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Competent for commitment: you've got to have heart!

Rajan Jain1, Jonathan A Epstein1

  • 1Department of Medicine, Department of Cell and Developmental Biology, Institute for Regenerative Medicine, Penn Cardiovascular Institute, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.

Genes & Development
|February 15, 2018
PubMed
Summary
This summary is machine-generated.

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Understanding cardiac progenitor cell development is key to treating heart disease. This review explores how chromatin organization influences cardiac cell specification and development, offering insights for regenerative therapies.

Area of Science:

  • Cardiovascular Biology
  • Developmental Biology
  • Epigenetics

Background:

  • The mature heart comprises myocytes, endothelium, smooth muscle, and fibroblasts.
  • These cells originate from pluripotent progenitors undergoing lineage restriction.
  • Intermediary cell types and regulatory factors in cardiac development are increasingly understood.

Purpose of the Study:

  • To review recent advances in cardiac cell specification and gene regulation.
  • To introduce and explain the concept of "chromatin competence" in cardiac development.
  • To highlight the impact of chromatin organization on cardiac lineage decisions.

Main Methods:

  • Review of recent scientific literature on cardiac development.
  • Analysis of studies on gene regulation and 3D chromatin organization.
Keywords:
cardiac progenitor cellsgene regulationlineage restrictionnuclear architecture

Related Experiment Videos

  • Synthesis of findings related to progenitor cell identity and competence.

    • Main Results:

    • Cardiac progenitor cells progressively restrict lineage potential during development.
    • Extrinsic and cell-autonomous factors influence cardiac lineage decisions.
    • Three-dimensional chromatin organization, termed "chromatin competence," underpins progenitor cell responsiveness to inductive cues.

    Conclusions:

    • Understanding cardiac cell specification is crucial for congenital and adult cardiac disease research.
    • Chromatin competence provides a molecular framework for progenitor cell responsiveness.
    • This knowledge will guide regenerative therapeutic approaches for cardiac conditions.