Paracetamol (Acetaminophen) Decreases Hydrogen Sulfide Tissue Concentration in Brain but Increases It in the Heart, Liver and Kidney in Mice
Abstract:The biological action of N-acetyl-p-aminophenol - paracetamol (acetaminophen) has been demonstrated to involve different mechanisms and is still not clear. Hydrogen sulfide (H2S) has been shown to play an important role in many physiological and pathological processes including nociception. The interaction between acetaminophen and endogenous H2S is unknown. Twenty four female CBA strain mice were administered intraperitoneal injections of N-acetyl-p-aminophenol solution: paracetemol in doses of 30 mg/kg b.w. per day (group D1, n = 8) or 100 mg/kg b.w. per day (group D2, n = 8)‥ The control group (n = 8) received physiological saline in portions of the same volume–0.2 ml. The measurements of tissue H2S concentration were performed with the Siegel spectrophotometric modified method. In the brain, the H2S tissue level decreased, but more significantly in the lower drug dose group. Conversely, there was a significant rise in the H2S tissue concentration in D1 and D2 groups in heart and kidney with the increase more pronounced in the group with the lower paracetamol dose. In the liver only the higher acetaminophen dose elicited a change in H2S concentration, increasing after administration of acetaminophen at 100 mg/kg. Our study demonstrates that paracetamol induces H2S tissue concentration changes in different mouse organs.
Document Type: Research Article
Publication date: 2011-01-01
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- Folia biologica is an international quarterly journal that publishes papers on the broad field of experimental zoology, nuclear and chromosome research, and also ultrastructural studies. All papers are subject to peer reviews. Indexed in: ISI Master Journal List, Current Contents, Polish Scientific Journals Contents. I.F. 0.667
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