HAAO 3-hydroxyanthranilate 3,4-dioxygenase

Gene info

Synonyms

None

Previous symbol

None

External ID

HGNC: 4796
Entrez Gene: 23498
Ensembl: ENSG00000162882
UCSC: uc002rst.5
OMIM: 604521
UniProtKB: P46952

Disease info

Disease

None

CHD Phenotype

  • Atrial septal defect
  • Hypoplastic left heart syndrome
  • Aortic stenosis
  • Mitral stenosis
  • Tetralogy of fallot with complete atriventricular canal and pulmonary stenosis
  • Lsvc and left pulmonary artery arising from the ductus arteriosus
  • Shone syndrome with aortic coarctation

Extra Cardiac Phenotype

None

Incomplete penetrance

No

Variable expressivity

Yes

Animal model

Mouse study

Homozygous mice under dietary restriction have CHD, Metabolomic assessment of patients show disruption of NAD synthesis

MGI ID

Variant info

Clinvar

Selected variant

The Clinvar variants presented in the below IGV track were selected based on the following criteria.

  1. Variant types are single nucleotide variant or Indel
  2. Clinical significance for the variant was assessed to be Pathogenic or Likely Pathogenic
  3. ClinVar review status for the variant is criteria provided

Download annotation file for HAAO: BED file

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Selected References

  1. Shi, H., Enriquez, A., Rapadas, M., Martin, E. M. M. A., Wang, R., Moreau, J., … Dunwoodie, S. L. (2017). NAD Deficiency, Congenital Malformations, and Niacin Supplementation. New England Journal of Medicine, 377(6), 544–552. DOI:10.1056/NEJMoa1616361 PMID:28792876