Pancreatic Mesenchyme Regulates Epithelial Organogenesis throughout Development
2011

Pancreatic Mesenchyme Regulates Epithelial Organogenesis

publication 10 minutes Evidence: high

Author Information

Author(s): Landsman Limor, Nijagal Amar, Whitchurch Theresa J., VanderLaan Renee L., Zimmer Warren E., MacKenzie Tippi C., Hebrok Matthias

Primary Institution: University of California, San Francisco

Hypothesis

The pancreatic mesenchyme is essential for the expansion of epithelial progenitors and the proliferation of insulin-producing beta cells.

Conclusion

The study demonstrates that mesenchymal cells are critical for pancreatic growth and branching throughout development.

Supporting Evidence

  • Genetic disruption of the pancreatic mesenchyme reveals its critical role in pancreas formation.
  • Mesenchymal cells regulate pancreatic growth and branching at both early and late developmental stages.
  • Elimination of β-catenin signaling in mesenchyme impairs its survival and growth.

Takeaway

The mesenchyme, a type of tissue, helps the pancreas grow and develop properly, especially in making insulin-producing cells.

Methodology

Transgenic tools and fetal surgical techniques were used to ablate mesenchyme and analyze its role in pancreas development.

Limitations

The study primarily focuses on the role of mesenchyme without exploring other potential influences from surrounding tissues.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pbio.1001143

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication