Mutagenicity of B(a)P in the presence of some hydralazine derivatives.

K Gasiorowski, K Szyba, J Sawicka, B Gulanowski
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Abstract

Hydralazine, dihydralazine and todralazine were tested in the aspect of their mutagenic potency, and the influence upon the mutagenicity of standard promutagen--B(a)P. Hydralazine exhibited strong mutagenic activity in the Ames test while mutagenic activity of dihydralazine was relatively weak. Todralazine had no mutagenic activity, and significantly decreased mutagenicity of B(a)P. It was concluded that todralazine could be a good antimutagenic substance.

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B(a)P在某些肼衍生物存在下的致突变性。
测定了三种促突变剂的致突变性,以及对标准促突变剂B(a)P致突变性的影响。在Ames试验中,肼嗪表现出较强的诱变活性,而二肼嗪的诱变活性相对较弱。托屈拉嗪对B(a)P无致突变性,对B(a)P的致突变性有显著降低作用。结果表明,托地拉嗪是一种良好的抗诱变物质。
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International Code of Ethics for occupational health professionals. International conference on peripheral nerve toxicity. (12-13 June, 1993, Kanazawa, Japan). Increased urinary excretion of the oxidative DNA adduct, 8-hydroxydeoxyguanosine, as a possible early indicator of occupational cancer hazards in the asbestos, rubber, and azo-dye industries. Computer-aided methods for evaluating cancer risk in miners due to radiation exposure. Mutagenicity of B(a)P in the presence of some hydralazine derivatives.
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