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Updated: Apr 10, 2026

Analysis of Zebrafish Larvae Skeletal Muscle Integrity with Evans Blue Dye
Published on: November 30, 2015
Myofiber Damage Evaluation by Evans Blue Dye Injection
Christine I Wooddell1, Hannah G Radley-Crabb2, Jacob B Griffin1
1Roche Madison Inc., Madison, Wisconsin.
Abstract:
Evans blue dye (EBD) can be used in live mice to study muscle pathology or injury, including exercise-induced muscle damage. EBD is excluded from intact cell membranes but leaks into cells, including muscle fibers, when the cell membrane is ruptured. EBD can be visualized by its autofluorescence under a fluorescence microscope. EBD-stained myofibers can be quantified from microscope images of muscle cross-sections. These myofibers are often in clusters that lend themselves to morphometric analysis. When the damaged myofibers are interspersed among intact myofibers, however, a more suitable approach is to count individual myofibers in the field of view. A much faster approach to measure EBD in muscles from different strains of mice or between treatment groups is to extract the EBD from muscle samples and quantitate it using a spectrophotometric microplate reader. The advantages and disadvantages of using each of these approaches are discussed here. Curr. Protoc. Mouse Biol. 1:463-488 © 2011 by John Wiley & Sons, Inc.
Insights
Evans blue dye (EBD) is a valuable tool for studying muscle damage in mice. Different quantification methods, including microscopy and spectrophotometry, offer distinct advantages for analyzing muscle pathology.
Area of Science:
- Muscle physiology and pathology research
- Biomedical imaging and quantification techniques
- Animal models for studying tissue injury
Background:
- Evans blue dye (EBD) is commonly used to assess muscle membrane integrity in live mice.
- EBD extravasation into myofibers indicates cell membrane rupture, a hallmark of muscle injury.
- Visualizing and quantifying EBD-stained myofibers aids in understanding muscle damage.
Purpose of the Study:
- To review and compare methods for quantifying Evans blue dye in mouse muscle.
- To discuss the advantages and disadvantages of different EBD quantification approaches.
- To provide guidance for researchers studying muscle pathology and exercise-induced muscle damage.
Main Methods:
- Microscopic visualization and quantification of EBD-stained myofibers in muscle cross-sections.
- Morphometric analysis of clustered damaged myofibers.
- Direct counting of individual damaged myofibers in microscopic fields of view.
- Spectrophotometric quantification of extracted EBD from muscle samples using a microplate reader.
Main Results:
- Microscopic methods allow for detailed analysis of EBD-stained myofibers but can be time-consuming.
- Spectrophotometric quantification offers a faster, high-throughput approach for comparing EBD levels across different mouse strains or treatment groups.
- The choice of method depends on the specific research question and experimental design.
Conclusions:
- Both microscopy and spectrophotometry are valid methods for quantifying EBD in mouse muscle.
- Spectrophotometry is advantageous for rapid, large-scale assessments of muscle damage.
- Researchers should select the quantification method that best suits their experimental needs and resources.

