The metabolic pathways leading to genotoxicity of nitropropanes in mammalian cells were investigated by measuring the effects of 2-nitropropane (2-NP) and 1-nitropropane (1-NP) on various cell lines characterized for their expression of cytochrome P450-dependent mono-oxygenases. Cells used were the rat
Enzymes are natural catalysts, controlling reactions with typically high stereospecificity and enantiospecificity in substrate selection and/or product formation. This makes them useful in the synthesis of industrially relevant compounds, particularly where highly enantiopure products are required. The flavoprotein pentaerythritol tetranitrate
Micronucleus tests were carried out in bone marrow of mice treated with 1-nitropropane, 2-nitropropane and cisplatin. For 1-nitropropane and 2-nitropropane the results were negative. With cisplatin a dose-dependent increase in the number of polychromatic erythrocytes with micronuclei was observed. The
1-Nitropropane (1-NP), 2-nitropropane (2-NP), 1-azoxypropane (1-AP) and 2-azoxypropane (2-AP), were assayed for carcinogenicity by gavage in male Sprague-Dawley rats. 2-NP was given at 1 mmol/kg three times per week for 16 weeks. 1-NP (1 mmol/kg), 1-AP (0.1 mmol/kg), 2-AP (0.1
2-Nitropropane (2-NP) is a rat liver carcinogen, whilst the 1-isomer is non-carcinogenic in rodents. Although DNA repair tests in the rat liver discriminated clearly between the carcinogenic and the non-carcinogenic isomer, uniformly negative results have been published for the mouse
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