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Not all bones are created equal - using zebrafish and other teleost species in osteogenesis research
Alexander Apschner1, Stefan Schulte-Merker, P Eckhard Witten
1Hubrecht Institute-KNAW & UMC Utrecht, Utrecht, The Netherlands.
Abstract:
Developmental osteogenesis and pathologies of mineralized tissues are areas of intense investigations in the mammalian field, but different from other areas of organ formation and developmental biology, zebrafish have been somewhat slow in joining the area of bone research. In recent years, however, genetic screens have provided a number of exciting mutants, and transgenic lines have been developed that permit visualization of osteoblasts and osteoclasts in vivo. We here review some of the recent literature and provide examples where insights from studies in zebrafish have complemented the information available from mammalian models or clinical studies. Furthermore, we provide a comparative overview about different forms of bone within the teleost lineage, and between teleosts and mammals.
Insights
Zebrafish are emerging as a valuable model for studying bone development and diseases. Recent genetic tools allow visualization of bone cells, complementing mammalian research and offering comparative insights into teleost and mammalian bone structures.
Area of Science:
- Developmental biology
- Mineralized tissue research
- Comparative osteology
Background:
- Mammalian models dominate bone development and pathology research.
- Zebrafish have historically lagged in bone research despite their utility in developmental biology.
- Recent advances include genetic screens and transgenic lines for in vivo osteoblast/osteoclast visualization.
Purpose of the Study:
- Review recent zebrafish bone research literature.
- Highlight how zebrafish studies complement mammalian and clinical findings.
- Provide a comparative overview of teleost and mammalian bone structures.
Main Methods:
- Literature review of recent zebrafish bone research.
- Analysis of genetic screens and transgenic zebrafish lines.
- Comparative analysis of bone morphology across species.
Main Results:
- Zebrafish models are increasingly contributing to understanding osteogenesis and mineralized tissue pathologies.
- Insights from zebrafish have provided novel perspectives complementing mammalian studies.
- Significant differences and similarities exist in bone forms between teleosts and mammals.
Conclusions:
- Zebrafish are a powerful emerging model for skeletal research.
- Comparative studies enhance our understanding of bone evolution and disease.
- Further research in zebrafish promises significant advancements in osteology.
