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Single-cell analysis reveals fibroblast heterogeneity in chronic pancreatitis

ABSTRACT: We used 10x Genomics Single Cell 3’v3.1 scRNA sequencing to investigate the cellular heterogeneity in chronic pancreatitis using pancreases of three CP mice. Mice were induced by daily subcutaneous re-injections of caerulein for 28 days

ORGANISM(S): Mus musculus

PROVIDER: GSE182971 | GEO | 2022/06/22

REPOSITORIES: GEO

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mRNA expression pattern of KrasG12D mice with acute pancreatitis compared with wild-type mice without acute pancreatitis

Project description:Transgenic KrasG12D mice can recapitulate pancreas intra-epithelial neoplasia (PanIN). Caerulein is a cholecystokinin analogue and induces acute pancreatitis when injected intra-abdominally. Caerulein-induced acute pancreatitis will accelerate PanIN progression in KrasG12D mice. We compared mRNA profile changes between KrasG12D mice with acute caerulein-induced pancreatitis and wild-type mice without acute pancreatitis. The experiment had two groups. Experiment group: KrasG12D mice with acute caerulein-induced pancreatitis (N=6). Three mice in experiment group received 1-week caerulein injection, and the other three mice received 2-week caerulein injection. All experiment group mice started to receive caerulein injection at 1-month of age, and were sacrificed at the last day of caerulein injection. Control group: wild-type mice without acute pancreatitis (N=6). The mice were sacrificed at 1.5-month of age. Whole pancreas tissue lysate samples were subjected to mRNA array assay.

2016-05-14 | E-GEOD-77983 | biostudies-arrayexpress

mRNA expression pattern of KrasG12D mice with acute pancreatitis compared with wild-type mice without acute pancreatitis

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Potential regulatory proteins in pancreatitis were screened by proteomics using pancreatic tissues of PRSS1 AP mice

Project description:Humanized PRSS1 transgenic mice were constructed and treated with caerulein to mimic the development of human AP and CP. Potential regulatory proteins in pancreatitis were screened by proteomics using pancreatic tissues of PRSS1 AP mice.

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Single-cell transcriptomic analysis of mouse pancreas: characteristic features of pancreatic ductal cells in chronic pancreatitis

Project description:Chronic pancreatitis (CP) is a pathogenically complex fibro-inflammatory disorder of the pancreas. Our understanding of CP pathogenesis is partly limited by the incomplete characterization of pancreatic cell types. Here, we performed single-cell RNA sequencing on 3,386 cells from the pancreas of one control mouse and mice with caerulein-induced CP. These data provides a preliminary description of the single-cell transcriptome profiles of mouse pancreata and accurately demonstrates the characteristics of pancreatic ductal cells in CP.

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Project description:We performed RNA-seq on pancreatic tuft cells and non-tuft epithelial cells in caerulein-induced pancreatitis

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Expression data of caerulein-treated wild-type mice and KrasG12D-mutated mice at different stages of pancreatic regeneration after inflammatory injury

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Expression data of caerulein-treated wild-type mice and KrasG12D-mutated mice at different stages of pancreatic regeneration after inflammatory injury

Project description:Consecutive caerulein injections induce an acute pancreatitis in mice. Here, we recorded gene expression levels at different stages of pancreatic regeneration in wild-type mice as well as KrasG12D-mutated mice. Tissue was collected from mice pancreata, cell sorting was not performed. t=0h refers to the time where caerulein was injected. control referes to NaCl-treated samples (no caerulein). 13 time points were used for wild-type mice, 9 time points were used for KrasG12D-mutated mice. Multiple replicates were generated for each time point. We used Affymetrix GeneChip Mouse Gene 1.0 ST arrays.

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Potential ATF6 regulatory proteins were screened by proteomics using pancreatic tissues of PRSS1 transgenic mice treated with caerulein

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Project description:Gene expression was evaluated by RNA-seq of mouse pancreas 5 days following chronic caerulein-induced pancreatitis. Four different genotypes were evluated: i) wild-type, ii) Men1fl/flPdx1-CreTg, iii) Daxxfl/flPdx1-CreTg iv) Daxxfl/flMen1fl/flPdx1-CreTg.

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