Live Imaging of Mitosis in the Developing Mouse Embryonic Cortex

Louis-Jan Pilaz; Debra L. Silver

doi:10.3791/51298

Live Imaging of Mitosis in the Developing Mouse Embryonic Cortex

JoVE Journal
Neuroscience

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JoVE Journal Neuroscience

Live Imaging of Mitosis in the Developing Mouse Embryonic Cortex

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15,979 Views

09:25 min

June 4, 2014

DOI: 10.3791/51298-v

Louis-Jan Pilaz¹, Debra L. Silver^1,2

¹Department of Molecular Genetics and Microbiology,Duke University Medical Center, ²Departments of Neurobiology and Cell Biology, Duke Institute for Brain Sciences,Duke University Medical Center

Overview

This article discusses the imaging and analysis of neural progenitor mitosis in live mouse brain slices. The technique allows for high temporal and spatial resolution observations of mitosis in a controlled environment.

Key Study Components

Area of Science

Neuroscience
Cell Biology
Live Imaging Techniques

Background

Neural progenitor mitosis is essential for neurogenesis.
Traditional studies have relied on fixed tissue analysis.
Live imaging provides a dynamic view of cellular processes.
Understanding mitosis can inform developmental biology and neurodevelopmental disorders.

Purpose of Study

To perform live imaging of neural progenitor mitosis.
To analyze mitosis parameters in real-time.
To enhance understanding of brain progenitor population dynamics.

Methods Used

Dissection of brains from mouse embryos.
Preparation of brain slices using a vibratome.
Live imaging of brain slices to observe mitosis.
Time-lapse microscopy for detailed analysis of progenitor division.

Main Results

Successful imaging of neural progenitor mitosis in live slices.
Real-time observation of progenitor population divisions.
Identification of key mitosis parameters.
Insights into the dynamics of neurogenesis.

Conclusions

Live imaging is a powerful tool for studying neural progenitor behavior.
This approach can lead to a better understanding of neurogenesis.
Future studies can build on these findings to explore neurodevelopmental processes.

Frequently Asked Questions

What is the significance of studying neural progenitor mitosis?

Studying neural progenitor mitosis is crucial for understanding neurogenesis and brain development.

How does live imaging improve our understanding of mitosis?

Live imaging allows researchers to observe mitosis in real-time, providing insights that fixed tissue analysis cannot offer.

What techniques are used to prepare brain slices?

Brain slices are prepared using a vibratome, which allows for precise cutting of the tissue.

What are the main outcomes of this study?

The study successfully demonstrates live imaging of mitosis and identifies key parameters related to progenitor division.

Can these methods be applied to other types of cells?

Yes, the live imaging techniques can potentially be adapted to study other cell types in various biological contexts.

Neural progenitor mitosis is a critical parameter of neurogenesis. Much of our understanding of neural progenitor mitosis is based on analysis of fixed tissue. Live imaging in embryonic brain slices is a versatile technique to assess mitosis with high temporal and spatial resolution in a controlled environment.

The overall goal of this procedure is to perform imaging and analysis of neural progenitor mitosis in live mouse brain slices. This is accomplished by first dissecting brains from embryos. The second step is to prepare brain slices with a vibrato.

Next, the live imaging of brain slices is performed. The final step is to extract information from movies to analyze mitosis parameters of interest. Ultimately, time-lapse microscopy is used to show how progenitor populations of the brain divide in real time.

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