Why are some low-molecular-weight agents asthmagenic

R M Agius

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The chemical structure of low-molecular-weight substances (LMW) that cause occupational asthma (OA) determines their reactivity and hence their OA hazard. LMW agents that can form at least two bonds with native human macromolecules carry a higher OA hazard. Thus bi- or polyfunctional LMW agents such as diisocyanates and aliphatic or cyclic amines, as well as dicarboxylic acid anhydrides and dialdehydes, rank highly among organic LMW substances, while some transition metal ions or their complexes also are OA hazards. More subtle effects arise from diverse reactive groups or unsaturation. Quantitative structure activity relationships show increasing promise in predicting the OA hazard of these LMW substances.
    Original languageEnglish
    Pages (from-to)369-84
    JournalOccupational Medicine
    Volume15
    Issue number2
    Publication statusPublished - 2000

    Keywords

    • Asthma/*chemically induced/epidemiology
    • Environmental Monitoring
    • Female
    • Humans
    • Incidence
    • Inorganic Chemicals/*adverse effects/*chemistry
    • Male
    • Molecular Weight
    • Occupational Diseases/*chemically induced/diagnosis/epidemiology
    • Occupational Exposure/adverse effects/analysis
    • Organic Chemicals/*adverse effects/*chemistry
    • Patch Tests
    • Predictive Value of Tests
    • Risk Factors

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