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HDAC3 ensures stepwise epidermal stratification via NCoR/SMRT-reliant mechanisms independent of its histone deacetylase activity (KLF4 microarray)

ABSTRACT: HDAC3 ensures stepwise epidermal stratification via NCoR/SMRT-reliant mechanisms independent of its histone deacetylase activity (KLF4 microarray)

PROVIDER: PRJNA564840 | ENA |

REPOSITORIES: ENA

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HDAC3 ensures stepwise epidermal stratification via NCoR/SMRT-reliant mechanisms independent of its histone deacetylase activity (KLF4 microarray)

Project description:Chromatin modifiers play critical roles in epidermal development, but the functions of histone deacetylases in this context are poorly understood. We find that the Class I HDAC, HDAC3, is expressed broadly in embryonic epidermis, and is required for its orderly stepwise stratification. Stability of HDAC3 protein in vivo is reliant on NCoR and SMRT, which function redundantly in epidermal development. However, point mutations in the NCoR and SMRT Deacetylase Activating Domains, which are required for HDAC3’s enzymatic function, permit normal stratification, indicating that HDAC3’s roles in this context are independent of its histone deacetylase activity. HDAC3 functions both in conjunction with, and independent of, KLF4 to repress premature expression of different sets of terminal differentiation genes and suppresses expression of inflammatory cytokines through a RelA-dependent mechanism. These data identify HDAC3 as a hub coordinating multiple aspects of epidermal barrier acquisition. We used microarrays to determine transcriptional changes in Klf4 deleted epidermis compared to control.

2020-08-23 | GSE137233 | GEO

HDAC3 ensures stepwise epidermal stratification via NCoR/SMRT-reliant mechanisms independent of its histone deacetylase activity (HDAC3_KLF4_ChIPseq)

2020-08-23 | GSE137232 | GEO

HDAC3 ensures stepwise epidermal stratification via NCoR/SMRT-reliant mechanisms independent of its histone deacetylase activity (HDAC3 NCoRSMRT microarray)

2020-08-23 | GSE137234 | GEO

HDAC3 ensures stepwise epidermal stratification via NCoR/SMRT-reliant mechanisms independent of its histone deacetylase activity

Project description:HDAC3 ensures stepwise epidermal stratification via NCoR/SMRT-reliant mechanisms independent of its histone deacetylase activity

| PRJNA564838 | ENA

HDAC3 ensures stepwise epidermal stratification via NCoR/SMRT-reliant mechanisms independent of its histone deacetylase activity.

Project description:Chromatin modifiers play critical roles in epidermal development, but the functions of histone deacetylases in this context are poorly understood. The class I HDAC, HDAC3, is of particular interest because it plays divergent roles in different tissues by partnering with tissue-specific transcription factors. We found that HDAC3 is expressed broadly in embryonic epidermis and is required for its orderly stepwise stratification. HDAC3 protein stability in vivo relies on NCoR and SMRT, which function redundantly in epidermal development. However, point mutations in the NCoR and SMRT deacetylase-activating domains, which are required for HDAC3's enzymatic function, permit normal stratification, indicating that HDAC3's roles in this context are largely independent of its histone deacetylase activity. HDAC3-bound sites are significantly enriched for predicted binding motifs for critical epidermal transcription factors including AP1, GRHL, and KLF family members. Our results suggest that among these, HDAC3 operates in conjunction with KLF4 to repress inappropriate expression of Tgm1, Krt16, and Aqp3 In parallel, HDAC3 suppresses expression of inflammatory cytokines through a Rela-dependent mechanism. These data identify HDAC3 as a hub coordinating multiple aspects of epidermal barrier acquisition.

| S-EPMC7328513 | biostudies-literature

HDAC3 ensures stepwise epidermal stratification via NCoR/SMRT-reliant mechanisms independent of its histone deacetylase activity (HDAC3_KLF4_ChIPseq)

Project description:HDAC3 ensures stepwise epidermal stratification via NCoR/SMRT-reliant mechanisms independent of its histone deacetylase activity (HDAC3_KLF4_ChIPseq)

| PRJNA564839 | ENA

HDAC3 ensures stepwise epidermal stratification via NCoR/SMRT-reliant mechanisms independent of its histone deacetylase activity (HDAC3 NCoRSMRT microarray)

Project description:HDAC3 ensures stepwise epidermal stratification via NCoR/SMRT-reliant mechanisms independent of its histone deacetylase activity (HDAC3 NCoRSMRT microarray)

| PRJNA564841 | ENA

HDAC3 ensures stepwise epidermal stratification via NCoR/SMRT-reliant mechanisms independent of its histone deacetylase activity

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

2020-08-23 | GSE137235 | GEO

A Bcl6-Smrt/Ncor repression program controls atherosclerosis

Project description:This SuperSeries is composed of the following subset Series: GSE27001: Inhibition of Bcl6-SMRT/NCoR interactions by an inhibitory peptide affects inflammatory pathways GSE27033: Genome-wide location analysis of SMRT and NCoR in wild-type and Bcl6 knockout macrophages Refer to individual Series

2012-03-29 | E-GEOD-27060 | biostudies-arrayexpress

CDDP treatment of U2OS cells with NCOR and SMRT knock-down

Project description:We detected an interaction between checkpoint kinase Chk2 and some members of the NCOR/SMRT co-repressor complex. In order to study the role of gene repression in the checkpoint response to DNA damage, we performed RNA profiling in NCOR or SMRT knockdown cells after treztment with cisplatin. U2OS cells were transfected with siRNAs for NCOR or SMRT, grown for 2 days in complete medium, and then treated with 100 microM cisplatin (CDDP) for 6h. Biological duplicates were used for RNa profiling

2012-02-06 | E-GEOD-34226 | biostudies-arrayexpress

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