Related Experiment Video
Updated: Jul 8, 2026
Epigenetic Regulation of Cardiac Differentiation of Embryonic Stem Cells and Tissues
Published on: June 3, 2016
A genetic blueprint for cardiac development
1Department of Molecular Biology, University of Texas, Southwestern Medical Center at Dallas, 75390-9148, USA. dsriva@mednet.swmed.edu
Insights
Genetic mutations are a primary cause of congenital heart disease in children, leading to severe cardiac malformations. Understanding these genetic factors is crucial for both treating heart defects and exploring cardiac repair via cell reprogramming.
Area of Science:
- Cardiovascular Genetics
- Developmental Biology
- Pediatric Cardiology
Background:
- Congenital heart disease (CHD) is the leading non-infectious cause of mortality in pediatric populations.
- Previously considered multifactorial, many cardiac abnormalities are now linked to specific mutations in developmental control genes.
- Genetic mutations can result in severe cardiac malformations at birth or subtler issues later in life.
Purpose of the Study:
- To elucidate the genetic basis of congenital heart disease.
- To explore the role of developmental control genes in cardiac malformations.
- To investigate the potential for genetic reprogramming in cardiac repair strategies.
Main Methods:
- Review of current literature on genetic mutations and cardiac development.
- Analysis of genetic data related to congenital heart defects.
- Exploration of gene-editing and cell-reprogramming techniques for cardiac regeneration.
Main Results:
- Mutations in key developmental control genes are directly implicated in a significant proportion of CHD cases.
- Genetic underpinnings explain a spectrum of cardiac abnormalities, from severe malformations to subtle defects.
- Understanding these genetic pathways opens avenues for novel therapeutic approaches.
Conclusions:
- Genetic mutations are a critical factor in congenital heart disease etiology.
- Targeting developmental gene pathways offers potential for novel treatments and regenerative medicine.
- Further research into genetic reprogramming could revolutionize pediatric cardiac care.
Abstract:
Congenital heart disease is the leading non-infectious cause of death in children. It is becoming increasingly clear that many cardiac abnormalities once thought to have multifactorial aetiologies are attributable to mutations in developmental control genes. The consequences of these mutations can be manifest at birth as life-threatening cardiac malformations or later as more subtle cardiac abnormalities. Understanding the genetic underpinnings of cardiac development has important implications not only for understanding congenital heart disease, but also for the possibility of cardiac repair through genetic reprogramming of non-cardiac cells to a cardiogenic fate.
Related Concept Videos
01:13Structure of Cardiac Muscles
Compared to skeletal muscles, cardiac muscle cells are small and mostly have a single nucleus. Additionally, they are usually...
01:27Specialized Characteristics of Cardiac Muscles
Cardiac muscle cells are smaller than skeletal muscles, averaging 10–20 mm in diameter and 50–100 mm in length. However, they have large energy demands for continuous contraction and relaxation. This energy is almost exclusively derived from aerobic metabolism of energy reserves in...
01:27Development of the Heart
As the embryo undergoes lateral folding, these paired tubes approach each other, merging into a single primitive heart tube by...