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Related Experiment Videos

Apoptosis in zebrafish development.

Michiaki Yamashita1

  • 1National Research Institute of Fisheries Science, 2-12-4 Fukuura, Yokohama 236-8648, Japan. mic@affrc.go.jp

Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
|December 10, 2003
PubMed
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Apoptosis, or programmed cell death, plays a key role in fish development and disease. Zebrafish serve as a valuable model for studying apoptosis in vivo, aiding research into its functions and regulation.

Area of Science:

  • Developmental Biology
  • Molecular Biology
  • Cell Biology

Background:

  • Apoptosis (programmed cell death) is crucial for vertebrate development and pathogenesis.
  • Understanding apoptosis in fish development is essential for biological and medical research.
  • Key genes regulating apoptosis, such as caspases, have been identified in various fish species.

Purpose of the Study:

  • To review the prominent features of apoptosis during fish development.
  • To investigate the in vivo functions of apoptosis in development, morphogenesis, and sex differentiation.
  • To explore the relationship between caspase activity and developmental processes.

Main Methods:

  • Cloning of caspases and apoptosis-regulating genes from zebrafish (Danio rerio) and other fish.

Related Experiment Videos

  • Generation of transgenic zebrafish overexpressing procaspase-3 to study caspase-development links.
  • Monitoring stress-induced apoptosis in zebrafish embryos using whole mount TUNEL staining and caspase assays.
  • Main Results:

    • Zebrafish (Danio rerio) possess conserved apoptosis-regulating genes, including caspases.
    • Transgenic zebrafish models allow for the in vivo investigation of procaspase-3 function during development.
    • Established methods enable the detection and analysis of apoptosis in zebrafish embryos.

    Conclusions:

    • Zebrafish are a powerful experimental model for studying the in vivo mechanisms of apoptosis.
    • Apoptosis plays significant roles in fish development, morphogenesis, and sex differentiation.
    • Further research in zebrafish can elucidate the cause-and-effect relationships between caspases and developmental processes.