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Type: Artigo de periódico
Title: Mild hemolysis in a girl with G6PD Sumare (class I variant) associated with G6PD A-
Author: Saad, STO
Costa, FF
Abstract: In the present study we describe the clinical and laboratory features of a female child, a compound heterozygote for glucose-6-phosphate dehydrogenase (GOD) Sumare (1292T-->G) and African variants (202G-->A). G6PD Sumare is a variant causing chronic nonspherocytic hemolytic anemia. The child had neonatal jaundice 2 days after birth and needed phototherapy for 8 days. Since then, she has not had episodes of dark urine or new episodes of jaundice. She has not had hemolytic crises in spite of five respiratory infections and antibiotics administration. Laboratory data showed a reticulocytosis (5.6%) without anemia and serum unconjugated bilirubin at the upper limit of the normalcy. No hemoglobin and hemosiderin in the urine were detected. GOD activity at 37degreesC was 1.15 UI/g Hb and G6PD cellulose acetate electrophoresis at pH 9.0 revealed two bands, in equal amounts, with normal and faster migration, respectively. She was homozygous for the normal (TA)6(TA)6 repeat in the UGT1A1 promoter. We conclude that the association of G6PD Sumare and G6PD A- gave rise to a very mild chronic hemolysis, and the red cell population containing G6PD A- is probably enough to protect against severe chronic hemolysis. (C) 2003 Elsevier Science (USA). All rights reserved.
Subject: glucose-6-phosphate dehydrogenase
chronic nonspherocytic anemia
African variant
Country: EUA
Editor: Academic Press Inc Elsevier Science
Rights: fechado
Identifier DOI: 10.1016/S1079-9796(03)00038-X
Date Issue: 2003
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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