Humoral immunological profile of workers exposed to asbestos in asbestos mines.
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1993-12-01
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Abstract
Humoral immunological profile including immunoglobulins IgG, IgA, IgM, C-reactive protein, rheumatoid factor, antinuclear antibodies and circulating immune complexes were studied in a representative sample of 36 workers suffering from asbestosis (group A), 35 workers who are exposed to asbestos but not having evidence of asbestosis (group B) and 28 control workers (group C). Mean IgG and IgA levels were found to be significantly higher in the two exposed groups than in the controls. Circulating immune complexes of IgG, IgA and IgM class were detected in a significant percentage of cases in exposed groups than in controls. In groups A and B, the percentage of positive ANF cases was much higher than in the controls. The results suggest that immunological changes are associated with exposure to asbestos and these may play an important role in the pathogenesis of the disease process.
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Nigam SK, Suthar AM, Patel MM, Karnik AB, Dave SK, Kashyap SK, Venkaiah K. Humoral immunological profile of workers exposed to asbestos in asbestos mines. Indian Journal of Medical Research. 1993 Dec; 98(): 274-7