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Human chorionic gonadotropin beta-subunit in human semen.

S Saito1, Y Kumamoto, N Ito

  • 1Department of Urology, Sapporo Medical College, Japan.

Archives of Andrology
|January 1, 1988
PubMed
Summary
This summary is machine-generated.

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Seminal human chorionic gonadotropin beta-subunit (hCG beta) levels correlate with sperm count and testicular function. Lower hCG beta indicates reduced sperm production, suggesting its utility as a marker for male reproductive health.

Area of Science:

  • Reproductive Endocrinology
  • Andrology
  • Biochemistry

Background:

  • Human seminal chorionic gonadotropin beta-subunit (hCG beta) is a hormone with potential implications in male reproductive health.
  • Previous research has primarily focused on hCG beta in serum, particularly in the context of pregnancy and certain tumors.

Purpose of the Study:

  • To investigate the levels and significance of seminal hCG beta in relation to sperm parameters and testicular function in men.
  • To explore the origin and potential diagnostic value of seminal hCG beta.

Main Methods:

  • Radioimmunoassay (RIA) was employed to quantify hCG beta levels in seminal plasma.
  • Correlation analyses were performed between seminal hCG beta levels and sperm count, testicular biopsy findings, and other seminal hormone levels (LH, FSH, testosterone).

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Main Results:

  • Seminal hCG beta levels were significantly higher in normal men compared to patients with varying degrees of oligozoospermia and azoospermia.
  • Seminal hCG beta positively correlated with sperm count, germinal cell index, testicular volume, and seminal testosterone levels.
  • Seminal hCG beta negatively correlated with seminal LH and FSH levels.
  • Elevated serum hCG beta was observed in testicular tumor cases, with lower seminal levels, suggesting localized secretion and blood-testis barrier disruption.

Conclusions:

  • Seminal hCG beta production is closely linked to spermatogenesis and testicular function.
  • Seminal hCG beta levels may serve as an effective index for assessing testicular function.
  • The prostate contributes approximately 1.5 ng/ml to seminal hCG beta levels.