Childhood onset hereditary spastic paraplegia
STR: ATXN1_CAGGRCh37 Position: 16327867-16327953
GRCh38 Position: 16327636-16327722
Repeated Sequence: CAG
Normal Number of Repeats: < 36
Pathogenic Number of Repeats: = or > 45
ATXN1 (ataxin 1)
EnsemblGeneIds (GRCh38): ENSG00000124788
EnsemblGeneIds (GRCh37): ENSG00000124788
OMIM: 601556, Gene2Phenotype
ATXN1 is in 0 panels
3 reviews
Ivone Leong (Genomics England Curator)
STR repeat lengths have been reviewed and confirmed by the NHS Genomic Medicine Service.Created: 15 Mar 2022, 11:42 a.m. | Last Modified: 15 Mar 2022, 11:42 a.m.
Panel Version: 2.130
Arianna Tucci (Genomics England Curator)
Onset is normally in the 3rd or 4th decade, but childhood onset has been reportedCreated: 26 Feb 2019, 11 a.m.
Louise Daugherty (Genomics England Curator)
Comment on list classification: STR reviewed and discussed at the GMS Neurology Specialist Test Group Webex on 17th May Agreed to change the rating from Green to Amber.Created: 22 May 2019, 11:10 a.m.
Green rating for STR submitted on behalf of James Polke (North Bristol NHS Trust), on behalf of London North GLH for GMS Neurology specialist test group.Created: 28 Apr 2019, 4:20 p.m.
Source PanelApp panels : Hereditary spastic paraplegia Version 1.141
Sources: Expert listCreated: 21 Dec 2018, 1:40 p.m.
Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Phenotypes
Spinocerebellar ataxia 1 164400
Details
- Name
- ATXN1_CAG
- Chromosome
- 6
- GRCh37 Coordinates
- 16327867-16327953
- GRCh38 Coordinates
- 16327636-16327722
- Repeated Sequence
- CAG
- Normal Number of Repeats: <
- 36
- Pathogenic Number of Repeats: = or >
- 45
- Mode of Inheritance
- MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
- Sources
-
- NHS GMS
- Expert Review Amber
- Expert list
- Phenotypes
-
- Spinocerebellar ataxia 1, OMIM:164400
- Tags
- OMIM
- 601556
- Clinvar variants
- Variants in ATXN1
- Penetrance
- None
History Filter Activity
Changed Normal Number of Repeats, Changed Pathogenic Number of Repeats, Added New Source
Arina Puzriakova (Genomics England Curator)Normal Number of Repeats for ATXN1_CAG was changed from 35 to 36. Pathogenic Number of Repeats for ATXN1_CAG was changed from 44 to 45. Source NHS GMS was added to STR: ATXN1_CAG.
Set Phenotypes
Arina Puzriakova (Genomics England Curator)Phenotypes for STR: ATXN1_CAG were changed from Spinocerebellar ataxia 1 164400 to Spinocerebellar ataxia 1, OMIM:164400
Entity classified by Genomics England curator
Louise Daugherty (Genomics England Curator)Str: atxn1_cag has been classified as Amber List (Moderate Evidence).
Panel promoted to version 1.0
Louise Daugherty (Genomics England Curator)Louise Daugherty: Source PanelApp panels : Hered
Entity classified by Genomics England curator
Louise Daugherty (Genomics England Curator)Str: atxn1_cag has been classified as Green List (High Evidence).
Created, Added New Source, Added Tag, Set mode of inheritance, Set Phenotypes
Louise Daugherty (Genomics England Curator)STR: ATXN1_CAG was added STR: ATXN1_CAG was added to Hereditary spastic paraplegia - childhood onset. Sources: Expert list STR tags were added to STR: ATXN1_CAG. Mode of inheritance for STR: ATXN1_CAG was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted Phenotypes for STR: ATXN1_CAG were set to Spinocerebellar ataxia 1 164400 Review for STR: ATXN1_CAG was set to GREEN