Red cell pyruvate kinase (PK) deficiency Pyruvate kinase hyperactivity
Description
Pyruvate kinase (PK) deficiency is inherited metabolic disorder caused by mutations in PKLR that encodes both L-PK (expressed in liver, renal cortex, and small intestine) and R-PK (restricted to erythrocytes). The symptoms include jaundice, enlargement of the spleen, and hemolysis, leading to anemia. One hundred fifty-eight mutations associated with non-spherocytic haemolytic anaemia and eight polymorphic sites have been so far reported in the PKLR gene. It has also been found that a specific mutation in the PKLR gene causes hereditary increase of red blood cell ATP.
Category
Inherited metabolic disorder
Brite
Human diseases in ICD-11 classification [BR:br08403]
05 Endocrine, nutritional or metabolic diseases
Metabolic disorders
Inborn errors of metabolism
5C53 Inborn errors of energy metabolism
H01096 Pyruvate kinase deficiency
Pathway-based classification of diseases [BR:br08402]
Carbohydrate metabolism
nt06031 Citrate cycle and pyruvate metabolism
H01096 Pyruvate kinase deficiency
G-->T transition at cDNA nt 110 (K37Q) in the PKLR (pyruvate kinase) gene is the molecular basis of a case of hereditary increase of red blood cell ATP.
