raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:263297

Glycogen storage disease with severe cardiomyopathy due to glycogenin deficiency

Synonyms: GSD type 15 · GSD type XV · GSD with severe cardiomyopathy due to glycogenin deficiency · Glycogen storage disease type 15 · Glycogen storage disease type XV · Glycogenosis type 15 · Glycogenosis type XV · Glycogenosis with severe cardiomyopathy due to glycogenin deficiency

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Childhood
Status
active

A rare autosomal recessive glycogen storage disease characterized by severe cardiomyopathy and cardiac dilatation potentially progressing to heart failure requiring transplantation. Cardiomyocytes show large inclusions of storage material consistent with polyglucosan. Clinical evidence of skeletal muscle involvement is usually absent.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enGlycogen storage disease with severe cardiomyopathy due to glycogenin deficiencyGSD type 15 · GSD type XV · GSD with severe cardiomyopathy due to glycogenin deficiency · Glycogen storage disease type 15 · Glycogen storage disease type XV · Glycogenosis type 15 · Glycogenosis type XV · Glycogenosis with severe cardiomyopathy due to glycogenin deficiency
frGlycogénose avec cardiomyopathie sévère par déficit en glycogénineGSD avec cardiomyopathie sévère par déficit en glycogénine · GSD type 15 · GSD type XV · Glycogénose type 15 · Glycogénose type XV
deGlykogenose mit schwerer Kardiomyopathie durch Glycogenin-MangelGSD Typ 15 · GSDXV · Glykogen-Speicherkrankheit Typ 15 · Glykogen-Speicherkrankheit mit schwerer Kardiomyopathie durch Glycogenin-Mangel · Glykogenose Typ 15
esEnfermedad por almacenamiento de glucógeno con miocardiopatía grave por deficiencia de glucogeninaEnfermedad de almacenamiento de glucógeno tipo 15 · Enfermedad de almacenamiento de glucógeno tipo XV · GSD con miocardiopatía grave por deficiencia de glucogenina · GSD tipo 15 · GSD tipo XV · Glucogenosis con miocardiopatía grave por deficiencia de glucogenina · Glucogenosis tipo 15 · Glucogenosis tipo XV
itMalattia da deposito di glicogeno con cardiomiopatia grave da deficit di glicogeninaGSD con cardiomiopatia grave da deficit di glicogenina · GSD, tipo 15 · GSD, tipo XV · Glicogenesi con cardiomiopatia grave da deficit di glicogenina · Glicogenosi da deficit di glicogenina · Glicogenosi, tipo 15 · Glicogenosi, tipo XV · Malattia da deposito di glicogeno, tipo 15 · Malattia da deposito di glicogeno, tipo XV
nlGlycogeenstapelingsziekte met ernstige cardiomyopathie door deficiëntie van glycogenineGSD met ernstige cardiomyopathie door deficiëntie van glycogenine · GSD type 15 · GSD type XV · Glycogeenstapelingsziekte type 15 · Glycogeenstapelingsziekte type XV · Glycogenose met ernstige cardiomyopathie door deficiëntie van glycogenine · Glycogenose type 15 · Glycogenose type XV
ptDoença de armazenamento de glicogénio com miocardiopatia por deficiência de glicogeninaGlicogenose tipo 15
plChoroba spichrzania glikogenu z powodu niedoboru glikogeninyChoroba spichrzania glikogenu typu 15 · Choroba spichrzania glikogenu typu XV · Glikogenoza typu 15 · Glikogenoza typu XV · Glikogenoza z powodu niedoboru glikogeniny · GSD typu 15 · GSD typu XV · GSD z powodu niedoboru glikogeniny
csGlykogenóza s těžkou kardiomyopatií způsobená deficitem glykogeninuGSD typ 15 · GSD typ XV · Glykogenóza, typ XV · Glykogenóza, typ 15 · GSD s těžkou kardiomyopatií způsobená deficitem glykogeninu
ukХвороба накопичення глікогену з тяжкою кардіоміопатією через дефіцит глікогенінуХвороба накопичення глікогену, тип 15 · Хвороба накопичення глікогену, тип XV · Глікогеноз типу 15 · Глікогеноз типу XV · Глікогеноз з тяжкою кардіоміопатією внаслідок дефіциту глікогеніну · GSD тип 15 · GSD тип XV · GSD з тяжкою кардіоміопатією внаслідок дефіциту глікогеніну
zh糖原蛋白不足所致糖原贮积症伴严重心肌病糖原累积病伴糖原蛋白不足所致严重心肌病
trGlikojen eksikliğine bağlı ağır kardiyomiyopati ile seyreden glikojen depo hastalığıGSD tip 15 · GSD tip XV · Glikojenoz tip 15 · Glikojenoz tip XV · Glikojen depo hastalığı tip 15 · Glikojen depo hastalığı tip XV · Glikojenin eksikliğine bağlı ağır kardiyomiyopati ile seyreden GSD · Glikojenin eksikliğine bağlı ağır kardiyomiyopati ile seyreden glikojenoz

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM613507Evalidated
ICD-10E74.0NTBTattributedvalidated
ICD-115C51.3NTBTindexvalidated
MONDO0013291Evalidated
UMLSC4303568Evalidated

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 (2):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
GYG1Disease-causing germline mutation(s) inAssessedHGNC:4699ENSG000001637546039423q24glycogenin 120357282[PMID]
5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families1 casesWorldwideCase(s)Validated20357282[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_20357282[PMID]

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

25 annotations · validated 2017-11-22
HPOTerm (as annotated by Orphanet)Diagnostic
Frequent (79-30%)
HP:0009023Abdominal wall muscle weakness
HP:0011675Arrhythmia
HP:0031319Cardiomyocyte hypertrophy
HP:0001638Cardiomyopathy
HP:0012270Decreased muscle glycogen content
HP:0003199Decreased muscle mass
HP:0003458EMG: myopathic abnormalities
HP:0002875Exertional dyspnea
HP:0009027Foot dorsiflexor weakness
HP:0040014Increased mitochondrial number
HP:0003722Neck flexor weakness
HP:0001962Palpitations
HP:0011712Right bundle branch block
HP:0012251ST segment elevation
HP:0003547Shoulder girdle muscle weakness
HP:0010872T-wave inversion
HP:0003484Upper limb muscle weakness
HP:0001663Ventricular fibrillation
HP:0001714Ventricular hypertrophy
HP:0005144Ventricular septal hypertrophy
HP:0004756Ventricular tachycardia
HP:0002321Vertigo
Excluded (0%)
HP:0040081Abnormal circulating creatine kinase concentration
HP:0000819Diabetes mellitus
HP:0000821Hypothyroidism

Annotation source: 20357282[PMID]

7

Sources for this card