Adult onset neurodegenerative disorder
Gene: AP4B1EnsemblGeneIds (GRCh38): ENSG00000134262
EnsemblGeneIds (GRCh37): ENSG00000134262
OMIM: 607245, Gene2Phenotype
AP4B1 is in 10 panels
4 reviews
Tracy Lester (Genetics laboratory, Oxford UK)
autosomal recessive neurodegenerative disorder characterized by neonatal hypotonia that progresses to hypertonia and spasticity and severe mental retardation with poor or absent speech development - a severe neurodegenerative disorder beginning in infancy. >3 cases but all childhood onset - red?Created: 2 Sep 2019, 4:06 p.m. | Last Modified: 2 Sep 2019, 4:06 p.m.
Panel Version: 1.99
Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal
Phenotypes
Spastic paraplegia 47, autosomal recessive
Nick Beauchamp (Sheffield Diagnostic Genetics Service)
Onset at birthCreated: 23 Jul 2019, 3:35 p.m. | Last Modified: 23 Jul 2019, 3:35 p.m.
Panel Version: 1.72
Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal
Phenotypes
Spastic paraplegia 47, autosomal recessive
Louise Daugherty (Genomics England Curator)
As discussed with the GMS Neurology Specialist Test Group webex call 11th September 2019: The Specialist Test Group all agreed that there is only enough evidence to rate this gene RedCreated: 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.
James Polke (Neurogenetics Laboratory, Institute of Neurology, London)
Details
- Mode of Inheritance
- BIALLELIC, autosomal or pseudoautosomal
- Sources
-
- Expert Review Red
- Wessex and West Midlands GLH
- Yorkshire and North East GLH
- NHS GMS
- London North GLH
- Phenotypes
-
- Spastic paraplegia 47, autosomal recessive, OMIM:614066
- Hereditary spastic paraplegia 47, MONDO:0013551
- OMIM
- 607245
- Clinvar variants
- Variants in AP4B1
- Penetrance
- None
- Publications
-
- Abou Jamra et al. (2011) i
- Panels with this gene
-
- Fetal anomalies
- Severe microcephaly
- Childhood onset hereditary spastic paraplegia
- Adult onset neurodegenerative disorder
- Hereditary spastic paraplegia
- Intellectual disability
- DDG2P
- Bilateral congenital or childhood onset cataracts
- Adult onset hereditary spastic paraplegia
- White matter disorders and cerebral calcification - narrow panel
History Filter Activity
Set Phenotypes
Arina Puzriakova (Genomics England Curator)Phenotypes for gene: AP4B1 were changed from Spastic paraplegia 47, autosomal recessive to Spastic paraplegia 47, autosomal recessive, OMIM:614066; Hereditary spastic paraplegia 47, MONDO:0013551
Added New Source, Status Update
Louise Daugherty (Genomics England Curator)Source Expert Review Red was added to AP4B1. Rating Changed from Green List (high evidence) to Red List (low evidence)
Added New Source
Louise Daugherty (Genomics England Curator)Source Wessex and West Midlands GLH was added to AP4B1.
Added New Source
Louise Daugherty (Genomics England Curator)Source Yorkshire and North East GLH was added to AP4B1.
Added New Source
Louise Daugherty (Genomics England Curator)Source NHS GMS was added to AP4B1.
Added New Source
Louise Daugherty (Genomics England Curator)Source London North GLH was added to AP4B1.
Panel promoted to version 1.0
Louise Daugherty (Genomics England Curator)Louise Daugherty: Comment on phenotypes: amended
Created, Added New Source, Set mode of inheritance, Set publications, Set Phenotypes
Rebecca Foulger (Genomics England curator)gene: AP4B1 was added gene: AP4B1 was added to Neurodegenerative disorders - adult onset. Sources: Expert Review Green Mode of inheritance for gene: AP4B1 was set to BIALLELIC, autosomal or pseudoautosomal Publications for gene: AP4B1 were set to Abou Jamra et al. (2011) i Phenotypes for gene: AP4B1 were set to Spastic paraplegia 47, autosomal recessive