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  • Title: Occupational exposure to lead and blood cholesterol in glucose-6-phosphate dehydrogenase deficient and normal subjects.
    Author: Cocco PL, Cocco E, Anni MS, Flore C, Melis A, Salis S.
    Journal: Res Commun Chem Pathol Pharmacol; 1991 Apr; 72(1):81-95. PubMed ID: 2052750.
    Abstract:
    The effect of chronic lead poisoning on blood cholesterol levels of 148 patients, admitted to the Institute of Occupational Medicine of the University of Cagliari (Italy), was studied in connection with the genetic pattern of Glucose-6-Phosphate Dehydrogenase (G6PD) activity. The erythrocyte G6PD activity of twenty-six patients was genetically deficient. Multiple regressions were elaborated including the following in the model as independent variables: age, Quetelet index and blood lead or urinary lead in the 24 hours following 15 mg/Kg of i.v. calcium ethylen-diamine-tetracetate (EDTA) (PbUEDTA), expressed as a ratio with body weight (PbUEDTA/Kg). Dependent variables were alternatively, total cholesterol, cholesterol esters, LDL and HDL cholesterol. The analysis showed that G6PD deficient subjects have generally lower intercepts, but only for HDL the difference approached the statistical significance. Lead poisoning affected blood cholesterol of G6PD deficient subjects differently from normal ones: while total cholesterol and LDL tended to decrease in both, positive slopes were observed for cholesterol esters in G6PD deficient and for HDL in G6PD normal subjects.
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