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Analysis of enamel development using murine model systems: approaches and limitations
Megan K Pugach1, Carolyn W Gibson2
1Department of Mineralized Tissue Biology, The Forsyth Institute, Harvard School of Dental Medicine, Harvard University Cambridge, MA, USA.
Frontiers in Physiology
|October 4, 2014
Summary
Understanding rodent enamel development is key to treating amelogenesis imperfecta (AI). This study reviews methods for genetically modifying rodent models and analyzing enamel, highlighting the need for standardized analysis workflows for AI research.
Area of Science:
- Dental Research
- Developmental Biology
- Genetics
Background:
- Amelogenesis imperfecta (AI) is a group of genetic disorders affecting tooth enamel formation.
- Rodent models are valuable for studying enamel development due to genetic manipulability and continuously erupting incisors.
- Understanding limitations in current rodent enamel research methods is crucial for translational applications in AI patient care.
Purpose of the Study:
- To review methods for generating and analyzing genetically modified rodent enamel.
- To identify challenges and propose approaches to overcome limitations in current methodologies.
- To emphasize the need for standardized analysis workflows in rodent enamel research.
Main Methods:
- Generation of transgenic, knockout, and knockin mouse models.
- Analysis of enamel mineral density, structure, and mechanical properties.
- Evaluation of gene and protein expression, histology, pigment, and degree of mineralization.
Main Results:
- Rodent models offer a comprehensive view of enamel development stages.
- Various techniques exist for analyzing enamel phenotypes, including structural and mechanical assessments.
- Standardization of methods across studies is essential for data comparison.
Conclusions:
- Standardized workflows for analyzing enamel phenotypes in rodent models are needed for reliable AI research.
- Correlative and complementary techniques should be employed, acknowledging the dynamic nature of developing enamel.
- Improved methodologies will facilitate translational research for AI treatment and prevention.
