congenital myasthenic syndrome 1B

Summary
Synonym
  • CMS1B
  • congenital myasthenic syndrome 1B, fast-channel
Definition
A congenital myasthenic syndrome characterized by defects in postsynaptic neuromuscular junctions with early-onset progressive muscle weakness that has_material_basis_in mutation in the CHRNA1 gene on chromosome 2q.
Super Class
autosomal dominant disease autosomal recessive disease congenital myasthenic syndrome
Disease Ontology
DOID:0110662
Mondo Disease Ontology
OMIM
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
1134 CHRNA1 cholinergic receptor nicotinic alpha 1 subunit
Displaying 1 entry
Gene ID Gene Symbol Description Source
11435 Chrna1 cholinergic receptor nicotinic alpha 1 subunit
Displaying 1 entry
Gene ID Gene Symbol Description Source
79557 Chrna1 cholinergic receptor nicotinic alpha 1 subunit
Displaying all 4 entries
Gene ID Gene Symbol Description Source
38545 nAChRbeta1 nicotinic Acetylcholine Receptor beta1
42918 nAChRalpha1 nicotinic Acetylcholine Receptor alpha1
42919 nAChRalpha2 nicotinic Acetylcholine Receptor alpha2
42920 nAChRbeta2 nicotinic Acetylcholine Receptor beta2
Displaying 1 entry
Gene ID Gene Symbol Description Source
30725 chrna1 cholinergic receptor, nicotinic, alpha 1 (muscle)
Displaying all 5 entries
Gene ID Gene Symbol Description Source
172105 unc-38 Acetylcholine receptor subunit alpha-type unc-38
172150 unc-63 Acetylcholine receptor subunit alpha-type unc-63
172703 unc-29 Acetylcholine receptor subunit beta-type unc-29
178269 lev-1 Acetylcholine receptor subunit beta-type lev-1
180937 acr-3 Acetylcholine receptor subunit beta-type acr-3
The Human Phenotype Ontology
Displaying entries 1 - 10 of 32 in total
HPO ID HPO Term
HP:0002878 Respiratory failure
HP:0001324 Muscle weakness
HP:0003547 Shoulder girdle muscle weakness
HP:0000597 Ophthalmoparesis
HP:0003403 EMG: decremental response of compound muscle action potential to repetitive nerve stimulation
HP:0002329 Drowsiness
HP:0000496 Abnormality of eye movement
HP:0003388 Easy fatigability
HP:0002091 Restrictive ventilatory defect
HP:0003458 EMG: myopathic abnormalities
Displaying 1 entry
Gene ID Gene Symbol Description
375790 AGRN agrin

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Last updated: December 9, 2024