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MYST4 (QKF/KAT6B/MORF) transcriptional targets in the adult dorsal cortex and E12.5 embryonic dorsal telencephalon

ABSTRACT: MYST4 (QKF/KAT6B/MORF) is an important regulator of brain development and function through its regulation of gene expression. Genetic targets of MYST4 are currently unknown. We have therefore carried out microarrays comparing gene expression in wild type and Qkf mouse tissues, namely the dorsal cortex and E12.5 dorsal telencephalon, to elucidate genetic targets of MYST4.

ORGANISM(S): Mus musculus

PROVIDER: GSE22969 | GEO | 2011/07/08

SECONDARY ACCESSION(S): PRJNA127743

REPOSITORIES: GEO

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MYST4 (QKF/KAT6B/MORF) transcriptional targets in the adult dorsal cortex and E12.5 embryonic dorsal telencephalon

Project description:MYST4 (QKF/KAT6B/MORF) is an important regulator of brain development and function through its regulation of gene expression. Genetic targets of MYST4 are currently unknown. We have therefore carried out microarrays comparing gene expression in wild type and Qkf mouse tissues, namely the dorsal cortex and E12.5 dorsal telencephalon, to elucidate genetic targets of MYST4. RNA was extracted for hybridization to arrays from 3 pairs of wild type and Qkf gt/gt mutant adult dorsal corticies and 3 pairs of wild type and Qkf gt/gt mutant E12.5 dorsal telencephalons

2011-07-08 | E-GEOD-22969 | biostudies-arrayexpress

Mus musculus

Project description:MYST4 (QKF/KAT6B/MORF) transcriptional targets in the adult dorsal cortex and E12.5 embryonic dorsal telencephalon

| PRJNA127743 | ENA

The histone acetyltransferase KAT6B is required for haematopoietic stem cell development and function

Project description:The histone lysine acetyltransferase KAT6B (MYST4, MORF, QKF) is the target of recurrent chromosomal translocations causing haematological malignancies with poor prognosis. Using Kat6b germline deletion and overexpression in mice, we determined the role of KAT6B in the haematopoietic system. We found that KAT6B sustained the fetal haematopoietic stem cell pool but did not affect viability or differentiation. KAT6B was essential for normal levels of histone H3 lysine 9 (H3K9) acetylation but not for a previously proposed target, H3K23. Compound heterozygosity of Kat6b and the closely related gene, Kat6a, abolished haematopoietic reconstitution after transplantation. KAT6B and KAT6A cooperatively promoted transcription of genes regulating haematopoiesis, including the Hoxa cluster, Pbx1, Meis1, Gata family, Erg and Flt3. In conclusion, we identified the haematopoietic processes requiring Kat6b and showed that KAT6B and KAT6A synergistically promoted HSC development, function and transcription. Our findings are pertinent to current clinical trials testing KAT6A/B inhibitors as cancer therapeutics.

2024-02-25 | GSE256039 | GEO

Expression in the dorsal telencephalon of E13.5 conditional Dicer KO mice

Project description:To study the effect of miRNA depletion in the embryonic forebrain, we isolated RNA from E13.5 dorsal telencephalon of mice homozygous for a floxed Dicer allele and hemizygous for the forebrain expressed Emx1Cre (Dicer KO mice). These samples were compared to littermates heterozygous for the floxed allele and hemizygous for Emx1Cre.

2012-08-30 | GSE37610 | GEO

RNA-seq profiling of mouse embryonic fibroblasts from Kat6a knockout and wildtype mice

Project description:Acetylation of histones by lysine acetyltransferases (KATs) is essential for transcriptional regulation of gene expression. The MYST family of KATs (KAT5-8) includes the oncogenes KAT6A (MOZ) and KAT6B (MORF/QKF). KAT6A has key roles in promoting cell proliferation through transcriptional activation of negative regulators of the Cdkn2a locus, which encode the tumor suppressors INK4A and ARF. To examine the loss of KAT6A function, mouse embryonic fibroblasts (MEFs) were isolated from E13.5 Kat6a+/+ and Kat6a–/– embryos and RNA-seq profiling was performed.

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Expression in the dorsal telencephalon of E13.5 conditional Dicer KO mice

2012-08-30 | E-GEOD-37610 | biostudies-arrayexpress

Identification of KAT6B signature on KAT6B deficient SCLC cell Lines

Project description:To develop our gene expression experiment, we have employed whole genome microarray expression profiling as a discovery platform to identify genes potentially regulated by the transcriptional coactivator KAT6B. Expression of KAT6B gene was downregulated in two human SCLC cell lines using two different short hairpin RNAs. RNAs from these modified cell lines were hybridized in Agilent platform.

2015-10-07 | GSE59136 | GEO

RNA-seq profiling of mouse embryonic fibroblasts treated with WM-2474 or DMSO

Project description:Acetylation of histones by lysine acetyltransferases (KATs) is essential for chromatin organization and function. The MYST family of KATs (KAT5-8) includes the oncogenes KAT6A (MOZ) and KAT6B (MORF/QKF). KAT6A has essential roles in normal hematopoietic stem cells and is the target of recurrent chromosomal translocations, causing acute myeloid leukemia. Similarly, chromosomal translocations in KAT6B have been identified in diverse cancers. KAT6A suppresses cellular senescence via regulation of suppressors of the CDKN2A locus, a function that requires its KAT activity. Loss of one allele of KAT6A extends the median survival of mice with MYC-induced lymphoma from 105 to 413 days. These findings suggest that inhibition of KAT6A and KAT6B may provide a therapeutic benefit in cancer. We have produced a series of highly potent, selective inhibitors of KAT6A/B including WM-8014 and WM-1119, which we anticipate will be useul in accelerating development of therapeutics. For comparison purposes, we also generated an inactive analogue WM-2474 as a control treatment. The data here focus on WM-2474 and present RNA-seq profiling of mouse embryonic fibroblasts (MEFs) treated with either WM-2472 or DMSO.

2018-08-03 | GSE114963 | GEO

Comparison of gene expression in FGFR1 heterozygous and null E12.5 murine telencephalons

Project description:We analysed changes in gene expression in the dorsal telencephalon of forebrain-specific FGFR1 mutant mice. Keywords: mutant analysis

2005-08-26 | GSE2857 | GEO

RNA sequencing of cortical neurons from Kat6b deficient mouse foetuses

Project description:The RNA sequencing data are part of a study reporting and investigating a mouse model of the Say-Barber-Biesecker-Young-Simpson (SBBYS) syndrome (OMIM:603736) and demonstrating proof-of-principle efficacy of postnatal treatment with sodium valproate (VPA) or acetyl-carnitine (ALCAR). The KAT6B gene encodes a histone lysine acetyltransferase. The RNA sequencing experiments identified genes that are differentially expressed between Vehicle treated Kat6b+/– and Kat6b+/+ cortical neurons and the subset genes that are restored to normal expression after treatment with ALCAR or VPA. Cortical neurons were isolated from four Kat6b+/– and four Kat6b+/+ E16.5 mouse cerebral cortex. Cells from each cortical neuron isolate were cultured with 1 mM ALCAR, 1 mM VPA or untreated medium (Vehicle) for 4 days.

2024-01-28 | GSE249964 | GEO

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