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Genetic basis of syndromes associated with congenital heart disease

B D Gelb1

  • 1Departments of Pediatrics and Human Genetics, Mount Sinai School of Medicine, New York, New York 10029, USA. gelbb01@doc.mssm.edu

Current Opinion in Cardiology
|May 18, 2001
PubMed

Insights

Syndromic congenital heart defects (CHDs) offer insights into genetic causes. Understanding these rare genetic disorders aids in comprehending nonsyndromic CHDs.

Area of Science:

  • Genetics
  • Developmental Biology
  • Medicine

Background:

  • Congenital heart defects (CHDs) are frequently observed in various genetic syndromes.
  • The co-occurrence of seemingly unrelated developmental abnormalities in these syndromes has long intrigued researchers.
  • Advances in human genetics have elucidated the roles of chromosomal abnormalities, genomic alterations, and point mutations in syndromic CHDs.

Purpose of the Study:

  • To review recent advancements in identifying the molecular underpinnings of syndromic CHDs.
  • To highlight how studying rare genetic syndromes contributes to understanding common CHDs.

Main Methods:

  • Review of recent literature on syndromic CHD genetics.
  • Analysis of genetic and genomic data from patients with syndromic CHDs.
  • Discussion of genotype-phenotype correlations.

Main Results:

  • Identification of specific genes and genetic mechanisms responsible for various syndromic CHDs.
  • Demonstration of shared genetic pathways between syndromic and nonsyndromic CHDs.
  • Progress in understanding the molecular basis of complex developmental perturbations.

Conclusions:

  • Genetic research into syndromic CHDs has significantly advanced our knowledge of heart development.
  • Insights gained from rare mendelian disorders are crucial for addressing nonsyndromic CHDs.
  • Continued investigation into the molecular basis of syndromic CHDs promises further breakthroughs in cardiovascular medicine.

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