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E-GEOD-59928

ABSTRACT: Expression data from 24 hours of Sox17 overexpression in pancreatic islets of a 16-week old mice

OTHER RELATED OMICS DATASETS IN: PRJNA257072

PROVIDER: E-GEOD-59928 | ExpressionAtlas | 2015-07-29

REPOSITORIES: ExpressionAtlas

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			Action	DRS
	E-GEOD-59928-analysis-methods.tsv	Tabular
	E-GEOD-59928-atlasExperimentSummary.Rdata	Rdata
	E-GEOD-59928-configuration.xml	Xml
	E-GEOD-59928-percentile-ranks.tsv	Tabular
	E-GEOD-59928.condensed-sdrf.tsv	Tabular

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Mus musculus

Project description:Expression data from 24 hours of Sox17 overexpression in pancreatic islets of a 16-week old mice

| PRJNA257072 | ENA

Expression data from 24 hours of Sox17 overexpression in pancreatic islets of a 16-week old mice

Project description:Secretion of insulin by pancreatic β cells in response to glucose is central for glucose homeostasis, and dysregulation of this process is a hallmark of the early stages of diabetes. We utilized a tetracycline-inducible approach to investigate the immediate impact of a pulse of Sox17 expression on the insulin secretory pathway. Sox17 gain-of-function animals (Sox17-GOF) were generated using an Ins2-rtTA mouse line and a line in which Sox17 expression is regulated by the tetracycline transactivator (tetO-Sox17). Administering doxycycline to 16-week old mice resulted in Sox17 overexpression in mature β cells in the islets. In order to identify the molecular basis by which Sox17 regulates the secretory pathway in β cells, we performed microarray analysis on isolated islets following a 24-hour pulse of Sox17 overexpression.

2014-07-31 | GSE59928 | GEO

To investigate whether recover DNMT3A expression permitted adult beta cell of βRapKO establishing proper transcriptome

Project description:Murine islets were isolated from 8-week-old WT and βRapKO mice and initially recovered in 1640 RPMI supplemented with 10% serum, 11.1mM glucose overnight. Then islets were transfected with Lenti-GFP or Lenti-Dnmt3a for 24 hours, following cultured in 1640 RPMI medium for 48 hours.Islets were harvested and stored in -80°C for preparation for RNA sequencing.

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Expression data from 24 hours of Sox17 overexpression in pancreatic islets of a 16-week old mice

Project description:Secretion of insulin by pancreatic Î² cells in response to glucose is central for glucose homeostasis, and dysregulation of this process is a hallmark of the early stages of diabetes. We utilized a tetracycline-inducible approach to investigate the immediate impact of a pulse of Sox17 expression on the insulin secretory pathway. Sox17 gain-of-function animals (Sox17-GOF) were generated using an Ins2-rtTA mouse line and a line in which Sox17 expression is regulated by the tetracycline transactivator (tetO-Sox17). Administering doxycycline to 16-week old mice resulted in Sox17 overexpression in mature Î² cells in the islets. In order to identify the molecular basis by which Sox17 regulates the secretory pathway in Î² cells, we performed microarray analysis on isolated islets following a 24-hour pulse of Sox17 overexpression. We chose to analyze a 24 hour pulse of Sox17 for islet pancreas RNA extraction and hybridization on Affymetrix microarrays since it was sufficient to stimulate the insulin secretory pathway without causing changes in islet architecture.

2014-07-31 | E-GEOD-59928 | biostudies-arrayexpress

Targeted pharmacological therapy restores β-cell function for diabetes remission

Project description:This dataset consists of single-cell RNA-seq (10X) data from disperesed pancreatic islets of healthy and STZ induced diabetic mice. STZ (Sigma) was injected intraperitoneally in 8-week old male C57BLJ/6 mice at 50 mg/kg for five consecutive days. Islets were isolated from healthy mice and STZ diabetic mice after 100 days of either vehicle or drug treatment.

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Effects of Sorcin (SRI) overexpression on mouse pancreatic beta cells transcriptome

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Project description:Single-cell RNA sequencing of pancreatic islets from 18-week-old male New Zealand Obese (NZO/HIBomDife) and B6.V-Lepob/ob (OB) mice were fed a standard diet or a carbohydrate-enriched diet for 2 additional days (+CH / -CH).

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Project description:Nkx6.1 target genes were identified in mature pancreatic islets by comparing gene expression in conditional Nkx6.1-ablated islets versus control islets using microarray analysis. Nkx6.1 was conditionally ablated in mature pancreatic islets by recombination of a Nkx6.1-flox allele using the tamoxifen-inducible Pdx1-CreERTM allele (Gu et al 2002). Mice were injected with 2 mg/25 g tamoxifen in corn oil four times between 4 and 6 weeks of age. Islets were isolated after the final tamoxifen injection. Total RNA was isolated and pooled from pancreata of 6 week old Nkx6.1fl/-;Pdx1-CreERTM (mutant) versus Nkx6.1fl/+;Pdx1-CreERTM (control) littermates for 3 biological replicates.

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Role of IGF2R in beta cells

Project description:RNA-seq data of isolated pancreatic islets of one-year-old wild type and IGF2 receptor knock out mice.

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