Embryonic Gut Explant Model for Enteric Neural Crest Cells Migration

Area of Science:

• Developmental biology
• Neuroscience
• Genetics

Background:

• Enteric neural crest cells (ENCCs) migrate to form the enteric nervous system (ENS).
• Understanding ENCC migration is crucial for addressing ENS developmental defects like Hirschsprung disease.
• Current study models have limitations for live tracing of migrating ENCCs.

Purpose of the Study:

• To develop and validate a novel mouse embryonic gut explant model.
• To enable live-cell imaging of ENCC migration within the developing intestine.
• To facilitate research into ENS development and pathogenesis of related disorders.

Main Methods:

• Utilized a Sox10-Venus transgenic mouse model.
• Established a mouse embryonic gut explant culture system.
• Employed live-cell imaging techniques to track fluorescently labeled ENCCs.

Main Results:

• Successfully labeled migrating ENCCs using Venus fluorescence.
• Demonstrated the feasibility of live imaging of ENCCs within cultured gut explants.
• Provided a robust model for studying ENCC migration dynamics.

Conclusions:

• The described mouse embryonic gut explant model is effective for studying ENCC migration.
• This model offers a valuable tool for investigating ENS development and diseases.
• It overcomes limitations of previous models for live cell tracing.