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Seminal plasma transferrin in infertile men
I Papadimas1, F Papadopoulou, S Ioannidis
1First Department of Obstetrics and Gynaecology, Aristotelian University, Thessaloniki, Greece.
Archives of Andrology
|March 1, 1992
Summary
Seminal plasma transferrin levels are lower in men with azoospermia, a key finding for male infertility research. This protein
Area of Science:
- Reproductive Biology
- Andrology
- Clinical Chemistry
Background:
- Seminal plasma contains various proteins crucial for reproductive function.
- Transferrin, an iron-binding protein, plays a role in sperm metabolism and protection.
- Altered seminal plasma composition is linked to male infertility.
Purpose of the Study:
- To investigate seminal plasma transferrin levels in men with infertility.
- To correlate transferrin levels with different types of infertility and sperm parameters.
Main Methods:
- Quantification of seminal plasma transferrin using radial immunodiffusion.
- Analysis of 51 infertile men and 15 fertile controls.
- Comparison of transferrin levels across infertility diagnoses and correlation with sperm parameters.
Main Results:
- Significantly decreased seminal plasma transferrin in azoospermia cases (91 ± 51 µg/ejaculate).
- Significantly decreased transferrin in obstructive azoospermia (73 ± 70 µg/ejaculate).
- No significant differences in other sperm quality disorders (e.g., asthenoteratospermia).
- Transferrin levels correlated with sperm count, ejaculate volume, and serum LH.
Conclusions:
- Reduced seminal plasma transferrin is associated with azoospermia, particularly obstructive azoospermia.
- Transferrin may serve as a biomarker for specific male infertility conditions.
- Further research is warranted to elucidate transferrin's precise role in male fertility.