Effect of SJQYD alleviate Sjögren’s Syndrome on protein expression of NOD/LTJ mice
Ontology highlight
ABSTRACT:
ORGANISM(S): Mus Musculus
SUBMITTER: 
Luping Qin
PROVIDER: PXD051120 | iProX | Wed Mar 27 00:00:00 GMT 2024
REPOSITORIES: iProX
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Project description:We conducted experiments on SJQYD against Sjögren's Syndrome in NOD/LTJ mice. We used RNA sequencing to analyze the potential pathways of SJQYD.
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Project description:Effect of SJQYD alleviate Sjögren’s Syndrome on gene expression of NOD/LTJ mice
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Project description:Differential gene expression in the salivary gland during development and onset of xerostomia in Sjögren’s syndrome-like disease of the C57BL/6.NOD-Aec1Aec2 mouse. Recently, we reported the development of the C57BL/6.NOD-Aec1Aec2 mouse that carries two genetic intervals derived from the NOD mouse capable of conferring Sjögren’s syndrome (SjS)-like disease in SjS-non-susceptible C57BL/6 mice. In an attempt to define the molecular bases underlying onset of stomatitis sicca (xerostomia) in this C57BL/6.NOD-Aec1Aec2 mouse model, we have carried out a study utilizing microarray technology.
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Project description:Decreased salivary flow is one of the most common symptoms in primary Sjögren syndrome (pSS). The present study was designed to identify a salivary protein biomarker related to saliva secretion disorder in NOD/ShiLtJ mice, a pSS primary murine model. The stimulated saliva was collected from NOD/ShiLtJ and BALB/c mice as controls for differential proteomic analysis.
2018-03-21 | PXD008199 | Pride
Project description:Post-translational modifications can lead to a break in immune tolerance in autoimmune diseases such as type 1 diabetes (T1D). Deamidation, the conversion of glutamine to glutamic acid by transglutaminase (TGM) enzymes, is a post-translational modification of interest, with deamidated peptides being reported as autoantigens in T1D. However, little is known about how Tgm2, the most ubiquitously expressed Tgm isoform, is regulated and how tolerance against deamidated peptides is lost. Here, we report on the aberrant expression and regulation of Tgm2, in the pancreas and thymus of NOD mice. We demonstrate that Tgm2 expression is induced by the inflammatory cytokines IL1β and IFNγ in a synergistic manner and that murine pancreatic islets of NOD mice have higher Tgm2 levels, while Tgm2 levels in thymic mTECs are reduced. We thus provide the first direct evidence to our knowledge that central tolerance establishment against deamidated peptides might be impaired due to lower Tgm2 expression in NOD mice, which together with the aberrantly high levels of deamidated peptides in NOD β-cells underscores the role of deamidation in amplifying T-cell reactivity.
2022-07-21 | PXD034102 | Pride
Project description:Recently, we reported the development of the C57BL/6.NOD-Aec1Aec2 mouse that carries two genetic intervals derived from the NOD mouse capable of conferring Sjögren’s syndrome (SjS)-like disease in SjS-non-susceptible C57BL/6 mice. In an attempt to define the molecular bases underlying onset of stomatitis sicca (xerostomia) in this C57BL/6.NOD-Aec1Aec2 mouse model, we have carried out a study utilizing genomic microarray technology.
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Project description:The precise physiological mechanisms of cardio-renal syndrome are yet to be elucidated. In order to investigate the molecular basis of cardio-renal syndrome, we established a mouse model for cardio-renal syndrome by the combination of abdominal aortic banding and uninephrectomy. Renal function of the cardio-renal syndrome mice was synergistically decreased compared with that of mice that underwent uninephrectomy alone. To investigate the molecules involved in the deterioration renal function in the AbNx mice, we conducted comprehensive gene expression analysis using DNA array by comparing the molecules expressed in the remained kidney of AbNx mice with those of Nx mice. We conducted abdominal aorta banding or sham operation at 0 week, then We conducted uninephrectomy or sham operation at 2 week. We removed these kidney 6week after the uninephrectomy. These RNA samples were purified from the homogenized kidneys.
2012-03-19 | E-GEOD-36591 | biostudies-arrayexpress
Project description:Differential gene expression in the salivary gland during development and onset of xerostomia in SjM-CM-6grenM-bM-^@M-^Ys syndrome-like disease of the C57BL/6.NOD-Aec1Aec2 mouse. Recently, we reported the development of the C57BL/6.NOD-Aec1Aec2 mouse that carries two genetic intervals derived from the NOD mouse capable of conferring SjM-CM-6grenM-bM-^@M-^Ys syndrome (SjS)-like disease in SjS-non-susceptible C57BL/6 mice. In an attempt to define the molecular bases underlying onset of stomatitis sicca (xerostomia) in this C57BL/6.NOD-Aec1Aec2 mouse model, we have carried out a study utilizing microarray technology. The present study was designed to define the changing gene expression profiles within the salivary glands of C57BL/6.NOD-Aec1Aec2 mice at five time points representing a pre-disease stage (4 weeks), the early pre-clinical stage (8 weeks), the initial influx of leukocytes into the salivary glands (12 weeks), the early clinical phase of autoimmunity (16 weeks), and the early onset of clinical SjSlike disease characterized by secretory dysfunction (20 weeks). The C57BL/6.NOD-Aec1Aec2 mouse is a model of primary SjS in which the Idd3 region of chromosome 3 and the Idd5 region of chromosome 1 derived from the NOD mouse were bred into the non-autoimmune C57BL/6 mouse, resulting in a SjS-like disease susceptibility that mimics both the pathophysiological characteristics and reduced secretory responses observed with NOD mice during development and onset of disease. This SjS-susceptible strain was designated C57BL/6.NOD-Aec1Aec2, where Aec1 corresponds to Idd3 (of chromosome 3) and Aec2 corresponds to Idd5 (of chromosome 1).
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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.
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