Abstract
Thiotepa-induced perimplantation mortality in mice was analysed cytologically. The contribution of induced chromosomal aberrations to preimplantation embryonic death was studied. Under the influence of 1.25 mg/kg of thiotepa on late spermatids the stop of cleavage division was found at 2--16 cell stage in 27% of the cases and at 17--22 cell stage in 11.9% (totally in 38.9%) as compared to 6% in the controls. The cytogenetic analysis of embryos consisting of 2--16 cells revealed gross structural chromosomal aberrations in 75% metaphases suitable for analysis.Preview Only. This article cannot be rented because we do not currently have permission from the publisher.
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