Adult onset neurodegenerative disorder
Gene: GCH1Comment on phenotypes: Previous phenotypes:
Dopa-Responsive Dystonia (DRD);progressive spastic paraplegia;Dystonia;Hyperphenylalaninemia, BH4-deficient, B, 233910;Dystonia, DOPA-responsive, with or without hyperphenylalaninemia, 128230;Spastic paraplegiaCreated: 29 Mar 2021, 10 a.m. | Last Modified: 29 Mar 2021, 10 a.m.
Panel Version: 2.88
dopa-responsive dystonia, appears to have onset in childhood?Created: 2 Sep 2019, 4:06 p.m. | Last Modified: 2 Sep 2019, 4:06 p.m.
Panel Version: 1.99
Mode of inheritance
BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Phenotypes
Dopa-Responsive Dystonia (DRD); progressive spastic paraplegia; Dystonia; Hyperphenylalaninemia, BH4-deficient, B, 233910; Dystonia, DOPA-responsive, with or without hyperphenylalaninemia, 128230; Spastic paraplegia
Some evidence of an associatiuon with ParkinsonismCreated: 23 Jul 2019, 3:35 p.m. | Last Modified: 23 Jul 2019, 3:35 p.m.
Panel Version: 1.72
Mode of inheritance
BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Phenotypes
Dopa-Responsive Dystonia (DRD); progressive spastic paraplegia; Dystonia; Hyperphenylalaninemia, BH4-deficient, B, 233910; Dystonia, DOPA-responsive, with or without hyperphenylalaninemia, 128230; Spastic paraplegia
Publications
Variants in this GENE are reported as part of current diagnostic practice
As discussed with the GMS Neurology Specialist Test Group webex call11th September 2019 : The Specialist Test Group all agreed that there is enough evidence to rate this gene GreenCreated: 20 Sep 2019, 4:19 p.m. | Last Modified: 20 Sep 2019, 4:19 p.m.
Panel Version: 1.106
Review and rating from Tracy Lester (Oxford Medical Genetics Laboratories Oxford University Hospitals NHS Foundation Trust) on behalf of Wessex and West Midlands GLH for GMS Neurology specialist test group. All the green and amber, except for the genes with triplet repeats, were reviewed.Created: 2 Sep 2019, 4:46 p.m. | Last Modified: 2 Sep 2019, 4:46 p.m.
Panel Version: 1.101
Review and rating submitted by Nick Beauchamp (Sheffield Diagnostic genetics Service), on behalf of Yorkshire and North East GLH for GMS Neurology specialist test group.Created: 23 Jul 2019, 3:51 p.m. | Last Modified: 23 Jul 2019, 3:51 p.m.
Panel Version: 1.74
Review and rating submitted byJames Polke (North Bristol NHS Trust), unless specified in the review comment, on behalf of London North GLH for GMS Neurology specialist test group.Created: 23 Apr 2019, 5:35 p.m.
Review and rating from Anthony Dallosso (Bristol Genetics Laboratory), submitted by Natalie Forrester (SWGLH - Bristol Genetics) on behalf of South West GLH for GMS Neurology specialist test group.Created: 23 Apr 2019, 3:05 p.m.
Green in 2/7 subpanelsCreated: 23 Apr 2019, 2:42 p.m.
Mode of inheritance
BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Phenotypes
Dopa-Responsive Dystonia (DRD); progressive spastic paraplegia; Dystonia; Hyperphenylalaninemia, BH4-deficient, B, 233910; Dystonia, DOPA-responsive, with or without hyperphenylalaninemia, 128230; Spastic paraplegia
Phenotypes for gene: GCH1 were changed from Dopa-Responsive Dystonia (DRD); progressive spastic paraplegia; Dystonia; Hyperphenylalaninemia, BH4-deficient, B, 233910; Dystonia, DOPA-responsive, with or without hyperphenylalaninemia, 128230; Spastic paraplegia to Dystonia, DOPA-responsive, with or without hyperphenylalaninemia, OMIM:128230; Hyperphenylalaninemia, BH4-deficient, B, OMIM:233910; Spastic paraplegia
Publications for gene: GCH1 were set to 25497597; http://www.ncbi.nlm.nih.gov/books/NBK1155/; 24509643; 24993959; 21935284
Source Expert Review Green was added to GCH1. Rating Changed from Amber List (moderate evidence) to Green List (high evidence)
Source Wessex and West Midlands GLH was added to GCH1.
Publications for gene GCH1 were changed from 24509643; 21935284; http://www.ncbi.nlm.nih.gov/books/NBK1155/ to 25497597; http://www.ncbi.nlm.nih.gov/books/NBK1155/; 24509643; 24993959; 21935284
Source Yorkshire and North East GLH was added to GCH1.
Source London North GLH was added to GCH1.
Source NHS GMS was added to GCH1.
Source South West GLH was added to GCH1.
Rebecca Foulger: Gene awaiting curator evaluati
Source Expert Review Amber was added to GCH1. Added phenotypes Dystonia; Dystonia, DOPA-responsive, with or without hyperphenylalaninemia, 128230; progressive spastic paraplegia; Spastic paraplegia for gene: GCH1 Rating Changed from Green List (high evidence) to Amber List (moderate evidence)
Added phenotypes Hyperphenylalaninemia, BH4-deficient, B, 233910; Dystonia, DOPA-responsive, with or without hyperphenylalaninemia, 128230; Dopa-Responsive Dystonia (DRD) for gene: GCH1
gene: GCH1 was added gene: GCH1 was added to Neurodegenerative disorders - adult onset. Sources: Expert Review Green Mode of inheritance for gene: GCH1 was set to BOTH monoallelic and biallelic, autosomal or pseudoautosomal Publications for gene: GCH1 were set to 24509643; 21935284; http://www.ncbi.nlm.nih.gov/books/NBK1155/ Phenotypes for gene: GCH1 were set to Hyperphenylalaninemia, BH4-deficient, B, 233910; Dystonia, DOPA-responsive, with or without hyperphenylalaninemia, 128230; Dopa-Responsive Dystonia (DRD)