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Congenital disorders of glycosylation v3.4 SLC37A4 Achchuthan Shanmugasundram Tag Q3_22_rating was removed from gene: SLC37A4.
Congenital disorders of glycosylation v3.4 SLC37A4 Achchuthan Shanmugasundram reviewed gene: SLC37A4: Rating: GREEN; Mode of pathogenicity: ; Publications: ; Phenotypes: ; Mode of inheritance:
Congenital disorders of glycosylation v3.3 SLC37A4 Achchuthan Shanmugasundram Source Expert Review Green was added to SLC37A4.
Source NHS GMS was added to SLC37A4.
Rating Changed from Amber List (moderate evidence) to Green List (high evidence)
Congenital disorders of glycosylation v2.85 SLC37A4 Arina Puzriakova Publications for gene: SLC37A4 were set to 32884905
Congenital disorders of glycosylation v2.84 SLC37A4 Arina Puzriakova Classified gene: SLC37A4 as Amber List (moderate evidence)
Congenital disorders of glycosylation v2.84 SLC37A4 Arina Puzriakova Added comment: Comment on list classification: New gene added by Zornitza Stark (Australian Genomics). Monoallelic variants in SLC37A4 are linked to a congenital disorder of glycosylation in OMIM (MIM# 619525) and G2P (definitive disease confidence).

At least 9 individuals from 6 unrelated families have been reported with the same heterozygous variant, c.1267C>T (p.Arg423∗), in SLC37A4. Affected subjects display a metabolic disorder characterised by liver dysfunction, coagulation deficiencies (but no signs of bleeding detected in most), and profound abnormalities in N-glycosylation of serum specific proteins.
Congenital disorders of glycosylation v2.84 SLC37A4 Arina Puzriakova Gene: slc37a4 has been classified as Amber List (Moderate Evidence).
Congenital disorders of glycosylation v2.83 SLC37A4 Arina Puzriakova Phenotypes for gene: SLC37A4 were changed from Congenital disorder of glycosylation to Congenital disorder of glycosylation, type IIw, OMIM:619525
Congenital disorders of glycosylation v2.82 SLC37A4 Arina Puzriakova Tag Q3_22_rating tag was added to gene: SLC37A4.
Congenital disorders of glycosylation v2.70 SLC37A4 Zornitza Stark edited their review of gene: SLC37A4: Changed rating: GREEN
Congenital disorders of glycosylation v2.70 SLC37A4 Zornitza Stark edited their review of gene: SLC37A4: Added comment: PMID 33964207: 7 patients from 4 families, additional to the two reported previously, described with the same recurrent c.1267C>T (p.R423*) variant with liver dysfunction multifactorial coagulation deficiency and cardiac issues. Serum samples from affected individuals showed profound accumulation of both high mannose and hybrid type N-glycans. Hepatoma cell-line studies support the pathogenicity of the variant.; Changed publications to: 32884905, 33964207
Congenital disorders of glycosylation v2.18 SLC37A4 Zornitza Stark gene: SLC37A4 was added
gene: SLC37A4 was added to Congenital disorders of glycosylation. Sources: Literature
Mode of inheritance for gene: SLC37A4 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for gene: SLC37A4 were set to 32884905
Phenotypes for gene: SLC37A4 were set to Congenital disorder of glycosylation
Review for gene: SLC37A4 was set to RED
Added comment: Bi-allelic LOF variants in this gene cause glycogen storage disorder.

Single individual reported with heterozygous de novo variant in this gene. Clinical features included dysmorphic features (low set ears, a broad nose, mandibular micrognathia and facial asymmetry) and hepatopathy. The variant abolishes the ER retention signal of the transporter and generates a weak Golgi retention signal. Intracellular mislocalization of the transporter is postulated to lead to a congenital disorder of glycosylation instead of glycogen storage disease.
Sources: Literature