PanelApp (stage)
  1. Panels
  2. Brain Channelopathies
Description
This panel was developed by and is maintained by VCGS.

Brain channelopathies typically cause episodes of neurological dysfunction including a combination of ataxia, dystonia, abnormal extra movements, leg stiffness, weakness, headache and nausea.  The episodes can last a few minutes or hours. Some patients have a primary headache in the form of hemiplegic migraine.

The Alternating Hemiplegia_Hemiplegic Migraine, Paroxysmal Dyskinesia, Ataxia and Dystonia panels may be considered where the clinical presentation is less clearly indicative of a brain channelopathy.

This panel has been compared against the Genomics England 'Brain Channelopathy' panel with all discordances resolved and reciprocal feedback provided to Genomics England PanelApp, 20/8/20.
Panel Activity

3 reviewers

  • Michelle Torres (Victorian Clinical Genetics Services)

  • Bryony Thompson (Royal Melbourne Hospital)

  • Zornitza Stark (Victorian Clinical Genetics Services; Australian Genomics)

22 Entities

22 reviewed, 20 green

List Entity Reviews Mode of inheritance Details
22 Entitiess
Green Green List (high evidence)
ADCY5
1 review
1 green 		BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Dyskinesia, familial, with facial myokymia, MIM# 606703
  • MONDO:0011707
  • Hyperkinetic movement disorder with dyskinesia, myoclonus, chorea, and dystonia-2 (HYDMCD2), MIM#619647
  • Neurodevelopmental disorder with hyperkinetic movements and dyskinesia (NEDHYD), MIM#619651
Tags
Green Green List (high evidence)
ATP1A2
1 review
1 green 		MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Alternating hemiplegia of childhood 1, MIM# 104290
Tags
Green Green List (high evidence)
ATP1A3
1 review
1 green 		MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Alternating hemiplegia of childhood 2, MIM# 614820
  • CAPOS syndrome, MIM# 601338
  • Dystonia-12, MIM# 128235
Tags
Green Green List (high evidence)
ATP7B
1 review
1 green 		BIALLELIC, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Wilson disease, MIM# 277900
Tags
Green Green List (high evidence)
CACNA1A
1 review
1 green 		MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert list
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Episodic ataxia, type 2 MIM#108500
Tags
  • STR
Green Green List (high evidence)
GLRA1
1 review
1 green 		BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Hyperekplexia 1, MIM# 149400
Tags
Green Green List (high evidence)
GLRB
1 review
1 green 		BIALLELIC, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Hyperekplexia 2, MIM# 614619
Tags
Green Green List (high evidence)
KCNA1
1 review
1 green 		MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Episodic ataxia/myokymia syndrome, MIM# 160120
Tags
Green Green List (high evidence)
KCNJ2
1 review
1 green 		MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Andersen syndrome, MIM# 170390
Tags
Green Green List (high evidence)
KCNMA1
1 review
1 green 		MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Paroxysmal nonkinesigenic dyskinesia, 3, with or without generalized epilepsy, MIM# 609446
Tags
Green Green List (high evidence)
KCNQ2
1 review
1 green 		MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Myokymia, MIM# 121200
  • Seizures, benign neonatal, 1, MIM# 121200
  • Developmental and epileptic encephalopathy 7, MIM# 613720
Tags
Green Green List (high evidence)
KCNQ3
1 review
1 green 		MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Seizures, benign neonatal, 2, MIM# 121201
Tags
Green Green List (high evidence)
PNKD
1 review
1 green 		MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Paroxysmal nonkinesigenic dyskinesia 1, MIM# 118800
Tags
Green Green List (high evidence)
PRRT2
1 review
1 green 		BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Convulsions, familial infantile, with paroxysmal choreoathetosis 602066
  • Episodic kinesigenic dyskinesia 1 128200
  • Seizures, benign familial infantile, 2 605751
Tags
Green Green List (high evidence)
SCN1A
1 review
1 green 		MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Dravet syndrome 607208
  • Epilepsy, generalized, with febrile seizures plus, type 2 604403
  • Febrile seizures, familial, 3A 604403
  • Migraine, familial hemiplegic, 3 609634
Tags
Green Green List (high evidence)
SCN8A
1 review
1 green 		MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Myoclonus, familial, 2, MIM# 618364
  • epilepsy
  • paroxysmal kinesigenic dyskinesias
Tags
Green Green List (high evidence)
SLC1A3
1 review
1 green 		MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert list
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Episodic ataxia, type 6 MIM#612656
Tags
Green Green List (high evidence)
SLC2A1
1 review
1 green 		MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • GLUT1-deficiency syndrome, MONDO:0000188
  • Dystonia 9 601042
  • GLUT1 deficiency syndrome 1, infantile onset, severe 606777
  • GLUT1 deficiency syndrome 2, childhood onset 612126
  • Stomatin-deficient cryohydrocytosis with neurologic defects 608885
Tags
Green Green List (high evidence)
SLC6A5
1 review
1 green 		BOTH monoallelic and biallelic, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Hyperekplexia 3, MIM# 614618
Tags
Green Green List (high evidence)
SPR
1 review
1 green 		BIALLELIC, autosomal or pseudoautosomal
Sources
  • Expert Review Green
  • Victorian Clinical Genetics Services
Phenotypes
  • Dystonia, dopa-responsive, due to sepiapterin reductase deficiency 612716
Tags
Amber Amber List (moderate evidence)
CACNB4
2 reviews
1 red 		MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert list
  • Expert Review Amber
  • Expert Review Red
  • Victorian Clinical Genetics Services
Phenotypes
  • Episodic ataxia, type 5, MIM#613855
Tags
Red Red List (low evidence)
CACNA1S
1 review
1 red 		MONOALLELIC, autosomal or pseudoautosomal, NOT imprinted
Sources
  • Expert Review Red
  • Victorian Clinical Genetics Services
Phenotypes
  • Hypokalemic periodic paralysis, type 1, MIM# 170400
Tags

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