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Cx43 gap junctions in cardiac development.

C W Lo1, A Wessels

  • 1Anatomy, Medical University of South Carolina, Charleston, South Carolina 29425, USA. clo@mail.sas.upenn.edu

Trends in Cardiovascular Medicine
|February 28, 2004
PubMed
Summary
This summary is machine-generated.

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Connexin 43 (Cx43) gap junctions are crucial for cardiac development and heart laterality. Disruptions in Cx43 function may significantly contribute to congenital heart malformations.

Area of Science:

  • Cardiovascular biology
  • Developmental biology
  • Molecular genetics

Background:

  • Connexin 43 (Cx43) forms gap junctions essential for cell-to-cell communication.
  • Cardiac development involves complex processes regulated by intercellular signaling.

Purpose of the Study:

  • To investigate the role of Cx43 gap junctions in cardiac development and heart laterality.
  • To explore the link between Cx43 dysfunction and congenital heart malformations.

Main Methods:

  • Utilized knockout and transgenic mouse models.
  • Examined studies in human and Xenopus models.

Main Results:

  • Cx43 gap junctions play a critical role in cardiac development.
  • Cx43 is quantitatively required for cardiac crest cell development.

Related Experiment Videos

  • Cx43 gap junctions may regulate heart laterality in humans and Xenopus.

    • Conclusions:

    • Perturbation of Cx43 function is implicated in specific congenital heart malformations.
    • Cx43 is a key regulator of cardiac morphogenesis and left-right patterning.