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Related Experiment Videos

Three-dimensional reconstruction of gene expression patterns during cardiac development.

Alexandre T Soufan1, Jan M Ruijter, Maurice J B van den Hoff

  • 1Experimental and Molecular Cardiology Group, Academic Medical Center, 1105 AZ, Amsterdam, The Netherlands.

Physiological Genomics
|May 15, 2003
PubMed
Summary

This study presents an accessible protocol for 3D gene expression mapping in embryos using in situ hybridization (ISH) on serial sections. The method enables visualization of gene patterns crucial for understanding embryonic development.

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Area of Science:

  • Developmental Biology
  • Molecular Biology
  • Bioimaging

Background:

  • Three-dimensional (3D) mapping of gene expression is vital for studying embryonic development.
  • Existing 3D reconstruction methods for embryos are often inadequate or inaccessible.
  • A need exists for accessible protocols to visualize gene expression patterns in 3D.

Purpose of the Study:

  • To develop and describe an accessible protocol for 3D visualization of gene expression patterns.
  • To enable microscopic-level mapping of gene expression during embryonic development.
  • To provide a cost- and time-efficient method for 3D reconstruction.

Main Methods:

  • Developed a protocol for 3D visualization of gene expression patterns using in situ hybridization (ISH) on serial embryo sections.

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  • The protocol requires tissue sectioning due to staining agent penetration limits.
  • Demonstrated the protocol on serially sectioned mouse hearts (embryonic day 8.5-14.5) using specific mRNA probes for myocardium identification.

    • Main Results:

    • The protocol allows for 3D reconstruction and visualization of gene expression patterns.
    • The method is relatively undemanding in terms of hardware, software, and time.
    • Reconstructions are of sufficient quality for visualizing gene expression patterns, prioritizing breadth over highest resolution.

    Conclusions:

    • The described protocol offers an accessible approach for 3D gene expression mapping in embryonic development.
    • This method facilitates the study of genetic regulation during embryogenesis.
    • The protocol provides a practical tool for researchers needing to visualize gene expression patterns in 3D.