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  1. Urinary NAG and GAG as biomarkers of renal effects in exposure to 2-alkoxyalcohols and their acetates.

    Article - En anglais

    Many sensitive biomarkers are available for the surveillance of the early health effects of chemicals on humans.

    This study was conducted to evaluate the usefulness of glycosaminoglycans (GAG) as biomarkers of early kidney effects in exposure to 2-alkoxyethanols and their acetates.

    GAG were compared with effects on the urinary bêta-N-dase activity (NAG).

    According to the results of the present study, the excretion rate of GAG was higher among women than men.

    On the other hand, the excretion rate of GAG was lower among exposed subjects than among the controls, and the level was decreased at the tested levels of exposure.

    The NAG activity was higher in most of the exposed groups than in the controls.

    The data indicated that an appropriate urinary limit value for ethoxyacetic acid was 30 mmol/mol creatinine in postshift samples and that this value corresponded to an 8-hour exposure level of 2 cm3/m3 2-ethoxyethylacetate.

    Urinary butoxyacetic acid excretion of 60 mmol/mol creatinine corresponded to the inhalation exposure level of 5 cm3/m3 2-butoxyethanol and its acetate in postshift samples.

    Mots-clés Pascal : Hydroxyéther, Exposition professionnelle, Médecine travail, Homme, Marqueur biologique, Surveillance biologique, Toxicité, Rein, Glycosaminoglycane, bêta-N-Acetylhexosaminidase, O-Glycosidases, Glycosidases, Hydrolases, Enzyme, Appareil urinaire pathologie, Ethanol(2-éthoxy), Ethanol(2-butoxy)

    Mots-clés Pascal anglais : Hydroxyether, Occupational exposure, Occupational medicine, Human, Biological marker, Biological monitoring, Toxicity, Kidney, Glycosaminoglycan, bêta-N-Acetylhexosaminidase, O-Glycosidases, Glycosidases, Hydrolases, Enzyme, Urinary system disease

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 98-0407434

    Code Inist : 002B03L06. Création : 25/01/1999.