Abstract
Neutrophilic phagocytic activity and serum opsonic activity were examined in pneumoconiosis patients. One hundred patients aged 43 to 81 were classified into four types (types 1 to 4) according to the degree of chest X-ray findings. A simultaneous multiple measurement system for luminol-dependent chemiluminescence was used. Neutrophilic phagocytic activity and serum opsonic activity were shown by the time length to reach peak chemiluminescence (PT) and the height of peak chemiluminescence (PH). There were no significant differences of neutrophilic phagocytic activities and serum opsonic activities between normal persons and type 1 cases of mild disease. However, these activities were elevated in cases with more severe disease, and the most severe type 4 type cases tended to show lower activities than type 2 and type 3 cases. PT of total chemiluminescence was influenced by both neutrophilic phagocytic activity and serum opsonic activity, but PH only by neutrophilic phagocytic activity. Statistically significant correlation was observed between serum opsonic activity and serum CH50 levels.
Published Version
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