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Distinct features of the regenerating heart uncovered through comparative single-cell profiling
Clayton M Carey1, Hailey L Hollins1, Alexis V Schmid1
1School of Biological Sciences, University of Utah, Salt Lake City, UT, 84112, USA.
Biorxiv : the Preprint Server for Biology
|July 18, 2023
Summary
Comparing zebrafish and medaka hearts after injury reveals key differences in immune response and cell signaling that explain why zebrafish regenerate damaged cardiac tissue while medaka do not. This highlights evolutionary impacts on regenerative potential.
Area of Science:
- Comparative biology
- Cardiovascular research
- Regenerative medicine
Background:
- Mammals form permanent scars after heart injury, unlike many regenerating vertebrates.
- Understanding the cellular and molecular basis of cardiac regeneration is crucial for developing therapies.
Conclusions:
- Significant variations exist in cardiac injury response across major cell types between zebrafish and medaka.
- Evolutionary divergence impacts cellular features that determine cardiac regenerative potential.
