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Related Experiment Videos

Atrial form and function: lessons from human molecular genetics.

C J Hatcher1, M S Kim, C T Basson

  • 1Molecular Cardiology Laboratory, Cardiology Division, Department of Medicine and Department of Cell Biology, Weill Medical College of Cornell University, 525 E. 68th St., New York, NY 10021, USA.

Trends in Cardiovascular Medicine
|June 29, 2001
PubMed
Summary
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Genetic studies reveal key genes like TBX5 and NKX2.5 influencing heart development. Mutations in these genes can cause atrial abnormalities and familial atrial fibrillation, guiding research into congenital heart disease causes.

Area of Science:

  • Cardiovascular Genetics
  • Developmental Biology
  • Human Molecular Genetics

Background:

  • Hereditary cardiac disorders affecting atrial structure and function are linked to specific gene mutations.
  • Several genes, including TBX5, NKX2.5, EVC, and PRKAR1 alpha, are known regulators of atrial morphogenesis.
  • Mutations in these genes can lead to abnormal atrial development and familial atrial fibrillation.

Purpose of the Study:

  • To identify genes regulating atrial morphogenesis and understand their role in congenital heart disease.
  • To investigate the interactions between transcription factors, signaling molecules, and other genes in human cardiogenesis.
  • To elucidate the etiologies of common congenital heart disease through human studies and animal models.

Main Methods:

Related Experiment Videos

  • Molecular genetic analyses of human hereditary cardiac disorders.
  • Identification and study of genes regulating atrial development, including TBX5, NKX2.5, EVC, and PRKAR1 alpha.
  • Utilizing experimental animal models alongside human investigations.

    • Main Results:

    • Several genes (TBX5, NKX2.5, EVC, PRKAR1 alpha) identified as critical for atrial morphogenesis.
    • Mutations in these genes are associated with abnormal atrial growth and development.
    • Ongoing research is uncovering critical pathways in human cardiogenesis through gene interaction studies.

    Conclusions:

    • Genetic factors play a crucial role in atrial development and function.
    • Understanding these genetic pathways is essential for diagnosing and potentially treating congenital heart defects and familial atrial fibrillation.
    • Synergistic approaches using human data and animal models are vital for advancing knowledge in heart development and disease.