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Genetically engineered mice: tools to understand craniofacial development

M A Ignelzi1, Y H Liu, R E Maxson

  • 1Center for Craniofacial Molecular Biology, University of Southern California, School of Dentistry, Los Angeles, USA.

Critical Reviews in Oral Biology and Medicine : an Official Publication of the American Association of Oral Biologists
|January 1, 1995
PubMed
Summary

Genetically engineered mice offer powerful tools for studying craniofacial development and diseases. This review surveys methods for creating these models, highlighting their use in understanding gene regulation and congenital conditions.

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Area of Science:

  • Developmental Biology
  • Genetics
  • Molecular Biology

Background:

  • Genetically engineered mice (GEMs) are crucial models for biological research.
  • Craniofacial development involves complex genetic and molecular interactions.
  • Understanding these processes is vital for addressing congenital defects.

Purpose of the Study:

  • To review experimental approaches for generating GEMs.
  • To demonstrate GEM applicability in craniofacial development research.
  • To provide insights into gene regulation and disease modeling.

Main Methods:

  • Survey of established techniques for genetic engineering in mice.
  • Case study 1: Promoter analysis of the Msx2 gene.
  • Case study 2: Creation of a mouse model for Boston-type craniosynostosis.

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Main Results:

  • Msx2 promoter analysis elucidated cis-regulatory interactions controlling cell-specific gene expression.
  • A novel mouse model for Boston-type craniosynostosis was successfully generated.
  • A formulary of GEMs with craniofacial defects was compiled.

Conclusions:

  • Genetically engineered mice are versatile tools for investigating craniofacial development.
  • These models facilitate the study of gene regulation, developmental processes, and disease mechanisms.
  • GEMs are instrumental in advancing fundamental knowledge of tissue and organ development, maintenance, and regeneration.