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Updated: May 27, 2026

En Face Endocardial Cushion Preparation for Planar Morphogenesis Analysis in Mouse Embryos
Published on: July 27, 2022
Planar cell polarity signaling pathway in congenital heart diseases
Gang Wu1, Jiao Ge, Xupei Huang
1Department of Pediatrics, West China Second University Hospital, Sichuan University, Chengdu, Sichuan 610041, China.
Insights
Planar cell polarity (PCP) signaling is crucial for heart development. Disrupted PCP pathways are linked to congenital heart disease (CHD) pathogenesis, highlighting their role in this common cardiac disorder.
Area of Science:
- Cardiovascular Biology
- Developmental Biology
- Genetics
Background:
- Congenital heart disease (CHD) is a prevalent human cardiac disorder with largely unknown etiology.
- The planar cell polarity (PCP) signaling pathway regulates key developmental processes, including vertebrate cardiogenesis.
- Disruptions in PCP signaling have been implicated in the development of certain CHDs.
Purpose of the Study:
- To review the current understanding of how PCP signaling factors contribute to the pathogenesis of congenital heart disease.
- To explore the roles of PCP pathway components in cardiac development and differentiation.
- To connect PCP pathway dysfunction to specific CHD etiologies.
Main Methods:
- Literature review and synthesis of existing research on PCP signaling and CHD.
- Analysis of studies investigating PCP factor functions in cardiac development.
- Examination of genetic and molecular evidence linking PCP disruption to CHD.
Main Results:
- PCP signaling pathways are essential for establishing tissue polarity during embryonic development.
- Specific PCP components play critical roles in cardiac differentiation and morphogenesis.
- Aberrant PCP signaling disrupts normal heart development, leading to congenital heart defects.
Conclusions:
- The planar cell polarity pathway is a significant factor in the etiology of congenital heart disease.
- Understanding PCP's role in cardiogenesis offers potential new avenues for CHD research and therapeutic strategies.
- Further investigation into PCP signaling mechanisms is crucial for elucidating CHD pathogenesis.
Abstract:
Congenital heart disease (CHD) is a common cardiac disorder in humans. Despite many advances in the understanding of CHD and the identification of many associated genes, the fundamental etiology for the majority of cases remains unclear. The planar cell polarity (PCP) signaling pathway, responsible for tissue polarity in Drosophila and gastrulation movements and cardiogenesis in vertebrates, has been shown to play multiple roles during cardiac differentiation and development. The disrupted function of PCP signaling is connected to some CHDs. Here, we summarize our current understanding of how PCP factors affect the pathogenesis of CHD.
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