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Title: Inactivation of acrolein by sodium 2-mercaptoethanesulfonate using headspace-solid-phase microextraction gas chromatography and mass spectrometry. Author: Takamoto S, Sakura N, Yashiki M, Kojima T. Journal: J Chromatogr B Analyt Technol Biomed Life Sci; 2003 Jul 05; 791(1-2):365-9. PubMed ID: 12798196. Abstract: Acrolein, the metabolite of cyclophosphamide and ifosphamide, is an irritant of mucous membranes and seems to play an important role in hemorrhagic cystitis. Several methods are available to reduce the risk of hemorrhagic cystitis. Mesna is a regional detoxificant which inactivates acrolein. However, the interaction of mesna and acrolein has never been reported because no available method can detect acrolein. In this study, we measured acrolein to evaluate the effect of mesna in urine or phosphate-buffered saline using a headspace-solid-phase microextraction gas chromatography and mass spectrometry method which we had previously established. We also investigated the effect of mesna at different conditions of pH. Mesna was effective in a dose-dependent (10 microM to 20 mM) fashion in both urine and phosphate-buffered saline and completely inactivated acrolein at concentrations over 10 mM. Furthermore, mesna was more effective in alkaline conditions than in acid.[Abstract] [Full Text] [Related] [New Search]