Adult onset hereditary spastic paraplegia
STR: PPP2R2B_CAGGRCh37 Position: 146258292-146258321
GRCh38 Position: 146878729-146878758
Repeated Sequence: CAG
Normal Number of Repeats: < 33
Pathogenic Number of Repeats: = or > 43
PPP2R2B (protein phosphatase 2 regulatory subunit Bbeta)
EnsemblGeneIds (GRCh38): ENSG00000156475
EnsemblGeneIds (GRCh37): ENSG00000156475
OMIM: 604325, Gene2Phenotype
PPP2R2B is in 0 panels
2 reviews
Arina Puzriakova (Genomics England Curator)
STR repeat lengths have been reviewed and confirmed by the NHS Genomic Medicine Service.Created: 15 Mar 2022, 3:41 p.m. | Last Modified: 15 Mar 2022, 3:41 p.m.
Panel Version: 1.95
Louise Daugherty (Genomics England Curator)
STR reviewed and discussed at the GMS Neurology Specialist Test Group Webex on 17th May 2019, agreed to leave rating as Green.Created: 22 May 2019, 12:16 p.m.
Amber rating and review from Chris Buxton (North Bristol NHS Trust), submitted by Natalie Forrester (SWGLH - Bristol Genetics) on behalf of South West GLH for GMS Neurology specialist test group.Created: 26 Apr 2019, 1:11 p.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
Sources: Expert listCreated: 26 Apr 2019, 12:30 p.m.
Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Phenotypes
Spinocerebellar ataxia 12 604326
Details
- Name
- PPP2R2B_CAG
- Chromosome
- 5
- GRCh37 Coordinates
- 146258292-146258321
- GRCh38 Coordinates
- 146878729-146878758
- Repeated Sequence
- CAG
- Normal Number of Repeats: <
- 33
- Pathogenic Number of Repeats: = or >
- 43
- Mode of Inheritance
- MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
- Sources
-
- NHS GMS
- South West GLH
- London North GLH
- Expert Review Green
- Expert list
- Phenotypes
-
- Spinocerebellar ataxia 12, OMIM:604326
- Tags
- OMIM
- 604325
- Clinvar variants
- Variants in PPP2R2B
- Penetrance
- None
History Filter Activity
Changed Normal Number of Repeats, Changed Pathogenic Number of Repeats
Arina Puzriakova (Genomics England Curator)Normal Number of Repeats for PPP2R2B_CAG was changed from 32 to 33. Pathogenic Number of Repeats for PPP2R2B_CAG was changed from 51 to 43.
Set Phenotypes
Arina Puzriakova (Genomics England Curator)Phenotypes for STR: PPP2R2B_CAG were changed from Spinocerebellar ataxia 12 604326 to Spinocerebellar ataxia 12, OMIM:604326
Added New Source
Louise Daugherty (Genomics England Curator)Source NHS GMS was added to STR: PPP2R2B_CAG.
Added New Source
Louise Daugherty (Genomics England Curator)Source South West GLH was added to STR: PPP2R2B_CAG.
Added New Source
Louise Daugherty (Genomics England Curator)Source London North GLH was added to STR: PPP2R2B_CAG.
Added New Source, Status Update
Louise Daugherty (Genomics England Curator)Source Expert Review Green was added to STR: PPP2R2B_CAG. Rating Changed from Red List (low evidence) to Green List (high evidence)
Created, Added New Source, Added Tag, Set mode of inheritance, Set Phenotypes
Louise Daugherty (Genomics England Curator)STR: PPP2R2B_CAG was added STR: PPP2R2B_CAG was added to Hereditary spastic paraplegia - adult onset. Sources: Expert list STR tags were added to STR: PPP2R2B_CAG. Mode of inheritance for STR: PPP2R2B_CAG was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted Phenotypes for STR: PPP2R2B_CAG were set to Spinocerebellar ataxia 12 604326 Review for STR: PPP2R2B_CAG was set to GREEN