Interleukin 1 production by alveolar macrophages is decreased in smokers.


To evaluate the mechanism by which cigarette smoking suppresses pulmonary immune responses, we determined the capacity of alveolar macrophages (AM) to produce interleukin 1 (IL-1 in 32 normal subjects and in 40 patients with pulmonary sarcoidosis. The amount of IL-1 released from LPS-stimulated AM from smokers was significantly decreased compared with that… (More)


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