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Determining the Likelihood of Variant Pathogenicity Using Amino Acid-level Signal-to-Noise Analysis of Genetic Variation
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Importance of genetic evaluation and testing in pediatric cardiomyopathy

Muhammad Tariq1, Stephanie M Ware1

  • 1Muhammad Tariq, Stephanie M Ware, Department of Pediatrics and Herman B Wells Center for Pediatric Research, Indiana University School of Medicine, Indianapolis, IN 46202, United States.

World Journal of Cardiology
|November 28, 2014
PubMed

Insights

Genetic factors significantly contribute to pediatric cardiomyopathies, a group of serious heart muscle disorders. Advances in genetic testing are improving diagnosis and identifying potential therapeutic targets for affected children.

Area of Science:

  • Cardiology
  • Genetics
  • Pediatrics

Background:

  • Pediatric cardiomyopathies encompass diverse heart muscle disorders causing significant illness and death in children.
  • Genetic factors play a crucial role, with over 100 genes linked to these conditions.
  • Challenges in genetic diagnosis include numerous genes, private mutations, and interpreting rare variants.

Purpose of the Study:

  • To review current knowledge on genetic causes of pediatric cardiomyopathy.
  • To discuss the diagnostic relevance of genetic findings in clinical practice.
  • To highlight the impact of new sequencing technologies on gene discovery and diagnosis.

Main Methods:

  • Review of current literature on genetic etiologies of pediatric cardiomyopathy.
  • Discussion of diagnostic challenges and advancements.
  • Exploration of genotype-phenotype correlations.

Main Results:

  • Over 100 genes are implicated in pediatric cardiomyopathy.
  • Next-generation sequencing technologies are accelerating gene discovery.
  • Understanding genetic underpinnings aids in diagnosing and potentially treating these conditions.

Conclusions:

  • Genetic diagnosis of pediatric cardiomyopathy is complex but improving.
  • Genotype-phenotype correlations are key to understanding disease mechanisms.
  • Identifying genetic targets may lead to novel therapies for pediatric heart muscle dysfunction.

Keywords:
Exome sequencingMutationPediatricSarcomere

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