General Information of Disease (ID: DIS2LXNC)

Disease Name Phosphoenolpyruvate carboxykinase deficiency, cytosolic
Synonyms
PCKDC; PEPCK 1 deficiency; PEP carboxykinase deficiency; PEPCK deficiency, cytosolic; PCK1 deficiency, cytosolic; PEPCK1 deficiency; phosphoenolpyruvate carboxykinase-1 (PCK1) deficiency; phosphoenolpyruvate carboxykinase deficiency; phosphopyruvate carboxylase deficiency; phosphoenolpyruvate carboxylase deficiency; phosphoenolpyruvate carboxykinase deficiency, cytosolic
Definition
PEPCK1 deficiency is a rare inborn error of metabolism disorder, characterized by the deficiency of the enzyme PEPCK1, one of the enzymes needed for gluconeogenesis, the process by which organisms produce sugars (namely glucose) from non-carbohydrate precursors (such as amino acids). The symptoms described in the few cases reported in the medical literature suggest that there may be variation in the severity of the symptoms ranging from severe early-onset cases, to milder late-onset presentations. In severe cases symptoms may include persistent and very low levels of blood's sugar in newborns (neonatal hypoglycemia), failure to thrive, build-up of lactic acid in the blood (lactic acidosis), liver enlargement (hepatomegaly) and liver failure leading to neurological degeneration. Milder cases present during childhood with fewer and less serious liver problems. Infections and fasting may trigger the symptoms. PEPCK1 deficiency inheritance is autosomal recessive. It is caused by mutations in the PEPCK1 gene. Some researchers believe that the severity of the disease depend upon the mutations resulting in less or more PEPCK1 activity (the more active the enzyme is, the less severe the disease is, and vice versa). Treatment depend on the symptoms and may include giving extra carbohydrates during heavy exercise and illness or other times of fasting (formal sick day regimen) by the dietitian.PEPCK1 is the cytosolic form of the phosphoenolpyruvate carboxykinase (PEPCK) enzyme, the other being the mitochondrial (PEPCK2).
Disease Hierarchy
DISOMDLN: Phosphoenolpyruvate carboxykinase deficiency
DIS2LXNC: Phosphoenolpyruvate carboxykinase deficiency, cytosolic
Disease Identifiers
MONDO ID
MONDO_0009866
UMLS CUI
C5574905
OMIM ID
261680
MedGen ID
1801754

Molecular Interaction Atlas (MIA) of This Disease

Molecular Interaction Atlas (MIA)
This Disease Is Related to 1 DME Molecule(s)
Gene Name DME ID Evidence Level Mode of Inheritance REF
PCK1 DEPLH5Z Strong Autosomal recessive [1]
------------------------------------------------------------------------------------
This Disease Is Related to 1 DOT Molecule(s)
Gene Name DOT ID Evidence Level Mode of Inheritance REF
PCK1 OTNWEJ5Y Strong Autosomal recessive [1]
------------------------------------------------------------------------------------

References

1 Phosphoenolpyruvate carboxykinase is necessary for the integration of hepatic energy metabolism. Mol Cell Biol. 2000 Sep;20(17):6508-17. doi: 10.1128/MCB.20.17.6508-6517.2000.