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Repeat Disorders v0.146 TOF Zornitza Stark Tag paediatric-onset tag was added to STR: TOF.
Repeat Disorders v0.138 TOF Bryony Thompson Marked STR: TOF as ready
Repeat Disorders v0.138 TOF Bryony Thompson Str: tof has been classified as Green List (High Evidence).
Repeat Disorders v0.138 TOF Bryony Thompson Classified STR: TOF as Green List (high evidence)
Repeat Disorders v0.138 TOF Bryony Thompson Str: tof has been classified as Green List (High Evidence).
Repeat Disorders v0.137 TOF Bryony Thompson STR: TOF was added
STR: TOF was added to Repeat Disorders. Sources: Literature
Mode of inheritance for STR: TOF was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for STR: TOF were set to 19948535; 11748311
Phenotypes for STR: TOF were set to Tetralogy of Fallot MIM#187500
Review for STR: TOF was set to GREEN
STR: TOF was marked as clinically relevant
Added comment: Poly-alanine tract expansion. In vitro functional assays demonstrated the expansion lead to protein aggregation in cells. Two unrelated cases reported with 25 repeats, one case with isolated interrupted aortic arch and one case with scoliosis, facial asymmetry, upslanting
palpebral fissures, absent PV, isolated left pulmonary artery (expected de novo - excluded in mother and father not available for testing). Other variant types cause disease in this gene.
Sources: Literature
Repeat Disorders v0.83 FTDALS Bryony Thompson STR: FTDALS was added
STR: FTDALS was added to Repeat Disorders. Sources: Expert list
Mode of inheritance for STR: FTDALS was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for STR: FTDALS were set to 25577942; 21944779; 21944778
Phenotypes for STR: FTDALS were set to Frontotemporal dementia and/or amyotrophic lateral sclerosis 1 MIM#105550
Review for STR: FTDALS was set to GREEN
STR: FTDALS was marked as clinically relevant
Added comment: NG_031977​.1:g.5321GGGGCC[X]
Repeat expansion affects the protein degradation pathways and may contribute to TDP‐43 accumulation
Normal alleles: ≤25 G4C2 hexanucleotide repeat units generally considered normal
Pathogenic high-penetrance alleles: ≥60 G4C2 hexanucleotide repeat units are considered pathogenic
Note: The minimal size of a G4C2 pathogenic repeat is under debate: some studies consider repeats of >30 G4C2 hexanucleotide repeat units as pathogenic, whereas others use a cutoff of 60 G4C2 hexanucleotide repeat units.
Sources: Expert list