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  1. Occupational asthma due to different spices.

    Article - En anglais

    We describe a 27-year-old subject who developed rhinitis and asthma symptoms 1 year after starting to prepare a certain kind of sausage.

    He was previously diagnosed as having allergy to coconut, banana, and kiwi and allergic rhinitis to horse, cat, dog, and cow.

    A positive immediate skin prick test (SPT) for paprika (dry powder of Capsicum annuum [Solanaceae]), coriander (Cloriandrum sativum [umbelliferous]), and mace (shell of nutmeg, Myristica fragrans [Myristicaceae]) at a concentration of 10% (w/v) was obtained.

    SPT with other sausage ingredients, mites, pollens, and molds were negative.

    By ELISA, specific IgE antibodies to paprika, coriander, and mace were demonstrated.

    By ELISA-inhibition assays, a partial cross-reactivity was found among IgE-binding components from paprika and mace.

    The immunoblot analysis showed two IgE-reactive protein bands able to bind to IgE from mace of 20 and 40 kDa and two other bands from coriander extract of 50 and 56 kDa.

    No bands were detected from paprika extract.

    Specific bronchial inhalation challenges showed an immediate asthmatic reaction to extracts from paprika, coriander, and mace with a maximum fall in FEV1 of 26%, 40%, and 31%, respectively, with no late asthmatic reactions.

    In summary, we demonstrate that inhalation of dust from paprika, coriander, and mace can result in an IgE-mediated reaction to these spices.

    In this patient, occupational asthma was due to spices from botanically unrelated species.

    Mots-clés Pascal : Asthme, Etiologie, Rhinite, Allergie, Coriandre, Macis, Paprika, Espagne, Europe, Exposition professionnelle, Réaction croisée, Etude cas, Adulte jeune, Homme, Appareil respiratoire pathologie, Bronchopneumopathie obstructive, ORL pathologie, Nez pathologie, Immunopathologie, Médecine travail, Maladie professionnelle

    Mots-clés Pascal anglais : Asthma, Etiology, Rhinitis, Allergy, Coriander, Mace, Paprika, Spain, Europe, Occupational exposure, Cross reaction, Case study, Young adult, Human, Respiratory disease, Obstructive pulmonary disease, ENT disease, Nose disease, Immunopathology, Occupational medicine, Occupational disease

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

    Cote : 96-0233429

    Code Inist : 002B06C02. Création : 199608.