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Acta bioquímica clínica latinoamericana
versão impressa ISSN 0325-2957
Resumo
GOMEZ-MANZO, Saúl et al. Glucose-6-phosphate dehydrogenase: From the clinical to the biochemical aspects. Acta bioquím. clín. latinoam. [online]. 2014, vol.48, n.4, pp.409-420. ISSN 0325-2957.
Glucose-6-phosphate dehydrogenase (G6PD) deficiency is the most frequent enzymopathy in humans with a global prevalence of 4.9 % and around 330 to 400 million patients affected worldwide. G6PD plays a fundamental role in the intracellular redox equilibrium, especially in red blood cells (RBC). Under oxidative stress (induced by exposure to external agents like drugs, infections or diet) RBC carrying the deficient variant suffer irreversible damage resulting in their accelerated destruction. This hemolysis explains the clinical manifestations of the disease that include neonatal jaundice, induced acute hemolysis or chronic hemolytic anemia. This work summarizes the epidemiologic and clinical features of G6PD deficiency, and reviews the molecular pathophysiology of this disease with special emphasis on the genetical, structural and functional characterization of variants causing this pathology.
Palavras-chave : Glucose-6-phosphate dehydrogenase; Inborn errors of metabolism; Hereditary hemolytic anemia; Molecular diagnosis.