Mechanism of Human Papillomavirus Binding to Human Spermatozoa and Fertilizing Ability of Infected Spermatozoa
2011

How HPV Affects Human Sperm and Fertilization

publication Evidence: moderate

Author Information

Author(s): Carlo Foresta, Cristina Patassini, Alessandro Bertoldo, Massimo Menegazzo, Felice Francavilla, Luisa Barzon, Alberto Ferlin

Primary Institution: University of Padova

Hypothesis

Can HPV infect human sperm and affect its ability to fertilize an egg?

Conclusion

The study shows that HPV can infect human sperm and that infected sperm can transfer the virus to oocytes, potentially impacting fertilization.

Supporting Evidence

  • HPV can infect human sperm and localizes at the equatorial region of the sperm head.
  • Sperm exposed to HPV can penetrate oocytes and transfer viral genes.
  • HPV-infected sperm have reduced motility, which may affect fertility.

Takeaway

This study found that HPV can get into human sperm and might make it harder for the sperm to fertilize an egg.

Methodology

The study used fluorescence in situ hybridization and immunofluorescence to analyze sperm samples for HPV infection and its effects on fertilization.

Limitations

The use of transfected sperm in experiments may not accurately reflect natural conditions.

Participant Demographics

The study involved young adult males, some of whom were asymptomatic and sexually active.

Digital Object Identifier (DOI)

10.1371/journal.pone.0015036

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