Etiopathogenic features and diagnostic criteria of occupational diseases studying in workers engaged in colored metallurgy have been given in the paper. Polyvalent sensitization to metal allergens (nickel, chrome, beryllium, manganese) was found. A toxic effect of nickel on DNA was shown that could be used as a biomarker of exposure for biological monitoring in colored metallurgy workers. Biochemical investigations determined the main pathogenic mechanisms underlying pathomorphology of bronchopulmonary diseases caused by the exposure of colored metals, such as activation of lipid peroxidation, "proteolysis – antiproteolysis" imbalance, growing significance of infection. This is the first study demonstrating clinical and biochemical parallels between characteristics of development and course of respiratory pathology caused by the exposure of colored metals. Infectious, inflammatory, toxico-allergic, and destructive processes predominated in this pathology. Preventive and rehabilitation strategies have been developed.
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