congenital myasthenic syndrome 2C

Summary
Synonym
  • CMS2C
  • congenital myasthenic syndrome 2C associated with acetylcholine receptor deficiency
Definition
A congenital myasthenic syndrome characterized by autosomal recessive inheritance of postsynaptic neuromuscular junction defects, early-onset muscle weakness, and low amplitude of the miniature endplate potential and current that has_material_basis_in compound heterozygous mutation in the CHRNB1 gene on chromosome 17p13.
Super Class
autosomal recessive disease congenital myasthenic syndrome
External Links
Disease Ontology
DOID:0110680
Mondo Disease Ontology
OMIM
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
1140 CHRNB1 cholinergic receptor nicotinic beta 1 subunit
Displaying 1 entry
Gene ID Gene Symbol Description Source
11443 Chrnb1 cholinergic receptor nicotinic beta 1 subunit
Displaying 1 entry
Gene ID Gene Symbol Description Source
24261 Chrnb1 cholinergic receptor nicotinic beta 1 subunit
Displaying all 3 entries
Gene ID Gene Symbol Description Source
42918 nAChRalpha1 nicotinic Acetylcholine Receptor alpha1
42919 nAChRalpha2 nicotinic Acetylcholine Receptor alpha2
42920 nAChRbeta2 nicotinic Acetylcholine Receptor beta2
Displaying all 2 entries
Gene ID Gene Symbol Description Source
172150 unc-63 Acetylcholine receptor subunit alpha-type unc-63
180937 acr-3 Acetylcholine receptor subunit beta-type acr-3
The Human Phenotype Ontology
Displaying entries 21 - 30 of 32 in total
HPO ID HPO Term
HP:0000508 Ptosis
HP:0003402 Decreased miniature endplate potentials
HP:0002194 Delayed gross motor development
HP:0003547 Shoulder girdle muscle weakness
HP:0003722 Neck flexor weakness
HP:0009077 Weakness of long finger extensor muscles
HP:0005659 Thoracic kyphoscoliosis
HP:0012515 Hip flexor weakness
HP:0003803 Type 1 muscle fiber predominance
HP:0010628 Facial palsy
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: August 19, 2024