1. Muscular dystrophies 5. Other myopathies 9. Metabolic myopathies 13. Hereditary ataxias
2. Congenital muscular dystrophies 6. Myotonic syndromes 10. Hereditary cardiomyopathies 14. Hereditary motor and sensory neuropathies
3. Congenital myopathies 7. Ion channel muscle diseases 11. Congenital myasthenic syndromes 15. Hereditary paraplegias
4. Distal myopathies 8. Malignant hyperthermia 12. Motor neuron diseases 16. Other neuromuscular disorders


7. Ion channel muscle diseases (See references)

Disease phenotype
Item in this table
Key references
Gene symbol (chromosome)
protein
All allelic disease phenotypes - locus/disease symbols
Myotonia congenita , dominant (Thomsen) - (AD)
7.1
1379744
7981750
CLCN1 (7q35)
chloride channel 1, skeletal muscle (Thomsen disease, autosomal dominant)
* Myotonia congenita, autosomal dominant, Thomsen disease - THD
* Myotonia congenita, autosomal recessive, Becker disease - MCR
* Myotonia recessive - CLC1
Myotonia, recessive (Becker) - (AR)
7.2
1379744
CLCN1 (7q35)
chloride channel 1, skeletal muscle (Thomsen disease, autosomal dominant)
* Myotonia congenita, autosomal dominant, Thomsen disease - THD
* Myotonia congenita, autosomal recessive, Becker disease - MCR
* Myotonia recessive - CLC1
Hyperkalemic periodic paralysis - (AD)
7.3
1654742
1659668
1659948
2173143
8058156
SCN4A (17q23-q25.3)
sodium channel, voltage-gated, type IV, alpha
* Hyperkalemic periodic paralysis - HYPP
* Hyperkalemic periodic paralysis, type 2 - HOKPP2
* Myotonia potassium-aggravatd
* Paramyotonia congenita of Von Eulenburg - PMC
* Potassium-aggravated myotonia
* Sodium-channel myasthenia
Hypokalemic periodic paralysis type 2 - (AD)
7.4
10599760
10944223
SCN4A (17q23-q25.3)
sodium channel, voltage-gated, type IV, alpha
* Hyperkalemic periodic paralysis - HYPP
* Hyperkalemic periodic paralysis, type 2 - HOKPP2
* Myotonia potassium-aggravatd
* Paramyotonia congenita of Von Eulenburg - PMC
* Potassium-aggravated myotonia
* Sodium-channel myasthenia
Paramyotonia congenita - (AD)
7.5
1310898
1316765
1654742
1686388
8388676
SCN4A (17q23-q25.3)
sodium channel, voltage-gated, type IV, alpha
* Hyperkalemic periodic paralysis - HYPP
* Hyperkalemic periodic paralysis, type 2 - HOKPP2
* Myotonia potassium-aggravatd
* Paramyotonia congenita of Von Eulenburg - PMC
* Potassium-aggravated myotonia
* Sodium-channel myasthenia
Potassium aggravated myotonia - (AD)
7.6
1310531
8058156
8242056
8308722
SCN4A (17q23-q25.3)
sodium channel, voltage-gated, type IV, alpha
* Hyperkalemic periodic paralysis - HYPP
* Hyperkalemic periodic paralysis, type 2 - HOKPP2
* Myotonia potassium-aggravatd
* Paramyotonia congenita of Von Eulenburg - PMC
* Potassium-aggravated myotonia
* Sodium-channel myasthenia
Long QT syndrome (Romano-Ward syndrome) - (AD)
7.7
7889574
SCN5A (3p21)
voltage-gated sodium channel type V alpha
* Brugada syndrome - SCN5A
* Cardiac conduction defect, progressive - PCCD
* Cardiomyopathy, dilated, 1E - CMD1E
* Hereditary bundle branch system defect - HBBD
* Long QT syndrome-3 - LQT3
* Progressive familial heart block, type I - PFHBI
* Sick Sinus Syndrome 1, autosomal recessive - SSS1
* Ventricular fibrillation, idiopathic - IVF
* Ventricular fibrillation, paroxysmal familial - VF
Hypokalaemic periodic paralysis type 1 - (AD)
7.8
7847370
7987325
8012389
CACNA1S (1q32)
calcium channel, voltage-dependent, L type, alpha 1S subunit
* Hypokalaemic periodic paralysis, type 1 - hypoKPP1
* Hypokalemic periodic paralysis - CACNL1A3
* Malignant hyperthermia susceptibility 5 - MHS5
Acetazolamide responsive hereditary paroxysmal cerebellar ataxia - (AD)
7.9
7695228
7757080
CACNA1A (19p13.2-p13.1)
calcium channel, voltage-dependent, P/Q type, alpha 1A subunit
* Acetazolamide-responsive hereditary paroxymal cerebellar ataxia - APCA
* Cerebellar ataxia, paroxymal, acetazolamide-responsive - CAPA
* Cerebellar ataxia, pure - CACNA1A
* Episodic ataxia, type 2 - EA2
* Hemiplegic migraine, familial - FHM1
* Migraine familial hemiplegic 1, with progressive cerebellar ataxia - MHP1
* Spinocerebellar ataxia 6 - SCA6
Episodic ataxia type-2 - (AD)
7.10
8898206
9302278
CACNA1A (19p13.2-p13.1)
calcium channel, voltage-dependent, P/Q type, alpha 1A subunit
* Acetazolamide-responsive hereditary paroxymal cerebellar ataxia - APCA
* Cerebellar ataxia, paroxymal, acetazolamide-responsive - CAPA
* Cerebellar ataxia, pure - CACNA1A
* Episodic ataxia, type 2 - EA2
* Hemiplegic migraine, familial - FHM1
* Migraine familial hemiplegic 1, with progressive cerebellar ataxia - MHP1
* Spinocerebellar ataxia 6 - SCA6
Hypokalemic periodic paralysis type 3 - (AD)
7.11
11207363
KCNE3 (11q13-q14)
Potassium voltage-gated channel, Isk-related family, member 3
* Hypokalaemic periodic paralysis, type 3 - hypoKPP3
Episodic ataxia/myokymia - (AD)
7.12
7842011
KCNA1 (12p13)
potassium voltage-gated channel, shaker-related subfamily, member 1
* Episodic ataxia with myokymia - EA1
Thyrotoxic hypokalemic periodic paralysis
7.13
20074522
KCNJ18 (17p11.2)
Kir2.6 (inwardly rectifying potassium channel 2.6)
* Thyrotoxic periodic paralysis, susceptibility to, 2 - TTPP2
Periodic paralysis, potassium-sensitive cardiodysrhythmic Andersen-Tawil syndrom - (AD)
7.14
11207363
11371347
8845167
KCNJ2 (17q23)
potassium inwardly-rectifying channel J2
* Long QT syndrome-7 - LQT7
* Periodic paralysis, potassium-sensitive cardiodysrhythmic Andersen-Tawil syndrom - ATS
Long QT syndrome (Romano-Ward syndrome) - (AD)
7.15
7889573
KCNH2 (7q35-q36)
voltage-gated potassium channel, subfamily H, member 2
* Long QT syndrome-2 - LQT2
* Short qt syndrome 1 - SQT1
Potassium channel Long QT syndrome (Romano-Ward syndrome) - (AD)
7.16
8528244
KCNQ1 (11p15.5)
potassium voltage-gated channel, KQT-like subfamily, member 1
* Atrial fibrillation, 3 - ATFB3
* jervell and lange-nielsen syndrome - JLNS1
* Long QT syndrome-1 - LQT1
* Romano-Ward syndrome - RWS
Potassium channel Long QT syndrome (Jervell and Lange-Nielsen cardioauditory syndrome) - (AR)
7.17
9020846
KCNQ1 (11p15.5)
potassium voltage-gated channel, KQT-like subfamily, member 1
* Atrial fibrillation, 3 - ATFB3
* jervell and lange-nielsen syndrome - JLNS1
* Long QT syndrome-1 - LQT1
* Romano-Ward syndrome - RWS
Potassium channel Long QT syndrome (Romano-Ward syndrome) - (AD)
7.18
9354802
KCNE2 (21q22.12)
potassium voltage-gated channel, Isk-related family, member 2
* Atrial fibrillation, 4 - ATFB4
* Long QT syndrome-6 - LQT6
Long QT syndrome (Jervell and Lange-Nielsen cardioauditory syndrome) - (AR)
7.19
9354783
KCNE1 (21q22.1-q22.2)
potassium voltage-gated channel, Isk-related family, member 1
* Jervell and Lange-Nielsen syndrome - JLNS1
* Long QT syndrome-5 - LQT5