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3-hydroxy-3-methylglutaryl-CoA synthase deficiency
1 OMIM reference -
1 associated gene
7 connected diseases
5 signs/symptoms
Disease Type of connection
Early-onset autosomal dominant Alzheimer disease
Hereditary cerebral hemorrhage with amyloidosis, Arctic type
Hereditary cerebral hemorrhage with amyloidosis, Dutch type
Hereditary cerebral hemorrhage with amyloidosis, Flemish type
Hereditary cerebral hemorrhage with amyloidosis, Iowa type
Hereditary cerebral hemorrhage with amyloidosis, Italian type
Hereditary cerebral hemorrhage with amyloidosis, Piedmont type
Synonym(s):
- HMG-CoA synthase deficiency

Classification (Orphanet):
- Inborn errors of metabolism
- Rare genetic disease

Classification (ICD10):
- Endocrine, nutritional and metabolic diseases -

Epidemiological data:
Class of prevalence: <1 / 1 000 000
Average age onset: childhood
Average age of death: -
Type of inheritance: autosomal recessive
External references:
1 OMIM reference -
No MeSH references

Gene symbol UniProt reference OMIM reference
HMGCS2 P54868600234
Very frequent
- Hypoglycemia
- Metabolic anomalies
- Organic acid metabolism anomalies
- Seizures / epilepsy / absences / spasms / status epilepticus
- Storage liver disease