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Highly Resolved Intravital Striped-illumination Microscopy of Germinal Centers

Highly Resolved Intravital Striped-illumination Microscopy of Germinal Centers

Published on: April 9, 2014

Transcutical imaging with cellular and subcellular resolution.

Xiaodong Tao^1,2, Hui-Hao Lin^3,2, Tuwin Lam¹

¹W.M. Keck Center for Adaptive Optical Microscopy, Jack Baskin School of Engineering, University of California, Santa Cruz, CA 95064, USA.

Biomedical Optics Express

|July 1, 2017

Summary

This summary is machine-generated.

Researchers achieved high-resolution imaging of fruit fly brain neurons using genetically encoded fluorescent proteins and calcium indicators. This technique allows for detailed structural and functional visualization in living organisms.

Keywords:

(110.1080) Active or adaptive optics (180.2520) Fluorescence microscopy (180.4315) Nonlinear microscopy

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Area of Science:

Neuroscience
Biophysics
Genetics

Background:

Genetically encoded fluorescent proteins (GEFPs) and calcium indicators are crucial tools for neuroscience research.
High-resolution imaging of neuronal structures and functions in living organisms presents significant technical challenges.

Purpose of the Study:

To demonstrate a novel transcutical imaging technique for visualizing neurons in the living Drosophila brain.
To achieve cellular and subcellular resolution for both structural and functional imaging.

Main Methods:

Utilized genetically encoded red fluorescent proteins for structural labeling of neurons.
Employed genetically encoded calcium indicators for functional imaging.
Developed and applied a transcutical imaging approach for in vivo visualization in Drosophila.

Main Results:

Successfully imaged labeled neurons in the living Drosophila brain with cellular resolution.
Achieved subcellular resolution, enabling detailed observation of neuronal morphology and activity.
Demonstrated the capability for simultaneous structural and functional imaging.

Conclusions:

The developed transcutical imaging method provides unprecedented resolution for studying neuronal dynamics in vivo.
This technique offers a powerful new tool for neuroscience research, particularly in model organisms like Drosophila.
Advances in genetically encoded reporters and imaging technologies are critical for understanding brain function.