Human Genetics of Tricuspid Atresia and Univentricular Heart

Abdul Karim Sleiman, Liane Sadder, George Nemer*

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

Tricuspid atresia (TA) is a rare congenital heart condition that presents with a complete absence of the right atrioventricular valve. Because of the rarity of familial and/or isolated cases of TA, little is known about the potential genetic abnormalities contributing to this condition. Potential responsible chromosomal abnormalities were identified in exploratory studies and include deletions in 22q11, 4q31, 8p23, and 3p as well as trisomies 13 and 18. In parallel, potential culprit genes include the ZFPM2, HEY2, NFATC1, NKX2-5, MYH6, and KLF13 genes. The aim of this chapter is to expose the genetic components that are potentially involved in the pathogenesis of TA in humans. The large variability in phenotypes and genotypes among cases of TA suggests a genetic network that involves many components yet to be unraveled.

Original languageEnglish
Title of host publicationCongenital Heart Diseases: The Broken Heart, 2 Edition
EditorsS Rickert-Sperling, RG Kelly, N Haas
PublisherSpringer
Pages875-884
Number of pages10
Volume1441
ISBN (Electronic)978-3-031-44087-8
ISBN (Print)978-3-031-44089-2, 978-3-031-44086-1
DOIs
Publication statusPublished - 2024

Publication series

NameAdvances In Experimental Medicine And Biology

Keywords

  • 22q11 deletion
  • AV valve
  • Alagille syndrome
  • Asd
  • Atrial septal defect
  • Atrioventricular valve
  • Cardiac progenitor cells
  • Ellis-van Creveld syndrome
  • Endocardial cushions
  • Endocardium
  • Epicardium
  • Fog2
  • Hey2
  • Klf13
  • Mesoderm
  • Myh6
  • Myocardium
  • Nfatc1
  • Nkx2-5
  • Tga
  • Transposition of the great arteries
  • Tricuspid atresia
  • Trisomy 13
  • Trisomy 18
  • Univentricular heart
  • Ventricular septal defect
  • Vsd
  • Zfpm2

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