Time-Resolved Fluorescence Imaging and Analysis of Cancer Cell Invasion in the 3D Spheroid Model

Overview

This study presents a protocol for the fabrication of a spheroid imaging device, enabling dynamic and longitudinal fluorescence imaging of cancer cell spheroids to investigate mechanisms of cell invasion in real-time. The technique demonstrates enhanced efficiency and cost-effectiveness for modeling solid tumor invasiveness.

Key Study Components

Research Area

• Cancer biology
• Cell invasion dynamics
• Imaging techniques

Background

• Invasion of cancer cells into the extracellular matrix is crucial for understanding metastasis.
• Current methods often lack efficiency and scalability for high-throughput applications.
• Imaging spheroids can provide insights into cellular behaviors in a more biologically relevant context.

Methods Used

• 3D printing and PDMS fabrication for spheroid imaging device
• Cancer cell spheroids of mammary carcinoma
• Longitudinal fluorescence imaging

Main Results

• The protocol successfully enables real-time imaging of cancer cell invasion.
• Embedding spheroids in collagen facilitated longitudinal studies of invasion over six days.
• Image processing procedures were validated for analyzing spheroid area and morphology over time.

Conclusions

• This study validates a novel spheroid imaging technique with potential applications in cancer research.
• The findings emphasize the importance of real-time monitoring in understanding cancer cell dynamics.

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