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Related Experiment Videos

Cell lineage tracing in heart development

F C Serluca1, M C Fishman

  • 1Cardiovascular Research Center, Massachusetts General Hospital, Charlestown 02129, USA.

Methods in Cell Biology
|January 19, 1999
PubMed
Summary
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Photolysis-based lineage determination precisely tracks cell fate in developing embryos. This method aids in understanding heart development and other organogenesis processes.

Area of Science:

  • Developmental Biology
  • Molecular Biology
  • Genetics

Background:

  • Defining cell lineages during embryonic development is crucial for understanding organogenesis.
  • Existing lineage tracing methods have limitations, particularly for late-stage developmental events.

Purpose of the Study:

  • To introduce and validate a photolysis-based technique for precise lineage determination in embryos.
  • To demonstrate the applicability of this method beyond the heart lineage to other embryonic regions.
  • To integrate lineage tracing with gene expression analysis for a comprehensive understanding of cell fate regulation.

Main Methods:

  • Utilizing photolysis to induce targeted genetic labeling in specific embryonic cells.
  • Applying the technique to track cell fates during heart development.

Related Experiment Videos

  • Performing simultaneous gene expression analysis and lineage restriction mapping within the same embryo.

    • Main Results:

    • Photolysis-based lineage determination effectively defines late-stage cell lineages.
    • The technique is versatile and applicable to various embryonic tissues.
    • Concomitant analysis revealed correlations between gene expression and lineage restriction.

    Conclusions:

    • Photolysis-based lineage tracing is a powerful tool for studying embryonic development.
    • This method facilitates the definition of signaling pathways governing cell fate.
    • It offers insights into the regulative changes during vertebrate organogenesis.