raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:715623

Motor incoordination-myopathy-respiratory insufficiency-progressive cerebellar atrophy syndrome

Synonyms: Morimoto-Ryu-Malicdan neuromuscular syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Adolescent, Childhood, Infancy, Neonatal
Status
active

Orphadata ships no English definition for this code.

1

Names in Orphadata languages

9 of 12 languages
LangNameSynonyms
enMotor incoordination-myopathy-respiratory insufficiency-progressive cerebellar atrophy syndromeMorimoto-Ryu-Malicdan neuromuscular syndrome
frSyndrome de trouble de la coordination-myopathie-insuffisance respiratoire-atrophie cérébelleuse progressiveSyndrome neuromusculaire Morimoto-Ruy-Malicdan
deMotorische Inkoordination-Myopathie-Ateminsuffizienz-Progressive Kleinhirnatrophie-SyndromMRMNS · Morimoto-Ryu-Malicdan neuromuskuläres Syndrom
esSíndrome de incoordinación motora-miopatía-insuficiencia respiratoria- atrofia cerebelosa progresivaSíndrome neuromuscular de Morimoto-Ryu-Malicdan
itSindrome mancata coordinazione motoria-miopatia-insufficienza respiratoria-atrofia cerebellare progressivaSindrome neuromuscolare di Morimoto-Ryu-Malicdan
nlMotorische incoördinatie - myopathie - respiratoire insufficiëntie - progressieve cerebellaire atrofie-syndroomNeuromusculair syndroom van Morimoto-Ryu-Malicdan
ptMotor incoordination-myopathy-respiratory insufficiency-progressive cerebellar atrophy syndrome
plZespół z zaburzeniami koordynacji ruchowej, miopatią, niewydolnością oddechową i postępującym zanikiem móżdżku= en
csMotor incoordination-myopathy-respiratory insufficiency-progressive cerebellar atrophy syndrome= en
2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM621010Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (3):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
RFC4Disease-causing germline mutation(s) (loss of function) inAssessedHGNC:9972ENSG000001639181025773q27.3replication factor C subunit 439106866[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families10 casesWorldwideCase(s)ValidatedORPHANET
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

7

Sources for this card