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  • Title: Bilirubin levels in the acute hemolytic crisis of G6PD deficiency are related to Gilbert's syndrome.
    Author: Iolascon A, Faienza MF, Giordani L, Perrotta S, Ruggiu G, Meloni GF, del Giudice EM.
    Journal: Eur J Haematol; 1999 May; 62(5):307-10. PubMed ID: 10359058.
    Abstract:
    In this study we analyzed the effect of the (TA)7 polymorphism of the UGT1A gene associated with Gilbert's syndrome in G6PD-deficient subjects during an acute hemolytic crisis (fabic crisis). DNA from 44 subjects originating from the same geographic area in Sardinia was analyzed for the UGT1A promoter polymorphism. The increase of unconjugated bilirubin level during fabic crisis and its relationship with UGT1A polymorphism was evaluated. The UGT1A (TA)7 TATA box variant was found in 9/44 (21%) of the G6PD deficient subjects examined. The median value for unit of increase of bilirubin (mg/dl)/unit of decrease of hemoglobin (g/dl) was higher in variant homozygous than in heterozygous and normal subjects. These findings imply a contribution of the UGT1A polymorphism associated to Gilbert's syndrome to development of the hyperbilirubinemia in G6PD deficient subjects during acute hemolytic anemia.
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