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Epileptic encephalopathy

Gene: YWHAG

Green List (high evidence)

YWHAG (tyrosine 3-monooxygenase/tryptophan 5-monooxygenase activation protein gamma)
EnsemblGeneIds (GRCh38): ENSG00000170027
EnsemblGeneIds (GRCh37): ENSG00000170027
OMIM: 605356, Gene2Phenotype
YWHAG is in 4 panels

1 review

Louise Daugherty (Genomics England Curator)

I don't know

Comment on list classification: Changed from Amber to Green, there is enough evidence to support variants in the gene YWHAG causing EE phenotype
10 May 2018, 3:43 p.m.
Comment on publications: added publications to support the mouse model: PMID 26297819, 27288018
10 May 2018, 3:42 p.m.
Comment on publications: Guella et al. (2017) PMID: 28777935 reported 4 unrelated patients with early infantile epileptic encephalopathy-56 (EIEE56; 617665) and identified de novo heterozygous missense mutations in the YWHAG gene. The authors also noted that 2 other patients with de novo heterozygous mutations in the YWHAG gene (c.148A-C, K50Q; c.398A-C, Y133S) had been reported by De Rubeis et al. (2014) PMID:25363760 and the Deciphering Developmental Disorders Study (2017) PMID:28135719, but no clinical details had been provided. There is also a mouse model to support this correlation : Guella et al. (2017) noted that a decrease or increase in Ywhag in mice leads to delayed neuronal migration of pyramidal neurons in the developing brain (PMID: 26297819, 27288018) and that atypical neuronal migration has been implicated in epilepsy.
10 May 2018, 3:38 p.m.
Added from a recommendation by Helen Brittain (Birmingham Women’s and Children’s NHS Foundation Trust)
10 May 2018, 2:16 p.m.

Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown

Phenotypes
Epileptic encephalopathy, early infantile 56, 617665; Seizures, multiple types

Publications

Details

Mode of Inheritance
MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Sources
  • Expert Review Green
  • Literature
  • Expert Review
Phenotypes
  • Epileptic encephalopathy, early infantile 56, 617665
  • Seizures, multiple types
OMIM
605356
Clinvar variants
Variants in YWHAG
Penetrance
None
Publications
Panels with this gene

History Filter Activity

10 May 2018, Gel status: 3

Gene classified by Genomics England curator

Louise Daugherty (Genomics England Curator)

This gene has been classified as Green List (High Evidence).

10 May 2018, Gel status: 1

Set publications

Louise Daugherty (Genomics England Curator)

Publications for YWHAG were set to 28777935; 25363760; 26297819; 27288018

10 May 2018, Gel status: 1

Set publications

Louise Daugherty (Genomics England Curator)

Publications for YWHAG were set to 28777935; 25363760; 28135719

10 May 2018, Gel status: 1

Added New Source

Louise Daugherty (Genomics England Curator)

YWHAG was added to Epileptic encephalopathy panel. Sources: Expert Review,Literature

10 May 2018, Gel status: 1

Created

Louise Daugherty (Genomics England Curator)

YWHAG was created by Louise Daugherty