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BabyScreen+ newborn screening v1.114 FOLR1 Tommy Li Added phenotypes Neurodegeneration due to cerebral folate transport deficiency, MIM# 613068 for gene: FOLR1
Publications for gene FOLR1 were updated from 19732866; 30420205; 27743887 to 30420205; 27743887; 19732866
BabyScreen+ newborn screening v0.1952 FOLR1 Zornitza Stark Marked gene: FOLR1 as ready
BabyScreen+ newborn screening v0.1952 FOLR1 Zornitza Stark Gene: folr1 has been classified as Green List (High Evidence).
BabyScreen+ newborn screening v0.1952 FOLR1 Zornitza Stark Classified gene: FOLR1 as Green List (high evidence)
BabyScreen+ newborn screening v0.1952 FOLR1 Zornitza Stark Gene: folr1 has been classified as Green List (High Evidence).
BabyScreen+ newborn screening v0.1951 FOLR1 Zornitza Stark gene: FOLR1 was added
gene: FOLR1 was added to Baby Screen+ newborn screening. Sources: Expert list
treatable, metabolic tags were added to gene: FOLR1.
Mode of inheritance for gene: FOLR1 was set to BIALLELIC, autosomal or pseudoautosomal
Publications for gene: FOLR1 were set to 19732866; 30420205; 27743887
Phenotypes for gene: FOLR1 were set to Neurodegeneration due to cerebral folate transport deficiency, MIM# 613068
Review for gene: FOLR1 was set to GREEN
Added comment: Folate is a neurotransmitter precursor. Onset is apparent in late infancy with severe developmental regression, movement disturbances, epilepsy, and leukodystrophy. Recognition and diagnosis of this disorder is critical because folinic acid therapy can reverse the clinical symptoms and improve brain abnormalities and function.

Treatment: folinic acid

Non-genetic confirmatory testing: cerebrospinal fluid 5-methyltetrahydrofolate level
Sources: Expert list