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  3. KCNH2
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Fetal anomalies

Gene: KCNH2

Amber List (moderate evidence)
KCNH2 (potassium voltage-gated channel subfamily H member 2)
EnsemblGeneIds (GRCh38): ENSG00000055118
EnsemblGeneIds (GRCh37): ENSG00000055118
OMIM: 152427, Gene2Phenotype
KCNH2 is in 5 panels

2 reviews

Arina Puzriakova (Genomics England Curator)

I don't know

New gene added to this panel with an Amber rating, inline with the recent review by the R21 Clinical Oversight Group.
Created: 5 Sep 2025, 4:41 p.m. | Last Modified: 5 Sep 2025, 4:41 p.m.
Panel Version: 6.29
Created: 5 Sep 2025, 4:41 p.m.
Last Modified: 5 Sep 2025, 4:41 p.m.
Panel version: 6.29

Sahar Mansour (St George's Hospital, London)

I don't know

This gene and phenotype were reviewed during meetings in June & July 2025. 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 & Elizabeth Scotchman (North Thames GLH), Natalie Bibb, Stephanie Allen & Sarah Graham (Central & South GLH) and Alice Gardham, Esther Kinning, Vicki Harrison, Anna DeBurca, Natalie Canham, Elizabeth Wall, Sunayna Best, Soo-Mi Park & Sahar Mansour (R21 Clinical Oversight Group).
Created: 5 Sep 2025, 4:31 p.m. | Last Modified: 5 Sep 2025, 4:31 p.m.
Panel Version: 6.28
Several papers. May present with fetal arrhythmia. Not a structural abnormality.
Created: 5 Sep 2025, 2:55 p.m. | Last Modified: 5 Sep 2025, 2:55 p.m.
Panel Version: 6.24

Mode of inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted

Phenotypes
Short QT syndrome 1, OMIM:609620; Long QT syndrome 2, OMIM:613688

Publications

Created: 5 Sep 2025, 2:55 p.m.
Last Modified: 5 Sep 2025, 2:55 p.m.
Panel version: 6.28

Details

Mode of Inheritance
MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Amber
Phenotypes
  • Short QT syndrome 1, OMIM:609620
  • Long QT syndrome 2, OMIM:613688
OMIM
152427
Clinvar variants
Variants in KCNH2
Penetrance
None
Publications
Panels with this gene

History Filter Activity

5 Sep 2025, Gel status: 2

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

Arina Puzriakova (Genomics England Curator)

gene: KCNH2 was added gene: KCNH2 was added to Fetal anomalies. Sources: Expert Review Amber Mode of inheritance for gene: KCNH2 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted Publications for gene: KCNH2 were set to 36973673; 38094730; 39698424 Phenotypes for gene: KCNH2 were set to Short QT syndrome 1, OMIM:609620; Long QT syndrome 2, OMIM:613688