Characterisation of a transgenic mouse expressing R122H human cationic trypsinogen
2006

Transgenic Mouse Model for Pancreatitis

Sample size: 23 publication 10 minutes Evidence: moderate

Author Information

Author(s): Selig Lena, Sack Ulrich, Gaiser Sebastian, Klöppel Günter, Savkovic Vuk, Mössner Joachim, Keim Volker, Bödeker Hans

Primary Institution: Medizinische Klinik und Poliklinik II, Universitätsklinikum Leipzig, Leipzig, Germany

Hypothesis

Can a transgenic mouse expressing the R122H human cationic trypsinogen serve as a model for pancreatitis?

Conclusion

The R122H transgenic mouse did not develop spontaneous pancreatitis, but showed slightly more severe pancreatitis when induced repeatedly.

Supporting Evidence

  • The transgene was detected at the genomic level and in pancreatic mRNA.
  • R122H mice showed elevated pancreatic lipase levels.
  • There was no spontaneous development of pancreatitis within 18 months.
  • After induction of pancreatitis, lipase and amylase levels were higher in R122H mice compared to controls.
  • Repeated treatment with cerulein resulted in slightly more severe pancreatitis in R122H animals.

Takeaway

Scientists created a special mouse that has a gene linked to pancreatitis, but it didn't get sick on its own; when they made it sick on purpose, it was a little worse than normal mice.

Methodology

Transgenic mice were created and tested for pancreatitis by inducing it with cerulein injections and measuring enzyme levels.

Limitations

The transgenic mice did not develop spontaneous pancreatitis, limiting their use as a model for the disease.

Participant Demographics

Transgenic mice and control BalbC mice were used in the study.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-230X-6-30

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication