Genes in panel

Fetal anomalies

Gene: AP4M1

Amber List (moderate evidence)

AP4M1 (adaptor related protein complex 4 mu 1 subunit)
EnsemblGeneIds (GRCh38): ENSG00000221838
EnsemblGeneIds (GRCh37): ENSG00000221838
OMIM: 602296, Gene2Phenotype
AP4M1 is in 8 panels

3 reviews

Achchuthan Shanmugasundram (Genomics England Curator)

This gene and phenotype were reviewed during meetings between November 2023 & July 2024. The meetings included representatives of the North Thames and Central & South R21 testing GLHs and from the R21 Clinical Oversight Group. Clinical review and curation was performed by Natalie Chandler, Alison Male and Lyn Chitty (North Thames GLH), Stephanie Allen, Natalie Bibb, Esther Kinning and Denise Williams (Central & South GLH) and Natalie Canham, Anna De Burca and Samantha Doyle R21 Clinical Oversight Group.
Created: 29 Aug 2024, 8:33 p.m. | Last Modified: 29 Aug 2024, 8:33 p.m.
Panel Version: 4.36

Natalie Bibb (C&S GLH)

I don't know

Spasticity, Microcephaly , Seizures, Cerebellar atrophy, Thin corpus callosum, Ventriculomegaly, White matter lesions, Decreased myelin. Green on Childhood and adult HSP, Amber on severe microcephaly. PMID:32979048 -30 unrelated families, some with multiple affected members bialleleic homozyogus or compound heterozygotes (this study includes individuals previoulsy reported families of some of the PMID ID's below). PMID:19559397: Prenatal ultrasound of patient IV-6 - ventricle dilatation in the 20th week.PMID:28464862 report of prenatal onset of severe congenital microcephaly. PMID:31915823 - 3 individuals functional analysis AP-4 deficiency in fibroblasts and neurons. PMID:29096665: one Greek family, 3 affected offspring. ?Amber watch list for microcephaly panel. Amber more evidence of prenatal pheotype required. Potential for isolated microcephaly if included
Created: 29 Aug 2024, 8:07 p.m. | Last Modified: 29 Aug 2024, 8:07 p.m.
Panel Version: 4.35

Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal

Phenotypes
Spastic paraplegia 50, autosomal recessive, OMIM:612936

Publications

Rebecca Foulger (Genomics England curator)

I don't know

DDG2P rating in original PAGE list: Probable for CEREBRAL PALSY SPASTIC QUADRIPLEGIC TYPE 3
Created: 11 Dec 2018, 9:04 a.m.

Details

Mode of Inheritance
BIALLELIC, autosomal or pseudoautosomal
Sources
  • Expert Review Amber
  • PAGE DD-Gene2Phenotype
Phenotypes
  • Spastic paraplegia 50, autosomal recessive, OMIM:612936
OMIM
602296
Clinvar variants
Variants in AP4M1
Penetrance
None
Publications
Panels with this gene

History Filter Activity

30 Aug 2024, Gel status: 2

Set Phenotypes

Achchuthan Shanmugasundram (Genomics England Curator)

Phenotypes for gene: AP4M1 were changed from CEREBRAL PALSY SPASTIC QUADRIPLEGIC TYPE 3 to Spastic paraplegia 50, autosomal recessive, OMIM:612936

30 Aug 2024, Gel status: 2

Set publications

Achchuthan Shanmugasundram (Genomics England Curator)

Publications for gene: AP4M1 were set to

8 Nov 2018, Gel status: 2

Created, Added New Source, Set mode of inheritance, Set Phenotypes

Rebecca Foulger (Genomics England curator)

gene: AP4M1 was added gene: AP4M1 was added to Fetal anomalies. Sources: PAGE DD-Gene2Phenotype,Expert Review Amber Mode of inheritance for gene: AP4M1 was set to BIALLELIC, autosomal or pseudoautosomal Phenotypes for gene: AP4M1 were set to CEREBRAL PALSY SPASTIC QUADRIPLEGIC TYPE 3