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Aminoacidopathy v1.18 GATM Sangavi Sivagnanasundram gene: GATM was added
gene: GATM was added to Aminoacidopathy. Sources: ClinGen
Mode of inheritance for gene: GATM was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: GATM were set to 26490222; 23770102; 12468279; 27233232
Phenotypes for gene: GATM were set to AGAT deficiency MONDO:0012996
Review for gene: GATM was set to GREEN
Added comment: Classified Definitive by ClinGen Aminoacidopathy GCEP on 08/03/2019 - https://search.clinicalgenome.org/CCID:004930

AGAT deficiency is an inborn error of creatine metabolism.
Well established gene-disease association with evidence of segregation between affected individuals. LoF is the mechanism of disease
Sources: ClinGen
Aminoacidopathy v1.10 AGA Zornitza Stark reviewed gene: AGA: Rating: GREEN; Mode of pathogenicity: None; Publications: ; Phenotypes: Canavan disease MONDO:0010079; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Aminoacidopathy v1.10 AGA Zornitza Stark Marked gene: AGA as ready
Aminoacidopathy v1.10 AGA Zornitza Stark Gene: aga has been classified as Green List (High Evidence).
Aminoacidopathy v1.10 AGA Zornitza Stark Classified gene: AGA as Green List (high evidence)
Aminoacidopathy v1.10 AGA Zornitza Stark Gene: aga has been classified as Green List (High Evidence).
Aminoacidopathy v1.9 AGA Sangavi Sivagnanasundram gene: AGA was added
gene: AGA was added to Aminoacidopathy. Sources: ClinGen
Mode of inheritance for gene: AGA was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: AGA were set to 8252036, 20301412
Phenotypes for gene: AGA were set to Canavan disease MONDO:0010079
Added comment: Classified Definitive by ClinGen Aminoacidopathy GCEP on 08/10/2020 - https://search.clinicalgenome.org/CCID:004188

Canavan disease is most prevalent in the AJ population however has been reported in other individuals as well. The most common variants in AJ population are p.Glu285Ala and p.Tyr231Ter (PMID:8252036). The most common variant reported in the non-Jewish population is p.Ala305Glu (PMID:20301412). All variants have been reported as pathogenic on ClinVar with at least 2/4 stars.

Variants have been reported in >10 individuals with elevated N-acetylaspartic acid (NAA) levels and LoF is the mechanism of disease.
Sources: ClinGen