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Immunoreactive LHRH-like factor in human seminal plasma
Archives of Andrology
|March 1, 1983
Summary
Luteinizing hormone releasing hormone (LHRH)-like factor is present in human seminal plasma. Its concentration and total content did not significantly differ across various semen quality groups.
Area of Science:
- Reproductive Endocrinology
- Andrology
- Biochemistry
Background:
- Luteinizing hormone releasing hormone (LHRH) is a key regulator of reproductive function.
- The presence and role of LHRH-like factors in seminal plasma are not well understood.
- Investigating seminal LHRH could offer insights into male reproductive health.
Purpose of the Study:
- To detect and quantify LHRH-like factor in human seminal plasma.
- To determine if LHRH-like factor levels correlate with semen quality parameters.
Main Methods:
- Radioimmunoassay (RIA) was employed to measure immunoreactive LHRH.
- Semen samples from 46 men were analyzed.
- Samples were categorized based on sperm count: normospermic, oligospermic, and azoospermic.
Main Results:
- LHRH-like factor was detected in all tested human seminal plasma samples.
- Concentrations ranged from 31 to 71 pg/ml.
- Total content per ejaculate varied from 58 to 329 pg.
- No statistically significant differences in LHRH-like factor concentration or total content were observed between normospermic, oligospermic, and azoospermic groups (p > 0.05).
Conclusions:
- Human seminal plasma contains an LHRH-like factor.
- The presence of this factor in seminal plasma does not appear to be associated with standard semen quality metrics like sperm count.