congenital myopathy 1B

Summary
Synonym
  • multiminicore disease
Definition
A congenital myopathy that is characterized by multiple areas of reduced mitochondrial oxidative activity running along a limited extent of the longitudinal axis of the muscle fiber, so-called 'minicores' and that has_material_basis_in homozygous or compound heterozygous mutation in the RYR1 gene on chromosome 19q13. Multiminocore disease is broadly classified into four groups: classic form, moderate form with hand involvement, antenatal form with arthrogryposis multiplex congenita, and ophthalmoplegic form.
Super Class
congenital myopathy
Disease Ontology
DOID:0080991
Mondo Disease Ontology
ORDO
OMIM
GARD
MGI genotype (from TogoID)
Related Genes
Displaying 1 entry
Gene ID Gene Symbol Description Source
6261 RYR1 ryanodine receptor 1
Displaying 1 entry
Gene ID Gene Symbol Description Source
20190 Ryr1 ryanodine receptor 1, skeletal muscle

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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 9, 2024