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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

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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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