congenital myasthenic syndrome 4A

Summary
Synonym
  • CMS Ia1
  • CMS1A1
  • CMS4A
  • congenital myasthenic syndrome 4A slow-channel
  • congenital myasthenic syndrometype Ia1
Definition
A congenital myasthenic syndrome characterized by postsynaptic neuromuscular junction defects, early-onset progressive muscle weakness, and prolonged opening and activity of the acetylcholine receptor channel that has_material_basis_in heterozygous or rarely biallelic mutation in the CHRNE gene on chromosome 17p13.
Super Class
autosomal dominant disease autosomal recessive disease congenital myasthenic syndrome
Disease Ontology
DOID:0110678
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
1145 CHRNE cholinergic receptor nicotinic epsilon subunit
Displaying 1 entry
Gene ID Gene Symbol Description Source
11448 Chrne cholinergic receptor, nicotinic, epsilon polypeptide
Related Glycoprotein
Displaying 1 entry
UniProt ID Protein Name Source
Q04844 Acetylcholine receptor subunit epsilon
Displaying 1 entry
UniProt ID Protein Name Source
P20782 Acetylcholine receptor subunit epsilon
The Human Phenotype Ontology
Displaying entries 11 - 20 of 32 in total
HPO ID HPO Term
HP:0012764 Orthopnea
HP:0002329 Drowsiness
HP:0009005 Weakness of the intrinsic hand muscles
HP:0003403 EMG: decremental response of compound muscle action potential to repetitive nerve stimulation
HP:0002091 Restrictive ventilatory defect
HP:0003803 Type 1 muscle fiber predominance
HP:0003388 Easy fatigability
HP:0010628 Facial palsy
HP:0002792 Reduced vital capacity
HP:0003458 EMG: myopathic abnormalities
Displaying 1 entry
Gene ID Gene Symbol Description
375790 AGRN agrin

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Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01


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