Phosphoenolpyruvate Carboxykinase Deficiency

**Semantic type:** Disease or Syndrome

**Definition:** A very rare, autosomal recessive inherited disorder caused by deficiency of the enzyme phosphoenolpyruvate carboxykinase, which is involved in gluconeogenesis. It presents with hypoglycemia, failure to thrive, metabolic acidosis, muscle weakness, and hepatomegaly.

**Synonyms:** - Phosphoenolpyruvate Carboxykinase (GTP) Deficiency