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  • Title: Relationship between exposure to heavy metals and prevalence of renal dysfunction.
    Author: Buchet JP, Lauwerys R, Roels H, Bernard A.
    Journal: Arch Toxicol Suppl; 1980; 4():215-8. PubMed ID: 6933905.
    Abstract:
    Total proteinuria (biuret method) and the urinary excretion of specific proteins (albumin, transferrin, orosomucoid and IgG measured by an automated immunoprecipitin reaction and beta 2-microglobulin determined by radioimmunoassay) have been assessed in four groups of workers: a control group (n = 88) and a group exposed to cadmium (n = 148), mercury vapour (n = 63) and lead (n = 25) respectively. The results demonstrate that a moderate exposure to lead (lead concentration in blood < 62 micrograms/100 ml) does not change the prevalence of renal dysfunction, whereas mercury vapour exposure increases the prevalence of subjects with excessive excretion of albumin (> 12 mg/g creatinine), orosomucoid (> 4.35 mg/g creat.) and IgG (> 3.5 mg/g creat.). Besides an increased excretion of beta 2-microglobulin (> 200 micrograms/g creat.) workers exposed to cadmium excrete a greater amount of high molecular weight proteins. An increased excretion of urinary proteins occurs when mercury and cadmium level in urine exceeds 50 and 10 micrograms/g creatinine respectively.
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