed that Kdm2b regulates differentiation, lineage choice, cytokine signaling, and quiescence. Identify the KDM2B dependent transcriptome in human leukemia cell lines by using the GeneChipÂ® PrimeViewâ¢ Human Gene Expression Array

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Role of the histone demethylase KDM2B in hematopoietic homeostasis and malignancies [RNA-seq]

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Role of the histone demethylase KDM2B in hematopoietic homeostasis and malignancies [ChIP-seq]

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Role of the histone demethylase KDM2B in hematopoietic homeostasis and malignancies [Kras background mouse gene expression]

Project description:Development of the hematopoietic system is dynamically controlled by the interplay of transcriptional and epigenetic networks to determine cellular identity. Those networks are critical for homeostasis and frequently dysregulated in leukemias. We identified histone demethylase Kdm2b as a critical regulator of definitive hematopoiesis and lineage specification of hematopoietic stem and progenitor cells (HSPCs). RNA sequencing in murine HSPCs and genome-wide chromatin immunoprecipitation studies in human leukemias revealed that Kdm2b regulates differentiation, lineage choice, cytokine signaling, and quiescence. Comparison of gene expression in wild-type and knockout HSPCs We analyzed lineage depleted cells isolated from bone marrow from mice that express oncogenic Kras in the context of knockout and overexpression of Kdm2b in Affymetrxi GeneChipÂ® Mouse Gene 2.0 ST Array

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KDM2B is a Histone H3K79 Demethylase and Induces Transcriptional Repression via SIRT1-mediated Chromatin Silencing

Project description:The methylation of histone H3 lysine 79 (H3K79) acts as an active chromatin marker and is enriched in actively transcribed regions of the genome. However, demethylase of this mark remains unknown despite intensive research. Here, we show that KDM2B (FBXL10), a member of the Jumonji C (JmjC) family of proteins and previously known for its histone H3K36 demethylase activity, is a di- and trimethyl H3K79 demethylase. We demonstrate that KDM2B induces transcriptional repression of HOXA7 and MEIS1 via occupancy of promoters and demethylation of H3K79. Furthermore, genome-wide analysis suggests that H3K79 methylation levels are increased when KDM2B is depleted, suggesting that KDM2B functions as an H3K79 demethylase in vivo. Finally, stable KDM2B-knockdown cell lines exhibited displacement of SIRT1, with concomitant increases in H3K79 methylation and H4K16 acetylation. Our findings identify KDM2B as an H3K79 demethylase and link its function to transcriptional repression via SIRT1-mediated chromatin silencing.

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Role of the histone demethylase KDM2B in hematopoietic homeostasis and malignancies

Project description:This SuperSeries is composed of the SubSeries listed below. Refer to individual Series

2016-02-22 | E-GEOD-70729 | biostudies-arrayexpress