congenital myasthenic syndrome 8

Summary
Synonym
  • CMS8
  • congenital myasthenic syndrome 8 with pre- and postsynaptic defects
  • congenital myasthenic syndrome due to agrin deficiency
Definition
A congenital myasthenic syndrome characterized by autosomal recessive inheritance of prominent defects of both the pre- and postsynaptic regions and muscle weakness that has_material_basis_in homozygous or compound heterozygous mutation in the AGRN gene on chromosome 1p.
Super Class
autosomal recessive disease congenital myasthenic syndrome
Disease Ontology
DOID:0110657
MGI genotype (from TogoID)
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
375790 AGRN agrin
Displaying 1 entry
Gene ID Gene Symbol Description Source
11603 Agrn agrin
Related Glycoprotein
Displaying 1 entry
UniProt ID Protein Name Source
O00468 Agrin
Displaying 1 entry
UniProt ID Protein Name Source
A2ASQ1 Agrin
The Human Phenotype Ontology
Displaying entries 81 - 90 of 95 in total
HPO ID HPO Term
HP:0009077 Weakness of long finger extensor muscles
HP:0002650 Scoliosis
HP:0003443 Decreased size of nerve terminals
HP:0012515 Hip flexor weakness
HP:0002875 Exertional dyspnea
HP:0001315 Reduced tendon reflexes
HP:0003484 Upper limb muscle weakness
HP:0003402 Decreased miniature endplate potentials
HP:0005659 Thoracic kyphoscoliosis
HP:0002194 Delayed gross motor development
Displaying all 2 entries
Gene ID Gene Symbol Description
1103 CHAT choline O-acetyltransferase
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: December 8, 2025