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  2. Paroxysmal central nervous system disorders
  3. KCNJ2

Paroxysmal central nervous system disorders

Gene: KCNJ2

Red List (low evidence)
KCNJ2 (potassium voltage-gated channel subfamily J member 2)
EnsemblGeneIds (GRCh38): ENSG00000123700
EnsemblGeneIds (GRCh37): ENSG00000123700
OMIM: 600681, Gene2Phenotype
KCNJ2 is in 10 panels

3 reviews

James Polke (Neurogenetics Laboratory, Institute of Neurology, London)

Red List (low evidence)

Created: 2 Sep 2019, 2:37 p.m.
Last Modified: 2 Sep 2019, 2:37 p.m.
Panel version: 0.25

Rebecca Foulger (Genomics England curator)

I don't know

Demoted KCNJ2 from Green to Red based on Red reviews from both London North GLH, and West Midlands, Oxford and Wessex GLH.
Created: 9 Sep 2019, 2:57 p.m. | Last Modified: 9 Sep 2019, 2:57 p.m.
Panel Version: 0.45
Review and rating from James Polke (Neurogenetics Laboratory, Institute of Neurology, London) was collated (February 2019) on behalf of London North GLH for the GMS Neurology specialist test group.
Created: 2 Sep 2019, 2:39 p.m. | Last Modified: 2 Sep 2019, 2:39 p.m.
Panel Version: 0.26
Review and rating from Tracy Lester (Oxford Medical Genetics Laboratories, Oxford University Hospitals NHS Foundation Trust) was collated (February 2019) on behalf of West Midlands, Oxford and Wessex GLH for the GMS Neurology specialist test group.
Created: 2 Sep 2019, 1:39 p.m. | Last Modified: 2 Sep 2019, 1:39 p.m.
Panel Version: 0.23
Created: 2 Sep 2019, 1:39 p.m.
Last Modified: 2 Sep 2019, 1:39 p.m.
Panel version: 0.45

Tracy Lester (Genetics laboratory, Oxford UK)

Red List (low evidence)

Not a CNS disorder
Created: 2 Sep 2019, 1:30 p.m. | Last Modified: 2 Sep 2019, 1:30 p.m.
Panel Version: 0.22

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

Phenotypes
Andersen cardiodysrhythmic periodic paralysis (Andersen syndrome), 170390

Created: 2 Sep 2019, 1:30 p.m.
Last Modified: 2 Sep 2019, 1:30 p.m.
Panel version: 0.22

Details

Mode of Inheritance
MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown
Sources
  • Expert Review Red
  • NHS GMS
  • London North GLH
  • Wessex and West Midlands GLH
Phenotypes
  • Andersen syndrome, OMIM:170390
  • Andersen-Tawil syndrome, MONDO:0008222
  • Episodic weakness
  • Periodic paralysis
OMIM
600681
Clinvar variants
Variants in KCNJ2
Penetrance
None
Publications
Panels with this gene

History Filter Activity

24 Dec 2020, Gel status: 1

Set Phenotypes

Arina Puzriakova (Genomics England Curator)

Phenotypes for gene: KCNJ2 were changed from Andersen syndrome, 170390; Andersen cardiodysrhythmic periodic paralysis; Episodic weakness; Periodic paralysis; Hypokalemic Periodic Paralysis, Type 2 to Andersen syndrome, OMIM:170390; Andersen-Tawil syndrome, MONDO:0008222; Episodic weakness; Periodic paralysis

24 Sep 2019, Gel status: 1

Entity classified by Genomics England curator

Rebecca Foulger (Genomics England curator)

Gene: kcnj2 has been classified as Red List (Low Evidence).

24 Sep 2019, Gel status: 1

Set Phenotypes

Rebecca Foulger (Genomics England curator)

Phenotypes for gene: KCNJ2 were changed from Andersen syndrome, 170390; ANDERSEN CARDIODYSRHYTHMIC PERIODIC PARALYSIS; Episodic weakness; Periodic paralysis; Hypokalemic Periodic Paralysis, Type 2 to Andersen syndrome, 170390; Andersen cardiodysrhythmic periodic paralysis; Episodic weakness; Periodic paralysis; Hypokalemic Periodic Paralysis, Type 2

9 Sep 2019, Gel status: 1

Set Phenotypes

Rebecca Foulger (Genomics England curator)

Phenotypes for gene: KCNJ2 were changed from Andersen syndrome, 170390; ANDERSEN CARDIODYSRHYTHMIC PERIODIC PARALYSIS; Episodic weakness; Periodic paralysis; Andersen syndrome; Hypokalemic Periodic Paralysis, Type 2 to Andersen syndrome, 170390; ANDERSEN CARDIODYSRHYTHMIC PERIODIC PARALYSIS; Episodic weakness; Periodic paralysis; Hypokalemic Periodic Paralysis, Type 2

9 Sep 2019, Gel status: 1

Set Phenotypes

Rebecca Foulger (Genomics England curator)

Phenotypes for gene: KCNJ2 were changed from ANDERSEN CARDIODYSRHYTHMIC PERIODIC PARALYSIS; Episodic weakness; Periodic paralysis; Andersen syndrome; Hypokalemic Periodic Paralysis, Type 2 to Andersen syndrome, 170390; ANDERSEN CARDIODYSRHYTHMIC PERIODIC PARALYSIS; Episodic weakness; Periodic paralysis; Andersen syndrome; Hypokalemic Periodic Paralysis, Type 2

9 Sep 2019, Gel status: 1

Set mode of inheritance

Rebecca Foulger (Genomics England curator)

Mode of inheritance for gene: KCNJ2 was changed from MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted to MONOALLELIC, autosomal or pseudoautosomal, imprinted status unknown

9 Sep 2019, Gel status: 1

Entity classified by Genomics England curator

Rebecca Foulger (Genomics England curator)

Gene: kcnj2 has been classified as Red List (Low Evidence).

2 Sep 2019, Gel status: 3

Added New Source

Rebecca Foulger (Genomics England curator)

Source NHS GMS was added to KCNJ2.

2 Sep 2019, Gel status: 3

Added New Source

Rebecca Foulger (Genomics England curator)

Source London North GLH was added to KCNJ2.

2 Sep 2019, Gel status: 3

Added New Source

Rebecca Foulger (Genomics England curator)

Source Wessex and West Midlands GLH was added to KCNJ2.

3 Jan 2019, Gel status: 4

Set Phenotypes

Ellen McDonagh (Genomics England Curator)

Added phenotypes ANDERSEN CARDIODYSRHYTHMIC PERIODIC PARALYSIS; Episodic weakness; Periodic paralysis; Andersen syndrome; Hypokalemic Periodic Paralysis, Type 2 for gene: KCNJ2

3 Jan 2019, Gel status: 4

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

Ellen McDonagh (Genomics England Curator)

gene: KCNJ2 was added gene: KCNJ2 was added to Paroxysmal neurological disorders, pain disorders and sleep disorders. Sources: Expert Review Green Mode of inheritance for gene: KCNJ2 was set to MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted Publications for gene: KCNJ2 were set to 16217063 Phenotypes for gene: KCNJ2 were set to ANDERSEN CARDIODYSRHYTHMIC PERIODIC PARALYSIS; Episodic weakness; Periodic paralysis; Andersen syndrome; Hypokalemic Periodic Paralysis, Type 2