Microfluidic devices for imaging trafficking events in vivo using genetic model organisms

Area of Science:

• Biology
• Biotechnology
• Microfluidics

Background:

• Miniature devices offer powerful tools for biological research, particularly for single-cell and organism studies.
• Soft lithography fabrication has democratized the creation of these devices, enabling interdisciplinary use.
• Existing methods may require specialized technical knowledge or anesthetics for in vivo imaging.

Purpose of the Study:

• To describe a simple fabrication process for creating microfluidic devices.
• To enable in vivo imaging studies in genetic model organisms.
• To facilitate anesthetic-free investigation of cellular phenomena.

Main Methods:

• Soft lithography fabrication of microfluidic devices.
• Utilizing genetic model organisms (C. elegans, Drosophila larvae, zebrafish larvae).
• In vivo imaging techniques within microfluidic platforms.

Main Results:

• Successful fabrication of microfluidic devices suitable for in vivo imaging.
• Demonstrated utility in studying C. elegans, Drosophila larvae, and zebrafish larvae.
• Enabled detailed observation of intracellular vesicle trafficking in a living, anesthetic-free environment.

Conclusions:

• The described microfluidic fabrication process is accessible to researchers with varying technical expertise.
• This technology significantly advances in vivo imaging capabilities for developmental biology studies.
• Anesthetic-free microfluidic imaging supports the study of dynamic cellular processes in developing organisms.