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Ataxia - adult onset v0.103 SCA31 Bryony Thompson Classified STR: SCA31 as Green List (high evidence)
Ataxia - adult onset v0.103 SCA31 Bryony Thompson Str: sca31 has been classified as Green List (High Evidence).
Ataxia - adult onset v0.102 SCA31 Bryony Thompson STR: SCA31 was added
STR: SCA31 was added to Ataxia - adult onset. Sources: Literature
STR tags were added to STR: SCA31.
Mode of inheritance for STR: SCA31 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Publications for STR: SCA31 were set to 19878914; 31755042
Phenotypes for STR: SCA31 were set to Spinocerebellar ataxia 31 MIM#117210
Review for STR: SCA31 was set to GREEN
Added comment: Complex repeat insertion (TGGAA)n, (TAGAA)n, (TAAAA)n, (TAAAATAGAA)n, TGGAA is present only in affected cases. Sequencing showed that the insertion consisted of a preceding TCAC sequence, and 3 pentanucleotide repeat components (TGGAA)n, (TAGAA)n, and (TAAAA)n in all patients tested.
2.5-3.8 KB insertion is associated with disease and RNA toxicity expected to be mechanism of disease
Normal and pathogenic cut-offs are based on animal model experiments (PMID: 31755042)
Sources: Literature