Zebrafish: A trending model for gut-brain axis investigation

Area of Science:

• Neuroscience
• Gastroenterology
• Developmental Biology

Background:

• The gut-brain axis is crucial for physiological regulation.
• Zebrafish (Danio rerio) offer unique advantages for studying this axis.
• Mammalian and zebrafish gut-brain systems share structural and functional parallels.

Purpose of the Study:

• To review findings from zebrafish gut-brain axis research.
• To highlight methodological advancements in this model system.
• To underscore the translational potential for neuro-gastroenterological and psychiatric disorders.

Main Methods:

• Utilizing zebrafish embryos for real-time imaging due to their transparency.
• Investigating the impact of gut microbiota on neurodevelopment and behavior.
• Employing genetic manipulation for targeted pathway exploration.

Main Results:

• Zebrafish facilitate real-time imaging of gut-brain communication.
• Gut microbiota significantly influences neurodevelopment and behavior in zebrafish.
• Genetic studies provide nuanced insights into gut-brain axis mechanisms.

Conclusions:

• Zebrafish are a powerful model for dissecting gut-brain axis complexity.
• Research in zebrafish offers insights into microbiota-gut-brain interactions.
• Findings have translational implications for treating related disorders.