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A Comprehensive Study of Palate Development in Miniature Pig
Lindong Sun1, Jiangyi Wang1, Huina Liu1
1Laboratory of Molecular Signaling and Stem Cells Therapy, Molecular Laboratory for Gene Therapy and Tooth Regeneration Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction, Capital Medical University School of Stomatology, Beijing, 100050, China.
Anatomical Record (Hoboken, N.J. : 2007)
|March 16, 2017
Summary
This study details the four key developmental stages of the miniature pig palate, from shelf growth to fusion. Findings provide foundational data for cleft palate research using this animal model.
Area of Science:
- Developmental Biology
- Craniofacial Development
- Comparative Anatomy
Background:
- Palate development is crucial for facial formation and preventing cleft palate, a common congenital abnormality.
- Miniature pigs are increasingly used as orofacial research models due to anatomical similarities with humans.
- Detailed information on miniature pig palate development is limited.
Purpose of the Study:
- To describe the developmental stages of the palate in miniature pigs.
- To provide histological and ultrastructural data on palate organogenesis in this model.
- To establish a foundation for future cleft palate research in miniature pigs.
Main Methods:
- Histological analysis using hematoxylin-eosin staining on embryonic sections (E26-E50).
- Ultrastructural analysis using electron microscopy on selected specimens.
- Observation and documentation of four distinct developmental stages.
Main Results:
- Identified four developmental stages: palatal shelf growth (E30), elevation (E35), midline contact (E35-50), and fusion (E50).
- Histological findings were corroborated by ultrastructural data.
- Developmental timeline is comparable to mouse and human palate formation.
Conclusions:
- The study provides the first detailed description of miniature pig palate development stages.
- This research establishes the miniature pig as a valuable model for studying palate organogenesis and cleft palate.
- Further research can leverage this data to investigate cleft palate mechanisms.

