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  • Title: [Activity of glutathione-dependent enzymes and superoxide dismutase in peptic ulcer].
    Author: Kolomoets MIu.
    Journal: Ukr Biokhim Zh (1978); 1992; 64(3):57-62. PubMed ID: 1440967.
    Abstract:
    Activity of Cu, Zn-superoxide dismutase, glutathione-S-peroxidase, glutathione-S-transferase, glutathione reductase, glucoso-6-phosphate dehydrogenase and content of glutathione reduced in blood of patients with gastric and duodenal ulcer depending on the age and parallel lesion of the hepatobiliary system have been studied. Considerable inhibition of superoxide dismutase, glucoso-6-phosphate-dehydrogenase activity and decrease of the content of reduced glutathione, the most pronounced in patients with parallel lesion of the hepatobiliary system, have been revealed. Glutathione reductase activity is high in all the patients, except for aged and old people with parallel lesions of the liver and biliferous tracts. Glutathione peroxidase is essentially active in adult patients, especially in case of combined pathology. Glutathione peroxidase activity is lower in aged and old patients as compared to the age norm, while the level of glutathione-S-transferase activity is high; at the same time there are no considerable changes in the glutathione-S-transferase activity in adult patients. The mechanisms of compensation and decompensation of functioning of enzymatic antiradical and antioxidant system under the peptic ulcer depending on the age of patients and concomitant lesions of the hepatobiliary system are discussed.
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