Related Experiment Video

Updated: Jun 8, 2026

En Face Endocardial Cushion Preparation for Planar Morphogenesis Analysis in Mouse Embryos
08:57

En Face Endocardial Cushion Preparation for Planar Morphogenesis Analysis in Mouse Embryos

Published on: July 27, 2022

Signaling pathways in early cardiac development

Wenrui Liu1, Ann C Foley

  • 1Greenberg Division of Cardiology, Department of Medicine, Weill Medical College of Cornell University, New York, NY, USA.

Wiley Interdisciplinary Reviews. Systems Biology and Medicine
|September 11, 2010
PubMed

Insights

Understanding cardiomyocyte differentiation requires studying signaling pathways. Recent omics approaches reveal CXCR4 as a key marker for cardiac progenitor cells, aiding heart development research.

Area of Science:

  • Developmental Biology
  • Molecular Biology
  • Cardiovascular Research

Background:

  • Cardiomyocyte differentiation is a complex process involving integrated signaling pathways.
  • Both autonomous and non-autonomous signaling networks regulate cardiac development.
  • Previous studies identified key pathways for mesoderm formation and cardiomyocyte lineage allocation.

Purpose of the Study:

  • To provide an overview of three key signaling networks in cardiomyocyte specification.
  • To review recent insights into their roles in heart development.
  • To explore the impact of omics approaches on understanding cardiac differentiation.

Main Methods:

  • Review of existing embryological and genetic studies.
  • Analysis of systems-level 'omic approaches' (genomics, transcriptomics, etc.).
  • Evaluation of high-throughput techniques like small molecule screens.

Main Results:

  • Identification of three major signaling networks crucial for cardiomyocyte specification.
  • Demonstration of how omics and high-throughput screens advance understanding of cardiac development.
  • CXCR4 identified as a significant marker and potential functional player in cardiomyocyte progenitor differentiation.

Conclusions:

  • Signaling pathways are critical for cardiomyocyte specification and heart development.
  • 'Omic' approaches are revolutionizing the study of cardiac differentiation.
  • CXCR4 is a promising marker for cardiomyocyte progenitors, warranting further functional investigation.

More Related Videos

Optogenetic Signaling Activation in Zebrafish Embryos07:18

Optogenetic Signaling Activation in Zebrafish Embryos

Published on: October 27, 2023

Analysis of Cardiac Chamber Development During Mouse Embryogenesis Using Whole Mount Epifluorescence06:27

Analysis of Cardiac Chamber Development During Mouse Embryogenesis Using Whole Mount Epifluorescence

Published on: April 17, 2019

Related Concept Videos

Notch Signaling Pathway03:14

Notch Signaling Pathway

The Notch signaling pathway is a major intracellular signaling pathway that is highly conserved over a broad spectrum of metazoan species. It stands unique from other intracellular signaling mechanisms in animals because notch protein itself acts as the receptor as well as the primary signaling molecule.
The Notch gene came into the limelight in 1914 after the discovery that its mutation in Drosophila melanogaster leads to a serrated (or "notched") wing margin phenotype. It was not until 1985...
Notch Signaling Pathway03:14

Notch Signaling Pathway

The Notch signaling pathway is a major intracellular signaling pathway that is highly conserved over a broad spectrum of metazoan species. It stands unique from other intracellular signaling mechanisms in animals because notch protein itself acts as the receptor as well as the primary signaling molecule.
The Notch gene came into the limelight in 1914 after the discovery that its mutation in Drosophila melanogaster leads to a serrated (or "notched") wing margin phenotype. It was not until 1985...
Interactions Between Signaling Pathways01:19

Interactions Between Signaling Pathways

Signaling cascades usually lack linearity. Multiple pathways interact and regulate one another, allowing cells to integrate and respond to diverse environmental stimuli.
Convergence and divergence, and cross-talk between signaling pathways
Two distinct signaling pathways can converge on a single functional unit, which may either be a single protein or a complex of proteins. The response is either functionally distinct or synergistic between the two pathways but different from the response...
Diversity in Cell Signaling Responses01:22

Diversity in Cell Signaling Responses

The physiological function of a cell and cellular communication are outcomes of a range of extrinsic signals, intracellular signaling pathways, and cellular responses. No two cell types express the same repertoire of signaling components. Receptors are highly selective for their cognate ligands, but once activated, they can alter multiple cellular processes such as DNA transcription, protein synthesis, and metabolic activity. 
Graded and Abrupt Responses
Some signaling systems generate...
Development of the Heart01:27

Development of the Heart

The development of the human heart, a crucial organ, commences from the mesoderm on the 18th or 19th day after fertilization. This process initiates in the cardiogenic area, a group of mesodermal cells at the embryo's head end, which evolves into elongated strands known as cardiogenic cords. These cords undergo a transformation to form hollow-centered endocardial tubes.
As the embryo undergoes lateral folding, these paired tubes approach each other, merging into a single primitive heart tube by...
Hedgehog Signaling Pathway02:33

Hedgehog Signaling Pathway

The Hedgehog gene (Hh) was first discovered due to its control of the growth of disorganized, hair-like bristles phenotype in Drosophila, much like hedgehog spines. Hh plays a crucial role in the development of organs and the maintenance of homeostasis in both invertebrates and vertebrates. However, while Drosophila has only one Hh protein, mammals have multiple functional Hedgehog proteins - Sonic (Shh), Desert (Dhh), and Indian Hedgehog (Ihh). All of these homologous proteins have adapted to...