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Three-Dimensional Microscopy in Microbiology

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Three-dimensional imaging techniques are essential in cell biology, allowing researchers to visualize intricate cellular structures with high resolution. Two prominent methods, Differential Interference Contrast Microscopy (DIC) and Confocal Scanning Laser Microscopy (CSLM), provide distinct advantages for imaging live and thick specimens, respectively.Differential Interference Contrast MicroscopyDIC microscopy enhances contrast in transparent, unstained samples by converting phase...

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Related Experiment Video

Updated: Mar 25, 2026

3D Analysis of Multi-cellular Responses to Chemoattractant Gradients

3D Analysis of Multi-cellular Responses to Chemoattractant Gradients

Published on: May 24, 2019

Quantitative Multiscale Cell Imaging in Controlled 3D Microenvironments.

Erik S Welf¹, Meghan K Driscoll¹, Kevin M Dean¹

¹Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.

Developmental Cell

|February 25, 2016

Summary

This summary is machine-generated.

A new microscopy technique, microenvironmental selective plane illumination microscopy (meSPIM), allows researchers to visualize cell signaling and behavior in 3D. This method reveals how microenvironment mechanics influence melanoma cell transitions and collagen fiber manipulation.

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Area of Science:

Cell Biology
Biophysics
Microscopy Techniques

Background:

Cellular behavior is dictated by the microenvironment, but molecular mechanisms remain unclear due to limitations in current imaging techniques.
Challenges include insufficient spatial/temporal resolution and restricted microenvironmental control in quantitative cell signaling studies.

Purpose of the Study:

To introduce microenvironmental selective plane illumination microscopy (meSPIM) for advanced imaging and quantification.
To investigate the impact of microenvironmental mechanical properties on melanoma cell dynamics and behavior within 3D matrices.

Main Methods:

Development and application of microenvironmental selective plane illumination microscopy (meSPIM).
Quantitative analysis of intracellular signaling, cellular structures, morphology, and environmental interactions.
Tracking of membrane protrusions and collagen fiber manipulation by cells.

Main Results:

Demonstrated that microenvironment mechanics regulate the switch between actin-driven protrusion and blebbing in melanoma cells.
Developed tools to quantify cellular manipulation of individual collagen fibers within 3D matrices.
Quantified local actin and phosphatidylinositol 3-kinase signaling on cell surfaces deep within 3D collagen.

Conclusions:

meSPIM provides unprecedented resolution for studying cell behavior in physiologically relevant 3D microenvironments.
The study elucidates the role of mechanical cues in regulating cell protrusion dynamics and signaling.
This technique enables detailed analysis of cell-matrix interactions and signaling in complex settings.