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  • Title: [Current concepts of the predisposition and pathogenesis of exogenous allergic alveolitis].
    Author: Müller S, Bergmann KC.
    Journal: Z Erkr Atmungsorgane; 1985; 164(2):123-32. PubMed ID: 4013399.
    Abstract:
    The present conceptions about the pathogenesis of extrinsic allergic alveolitis (EAA) are summarized in a review. The development of EAA depends on both intrinsic (predisposing factors like HLA-groups etc.) and extrinsic components (nature of antigen, intensity and duration of the exposure smoking habits). Cell-mediated immunity plays a decisive role in the recognition of antigen, the induction of the pathogenic immune response (imbalance or dysregulation of T-Helper and T-Suppressor cells), in the realizing of the pathogenic effect in the lung tissue (sensitized lymphocytes, synthesis of lymphokins and interleukins with the consequent liberation of enzymes, tissue injury, granuloma-formation, fibrosis). The production of specific antibodies, the formation of immune complexes, the activation of complement system and as well as immediate irritant-toxic effects by the inhaled agents are also important in the pathogenesis of EAA.
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