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Embryonic Stem Cells00:58

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Embryonic stem (ES) cells are undifferentiated pluripotent cells, meaning they can produce any cell type in the body. This gives them tremendous potential in science and medicine since they can generate specific cell types for use in research or to replace body cells lost due to damage or disease.
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Embryonic stem (ES) cells were first discovered in mice in 1981 by Martin Evans. In 1998, James Thomson identified a method to isolate embryonic stem cells from humans. Human embryonic stem cells (hESCs) are obtained from 3-5 day old embryos that remain unused after an in vitro fertilization procedure.
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Mnemonic devices are cognitive tools that facilitate memory retention by linking new information to familiar patterns or organizational strategies. These techniques are beneficial for remembering complex or lengthy sets of information by simplifying and structuring them in easily retrievable ways.
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Related Experiment Video

Updated: Jan 25, 2026

Analysis of Embryonic and Larval Zebrafish Skeletal Myofibers from Dissociated Preparations
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Microfluidic devices for embryonic and larval zebrafish studies.

Arezoo Khalili1, Pouya Rezai1

  • 1Department of Mechanical Engineering, York University, Toronto, ON, Canada.

Briefings in Functional Genomics
|April 30, 2019
PubMed
Summary

Microfluidic devices offer high-throughput, accurate methods for studying zebrafish (Danio rerio) neurobiology and behavior. These advanced systems overcome limitations of manual techniques in disease modeling and drug screening.

Keywords:
chemical screeninglab on a chipmicrofluidicsneurobehavioral screeningzebrafish

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Area of Science:

  • * Neuroscience
  • * Biomedical Engineering
  • * Developmental Biology

Background:

  • * Zebrafish (Danio rerio) are valuable model organisms for disease research, toxicology, and drug screening due to genetic homology and transparency.
  • * Traditional manual methods for zebrafish research are labor-intensive, low-throughput, and lack precision in stimulus delivery and response quantification.
  • * Limitations in manual handling hinder comprehensive analysis of zebrafish neurobiology and behavior.

Purpose of the Study:

  • * To review current microfluidic and lab-on-a-chip technologies for investigating zebrafish behavior and neurobiology.
  • * To provide an overview of microfluidic methods for manipulating, immobilizing, and exposing zebrafish embryos and larvae.
  • * To discuss the quantification of zebrafish neuronal activity and movement responses within microfluidic systems.

Main Methods:

  • * Review of microfluidic device designs for zebrafish manipulation (delivery, orientation, immobilization).
  • * Analysis of microfluidic systems for controlled exposure and injection of zebrafish embryos/larvae.
  • * Examination of methods for quantifying neuronal activity and behavioral responses in microfluidic setups.

Main Results:

  • * Microfluidic devices enable precise control over zebrafish manipulation and stimuli delivery.
  • * These systems facilitate high-throughput screening of zebrafish neurobehavioral responses.
  • * Integration of microfluidics allows for accurate quantification of neuronal activity and movement.

Conclusions:

  • * Microfluidic technologies are essential for advancing zebrafish research in neurobiology and behavior.
  • * These platforms overcome the throughput and accuracy limitations of manual experimental methods.
  • * The field is progressing towards integrated microfluidic solutions for comprehensive zebrafish studies in biomedical engineering.