[Dependence of the cytogenetic effect on TEPA concentration in human lymphocyte culture]
- PMID: 70240
[Dependence of the cytogenetic effect on TEPA concentration in human lymphocyte culture]
Abstract
The authors studied the cytogenetic action of TEPA (tris/2-methyl-1-azyridinyl) on the human lymphocyte culture. It was shown that the increase of the mutagen concentration from 0.125 to 16.0 microgram/ml the cytogenetic effect for the portion of the aberrant metaphases rose from 6.0 to 61.0%, and for the total number of ruptures - from 7.96 to 116.3. A method of finding the least effective concentration of the substance under study in comparison with control is suggested; for TEPA it constitutes 0.120 microgram/ml. The percentage of chromatide ruptures remained constant in using different TEPA concentration and constitutes 51.72%. Cell distribution of chromosome ruptures is satisfactorily described by geometrical distribution.
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