Mammalian Cell Division in 3D Matrices via Quantitative Confocal Reflection Microscopy

作者： Lijuan He*1,2, Alexandra Sneider*1, Weitong Chen1, Michelle Karl1, Vishnu Prasath3, Pei-Hsun Wu1,2, Gunnar Mattson3, Denis Wirtz1,2,4 1Department of Chemical and Biomolecular Engineering,Johns Hopkins University, 2Johns Hopkins Physical Sciences - Oncology Center,Johns Hopkins University, 3Department of Biomedical Engineering,Johns Hopkins University, 4Departments of Oncology and Pathology and Sidney Kimmel Comprehensive Cancer Center,Johns Hopkins University School of Medicine

简介：

Overview

This protocol efficiently studies mammalian cell division in 3D collagen matrices by integrating synchronization of cell division and monitoring of division events using live-cell imaging techniques. This method provides insights into cell matrix interactions in a physiologically relevant environment.

Key Study Components

Area of Science

• Cell Biology
• Live-Cell Imaging
• 3D Cell Culture

Background

• This technique allows for the observation of mammalian cell division in a 3D context.
• It helps in understanding the molecular basis of tissue development and disease.
• HEK-293 T-cells are commonly used for transfection and observation.
• The method emphasizes the importance of a physiologically relevant environment for studying cell behavior.

Purpose of Study

• To investigate mammalian cell division dynamics.
• To explore cell-matrix interactions in 3D environments.
• To address fundamental questions in cell biology related to normal and disease tissue development.

Methods Used

• Synchronization of cell division.
• Live-cell imaging techniques.
• Time-resolved confocal reflection microscopy.
• Quantitative imaging analysis.

Main Results

• Efficient monitoring of cell division events in 3D matrices.
• Insights into the interactions between cells and their extracellular matrix.
• Potential applications in understanding tissue development and pathology.
• Demonstrated effectiveness of the method in a controlled laboratory setting.

Conclusions

• This protocol is a valuable tool for studying cell division in a 3D context.
• It enhances our understanding of cell behavior in relation to their environment.
• The findings could have implications for research in developmental biology and disease.

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