Human Genetics of Congenital Heart Defects

Anna Wilsdon1,2, Siobhan Loughna3

  • 1School of Life Sciences, University of Nottingham, Nottingham, UK. anna.wilsdon1@nhs.net.

Insights

Congenital heart diseases (CHDs) are birth defects affecting the heart and blood vessels. This review explores the known genetic factors contributing to these complex conditions.

Area of Science:

  • Cardiology
  • Genetics
  • Developmental Biology

Background:

  • Congenital heart diseases (CHDs) encompass a spectrum of structural abnormalities present at birth.
  • These defects range from minor issues needing no treatment to severe conditions requiring early surgical intervention.

Purpose of the Study:

  • To review the current understanding of the genetic underpinnings of congenital heart diseases.
  • To consolidate knowledge on the genetic etiology of CHDs for researchers and clinicians.

Main Methods:

  • Literature review of existing research on CHD genetics.
  • Synthesis of data from genetic studies, including family studies and population-based research.

Main Results:

  • Identification of numerous genetic factors implicated in CHD development.
  • Understanding of the complex interplay between genetic mutations and environmental influences.

Conclusions:

  • Genetic factors play a significant role in the etiology of congenital heart diseases.
  • Further research into CHD genetics is crucial for improved diagnosis and treatment strategies.

Related Concept Videos

Genetic Lingo01:11

Genetic Lingo

Overview
102.6K
Pedigree Analysis01:35

Pedigree Analysis

Overview
84.2K
Incomplete Dominance01:43

Incomplete Dominance

Gregor Mendel's work (1822 - 1884) was primarily focused on pea plants. Through his initial experiments, he determined that every gene in a diploid cell has two variants called alleles inherited from each parent. He suggested that amongst these two alleles, one allele is dominant in character and the other recessive. The combination of alleles determines the phenotype of a gene in an organism.
22.5K
Human Genetics01:28

Human Genetics

Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
557
Sex-linked Disorders01:43

Sex-linked Disorders

Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.
102.0K
Animal Mitochondrial Genetics02:59

Animal Mitochondrial Genetics

Among all the organelles in an animal cell, only mitochondria have their own independent genomes. Animal mitochondrial DNA is a double-stranded, closed-circular molecule with around 20,000 base pairs. Mitochondrial DNA is unique in that one of its two strands, the heavy, or H, -strand is guanine rich, whereas the complementary strand is cytosine rich and called the light, or L, -strand. Compared to nuclear DNA, mitochondrial DNA has a very low percentage of non-coding regions and is marked by...
7.6K