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
MGI genotype (from TogoID)
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 1 - 10 of 32 in total
HPO ID HPO Term
HP:0000597 Ophthalmoparesis
HP:0001324 Muscle weakness
HP:0000496 Abnormality of eye movement
HP:0000961 Cyanosis
HP:0000218 High palate
HP:0000651 Diplopia
HP:0001315 Reduced tendon reflexes
HP:0000508 Ptosis
HP:0003547 Shoulder girdle muscle weakness
HP:0002878 Respiratory failure
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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Last updated: April 7, 2025