Elevated pyruvate kinase activity in patients with hemolytic anemia due to red cell pyruvate kinase "deficiency". 1987

E Beutler, and L Forman, and E Rios-Larrain
Department of Basic and Clinical Research, Research Institute of Scripps Clinic, La Jolla, California 92037.

Two patients with non-spherocytic hemolytic anemia were found to have elevated red blood cell pyruvate kinase activities commensurate with the decreased mean red cell age, but the residual pyruvate kinase had marked kinetic abnormalities. Accumulation of metabolic intermediates before pyruvate kinase and reduced levels of activity of the red blood cells of the parents of both patients supported the diagnosis of an inherited abnormal pyruvate kinase causing hemolytic anemia. Although it was observed in two unrelated persons, review of enzyme assays performed on the red blood cells of 651 patients with hereditary non-spherocytic hemolytic anemia suggests that this occurrence is rare.

UI MeSH Term Description Entries
D008297 Male Males
D011770 Pyruvate Kinase ATP:pyruvate 2-O-phosphotransferase. A phosphotransferase that catalyzes reversibly the phosphorylation of pyruvate to phosphoenolpyruvate in the presence of ATP. It has four isozymes (L, R, M1, and M2). Deficiency of the enzyme results in hemolytic anemia. EC 2.7.1.40. L-Type Pyruvate Kinase,M-Type Pyruvate Kinase,M1-Type Pyruvate Kinase,M2-Type Pyruvate Kinase,Pyruvate Kinase L,R-Type Pyruvate Kinase,L Type Pyruvate Kinase,M Type Pyruvate Kinase,M1 Type Pyruvate Kinase,M2 Type Pyruvate Kinase,Pyruvate Kinase, L-Type,Pyruvate Kinase, M-Type,Pyruvate Kinase, M1-Type,Pyruvate Kinase, M2-Type,Pyruvate Kinase, R-Type,R Type Pyruvate Kinase
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D004912 Erythrocytes Red blood cells. Mature erythrocytes are non-nucleated, biconcave disks containing HEMOGLOBIN whose function is to transport OXYGEN. Blood Cells, Red,Blood Corpuscles, Red,Red Blood Cells,Red Blood Corpuscles,Blood Cell, Red,Blood Corpuscle, Red,Erythrocyte,Red Blood Cell,Red Blood Corpuscle
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000293 Adolescent A person 13 to 18 years of age. Adolescence,Youth,Adolescents,Adolescents, Female,Adolescents, Male,Teenagers,Teens,Adolescent, Female,Adolescent, Male,Female Adolescent,Female Adolescents,Male Adolescent,Male Adolescents,Teen,Teenager,Youths
D000745 Anemia, Hemolytic, Congenital Hemolytic anemia due to various intrinsic defects of the erythrocyte. Anemia, Hemolytic, Hereditary,Congenital Hemolytic Anemia,Hemolytic Anemia, Congenital,Hemolytic Anemia, Hereditary,Hereditary Hemolytic Anemia,Anemia, Congenital Hemolytic,Anemia, Hereditary Hemolytic,Anemias, Congenital Hemolytic,Anemias, Hereditary Hemolytic,Congenital Hemolytic Anemias,Hemolytic Anemias, Congenital,Hemolytic Anemias, Hereditary,Hereditary Hemolytic Anemias
D000746 Anemia, Hemolytic, Congenital Nonspherocytic Any one of a group of congenital hemolytic anemias in which there is no abnormal hemoglobin or spherocytosis and in which there is a defect of glycolysis in the erythrocyte. Common causes include deficiencies in GLUCOSE-6-PHOSPHATE ISOMERASE; PYRUVATE KINASE; and GLUCOSE-6-PHOSPHATE DEHYDROGENASE. Anemia, Congenital Nonspherocytic Hemolytic,Anemia, Hemolytic Congenital, Nonspherocytic,Congenital Nonspherocytic Hemolytic Anemia,Hemolytic Anemia, Congenital Nonspherocytic

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