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Myokymia 1

mutation in KCNA1

Networked: 1 relevant articles (0 outcomes, 0 trials/studies)

Disease Context: Research Results

Nervous System Diseases: 14178
- Neurologic Manifestations: 7102
  - Dyskinesias: 7807
    - Ataxia: 6364
      - Myokymia 1: 1
Signs and Symptoms Pathological Conditions
- Signs and Symptoms
  - Neurologic Manifestations: 7102
    - Dyskinesias: 7807
      - Ataxia: 6364
        Myokymia 1: 1

Related Diseases

1.	Neuroacanthocytosis
2.	Progressive Myoclonic Epilepsies (Progressive Myoclonic Epilepsy)
3.	Migraine Disorders (Migraine)
4.	Huntington Disease (Huntington's Disease)
5.	Chorea (Rheumatic Chorea)

Experts

1.	Bird, T: 1 article (04/2001)
2.	Fernandez, M: 1 article (04/2001)
3.	Graf, W: 1 article (04/2001)
4.	Lipe, H: 1 article (04/2001)
5.	Matsushita, M: 1 article (04/2001)
6.	Raskind, W: 1 article (04/2001)
7.	Wolff, J: 1 article (04/2001)
8.	Yuen, E: 1 article (04/2001)

Drugs and Biologics

Drugs and Important Biological Agents (IBA) related to Myokymia 1:

1.	Q-Type Calcium Channels (Q-Type Calcium Channel)IBA 04/01/2001 - "We excluded linkage to 11 regions containing genes associated with chorea and myokymia: 1) the Huntington disease gene on chromosome 4p; 2) the paroxysmal dystonic choreoathetosis gene at 2q34; 3) the dentatorubral-pallidoluysian atrophy gene at 12p13; 4) the choreoathetosis/spasticity disease locus on 1p that lies in a region containing a cluster of potassium (K+) channel genes; 5) the episodic ataxia type 1 (EA1) locus on 12p that contains the KCNA1 gene and two other voltage-gated K+ channel genes, KCNA5 and KCNA6; 6) the chorea-acanthocytosis locus on 9q21; 7) the Huntington-like syndrome on 20p; 8) the paroxysmal kinesigenic dyskinesia locus on 16p11.2-q11.2; 9) the benign hereditary chorea locus on 14q; 10) the SCA type 5 locus on chromosome 11; and 11) the chromosome 19 region that contains several ion channels and the CACNA1A gene, a brain-specific P/Q-type calcium channel gene associated with ataxia and hemiplegic migraine. "
2.	PotassiumIBA 04/01/2001 - "We excluded linkage to 11 regions containing genes associated with chorea and myokymia: 1) the Huntington disease gene on chromosome 4p; 2) the paroxysmal dystonic choreoathetosis gene at 2q34; 3) the dentatorubral-pallidoluysian atrophy gene at 12p13; 4) the choreoathetosis/spasticity disease locus on 1p that lies in a region containing a cluster of potassium (K+) channel genes; 5) the episodic ataxia type 1 (EA1) locus on 12p that contains the KCNA1 gene and two other voltage-gated K+ channel genes, KCNA5 and KCNA6; 6) the chorea-acanthocytosis locus on 9q21; 7) the Huntington-like syndrome on 20p; 8) the paroxysmal kinesigenic dyskinesia locus on 16p11.2-q11.2; 9) the benign hereditary chorea locus on 14q; 10) the SCA type 5 locus on chromosome 11; and 11) the chromosome 19 region that contains several ion channels and the CACNA1A gene, a brain-specific P/Q-type calcium channel gene associated with ataxia and hemiplegic migraine. "
3.	Ion Channels (Ion Channel)IBA 04/01/2001 - "We excluded linkage to 11 regions containing genes associated with chorea and myokymia: 1) the Huntington disease gene on chromosome 4p; 2) the paroxysmal dystonic choreoathetosis gene at 2q34; 3) the dentatorubral-pallidoluysian atrophy gene at 12p13; 4) the choreoathetosis/spasticity disease locus on 1p that lies in a region containing a cluster of potassium (K+) channel genes; 5) the episodic ataxia type 1 (EA1) locus on 12p that contains the KCNA1 gene and two other voltage-gated K+ channel genes, KCNA5 and KCNA6; 6) the chorea-acanthocytosis locus on 9q21; 7) the Huntington-like syndrome on 20p; 8) the paroxysmal kinesigenic dyskinesia locus on 16p11.2-q11.2; 9) the benign hereditary chorea locus on 14q; 10) the SCA type 5 locus on chromosome 11; and 11) the chromosome 19 region that contains several ion channels and the CACNA1A gene, a brain-specific P/Q-type calcium channel gene associated with ataxia and hemiplegic migraine. "