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MAFB permits differentiation by permitting WT1 binding to podocyte specific promoters [MAFb KO RNA-seq]

ABSTRACT: MAFB permits differentiation by permitting WT1 binding to podocyte specific promoters [MAFb KO RNA-seq]

PROVIDER: PRJNA978562 | ENA |

REPOSITORIES: ENA

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MAFB permits differentiation by permitting WT1 binding to podocyte specific promoters

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MAFB permits differentiation by permitting WT1 binding to podocyte specific promoters [WT1-MAFB_ChIP-seq]

Project description:Podocytes are highly specialized cells, but their chromatin status and the precise molecular events leading to their differentiation remain poorly defined. Here we used ChIP-Seq analysis for H3K4me3, H3K4me1 and H3K27me3 to establish the histone methylation map in adult.Loss of MafB led to the deposition of extracellular matrix, progressive foot process effacement, and kidney disease. mouse podocytes. Our data demonstrate open chromatin across podocyte specific genes and reveals that genes expressed in the mesoderm lineage become actively repressed upon podocyte differentiation. To better understand the transcriptional control of podocyte differentiation, we studied the role of transcription factor MAFB.

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MAFB permits differentiation by permitting WT1 binding to podocyte specific promoters [MAFb KO RNA-seq]

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Transcriptome profile of MafB-cKO of podocyte

Project description:The transcription factor MafB is essential for differentiation and foot process formation of podocytes. In order to identify the downstream targets of MafB, we analyzed the Mafb-deficient podocyte by RNA-seq. We found slit diaphragm-related protein (Nphs1, Magi2), Rho GTPase-activating protein (Arhgap24, Iqgap2) and podocyte-specific transcription factor (Tcf21) were significantly reduced in MafB cKO glomeruli. This indicates that one of these factors might be directly regulated by MafB to maintain its function in podocyte maintenance.

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Genome-wide analysis of WT1-controlled gene expression in podocytes

Project description:We identified binding sites of the Wilms' tumor suppressor protein WT1 in the mouse podocyte genome in vivo by ChIP-seq. Furthermore, we provide a podocyte transcriptome derived from primary podocytes that were isolated by FACS on mouse glomeruli. In short, we show that WT1 activates a highly specific podocyte transcriptome by binding to putative podocyte-specific enhancers and TSS of target genes. Genes bound by WT1 in podocytes include the majority of genes mutated in hereditary podocytopathies as well as components of the slit diaphragm, actin cytoskeleton, extracellular matrix, and within endocytosis pathways. Furthermore, we infer a podocyte TF network from DNA-binding motifs enriched at WT1-bound loci that includes Tead, Lmx1b, Mafb, Tcf21, and Fox-class transcription factors. Examination of transcription factor binding sites for WT1 by ChIP-seq. Transcriptome analysis of podocytes by RNA-seq.

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MAFB permits differentiation by permitting WT1 binding to podocyte specific promoters

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

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Genome-wide analysis of WT1-controlled gene expression in podocytes

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