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Rabbit sperm function after co-culture with uterine epithelial cells
M L Boice1, R T Duby, J M Robl
1Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA 01003, USA.
Theriogenology
|July 1, 1990
Summary
Spermatozoa-uterine epithelial cell interactions in vitro enhance sperm motility. This study models gamete-genital tract interactions to assess sperm function, revealing improved progressive motility with epithelial cell co-culture.
Area of Science:
- Reproductive Biology
- Cell Biology
- In Vitro Models
Background:
- Spermatozoa-uterine interactions are crucial for fertilization.
- Understanding these interactions in vitro can elucidate sperm function.
Purpose of the Study:
- To investigate the effects of spermatozoa-uterine epithelial cell interactions on sperm function in vitro.
- To establish an in vitro model for studying gamete-genital tract interactions.
Main Methods:
- Co-culture of ejaculated rabbit spermatozoa with uterine epithelial cells, stromal cells, or fetal fibroblasts.
- Assessment of sperm viability, acrosome reaction, progressive motility, and fertilizing ability.
- Utilized in vivo fertilization assays for fertilizing ability determination.
Main Results:
- Sperm viability decreased over time, unaffected by cell type.
- Sperm co-cultured with epithelial cells showed reduced acrosome loss compared to those in medium.
- Progressive sperm motility significantly increased (39%) with epithelial cell co-culture versus medium (18%).
Conclusions:
- Spermatozoa-uterine epithelial cell interactions positively influence sperm progressive motility in vitro.
- The co-culture system serves as a valuable model for evaluating gamete-genital tract interactions and their impact on sperm function.
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