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Prepair 1000+ v1.1457 MTHFR Lauren Thomas changed review comment from: Methylenetetrahydrofolate reductase deficiency is a common inborn error of folate metabolism. The phenotypic spectrum ranges from severe neurologic deterioration and early death to asymptomatic adults.

HGNC approved symbol/name: MTHFR
Is the phenotype(s) severe and onset <18yo? Yes
Known technical challenges? No
Gene reported in 3 independent families: Yes ; to: Methylenetetrahydrofolate reductase deficiency is a common inborn error of folate metabolism. The phenotypic spectrum ranges from severe neurologic deterioration and early death to asymptomatic adults.

HGNC approved symbol/name: MTHFR
Is the phenotype(s) severe and onset <18yo? Yes
Known technical challenges? No
Gene reported in 3 independent families: Yes

NOTE: there are two very common variants in this gene that are not associated with severe disease (665C>T & 1286A>C)
Prepair 1000+ v1.1396 MTHFR Zornitza Stark Marked gene: MTHFR as ready
Prepair 1000+ v1.1396 MTHFR Zornitza Stark Gene: mthfr has been classified as Green List (High Evidence).
Prepair 1000+ v1.1396 MTHFR Zornitza Stark Phenotypes for gene: MTHFR were changed from Homocystinuria due to MTHFR deficiency, 236250 (3) to Homocystinuria due to MTHFR deficiency, MIM# 236250
Prepair 1000+ v1.1395 MTHFR Zornitza Stark Publications for gene: MTHFR were set to
Prepair 1000+ v1.1367 MTHFR Lauren Thomas changed review comment from: Methylenetetrahydrofolate reductase deficiency is a common inborn error of folate metabolism. The phenotypic spectrum ranges from severe neurologic deterioration and early death to asymptomatic adults.

HGNC approved symbol/name: MTHFR
Is the phenotype(s) severe and onset <18yo? Yes
Known technical challenges? No
Gene reported in 3 independent families: Yes

NOTE: common variants not associated with severe disease are not reported; to: Methylenetetrahydrofolate reductase deficiency is a common inborn error of folate metabolism. The phenotypic spectrum ranges from severe neurologic deterioration and early death to asymptomatic adults.

HGNC approved symbol/name: MTHFR
Is the phenotype(s) severe and onset <18yo? Yes
Known technical challenges? No
Gene reported in 3 independent families: Yes
Prepair 1000+ v1.1367 MTHFR Lauren Thomas reviewed gene: MTHFR: Rating: GREEN; Mode of pathogenicity: None; Publications: 25024447, 8456826; Phenotypes: Homocystinuria due to MTHFR deficiency, MIM# 236250; Mode of inheritance: BIALLELIC, autosomal or pseudoautosomal
Prepair 1000+ v1.3 MTHFR Seb Lunke Added phenotypes Homocystinuria due to MTHFR deficiency, 236250 (3) for gene: MTHFR
Prepair 1000+ v0.0 MTHFR Zornitza Stark gene: MTHFR was added
gene: MTHFR was added to Reproductive Carrier Screen_VCGS. Sources: Mackenzie's Mission,Expert Review Green
Mode of inheritance for gene: MTHFR was set to BIALLELIC, autosomal or pseudoautosomal
Phenotypes for gene: MTHFR were set to Homocystinuria due to MTHFR deficiency, 236250 (3)