Dataset Information


ChIP-Seq analysis of transcription factors CREB and C/EBP beta in vasopressin-responsive mouse renal collecting duct mpkCCD cells

ABSTRACT: Vasopressin, a peptide hormone, controls renal water excretion, largely through regulation of water channel aquaporin-2 (AQP2) in the renal collecting duct. There are two regulatory mechanisms of AQP2: 1) short-term regulation by membrane trafficking of AQP2; and 2) long-term regulation involving vasopressin-induced changes of protein abundance of AQP2 through regulation of gene transcription and protein half-life. Vasopressin binds a G protein-coupled receptor (V2R) activating a cyclic AMP/protein kinase A (PKA) signaling pathway. Sequentially, after activation of cAMP/PKA signaling, many of transcription factors involve gene transcription process. cAMP-response element binding protein (CREB) and cAMP-responsive transcription factor C/EBP beta are potential candidates for vaopressin-mediated regulation of Aqp2 gene transcription proviously reported. In the present study, genome-wide binding sites for two b-ZIP transcription factors CREB and C/EBP beta were identified in vasopressin-responsive mouse collecting duct mpkCCD cells using ChIP-Seq. Overall design: To identify binding sites of transcription factors CREB and C/EBP beta in cultured mouse collecting duct mpkCCD cells, we carried out ChIP-seq for genome-wide distribution of CREB (n=4) and C/EBP beta (n=2). Observations were made both after 30 minutes treatment with the vasopressin analog dDAVP or vehicle.

INSTRUMENT(S): Illumina HiSeq 2000 (Mus musculus)

SUBMITTER: Hyun Jun Jung  

PROVIDER: GSE98076 | GEO | 2018-03-26


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Genome-Wide Mapping of DNA Accessibility and Binding Sites for CREB and C/EBPβ in Vasopressin-Sensitive Collecting Duct Cells.

Jung Hyun Jun HJ   Raghuram Viswanathan V   Lee Jae Wook JW   Knepper Mark A MA  

Journal of the American Society of Nephrology : JASN 20180323 5

Background Renal water excretion is controlled by vasopressin, in part through regulation of the transcription of the aquaporin-2 gene (Aqp2).Methods To identify enhancer regions likely to be involved in the regulation of Aqp2 and other principal cell-specific genes, we used several next generation DNA-sequencing techniques in a well characterized cultured cell model of collecting duct principal cells (mpkCCD). To locate enhancers, we performed the assay for transposase-accessible chromatin usin  ...[more]

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