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Related Experiment Video

Updated: Jan 8, 2026

Microstructured Devices for Optimized Microinjection and Imaging of Zebrafish Larvae
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Microstructured Devices for Optimized Microinjection and Imaging of Zebrafish Larvae.

Felix Ellett1, Daniel Irimia2

  • 1BioMEMS Resource Center, Department of Surgery, Massachusetts General Hospital-Harvard Medical School-Shriners Burns Hospital; fellett@mgh.harvard.edu.

Journal of Visualized Experiments : Jove
|December 30, 2017
PubMed
Summary

Researchers developed microstructured devices to precisely orient zebrafish embryos for improved microinjection and imaging. These tools enhance experimental throughput and reproducibility in zebrafish research.

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Area of Science:

  • * Developmental Biology and Disease Modeling
  • * Zebrafish as a Model Organism

Background:

  • * Zebrafish embryos and larvae are crucial models for human disease research, developmental biology, and large-scale genetic/chemical screens.
  • * Current microinjection and imaging techniques for zebrafish are laborious, requiring significant expertise and limiting experimental throughput.
  • * Infection and xenograft models, in particular, necessitate precise embryo manipulation.

Purpose of the Study:

  • * To develop novel microstructured devices for precise orientation and stabilization of zebrafish embryos.
  • * To improve the precision and throughput of microinjection procedures in zebrafish.
  • * To facilitate enhanced imaging of zebrafish embryos and larvae.

Main Methods:

  • * Photolithography was employed to fabricate microstructured devices for zebrafish embryo manipulation.
  • * Devices were designed to orient 2-day post-fertilization (dpf) zebrafish embryos in ventral, dorsal, or lateral positions.
  • * A separate device was created to align four zebrafish larvae laterally for imaging.

Main Results:

  • * The developed microstructured devices effectively orient and stabilize zebrafish embryos for microinjection.
  • * A novel device facilitates parallel lateral orientation of multiple zebrafish larvae for imaging.
  • * Photolithographic approaches proved effective in creating functional tools for zebrafish experimental optimization.

Conclusions:

  • * The presented microstructured devices significantly improve the precision and efficiency of zebrafish embryo microinjection and imaging.
  • * These tools offer a scalable solution to overcome limitations in current zebrafish experimental techniques.
  • * The study highlights the utility of microfabrication for advancing zebrafish-based research in various biological fields.