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  • Title: [Study on the correlation of silicosis with antioxidant and antioxidase].
    Author: Zhou J, Zhu Y, Wu D, Peng F, Ding D.
    Journal: Wei Sheng Yan Jiu; 1999 Mar 30; 28(2):69-71. PubMed ID: 11939004.
    Abstract:
    Plasma vitamin C(P-VC), vitamin E(P-VE) and beta-carotene(P-beta-CAR) contents and the activities of superoxide dismutase(E-SOD), catalase(E-CAT) and glutathione peroxidase (E-GSH-Px) in erythrocyte in 73 silicosis patients and 60 healthy control subjects were measured. The average levels of P-VC, P-VE, P-beta-CAR, E-SOD, E-CAT and E-GSH-Px of patients were significantly lower than those of the controls (P < 0.001). All indexes were correlated to the course, condition and pulmonary function of silicosis patients. The results analyzed by stepwise regression showed that the correlation between course, condition and pulmonary function of patients and P-VE and E-SOD was close. The balance between oxidation and the antioxidation in silicosis patients may be disturbed, and oxygen free radical reaction may be pathologically exacerbated.
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