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  1. Measurement of natural rubber proteins in latex glove extracts : comparison of the methods.

    Article - En anglais

    Background 

    Healthcare workers and individuals with frequent contact with latex are at risk for latex protein allergy.

    Objective 

    The purpose of this study was to compare several established methods for measuring protein in extracts from latex-containing medical devices.

    Methods 

    Extracts from latex gloves were analyzed for natural rubber proteins using a modified Lowry assay and two different immunochemical assays.

    The immunochemical methods were competitive inhibition assays that employed either immune rabbit serum or human serum with antibodies directed against natural rubber proteins.

    Results 

    Seventy extracts representing five different brands of gloves from four manufacturers were analyzed.

    A good linear correlation (R=0.88) was found between the immunoassay methods.

    Correlation to the modified Lowry method was not possible because many of the samples were below the limit of detection for the Lowry assay.

    Reference extracts and antisera were further characterized by Western blot analysis.

    The data demonstrate that the proteins recognized by rabbit antisera and the proteins recognized by human IgE are similar.

    The greatest difference in the immunochemical assays appears to be the relative binding of the antibody sources to high and low molecular weight natural rubber proteins in the reference extracts. (...)

    Mots-clés Pascal : Exploration microbiologique, Taux concentration, Protéine, Gomme naturelle, Echantillon, Gant, Latex, Technique, Etude comparative, Homme, Equipement biomédical

    Mots-clés Pascal anglais : Microbiological investigation, Concentration factor, Proteins, Natural gum, Sample, Glove, Latex, Technique, Comparative study, Human, Biomedical equipment

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

    Cote : 96-0330671

    Code Inist : 002B24O14. Création : 10/04/1997.