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The H2A.Z.1/PWWP2A/NuRD-associated protein HMG20A controls early head and heart developmental transcription programs

ABSTRACT: This SuperSeries is composed of the SubSeries listed below.

ORGANISM(S): Mus musculus Homo sapiens

PROVIDER: GSE202199 | GEO | 2022/12/12

REPOSITORIES: GEO

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The H2A.Z and NuRD associated protein HMG20A controls early head and heart developmental transcription programs.

Project description:Specialized chromatin-binding proteins are required for DNA-based processes during development. We recently established PWWP2A as a direct histone variant H2A.Z interactor involved in mitosis and craniofacial development. Here, we identify the H2A.Z/PWWP2A-associated protein HMG20A as part of several chromatin-modifying complexes, including NuRD, and show that it localizes to distinct genomic regulatory regions. Hmg20a depletion causes severe head and heart developmental defects in Xenopus laevis. Our data indicate that craniofacial malformations are caused by defects in neural crest cell (NCC) migration and cartilage formation. These developmental failures are phenocopied in Hmg20a-depleted mESCs, which show inefficient differentiation into NCCs and cardiomyocytes (CM). Consequently, loss of HMG20A, which marks open promoters and enhancers, results in chromatin accessibility changes and a striking deregulation of transcription programs involved in epithelial-mesenchymal transition (EMT) and differentiation processes. Collectively, our findings implicate HMG20A as part of the H2A.Z/PWWP2A/NuRD-axis and reveal it as a key modulator of intricate developmental transcription programs that guide the differentiation of NCCs and CMs.

| S-EPMC9884267 | biostudies-literature

The H2A.Z.1/PWWP2A/NuRD-associated protein HMG20A controls early head and heart developmental transcription programs [RNA_CM_AH]

Project description:Specialized chromatin-binding proteins are required for DNA-based processes during development. We recently established PWWP2A as direct histone variant H2A.Z interactor involved in mitosis and cranial-facial development. Here, we identify the H2A.Z/PWWP2A-associated HMG20A protein as part of several chromatin-modifying complexes including NuRD, and to localize to genomic regulatory regions. Hmg20a depletion causes severe head and heart developmental defects in Xenopus laevis due to neural crest cell (NCC) and cardiomyocyte (CM) differentiation malfunctions. Such defects are pheno-copied in HMG20A-depleted mESCs, which show inefficient differentiation into NCCs and CMs. Accordingly, loss of HMG20A caused striking deregulation of transcription programs involved in epithelial-mesenchymal transition (EMT) and cardiac differentiation, thereby shedding light on HMG20A-specific developmental defects. Collectively, our findings implicate HMG20A as part of the H2A.Z/PWWP2A/NuRD-axis and as a key modulator during NCC and cardiomyocyte differentiation by guiding intricate developmental transcription programs.

2022-12-12 | GSE202198 | GEO

The H2A.Z.1/PWWP2A/NuRD-associated protein HMG20A controls early head and heart developmental transcription programs [HeLa_RNA_AH]

2022-12-12 | GSE202197 | GEO

The H2A.Z.1/PWWP2A/NuRD-associated protein HMG20A controls early head and heart developmental transcription programs [HeLa_ChIP_AH]

2022-12-12 | GSE202196 | GEO

The H2A.Z.1/PWWP2A/NuRD-associated protein HMG20A controls early head and heart developmental transcription programs [CNR_CM_AH]

2022-12-12 | GSE202195 | GEO

The H2A.Z.1/PWWP2A/NuRD-associated protein HMG20A controls early head and heart developmental transcription programs [ATAC-seq]

2022-12-12 | GSE217298 | GEO

The H2A.Z.1/PWWP2A/NuRD-associated protein HMG20A controls early head and heart developmental transcription programs

Project description:The H2A.Z.1/PWWP2A/NuRD-associated protein HMG20A controls early head and heart developmental transcription programs

| PRJNA834974 | ENA

The H2A.Z.1/PWWP2A/NuRD-associated protein HMG20A controls early head and heart developmental transcription programs [HeLa_ChIP_AH]

Project description:The H2A.Z.1/PWWP2A/NuRD-associated protein HMG20A controls early head and heart developmental transcription programs [HeLa_ChIP_AH]

| PRJNA834983 | ENA

The H2A.Z.1/PWWP2A/NuRD-associated protein HMG20A controls early head and heart developmental transcription programs [HeLa_RNA_AH]

Project description:The H2A.Z.1/PWWP2A/NuRD-associated protein HMG20A controls early head and heart developmental transcription programs [HeLa_RNA_AH]

| PRJNA834982 | ENA

The H2A.Z.1/PWWP2A/NuRD-associated protein HMG20A controls early head and heart developmental transcription programs [RNA_CM_AH]

Project description:The H2A.Z.1/PWWP2A/NuRD-associated protein HMG20A controls early head and heart developmental transcription programs [RNA_CM_AH]

| PRJNA834981 | ENA

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