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Optimized CUBIC protocol for three-dimensional imaging of chicken embryos at single-cell resolution
María Victoria Gómez-Gaviro1,2,3, Evan Balaban4, Diana Bocancea5
1Departamento de Bioingeniería e Ingeniería Aeroespacial, Universidad Carlos III de Madrid, Leganés, 28911, Spain vgomez@hggm.es.
Development (Cambridge, England)
|April 23, 2017
Summary
The optimized CUBIC protocol creates transparent chicken embryos and brains for detailed 3D imaging. This rapid, cost-effective method enables single-cell resolution histology, preserving structural integrity for research.
Area of Science:
- Developmental Biology
- Histology
- Microscopy
Background:
- Accurate 3D imaging of whole embryos and organs is crucial for understanding developmental processes.
- Existing tissue clearing methods can be time-consuming, expensive, or lack sufficient resolution.
Purpose of the Study:
- To optimize the CUBIC tissue-clearing protocol for chicken embryos.
- To validate a rapid, inexpensive, and reliable method for high-resolution 3D histological imaging.
Main Methods:
- Optimization of the CUBIC (Clear, Unobstructed Brain/Body Imaging) protocol.
- Application of multispectral light-sheet microscopy for image acquisition.
- Immunostaining of whole chicken embryos and embryo brains.
Main Results:
- Achieved translucent immunostained whole chicken embryos and embryo brains.
- Acquired accurate histological images preserving 3D structural relationships.
- Demonstrated single-cell resolution in cleared specimens.
Conclusions:
- The validated CUBIC protocol offers an efficient and reliable method for 3D whole-embryo and whole-brain imaging.
- This technique facilitates detailed histological analysis in developmental studies.
- The protocol is suitable for early-stage and late-stage chicken embryo development research.
