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Orientation of Implanted or Dissected Mouse Embryos for Histological Sectioning
Virginia E Papaioannou1, Richard R Behringer2
1Department of Genetics and Development, Columbia University Medical Center, New York, New York 10032, USA vep1@columbia.edu.
Cold Spring Harbor Protocols
|November 6, 2023
Summary
This protocol details reproducible embryo sectioning for accurate histological analysis. Controlled orientation improves mutant and wild-type comparisons in developmental studies.
Area of Science:
- Developmental Biology
- Histology
- Genetics
Background:
- Histological analysis is crucial for mutational studies.
- Accurate interpretation relies on controlled sectioning planes.
- Comparisons between mutant and wild-type embryos require reliable orientation.
Purpose of the Study:
- To provide a protocol for reproducible histological sectioning of mouse embryos.
- To enable precise control over sectioning orientation for embryos at various developmental stages.
Main Methods:
- Protocol for sectioning embryos (E4.5-E9.5) within the uterus.
- Protocol for sectioning dissected embryos (E9.5 and older).
- Focus on achieving reproducible orientation.
Main Results:
- Methods ensure consistent section orientation.
- Facilitates easier interpretation of histological sections.
- Enhances reliability of mutant vs. wild-type embryo comparisons.
Conclusions:
- This protocol standardizes embryo sectioning for improved histological analysis.
- Reproducible orientation is key for accurate mutational and developmental studies.
