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Expression data from NOD-scid vs B6-scid pancreas, submandibular glands, & lacrimal glands

ABSTRACT: Prior to the onset of autoimmune destruction, type 1 diabetic patients and an animal model thereof, the nonobese diabetic (NOD) mouse, show morphological and functional abnormalities in target organs, which may act as inciting events for leukocyte infiltration. To better understand these abnormalities, but without the complications associated with inflammatory infiltrates, we examined genes expressed in autoimmune target tissues (pancreas, submandibular glands, and lacrimal glands) of NOD/scid mice and of autoimmune-resistant C57BL6/scid mice. Keywords: tissue expression, disease prone versus resistant strain comparison

ORGANISM(S): Mus musculus

PROVIDER: GSE4953 | GEO | 2006/07/07

SECONDARY ACCESSION(S): PRJNA95501

REPOSITORIES: GEO

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Transcription profiling of pancreata, submandibular, and lacrimal glands from NOD-scid and C57Bl/6-scid mice to study the gene expression patterns of nonobese diabetic mice.

Project description:Prior to the onset of autoimmune destruction, type 1 diabetic patients and an animal model thereof, the nonobese diabetic (NOD) mouse, show morphological and functional abnormalities in target organs, which may act as inciting events for leukocyte infiltration. To better understand these abnormalities, but without the complications associated with inflammatory infiltrates, we examined genes expressed in autoimmune target tissues (pancreas, submandibular glands, and lacrimal glands) of NOD/scid mice and of autoimmune-resistant C57BL6/scid mice. Experiment Overall Design: Pancreata (6 weeks old mice), submandibular (9 and 15 weeks), and lacrimal glands (15 weeks) from individual NOD-scid and B6-scid mice were isolated for RNA extraction and hybridization on Affymetrix microarrays.

2007-11-29 | E-GEOD-4953 | biostudies-arrayexpress

Role of TLR7 and IFNAR1 in lacrimal gland autoimmunity in NOD mice

Project description:NOD mice spontaneously develop lacrimal gland inflammation. NOD mice that lack TLR7 or that lack IFNAR1 are protected from developing lacrimal gland inflammation. RNA sequencing studies were performed to compare gene expression profiles in lacrimal glands from wild-type (WT) vs Tlr7 knockout or Ifnar1 knockout nonobese diabetic (NOD) mice to determine disease-relevant gene and pathway profiles upregulated in WT lacrimal glands in either a TLR7- or IFNAR1-dependent manner.

2021-01-04 | GSE161184 | GEO

microRNAs of thymocytes and of peripheral and pancreas-infiltrating T lymphocytes

Project description:As early as one month of age, nonobese diabetic (NOD) mice feature pancreatic infiltration of autoreactive T lymphocytes, which destruct insulin-producing beta cells, producing autoimmune diabetes mellitus (T1D) within eightmonths. Thus, we hypothesized that during the development of T1D, the transcriptional modulation of immune reactivity genes may occur as thymocytes mature into peripheral T lymphocytes. The transcriptome of thymocytes and peripheral CD3+ T lymphocytes from prediabetic or diabetic mice analyzed through microarray hybridizations identified the differentially expressed genes.

2012-07-31 | E-MEXP-3572 | biostudies-arrayexpress

mRNAs of thymocytes and of peripheral and pancreas-infiltrating T lymphocytes

Project description:As early as one month of age, nonobese diabetic (NOD) mice feature pancreatic infiltration of autoreactive T lymphocytes, which destruct insulin-producing beta cells, producing autoimmune diabetesmellitus (T1D) within eight months. Thus, we hypothesized that during the development of T1D, the transcriptional modulation of immune reactivity genes may occur as thymocytes mature into peripheral T lymphocytes. The transcriptome of thymocytes and peripheral CD3+ T lymphocytes from prediabetic or diabetic mice analyzed through microarray hybridizations identified the differentially expressed genes.

2012-07-31 | E-MEXP-3573 | biostudies-arrayexpress

Gene expression profiles of CD4+CD25+ Tregs from NOD and B6.H2g7 mice

2008-12-19 | GSE6813 | GEO

A discovery-based proteomics approach identifies protein disulfide isomerase (PDIA1) as a biomarker of β cell stress in type 1 diabetes

Project description:Background: Activation of stress pathways intrinsic to the β cell are thought to both accelerate β cell death and increase β cell immunogenicity in type 1 diabetes (T1D). However, information on the timing and scope of these responses is lacking. Methods: To identify temporal and disease-related changes in islet β cell protein expression, SWATH-MS/MS proteomics analysis was performed on islets collected longitudinally from NOD mice and NOD-SCID mice rendered diabetic through T cell adoptive transfer. Findings: In islets collected from female NOD mice at 10, 12, and 14 weeks of age, we found a time-restricted upregulation of proteins involved in the maintenance of β cell function and stress mitigation, followed by loss of expression of protective proteins that heralded diabetes onset. Pathway analysis identified EIF2 signaling and the unfolded protein response, mTOR signaling, mitochondrial function, and oxidative phosphorylation as commonly modulated pathways in both diabetic NOD mice and NOD-SCID mice rendered acutely diabetic by adoptive transfer, highlighting this core set of pathways in T1D pathogenesis. In immunofluorescence validation studies, β cell expression of protein disulfide isomerase A1 (PDIA1) and 14-3-3b were found to be increased during disease progression in NOD islets, while PDIA1 plasma levels were increased in pre-diabetic NOD mice and in the serum of children with recent-onset T1D compared to age and sex-matched non-diabetic controls. Interpretation: We identified a common and core set of modulated pathways across distinct mouse models of T1D and identified PDIA1 as a potential human biomarker of β cell stress in T1D.

2023-03-11 | PXD035504 | Pride

Mus musculus

Project description:Expression data from NOD-scid vs B6-scid pancreas, submandibular glands, & lacrimal glands

| PRJNA95501 | ENA

Single-cell RNA sequencing of BCSCs from solid tumors taken from NOD/SCID mice

Project description:We report the single-cell transcriptome of breast cancer stem cells (BCSCs) from solid tumors taken from NOD/SCID mice.

2019-10-25 | GSE124888 | GEO

Exon level expression profile of submandibular glands in female MyD88+/+ and MyD88−/− NOD mice.

Project description:Transcriptome analysis of submandibular glands in female MyD88+/+ and MyD88−/− NOD mice. Sjögren's syndrome (SS) is an autoimmune disease characterized by dysfunction of salivary glands (SGs) and lacrimal glands, which is caused by chronic inflammation associated with autoantibody and autoreactive lymphocyte infiltration. The pathogenic mechanism of SS has not been fully elucidated. Infiltrated lymphocytes form regularized structures similar to lymphoid follicles of secondary lymphoid organs, such as T/B cell compartments, high endothelial venules (HEVs), lymphatic vessels, and germinal centers, therefore being believed as an ectopic lymphoid tissue called tertiary lymphoid organs (TLO). We previously found that deletion of the Toll-like receptor/IL-1 receptor (TLR/IL-1R) adaptor molecule gene Myd88 in SS model mice NOD reduced the frequency of lymphocyte infiltration and HEV formation in SGs. In this study, we analyzed the effect of MyD88 deficiency on lymphoid follicle formation in SGs of NOD mice. Microarray analysis showed decreased expression of genes related to TLO, such as Cxcl13 and Cxcr5, in Myd88-deficient SGs. These results indicate that deficiency of TLR/IL-1R signaling decrease gene expression ot chemokines in SGs, suggesting MyD88-dependent signaling is directly involved in formation of lymphoid follicles in SS.

2021-09-01 | GSE157669 | GEO

Gene expression profiles of CD4+CD25+ Tregs from NOD and B6.H2g7 mice

Project description:The NOD (nonobese diabetic) mouse strain develops a characteristic autoimmune syndrome that closely resembles human type I diabetes. It has been suggested that NOD mice exhibit both numerical deficiency in CD4+CD25+ regulatory T cells (Treg) and reduced suppressive activity. We compared sorted CD4+CD25+ Tregs from the spleens of 6-7 week-old female NOD and nondiabetic B6.H2g7 mice. Tregs were 93±2% and 95±1% Foxp3+ in NOD and B6.H2g7 cells, respectively, on post-sort reanalysis. "Conventional" CD4+CD25- T cells (Tconv) are included as reference populations. Surprisingly, Treg "signature" is similar between the two strains, with only a few probesets that subtly deviate. Keywords: Cell population comparison from two mouse strains. For each strain (NOD and B6.g7), we analyzed two populations: CD4+CD25+ Treg and CD4+CD25- Tconv cells, for a total of four distinct populations. RNA from three mice were pooled for each replicate; there are three independent replicates for each population. After RMA normalization, intensity values were averaged across the three replicates and analyzed. We calculated the ratio of Treg/Tconv intensity values for each strain and compared the results.

2008-12-19 | E-GEOD-6813 | biostudies-arrayexpress

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