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RESEARCH ARTICLE
Contents Vol 17(8)

Reproductive effects after exposure of male mice to vincristine and to a combination of X-rays and vincristine

Małgorzata M. Dobrzyńska A B , Urszula Czajka A and Maria G. Słowikowska A
+ Author Affiliations
- Author Affiliations

A Department of Radiation Protection and Radiobiology, National Institute of Hygiene, 24 Chocimska Street, 00-791 Warsaw, Poland.

B Corresponding author. Email: mdobrzynska@pzh.gov.pl

Reproduction, Fertility and Development 17(8) 759-767 https://doi.org/10.1071/RD05065
Submitted: 20 June 2005  Accepted: 10 October 2005   Published: 30 November 2005

Abstract

This study was performed to investigate the effects of exposure to vincristine (VCR) alone (1 mg kg−1 or 2 mg kg−1) and in combination with X-rays (0.25 Gy + 1 mg kg−1 VCR or 1.00 Gy + 2 mg kg−1 VCR) on the quality and quantity of spermatozoa, and the offspring of exposed Pzh : Sfis male mice. Both VCR and X-rays plus VCR reduced testis weight and sperm count, caused deterioration with respect to sperm morphology, and caused a slight increase in DNA damage. Exposure of some stages of male germ cells to high doses of VCR either alone or in combination with X-rays reduced the rate of pregnant females and the fertility of males. Such treatments reduced the number of total and live implantations, and induced dominant lethal mutations. The results of this study demonstrated the reproductive genotoxicity of VCR with or without X-rays, but did not unequivocally confirm their ability to cause external malformations in offspring.

Extra keyword: male-mediated effects.


Acknowledgments

The authors acknowledge Professor Diana Anderson (University of Bradford) for reading this manuscript and helpful discussions. The authors thank Ms Teresa Olejniczak and Ms Anna Sawicka for technical assistance.


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