Evaluation of Mutagenesis, Necrosis and Apoptosis Induced by Omeprazole in Stomach Cells of Patients with Gastritis
Cancer cell international(2022)
摘要
The influence of simultaneous exposure to benzene and toluene on the urine excretion of t, t-muconic acid (t,t-MA) was examined in rats. t,t-MA was measured from 24-h urine of rats subjected to a single 4-h exposure to 5 or 20 ppm benzene and/or 50, 100, 200 or 1000 ppm toluene. Coexposure lowered t,t-MA excretion in a concentration-dependent manner, especially in the 20 ppm benzene group where the decrease averaged 28, 44 and 85% after exposure to 100. 200 and 1000 ppm toluene, respectively, as compared to benzene-exposed groups alone. The data confirm the sensitivity of t,t-MA as an indicator of benzene exposure and point out that measurement of t,t-MA may underestimate the exposure to benzene in the presence of toluene.
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关键词
Citogenetic biomarkers,Oxidative stress,Apoptosis,Genetic instability
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