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Repeat Disorders v0.146 CANVAS_ACAGG Zornitza Stark Marked STR: CANVAS_ACAGG as ready
Repeat Disorders v0.146 CANVAS_ACAGG Zornitza Stark Str: canvas_acagg has been classified as Amber List (Moderate Evidence).
Repeat Disorders v0.146 CANVAS_ACAGG Zornitza Stark Tag adult-onset tag was added to STR: CANVAS_ACAGG.
Repeat Disorders v0.123 CANVAS Zornitza Stark Tag adult-onset tag was added to STR: CANVAS.
Repeat Disorders v0.103 CANVAS_ACAGG Bryony Thompson Classified STR: CANVAS_ACAGG as Amber List (moderate evidence)
Repeat Disorders v0.103 CANVAS_ACAGG Bryony Thompson Added comment: Comment on list classification: Used the pathogenic cut-off of 400 repeats from original CANVAS repeat
Repeat Disorders v0.103 CANVAS_ACAGG Bryony Thompson Str: canvas_acagg has been classified as Amber List (Moderate Evidence).
Repeat Disorders v0.102 CANVAS_ACAGG Bryony Thompson STR: CANVAS_ACAGG was added
STR: CANVAS_ACAGG was added to Repeat Disorders. Sources: Literature
Mode of inheritance for STR: CANVAS_ACAGG was set to BIALLELIC, autosomal or pseudoautosomal
Publications for STR: CANVAS_ACAGG were set to 33237689; 32694621; 33103729
Phenotypes for STR: CANVAS_ACAGG were set to Cerebellar ataxia, neuropathy, and vestibular areflexia syndrome; fasciculations; elevated serum creatine kinase levels; denervation
Review for STR: CANVAS_ACAGG was set to AMBER
Added comment: A novel RFC1 repeat expansion motif, (ACAGG)exp, identified in three affected individuals from 2 families in an Asian-Pacific cohort and one Japanese individual for CANVAS. Southern blot was used to identify the repeat was ~1000kb in one of the cases, equivalent to ~1000 repeats.
Sources: Literature
Repeat Disorders v0.101 CANVAS Bryony Thompson Marked STR: CANVAS as ready
Repeat Disorders v0.101 CANVAS Bryony Thompson Str: canvas has been classified as Green List (High Evidence).
Repeat Disorders v0.101 CANVAS Bryony Thompson Classified STR: CANVAS as Green List (high evidence)
Repeat Disorders v0.101 CANVAS Bryony Thompson Str: canvas has been classified as Green List (High Evidence).
Repeat Disorders v0.100 CANVAS Bryony Thompson STR: CANVAS was added
STR: CANVAS was added to Repeat Disorders. Sources: Expert list
Mode of inheritance for STR: CANVAS was set to BIALLELIC, autosomal or pseudoautosomal
Publications for STR: CANVAS were set to 30926972; 32851396; 33237689; 31230722
Phenotypes for STR: CANVAS were set to Cerebellar ataxia, neuropathy, and vestibular areflexia syndrome MIM#614575
Review for STR: CANVAS was set to GREEN
STR: CANVAS was marked as clinically relevant
Added comment: NM_001204747​.1:c.132+2923_2927AAAAG[X]
Simple tandem repeat (AAAAG)n replaced with (AAGGG)n in intron 2 of RFC1. Loss of function is not the mechanism of disease. Maori population-specific CANVAS configuration (AAAGG)10-25(AAGGG)exp. (AAAGG)n repeat alone is not pathogenic. Mechanism of disease is unknown.
Normal: AAAAG 11 repeats (allele frequency = 0.75); AAAAG 12-200 (allele frequency = 0.13); AAAGG 40-1000 (allele frequency = 0.08)
Pathogenic: AAGGG repeat expansion, most frequently ranging from 400 to more than 2000 repeats (allele frequency = 0.01-0.04)
Sources: Expert list