glucose-6-phosphate dehydrogenase

glucose-6-phosphate dehydrogenase
An NADP+ enzyme catalyzing the dehydrogenation of d-glucose 6-phosphate to 6-phospho-d-glucono-δ-lactone, this reaction initiating the pentose shunt. A deficiency of this enzyme can lead to severe hemolytic anemia and favism. A deficiency of the leukocyte enzyme prevents neutrophils expressing respiratory burst. SYN: Robison ester dehydrogenase, Zwischenferment.

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glucose-6-phosphate dehydrogenase n an enzyme found esp. in red blood cells that dehydrogenates glucose-6-phosphate in a glucose degradation pathway alternative to the Krebs cycle

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(G6PD) glu·cose-6-phos·phate de·hy·dro·gen·ase (G6PD) (glooґkōs fosґfāt de-hiґdro-jən-ās) [EC 1.1.1.49] an enzyme of the oxidoreductase class that catalyzes the oxidation of glucose-6-phosphate to a lactone, reducing NADP+ to NADPH. The reaction is the first step in the pentose phosphate pathway of glucose metabolism. Genetic deficiency of the enzyme causes severe hemolytic crises in affected individuals. In EC nomenclature, called glucose-6-phosphate 1-dehydrogenase.

Medical dictionary. 2011.

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  • glucose-6-phosphate dehydrogenase — glucose 6 phosphate dehydrogenase. См. глюкозо 6 фосфатдегидрогеназа. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Glucose-6-phosphate dehydrogenase — NOTOC Glucose 6 phosphate dehydrogenase (G6PD) is a cytosolic enzyme in the pentose phosphate pathway (see image), a metabolic pathway that supplies reducing energy to cells (such as erythrocytes) by maintaining the level of the co enzyme… …   Wikipedia

  • glucose-6-phosphate dehydrogenase deficiency — n a hereditary metabolic disorder affecting red blood cells that is controlled by a variable gene on the X chromosome, that is characterized by a deficiency of glucose 6 phosphate dehydrogenase conferring marked susceptibility to hemolytic anemia …   Medical dictionary

  • glucose-6-phosphate dehydrogenase deficiency — glucose 6 phosphate dehydrogenase deficiency. См. дефицит глюкозо 6 фосфатдегидрогеназы. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • Glucose-6-phosphate dehydrogenase deficiency — ] The discovery of G6PD deficiency relieved heavily upon the testing of prisoner volunteers at Illinois State Penitentiary, although today such studies cannot be performed. When some prisoners were given the drug primaquine, some developed… …   Wikipedia

  • glucose-6-phosphate dehydrogenase deficiency — ▪ pathology       hereditary metabolic defect characterized by an increased tendency of the red blood cells to break and release their hemoglobin (hemolysis), especially after the intake of certain drugs. The condition is caused, as the name… …   Universalium

  • glucose-6-phosphate dehydrogenase deficiency — a hereditary (X linked) condition in which the absence of the enzyme glucose 6 phosphate dehydrogenase (G6PD), which functions in carbohydrate metabolism, results in the breakdown of the red blood cells (haemolysis), usually after exposure to… …   Medical dictionary

  • glucose-6-phosphate dehydrogenase deficiency — a hereditary (X linked) condition in which the absence of the enzyme glucose 6 phosphate dehydrogenase (G6PD), which functions in carbohydrate metabolism, results in the breakdown of the red blood cells (haemolysis), usually after exposure to… …   The new mediacal dictionary

  • glucose-6-phosphate dehydrogenase — noun Date: 1954 an enzyme found especially in red blood cells that dehydrogenates glucose 6 phosphate in a glucose degradation pathway alternative to the Krebs cycle …   New Collegiate Dictionary

  • glucose-6-phosphate dehydrogenase — ¦ ̷ ̷ ˌ ̷ ̷ ¦ ̷ ̷ ¦ ̷ ̷ ˌ ̷ ̷ noun : an enzyme found especially in red blood cells that dehydrogenates glucose phosphate (sense b) in a glucose degradation pathway alternative to the Krebs cycle …   Useful english dictionary

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