Overview
This study presents a novel assay for imaging cellular and sub-cellular changes in chick spinal cord over extended periods with high spatial and temporal resolution. The technique is adaptable for various regions of the nervous system and developing embryos.
Key Study Components
Area of Science
- Neuroscience
- Developmental Biology
- Imaging Techniques
Background
- Imaging embryonic tissue in real-time is challenging.
- Existing methods often lack the resolution or duration needed for detailed studies.
- High-resolution imaging is crucial for understanding cell behavior in development.
- This technique allows for the observation of individual cell behavior over time.
Purpose of Study
- To develop a method for long-term imaging of cell behavior in the embryonic neural tube.
- To enhance spatial and temporal resolution in imaging techniques.
- To address key questions in developmental neurobiology.
Methods Used
- Transection of the early neural tube with a fluorescent protein construct.
- Preparation of embryo slices and mounting on glass bottom dishes.
- Imaging using wide field microscopy at regular intervals.
- Use of specific culture conditions to maintain tissue viability during imaging.
Main Results
- Successful imaging of individual cell behavior over extended periods.
- High spatial and temporal resolution achieved with the developed technique.
- Insights into cell behavior dynamics within the developing neuro epithelium.
- Potential applications in studying mitotic spindle orientation and signaling dynamics.
Conclusions
- The method provides a significant advancement in imaging embryonic tissues.
- It opens new avenues for research in developmental neurobiology.
- Further adaptations could enhance its applicability across different regions of the nervous system.
What is the main advantage of this imaging technique?
The technique allows for the observation of individual cell behavior over long periods at high spatial and temporal resolution.
How are the embryo slices prepared for imaging?
Embryo slices are made and mounted onto glass bottom dishes after recovery in an incubator.
What type of microscope is used for imaging?
A delta vision core wide field microscope fitted with an environmental chamber is used.
What is the purpose of using a fluorescent protein?
The fluorescent protein marks single cells for observation during imaging.
How long are the embryos incubated before imaging?
Embryos are typically incubated for three to four hours or overnight at 37 degrees Celsius.
What are the culture conditions for the slices during imaging?
Slices are maintained at 37 degrees Celsius with 5% carbon dioxide to ensure viability.