Related Experiment Videos
Improved motile sperm recovery by a hyperosmotic Percoll gradient
D J Carbone1, K Seifarth, A J Thomas
1Department of Urology, Cleveland Clinic Foundation, Ohio 44195, USA.
Journal of Assisted Reproduction and Genetics
|August 1, 1997
Summary
The new Percoll Enhance-S gradient significantly improves total motile sperm recovery compared to the standard Percoll Perception method. This enhanced sperm preparation technique yields higher numbers of motile sperm for potential use.
Area of Science:
- Reproductive biology
- Sperm preparation techniques
- Andrology
Background:
- Sperm preparation is crucial for assisted reproductive technologies.
- Traditional Percoll gradients are widely used but may have limitations in sperm recovery.
- Optimizing sperm recovery rates is essential for improving treatment efficacy.
Purpose of the Study:
- To evaluate the efficacy of a novel, hyperosmotic Percoll gradient, Enhance-S.
- To compare the total motile sperm recovery rates of Enhance-S versus the standard Percoll Perception gradient.
Main Methods:
- Semen specimens from 17 donors were divided into two aliquots.
- One aliquot was processed using Percoll Perception, the other using Percoll Enhance-S.
- Sperm motion characteristics (motility, velocity) and total motile sperm recovery were assessed.
Main Results:
- Both Percoll Perception and Enhance-S significantly improved sperm motility and velocity compared to unwashed specimens.
- No significant differences in sperm motility or velocity were observed between the two Percoll preparations.
- Percoll Enhance-S demonstrated a significantly higher total motile sperm recovery rate than Percoll Perception (P < 0.0024).
Conclusions:
- The Percoll Enhance-S gradient is superior to the Percoll Perception gradient for maximizing total motile sperm recovery.
- Enhance-S offers a significant advantage in sperm preparation, potentially benefiting fertility treatments.