When two rights make a wrong: Combating childhood heart disease

When the body can't distinguish its right side from its left during development, a child can develop a condition called heterotaxy in which the heart is severely malformed, leading to congenital heart disease. To improve survival in these children, researchers at Yale School of Medicine sought to identify the genes that cause heterotaxy. They have shown in a new study that patients with heterotaxy have considerably more copy number variations (CNVs) on their genomes than do control patients.

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