Bone Marrow Mesenchymal Stem Cells Can Prevent Pancreatic Fibrosis in Mice with Chronic Pancreatitis by Inhibiting the Activation of Pancreatic Stellate Cells
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View abstract on PubMed
Summary
This summary is machine-generated.Bone marrow mesenchymal stem cells (BMSCs) reduce pancreatic fibrosis by inhibiting activated pancreatic stellate cells (PSCs). This therapeutic effect in chronic pancreatitis may involve aryl hydrocarbon receptor (AhR) and peroxisome proliferator-activated receptor gamma (PPARγ) signaling.
Area Of Science
- Gastroenterology
- Stem Cell Biology
- Fibrosis Research
Background
- Chronic pancreatitis (CP) is a progressive fibroinflammatory disease influenced by genetic and environmental factors.
- Pancreatic stellate cell (PSC) activation drives fibrosis, a key pathological feature of CP.
- Bone marrow mesenchymal stem cells (BMSCs) possess anti-fibrotic and anti-inflammatory properties, but their role in pancreatic fibrosis is unclear.
Purpose Of The Study
- To investigate the therapeutic effects of BMSCs on chronic pancreatitis.
- To elucidate the underlying mechanisms by which BMSCs modulate pancreatic stellate cell activation and function.
Main Methods
- A mouse model of CP was induced using Ceruletide, followed by BMSC transplantation.
- Histological analysis (H&E, Masson's trichrome) assessed pancreatic injury and fibrosis.
- In vitro co-culture experiments and transcriptomic analysis identified key molecular mediators.
Main Results
- BMSCs significantly reduced pancreatic pathological changes and collagen deposition in vivo.
- BMSCs inhibited PSC activation, proliferation, and collagen secretion, while promoting apoptosis in vitro.
- RNA sequencing identified aryl hydrocarbon receptor (AhR) and peroxisome proliferator-activated receptor gamma (PPARγ) as potential mediators.
Conclusions
- BMSC transplantation effectively suppresses PSC activation and attenuates pancreatic fibrosis in CP.
- The anti-fibrotic effects of BMSCs in CP are potentially mediated by AhR and PPARγ activation in PSCs.
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