4.7 Review

Endothelial-Myocardial Angiocrine Signaling in Heart Development

Journal

Publisher

FRONTIERS MEDIA SA
DOI: 10.3389/fcell.2021.697130

Keywords

endothelial cell; cardiac development; single-cell sequencing; myocardial compaction; cardiomyocyte

Funding

  1. American Heart Association [20POST35210896]
  2. Stanford Cardiovascular Institute Seed Grant
  3. National Institutes of Health [K99 HL150216]

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This review focuses on the multifunctional nature of vascular endothelial cells in the mammalian heart and their regulation of critical processes in heart development via unique angiocrine signaling pathways. Advancements in single-cell sequencing have accelerated the understanding of intercellular communication among functional cell types in the heart, highlighting the heterogeneous nature of cardiac endothelial cells and their contributions to various aspects of heart development.
Vascular endothelial cells are a multifunctional cell type with organotypic specificity in their function and structure. In this review, we discuss various subpopulations of endothelial cells in the mammalian heart, which spatiotemporally regulate critical cellular and molecular processes of heart development via unique sets of angiocrine signaling pathways. In particular, elucidation of intercellular communication among the functional cell types in the developing heart has recently been accelerated by the use of single-cell sequencing. Specifically, we overview the heterogeneic nature of cardiac endothelial cells and their contribution to heart tube and chamber formation, myocardial trabeculation and compaction, and endocardial cushion and valve formation via angiocrine pathways.

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