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Updated: May 15, 2025

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Culture and Transfection of Zebrafish Primary Cells
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Improve your success with fish cell lines-small things that matter
Anita Solhaug1, Georgina C Dowd2, Vivian R Dayeh3
1Norwegian Veterinary Institute, 1433, Ås, Norway. anita.solhaug@vetinst.no.
In Vitro Cellular & Developmental Biology. Animal
|April 9, 2025
Summary
This study addresses the need for better fish cell line protocols in toxicology. It shares practical insights on isolating, culturing, and applying these cell lines to reduce animal testing.
Area of Science:
- Aquatic toxicology
- In vitro models
- Cell biology
Background:
- Growing demand for reducing animal testing drives development of in vitro models.
- Over 900 fish cell lines are available, but technical information is scarce.
- Researchers often face similar challenges in fish cell line isolation and culture.
Purpose of the Study:
- To provide essential technical information for fish cell line isolation, culture, and application.
- To address the lack of accessible knowledge in fish cell biology.
- To aid researchers in toxicology by sharing practical experience.
Main Methods:
- Compiling decades of collective experience in fish cell line handling.
- Focusing on key considerations for isolation and culture.
- Detailing maintenance and application strategies in toxicology.
Main Results:
- Identified critical technical challenges in fish cell line research.
- Consolidated practical knowledge for overcoming common issues.
- Provided a foundation for standardized fish cell line utilization.
Conclusions:
- Sharing practical expertise is crucial for advancing fish cell line applications in toxicology.
- Improved accessibility to technical information can accelerate research and reduce redundancy.
- This work supports the development of reliable in vitro alternatives to animal testing.
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