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Published on: November 13, 2013
Dynamic Lunatic fringe expression is correlated with boundaries formation in developing mouse teeth
1IMEB EA 2198, Faculté d'Odontologie, Université de la Méditerranée, 27, Boulevard Jean Moulin, 13385 Marseille, Cedex, France.
Mechanisms of Development
|March 8, 2000
Summary
Lunatic fringe is crucial for tooth development, regulating boundary formation in mouse incisors and molars. Its expression pattern helps define epithelial compartments, working alongside Notch receptors to restrict cell lineages during odontogenesis.
Area of Science:
- Developmental Biology
- Cell Signaling
- Molecular Genetics
Background:
- Boundary formation is vital for embryonic development.
- The Notch signaling pathway is a key regulator of developmental patterning.
- Notch receptors are implicated in tooth boundary determination, but other pathway components' roles are unclear.
Purpose of the Study:
- To investigate the role of Lunatic fringe in tooth development.
- To determine if Lunatic fringe is involved in compartmental lineage restrictions in teeth.
Main Methods:
- Analysis of Lunatic fringe gene expression during mouse tooth development.
- Examination of expression patterns in both epithelial and mesenchymal tissues of developing molars and incisors.
Main Results:
- Lunatic fringe is expressed in both epithelial and mesenchymal components of developing mouse molars.
- Its expression in the dental epithelium is complementary to Notch receptors.
- Asymmetrical Lunatic fringe expression in the incisor epithelium correlates with antero-posterior rotation, defining lingual compartments.
Conclusions:
- Lunatic fringe plays a significant role in regulating boundary formation during odontogenesis.
- Its expression pattern, complementary to Notch receptors, contributes to compartmental lineage restrictions in developing teeth.
