期刊
TOXICON
卷 48, 期 8, 页码 973-979出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.toxicon.2006.07.039
关键词
Microcystis cell extracts; microcystins; mouse; reproductive toxicity; testis; epididymides; sperm
In this paper, the reproductive toxicity of male mice treated with Microcystis aeruginosa cell extracts containing microcystins was examined. In contrast to the control group, male mice exposed intraperitoneally to 3.33 or 6.67 mu g microcystins/kg body weight for 14 days had decreased mean body weight, and the mean absolute weight of the testes and epididymides was decreased. However, the mean relative weight of the testes increased compared to the controls. In addition, histological examination of microcystin-treated mice indicated that the testes were damaged and the space between the seminiferous tubules was more pronounced compared to control mice. The quality of mature sperm in the seminiferous tubules was also decreased in treated mice compared with the control group. Further studies showed that motility and viability of the sperm from microcystin-treated mice were reduced, but no significant difference was found in the concentration and abnormality of the sperm from treated mice compared to the control. This study indicated that microcystins had numerous toxic effects on the reproductive system of male mice. (c) 2006 Elsevier Ltd. All rights reserved.
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