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Intellectual disability

Gene: IDH2

Green List (high evidence)

IDH2 (isocitrate dehydrogenase (NADP(+)) 2, mitochondrial)
EnsemblGeneIds (GRCh38): ENSG00000182054
EnsemblGeneIds (GRCh37): ENSG00000182054
OMIM: 147650, Gene2Phenotype
IDH2 is in 11 panels

2 reviews

Ellen McDonagh (Genomics England Curator)

Comment on mode of inheritance: Changed from 'other' to monoallelic, due to reports of heterozygous variants to enable variants in this gene to be tiered.
Created: 5 May 2017, 7:44 a.m.

Sarah Leigh (Genomics England Curator)

Comment on mode of inheritance: >3 cases including PMID:20847235 who detected heterozygous germline variants in IDH2 that alter Arg140 in 15 unrelated patients with MIM:613657; in 14 cases the variant was de novo. The mother of 1 patient demonstrated germline mosaicism. PMID:24049096 also report a heterozygous IDH2 and the unaffected mother was a mosaic carrier. Somatic variants also reported.
Created: 20 Mar 2017, 12:15 p.m.
Comment on list classification: Inclusion of this as a green gene on this panel is appropriate, based on the review in the Undiagnosed metabolic disorders panel and the views of clinical expert, Dr Arianna Tucci, UCL.
Created: 20 Mar 2017, 12:15 p.m.

Mode of inheritance
Other

Phenotypes
D-2-hydroxyglutaric aciduria 2 613657

Publications

History Filter Activity

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.

5 May 2017, Gel status: 4

Set publications

Ellen McDonagh (Genomics England Curator)

Publications for IDH2 were set to 20847235;24049096

5 May 2017, Gel status: 4

Set publications

Ellen McDonagh (Genomics England Curator)

Publications for IDH2 were set to 20847235;24049096

5 May 2017, Gel status: 4

Set Mode of Inheritance

Ellen McDonagh (Genomics England Curator)

Mode of inheritance for IDH2 was changed to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown

20 Mar 2017, Gel status: 4

Set Mode of Inheritance

Sarah Leigh (Genomics England Curator)

Mode of inheritance for IDH2 was changed to Other - please specifiy in evaluation comments

20 Mar 2017, Gel status: 4

Gene classified by Genomics England curator

Sarah Leigh (Genomics England Curator)

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

20 Mar 2017, Gel status: 0

Created

Sarah Leigh (Genomics England Curator)

IDH2 was created by sleigh

20 Mar 2017, Gel status: 0

Added New Source

Sarah Leigh (Genomics England Curator)

IDH2 was added to Intellectual disabilitypanel. Sources: Expert Review