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Genetic basis of congenital cardiovascular malformations

Seema R Lalani1, John W Belmont1

  • 1Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX, USA.

European Journal of Medical Genetics
|May 6, 2014
PubMed

Insights

Genetic factors are crucial in cardiovascular malformations, a significant birth defect. Advances in genomic studies are identifying genes involved in cardiac development, aiding in understanding complex causes.

Area of Science:

  • Genetics
  • Developmental Biology
  • Cardiology

Background:

  • Cardiovascular malformations are a major class of birth defects with complex etiologies.
  • Genetic factors are strongly implicated in the development of these conditions.
  • Improved medical care has led to a growing population of adult survivors.

Purpose of the Study:

  • To review progress in identifying causative genes for syndromic and Mendelian forms of heart malformations.
  • To highlight the role of genomic disorders in congenital heart defects.
  • To discuss the implications of genetic discoveries for understanding cardiac development and susceptibility.

Main Methods:

  • Review of genetic discoveries over the last 15 years.
  • Characterization of genes involved in syndromic and Mendelian heart malformations.
  • Analysis of genomic disorders contributing to congenital heart defects.

Main Results:

  • Numerous genes have been identified, encoding proteins essential for cardiac development (transcription factors, chromatin regulators, etc.).
  • Genomic disorders are recognized as significant contributors to congenital heart defects.
  • Progress has been made in understanding the genetic basis of rare and syndromic forms of heart malformations.

Conclusions:

  • Genome-wide sequencing holds promise for elucidating genetic causes of cardiac developmental disorders.
  • Comprehensive genetic studies are essential for understanding gene-gene and gene-environment interactions in congenital heart defects.
  • Continued genetic research is vital for improving diagnosis and potential interventions for cardiovascular malformations.

Keywords:
Cardiac developmentChromosomal and single gene disordersCongenital heart defectGenomic disorder

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