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Repeat Disorders v0.267 THAP11_SCA51_CAG Bryony Thompson edited their review of STR: THAP11_SCA51_CAG: Changed publications: 15368101, 24677642, 34165550, 38113319, 40459937, 39651830, 37148549
Repeat Disorders v0.267 THAP11_SCA51_CAG Bryony Thompson Publications for STR: THAP11_SCA51_CAG were set to 15368101; 24677642; 34165550; 38113319; 40459937; 39651830
Repeat Disorders v0.266 THAP11_SCA51_CAG Bryony Thompson changed review comment from: 7 individuals from 2 Chinese families with SCA (1 was pre-ataxic) and a THAP11 CAG (polyQ) expansion. 45 repeats was the lowest number of repeats in an affected individual. A 46/29 CAG THAP11 genotype has also been identified in an individual with ataxia of European ancestry, that also had a CACNA1A pathogenic expansion which causes SCA6. Analysis of the 1000 genomes cohort (n=2504), suggests a normal range between 19-39. Also, a supporting mouse model and functional assays support a toxic aggregation mechanism of disease.
Further probands/families are required to confirm the gene-disease association.
Sources: Other; to: 7 individuals from 2 Chinese families with SCA (1 was pre-ataxic) and a THAP11 CAG (polyQ) expansion. 45 repeats was the lowest number of repeats in an affected individual and the number of CAA interruptions had been reduced from 5/6 to 3. Expanded alleles have been identified in individuals with neurodevelopmental phenotypes, other neurodegenerative phenotypes, and an individual with ataxia who also had a CACNA1A (SCA6) pathogenic expansion. However, all these individuals had 5/6 CAA interruptions instead of 3 that were reported in the initial Chinese families. Suggesting the number of CAA interruptions is associated with pathogenicity of the repeat expansion. Analysis of the 1000 genomes cohort (n=2504), suggests a normal range between 19-39. Also, a supporting mouse model and functional assays support a toxic aggregation mechanism of disease. Further probands/families are required to confirm the gene-disease association.
Sources: Other
Repeat Disorders v0.266 THAP11_SCA51_CAG Bryony Thompson Phenotypes for STR: THAP11_SCA51_CAG were changed from Spinocerebellar ataxia 51, MIM# 620947 to Spinocerebellar ataxia 51 MONDO:0975800
Repeat Disorders v0.265 THAP11_SCA51_CAG Bryony Thompson edited their review of STR: THAP11_SCA51_CAG: Changed publications: 15368101, 24677642, 34165550, 38113319, 40459937, 39651830; Changed phenotypes: Spinocerebellar ataxia 51 MONDO:0975800
Repeat Disorders v0.265 THAP11_SCA51_CAG Bryony Thompson Publications for STR: THAP11_SCA51_CAG were set to 15368101; 24677642; 34165550; 38113319; 37148549; 39651830
Repeat Disorders v0.260 THAP11_SCA51_CAG Bryony Thompson Publications for STR: THAP11_SCA51_CAG were set to 15368101; 24677642; 34165550; 38113319; 37148549
Repeat Disorders v0.259 THAP11_SCA51_CAG Bryony Thompson Publications for STR: THAP11_SCA51_CAG were set to 15368101; 24677642; 34165550; 38113319
Repeat Disorders v0.256 THAP11_SCA51_CAG Bryony Thompson THAP11_SCA_CAG was changed to THAP11_SCA51_CAG