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Intellectual disability

Gene: AP1S2

Green List (high evidence)

AP1S2 (adaptor related protein complex 1 sigma 2 subunit)
EnsemblGeneIds (GRCh38): ENSG00000182287
EnsemblGeneIds (GRCh37): ENSG00000182287
OMIM: 300629, Gene2Phenotype
AP1S2 is in 15 panels

4 reviews

Arina Puzriakova (Genomics England Curator)

Comment on mode of inheritance: Review of literature did not reveal any confirmed affected females. Female carriers of AP1S2 variants are phenotypically normal and have mostly shown random X-inactivation. Huo et al., 2019 (PMID: 30714330) state that they identified a female patient (I-1) but this individual was not available for genetic testing and so it is unclear whether they harboured a variant on a one or both alleles.

As no confirmed female cases have been reported and the allelic requirement remains elusive, the MOI should be set to the default XL (i.e. monoallelic in females may cause disease) as this will ensure that both mono and biallelic variants are picked up in females by the pipeline.
Created: 18 Oct 2021, 11:55 a.m. | Last Modified: 18 Oct 2021, 11:55 a.m.
Panel Version: 3.1369

Caroline Wright (Sanger)

Green List (high evidence)

Mode of inheritance
X-LINKED: hemizygous mutation in males, biallelic mutations in females

Phenotypes
MENTAL RETARDATION X-LINKED TYPE 59 (MRX59)

Publications

BRIDGE consortium (NIHRBR-RD)

Green List (high evidence)

This is a pertinent gene from the NIHR BioResource - Rare Diseases Study (NIHRBR-RD) BRIDGE Study : SPEED (Specialist Pathology: Evaluating Exomes in Diagnostics) which covers epilepsies, movement and microcephaly disorders, this gene is on the SPEED_NEURO_20170705 gene list. Evidences used for SPEED NEURO gene list: in_ddg2p_20141118_conf;in_ddg2p_20141118_conf;in_ddg2p_201507;in_ddg2p_201507_conf;in_ddg2p_2_4_2017;in_ddg2p_2_4_2017_conf;in_gilissen_2014_known . Main mutation mechanism : Loss of function
Created: 27 Jul 2017, 5:04 p.m.
Evidences key, gene present in following gene lists and main mutation mechanism : ddg2p_20141118; ddg2p_20141118_conf; ddg2p_201507; ddg2p_201507_conf; find_uk10k; gilissen_2014_known; sfari_20150206; Nijmegen_ID_diagnostic; Nijmegen_ID_candidates; gonzalez_mantilla_2016; GEL_ID_green_20160217; neuro_20160418_strict; Loss of function. This is a pertinent gene from the BRIDGE Study : SPEED (Specialist Pathology: Evaluating Exomes in Diagnostics) which covers epilepsies, movement and microcephaly disorders, this gene comes from the SPEED_NEURO_v3.0_20170404 gene list. The following experts from the BRIDGE consortium NIHRBR-RD contributed to this panel: - Professor F. Lucy Raymond, Cambridge Institute for Medical Research, University of Cambridge - Manju Kurian, Paediatric neurologist, Great Ormond Street Hosptial - Keren Carss, NIHR BioResource - Rare Diseases, Cambridge University Hospitals NHS Foundation Trust - Alba Sanchis-Juan, NIHR BioResource - Rare Diseases, Cambridge University Hospitals NHS Foundation Trust - Marie Erwood NIHR BioResource - Rare Diseases, Cambridge University Hospitals NHS Foundation Trust - Louise Daugherty, NIHR BioResource - Rare Diseases, Cambridge University Hospitals NHS Foundation Trust
Created: 19 Jul 2017, 11:59 a.m.

Mode of inheritance
X-LINKED: hemizygous mutation in males, biallelic mutations in females

Publications

Lu Raymond (university of cambridge )

Green List (high evidence)

History Filter Activity

18 Oct 2021, Gel status: 3

Set publications

Arina Puzriakova (Genomics England Curator)

Publications for gene: AP1S2 were set to

18 Oct 2021, Gel status: 3

Set mode of inheritance

Arina Puzriakova (Genomics England Curator)

Mode of inheritance for gene: AP1S2 was changed from X-LINKED: hemizygous mutation in males, biallelic mutations in females to X-LINKED: hemizygous mutation in males, biallelic mutations in females

18 Oct 2021, Gel status: 3

Added Tag

Arina Puzriakova (Genomics England Curator)

Tag Q4_21_MOI tag was added to gene: AP1S2.

18 Oct 2021, Gel status: 3

Set Phenotypes

Arina Puzriakova (Genomics England Curator)

Phenotypes for gene: AP1S2 were changed from Mental retardation, X-linked syndromic, Fried type, 300630; MENTAL RETARDATION X-LINKED TYPE 59 (MRX59) to Pettigrew syndrome, OMIM:304340

28 Sep 2018, Gel status: 4

Added New Source

Louise Daugherty (Genomics England Curator)

Source Victorian Clinical Genetics Services was added to AP1S2.

12 Mar 2018, Gel status: 3

Panel promoted to version 2.0

Ellen McDonagh (Genomics England Curator)

12.03.2018: Due to major updates completed (Phase 1, 2 and 3), this panel was promoted to Version 2 in order to reflect the major updates since November 2017 which have resulted in reviews for 836 genes added by Genomics England Curators and the Clinical Team, 130 new Green genes added to the interpretation pipeline (from 751 to 881 Green genes), and the gene total has increased from 1879 to 1927.

13 Nov 2015, Gel status: 4

gel status update

GEL ()

The Gel status was updated for this whole panel

13 Nov 2015, Gel status: 4

gel status update

GEL ()

The Gel status was updated for this whole panel

13 Nov 2015, Gel status: 2

Set Mode of Inheritance, Added New Source

Ellen McDonagh (Genomics England Curator)

AP1S2 was added to Intellectual disabilitypanel. Source: Expert Review Green Model of inheritance for gene AP1S2 was set to X-LINKED: hemizygous mutation in males, biallelic mutations in females

24 Jun 2015, Gel status: 2

Set Mode of Inheritance

Ellen McDonagh (Genomics England Curator)

Model of inheritance for gene AP1S2 was changed to X-LINKED: hemizygous mutation in males, may be caused by monoallelic mutations in females

24 Jun 2015, Gel status: 2

Added New Source

Ellen McDonagh (Genomics England Curator)

AP1S2 was added to Intellectual disabilitypanel. Sources: Emory Genetics Laboratory,Radboud University Medical Center, Nijmegen

24 Jun 2015, Gel status: 1

Added New Source

Ellen McDonagh (Genomics England Curator)

AP1S2 was added to Intellectual disabilitypanel. Sources: Emory Genetics Laboratory,Radboud University Medical Center, Nijmegen