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Fetal anomalies v1.210 HEY2 Ain Roesley Marked gene: HEY2 as ready
Fetal anomalies v1.210 HEY2 Ain Roesley Gene: hey2 has been classified as Red List (Low Evidence).
Fetal anomalies v1.210 HEY2 Ain Roesley gene: HEY2 was added
gene: HEY2 was added to Fetal anomalies. Sources: Literature
Mode of inheritance for gene: HEY2 was set to BOTH monoallelic and biallelic (but BIALLELIC mutations cause a more SEVERE disease form), autosomal or pseudoautosomal
Publications for gene: HEY2 were set to 32820247
Phenotypes for gene: HEY2 were set to congenital heart defects and thoracic aortic aneurysms
Review for gene: HEY2 was set to RED
gene: HEY2 was marked as current diagnostic
Added comment: A very large family affected by CHD and familial thoracic aortic aneurysms. Trio genome sequencing was carried out in an index patient with critical CHD, and family members had either exome or Sanger sequencing. Identified homozygous loss-of-function variant (c.318_319delAG, p.G108*) in HEY2 in 3 individuals in family with critical CHD, whereas the 20 heterozygous carriers show a spectrum of CVDs (CHD and FTAA, but varying expressivity and incomplete penetrance).

Other studies show that knockout of HEY2 in mice results in cardiovascular defects (CVDs), including septal defects, cardiomyopathy, a thin-walled aorta, and valve anomalies.
Sources: Literature