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Effects of murine cytomegalovirus infection on sperm viability in mice

  • Xiong Jinwen
  • Xiong Chengliang
  • Tian Yonghong
  • Hu Lian
  • Wei Hai
Article
  • 36 Downloads

Summary

In order to explore the effects of testicular infection of murine cytomegalovirus (MCMV) on mature sperm viability at different periods following MCMV inoculation in mice, 91 BALB/c mice without MCMV infection were randomly divided into two groups: an experimental group (n=56) and a control group (n=35). The mice in the experimental group were treated by inoculating MCMV intratesticularly, while those in the controlled group were directly inoculated with DMEM without MCMV. The mice in both groups were sacrificed separately on the day 1,1.5,2,4,6,9 and 14 post-inoculation (D1, 1.5,2,4,6,9 and 14 PI). The MCMV M83 mRNA gene was detected in the testis byin situ hybridization (ISH) with MCMV late-mRNA probe labeled with digoxin. Sperm viability of mature sperm in the epididymis cauda was measured. The results demonstrated the positive signal of ISH of MCMV was found mainly in the cytoplasm of the testicular interstitial cells and spermatogenic cells in the experimental group. Compared with that in the controlled group, the sperm viability in the experimental group was decreased significantly on D1 PI and D1.5 PI (P<0.05). No statistically significant difference in the sperm viability was found after D2 PI between two groups (P>0.05). This suggested that sperm viability in mice might be descended significantly shortly after MCMV infection and might return to normal with time, indicating that MCMV acute infection might temporarily degrade sperm quality and influence procreation transiently.

Key words

murine cytomegalovirus testis in situ hybridization sperm viability 

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Copyright information

© Springer 2006

Authors and Affiliations

  • Xiong Jinwen
    • 1
  • Xiong Chengliang
    • 1
  • Tian Yonghong
    • 1
  • Hu Lian
    • 1
  • Wei Hai
    • 1
  1. 1.Center of Reproductive Medicine, Research Institute of Family Planning, Tongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina

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