Experimental acute pancreatitis in PAP/HIP knock-out mice
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Summary
This summary is machine-generated.Pancreatic And Prostate Protein/Hepatitis Interferon Pathway (PAP/HIP) exhibits anti-apoptotic and anti-inflammatory effects in vivo during pancreatitis. PAP/HIP deficiency in mice led to reduced necrosis but increased inflammation, confirming its protective roles.
Area Of Science
- Biochemistry
- Molecular Biology
- Gastroenterology
Background
- Pancreatic And Prostate Protein/Hepatitis Interferon Pathway (PAP/HIP) is a secretory protein involved in acute phase response.
- In vitro studies suggest PAP/HIP possesses anti-apoptotic and anti-inflammatory properties.
Purpose Of The Study
- To investigate the in vivo role of PAP/HIP in acute pancreatitis.
- To determine if PAP/HIP's known in vitro functions translate to physiological relevance in vivo.
Main Methods
- Utilized a caerulein-induced pancreatitis mouse model.
- Compared pancreatitis outcomes between PAP/HIP knockout (PAP/HIP(-/-)) mice and wild-type littermates.
Main Results
- PAP/HIP(-/-) mice exhibited less severe pancreatic necrosis but increased apoptosis and inflammation compared to wild-type mice.
- Reduced STAT3/SOCS3 pathway activation was observed in PAP/HIP(-/-) mice.
- Administration of recombinant PAP/HIP reversed the observed apoptotic and inflammatory phenotypes in knockout mice.
Conclusions
- The in vitro anti-apoptotic and anti-inflammatory functions of PAP/HIP are confirmed in vivo during acute pancreatitis.
- PAP/HIP plays a significant protective role in mitigating pancreatic injury and inflammation.