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Intellectual disability

Gene: MED27

Green List (high evidence)
MED27 (mediator complex subunit 27)
EnsemblGeneIds (GRCh38): ENSG00000160563
EnsemblGeneIds (GRCh37): ENSG00000160563
OMIM: 605044, Gene2Phenotype
MED27 is in 6 panels

3 reviews

Sarah Leigh (Genomics England Curator)

The rating of this gene has been updated following NHS Genomic Medicine Service approval.
Created: 14 Mar 2022, 2:22 p.m. | Last Modified: 14 Mar 2022, 2:22 p.m.
Panel Version: 3.1519
Created: 14 Mar 2022, 2:22 p.m.
Last Modified: 14 Mar 2022, 2:22 p.m.
Panel version: 3.1519

Arina Puzriakova (Genomics England Curator)

Green List (high evidence)

Comment on list classification: There is sufficient evidence to promote this gene to Green at the next review - at least 11 unrelated families reported with MED27 variants presenting overlapping phenotypes that include ID of relevant severity to this panel.
Created: 6 Apr 2021, 3:08 p.m. | Last Modified: 6 Apr 2021, 3:08 p.m.
Panel Version: 3.994
MED27 is currently not associated with any phenotype in OMIM (last edited on 08/03/2012), but is listed in Gene2Phenotype with a 'probable' disease confidence rating for 'MED27-related neurodevelopmental disorder'

- PMID: 33443317 (2021) - 16 individuals from 11 families with a neurodevelopmental syndrome characterised by mild to profound GDD/ID (14/14), axial hypotonia (14/15), distal spasticity and dystonic movements (13/15), and cerebellar hypoplasia (12/14), cataracts (10/15), epilepsy (9/15), and microcephaly (4/14). Exome sequencing revealed biallelic variants in the MED27 gene, including 3 recurrent variants found in 2 or more families with different background.
Created: 6 Apr 2021, 3:03 p.m. | Last Modified: 6 Apr 2021, 3:03 p.m.
Panel Version: 3.993

Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal

Phenotypes
Intellectual disability; Axial hypotonia; Spasticity; Dystonia; Cerebellar hypoplasia; Cataracts; Epilepsy

Publications

Created: 6 Apr 2021, 3:03 p.m.
Last Modified: 6 Apr 2021, 3:03 p.m.
Panel version: 3.993

Zornitza Stark (Australian Genomics)

Green List (high evidence)

16 patients from 11 families reported
Sources: Literature
Created: 5 Mar 2021, 6:29 a.m.

Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal

Phenotypes
Intellectual disability; cerebellar hypoplasia; dystonia

Publications

Variants in this GENE are reported as part of current diagnostic practice

Created: 5 Mar 2021, 6:29 a.m.

Panel version: 3.975

Details

Mode of Inheritance
BIALLELIC, autosomal or pseudoautosomal
Sources
  • Expert Review Green
Phenotypes
  • Intellectual disability
  • Axial hypotonia
  • Spasticity
  • Dystonia
  • Cerebellar hypoplasia
  • Cataracts
  • Epilepsy
OMIM
605044
Clinvar variants
Variants in MED27
Penetrance
None
Publications
Panels with this gene

History Filter Activity

14 Mar 2022, Gel status: 3

Removed Tag

Ivone Leong (Genomics England Curator)

Tag Q2_21_rating was removed from gene: MED27.

14 Mar 2022, Gel status: 3

Added New Source, Status Update

Ivone Leong (Genomics England Curator)

Source Expert Review Green was added to MED27. Rating Changed from Amber List (moderate evidence) to Green List (high evidence)

6 Apr 2021, Gel status: 2

Set Phenotypes

Arina Puzriakova (Genomics England Curator)

Phenotypes for gene: MED27 were changed from Intellectual disability; cerebellar hypoplasia; dystonia to Intellectual disability; Axial hypotonia; Spasticity; Dystonia; Cerebellar hypoplasia; Cataracts; Epilepsy

6 Apr 2021, Gel status: 2

Entity classified by Genomics England curator

Arina Puzriakova (Genomics England Curator)

Gene: med27 has been classified as Amber List (Moderate Evidence).

6 Apr 2021, Gel status: 0

Added Tag

Arina Puzriakova (Genomics England Curator)

Tag Q2_21_rating tag was added to gene: MED27.

5 Mar 2021, Gel status: 0

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

Zornitza Stark (Australian Genomics)

gene: MED27 was added gene: MED27 was added to Intellectual disability. Sources: Literature Mode of inheritance for gene: MED27 was set to BIALLELIC, autosomal or pseudoautosomal Publications for gene: MED27 were set to 33443317 Phenotypes for gene: MED27 were set to Intellectual disability; cerebellar hypoplasia; dystonia Review for gene: MED27 was set to GREEN gene: MED27 was marked as current diagnostic