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Mus musculus strain:C57BL/KsJ

ABSTRACT: Single-cell transcriptome profiling revealed diabetic cellular society of pancreatic islets

PROVIDER: PRJDB12244 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	DRR318245_1.fastq.gz	Fastqsanger.gz
	DRR318245_2.fastq.gz	Fastqsanger.gz
	DRR318246_1.fastq.gz	Fastqsanger.gz
	DRR318246_2.fastq.gz	Fastqsanger.gz
	DRR318247_1.fastq.gz	Fastqsanger.gz

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Mus musculus strain:C57BL/KsJ

Project description:Comprehensive networks in diabetic pancreatic islets

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DNA methylation profiling of male human pancreatic islets identifies loci for type 2 diabetes

Project description:Little is known about the contribution of the epigenome to the pathophysiology of type 2 diabetes (T2D). Here we have used genome-wide DNA methylation profiling to obtain the first comprehensive DNA methylation data set for human T2D pancreatic islets. Therefore, we analyzed the methylation profile of 27,578 CpG sites affiliated to more than 14,000 genes in 16 samples of pancreatic islets, 11 normal and 5 type 2-diabetic. Keywords: DNA methylation Keywords: Methylation profiling by array We measured the methylation status of the 27,578 CpG sites (Human Methylation27 DNA BeadChip array) in genomic DNA obtained from pnacreatic islets of 11 non-diabetic and 5 type-2-diabetic male human donors to identify genes that are differentially methylated in T2D.

2012-04-22 | E-GEOD-21232 | biostudies-arrayexpress

Human Pluripotent Stem Cell-derived Islets Ameliorate Diabetes in Nonhuman Primates [human_singlecell]

Project description:Pluripotent stem cell-derived islets (hPSC-islets) are a promising cell resource for diabetes treatment. Here, we demonstrate that transplantation of pluripotent stem cell-derived islets into diabetic nonprimates effectively restored endogenous insulin secretion and improved glycemic control. Single-cell RNA sequencing analysis of S6D2 clusters confirmed the existence of the three major pancreatic endocrine cell populations (β cells, α-like cells and δ-like cells) and their proportions, which altogether accounted for 80%. Importantly, hierarchical clustering of S6D2 hCiPSC-islets, 10 wpt kidney grafts and primary islets showed that the hCiPSC differentiated pancreatic endocrine cells shared similar global gene expression profiles to their native counterparts in primary islets. Single-cell RNA sequencing analysis on PBMCs revealed the potential immune response of recipient macaque to hCiPSC-islets.

2022-02-04 | GSE185036 | GEO

Human Pluripotent Stem Cell-derived Islets Ameliorate Diabetes in Nonhuman Primates [monkey_singlecell]

Project description:Human pluripotent stem cell-derived islets (hPSC-islets) are a promising cell resource for diabetes treatment. Here, we demonstrate that transplantation of human pluripotent stem cell-derived islets into diabetic nonhuman primates effectively restored endogenous insulin secretion and improved glycemic control. Single-cell RNA sequencing analysis of S6D2 clusters confirmed the existence of the three major pancreatic endocrine cell populations (β cells, α-like cells and δ-like cells) and their proportions, which altogether accounted for 80%. Importantly, hierarchical clustering of S6D2 hCiPSC-islets, 10 wpt kidney grafts and primary human islets showed that the hCiPSC differentiated pancreatic endocrine cells shared similar global gene expression profiles to their native counterparts in primary human islets. Single-cell RNA sequencing analysis on PBMCs revealed the potential immune response of recipient macaque to hCiPSC-islets.

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Human Pluripotent Stem Cell-derived Islets Ameliorate Diabetes in Nonhuman Primates [human_bulk]

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GNPS - Mouse Pancreatic Peptide Hormones Probed at the Sub-Single-Islet Level: The Effects of Acute Corticosterone Treatment

Project description:LC-IMS-MS data of single mouse pancreatic islets.

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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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DNA methylation profiling of male human pancreatic islets identifies loci for type 2 diabetes

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Transcription profiling of human pancreas from patients with type 1 diabetes (clinical onset and longstanding)

Project description:Type 1 diabetes is an autoimmune disease caused by the destruction of the insulin producing beta cells. We characterized the gene expression profile of pancreatic tissue from four type 1 diabetes patients (Cases 1-4), who died at different stages of the disease (onset and longstanding) by microarray analysis. All samples from patients and controls were obtained after death, at the time of organ donation. Pancreatic blocks from the four diabetic patients and three organ donors (Controls 1-3) were obtained and snap frozen. At the same time, islets from Cases 1 and 4 were isolated from a piece of the pancreas tail by enzymatic digestion (using automated method and handpicking) and snap frozen. Islets from three different organ donors (Controls 4-6) were obtained similarly to those of the diabetic patients. Both pancreatic blocks and islets were stored in liquid nitrogen until the mRNA extraction. For pancreas gene expression profiles, we compared data from three blocks of each of the four type 1 diabetic pancreas with pancreases data from the Controls 1-3. For islets expression profile, we compared data from Cases 1 and 4 islets with islets data from the Controls 4-6. <br><br>

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Transcriptional analysis of type 1 diabetes reveals an interferon signature that precedes T cell activation

Project description:Type 1 diabetes (T1D) is an autoimmune disease triggered by T cell reactivity to protein antigens produced by the β-cells. Here we present a chronological compendium of transcriptional profiles from islets of Langerhans isolated from non-obese diabetic (NOD) mice ranging from 2 wks up to diabetes and compared to controls. Parallel analysis was made of cellular components of the islets. Myeloid cells populated the islets early during development in all mouse strains. This was followed by a type I interferon signature detectable at 4-6 wks of age only in diabetes susceptible mice. Concurrently, CD4 T cells were found within islets, many in contact with intra-islet antigen presenting cells. Early cellular signs of islet reactivity were detected by six wks. By 8 wks, NOD islets contained all major leukocytes populations and an inflammatory gene signature. This work establishes the natural transcriptional signature of T1D and provides a resource for future research. 57 RNA samples isolated from the pancreatic islets of langerhans of experimental mice: 2-18 wk old non-obese diabetic (NOD) and newly diabetic NOD were compared to controls: NOD.RAG-/-, B6.g7 and C57BL/6. There were 3 or 6 biological replicates per condition. All mice were female. All data was normalized using RMA in Arraystar. Data table includes normalized probe intensity for every probe.

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