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Genes regulated by the winged helix transcription factor Rfx6 in adult beta cell in the mouse

ABSTRACT: The goal of this study was to identify genes which are differentiatlly expresesd upon induced inactivation of Rfx6 in beta cell in adult mice

ORGANISM(S): Mus musculus

PROVIDER: GSE59622 | GEO | 2014/12/11

SECONDARY ACCESSION(S): PRJNA255767

REPOSITORIES: GEO

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Genes regulated by the winged helix transcription factor Rfx6 in adult beta cell in the mouse

Project description:The goal of this study was to identify genes which are differentiatlly expresesd upon induced inactivation of Rfx6 in beta cell in adult mice Rfx6fl/fl; Ins1-CreERT2 (mut) and Rfx6fl/fl (ctrl) 8 weeks old mice were injected subcutaneously with tamoxifen daily during 3 days. Pancreatic islets were isolated 5 days after the first injection and RNA purified.

2014-12-11 | E-GEOD-59622 | biostudies-arrayexpress

RFX6 haploinsufficiency impairs β-cell functionality predisposing to diabetes

Project description:We performed bulk RNA-seq analysis for CRISPR-Cpf1 mutated H1 cells that were differentiated into pancreatic cells. Homozygous mutant was compared to control cells (RFX6-/- vs RFX6+/+) at stage 3 (PF) and stage 5 (EP), and heterozygous mutant was compared to control cells (RFX6-/+ vs RFX6+/+) at stage 7 (SC-islets).

2024-04-11 | GSE234289 | GEO

Rfx6 is an Ngn3-dependent winged helix transcription factor required for pancreatic islet cell development.

Project description: Not available

| S-EPMC2799156 | biostudies-literature

Identification of Rfx6-dependent genes in the adult mouse ileon by RNAseq

Project description:The goal of this experiment was to identify Rfx6-regulated genes in the ileum of adult mice by comparative transcriptome studies, 8 days and 3 months after Rfx6 removal .

2019-08-15 | GSE132997 | GEO

Rfx6 target genes in the Min6b1 cell line, a pancreatic beta cell model

Project description:Increasing evidence suggests that loss of beta cell characteristics may cause insulin secretory deficiency in diabetes but the underlying mechanisms remain unclear. Here we show that Rfx6, whose mutation leads to neonatal diabetes in man, is essential to maintain key features of functionally mature beta cells in mice. Rfx6 loss in adult beta cells leads to glucose intolerance, impaired beta cell glucose sensing and to defective insulin secretion. This is associated with reduced expression of core components of the insulin secretion pathway including GLucokinase, the Abcc8/SUR1 subunit of KATP channels and voltage-gated Ca2 channels, which are direct targets of Rfx6. Moreover, Rfx6 contributes to the silencing of the vast majority of M-bM-^@M-^\disallowedM-bM-^@M-^] genes, a group usually specifically repressed in adult beta cells, and thus to the maintenance of beta cell maturity. These findings raise the possibility that changes in Rfx6 expression or activity may contribute to beta cell failure in man. Two ChIP-Seq experiments have been performed : 1) anti-HA ChIP-Seq on 3HA-Rfx6 transfected Min6b1 cells and 2) anti-HA ChIP-Seq on Min6b1 cells

2014-12-11 | E-GEOD-62844 | biostudies-arrayexpress

Transcriptome profile of human pancreatic beta cell line (EndoC-βH2 ) following knockdown of RFX6.

2014-12-22 | GSE59049 | GEO

Transcriptome profile of human pancreatic beta cell line (EndoC-M-NM-2H2 ) following knockdown of RFX6.

Project description:RFX6 is a key transcription factor for the development of mouse pancreas, however the functional roles of RFX6 in human beta cells are poorly explored. Thus transcriptome analysis was perfomed to determine the functional targets of RFX6 in human beta cells using the recently developed human beta cell-line EndoC-M-NM-2H2. Transcriptome profile of human beta cell line (EndoC-M-NM-2H2 cells) following siRNA induced knockdown of RFX6 is compared with siControl (siNT) treated EndoC-M-NM-2H2 cells.

2014-12-22 | E-GEOD-59049 | biostudies-arrayexpress

Rfx6 target genes in the Min6b1 cell line, a pancreatic beta cell model

Project description:Increasing evidence suggests that loss of beta cell characteristics may cause insulin secretory deficiency in diabetes but the underlying mechanisms remain unclear. Here we show that Rfx6, whose mutation leads to neonatal diabetes in man, is essential to maintain key features of functionally mature beta cells in mice. Rfx6 loss in adult beta cells leads to glucose intolerance, impaired beta cell glucose sensing and to defective insulin secretion. This is associated with reduced expression of core components of the insulin secretion pathway including GLucokinase, the Abcc8/SUR1 subunit of KATP channels and voltage-gated Ca2 channels, which are direct targets of Rfx6. Moreover, Rfx6 contributes to the silencing of the vast majority of “disallowed” genes, a group usually specifically repressed in adult beta cells, and thus to the maintenance of beta cell maturity. These findings raise the possibility that changes in Rfx6 expression or activity may contribute to beta cell failure in man.

2014-12-11 | GSE62844 | GEO

Identification of Rfx6-regulated genes in mouse embryonic small intestine by microarrays

Project description:To identify genes regulated by Rfx6 in the mouse small intestine, we performed microarrays gene profiling

2019-08-15 | GSE132918 | GEO

RFX6 maintains gene expression and function of adult human islet ⍺ cells [CUT&RUN]

Project description:RFX6 genome-binding profiling by CUT&RUN and high-throughput sequencing

2024-01-01 | GSE248851 | GEO