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PMID 6601587
Gene Name PP5
Condition Male infertility
Association There were significantly higher levels of hCG in subjects with normal sperm counts than in those with oligospermia or azoospermia. The levels of PP5 in seminal plasma showed an association with sperm motility, suggesting that PP5 may have a significant bi
Population size 62
Population details 62 (20 normal men and 42 patients with infertility)
Sex Male
Infertility type Male infertility
Other associated phenotypes Male infertility


Placental proteins (human chorionic gonadotropin, human placental lactogen, pregnancy-specific beta 1-glycoprotein, and placental protein 5) in seminal plasma of normal men and patients with infertility

Lee JN, Lian JD, Lee JH, Chard T.

Placental proteins, including human chorionic gonadotropin (hCG), human placental lactogen (hPL), pregnancy-specific beta 1-glycoprotein (SP1), and placental protein 5 (PP5) have been detected in human seminal plasma of 20 normal men and 42 patients with infertility. Levels of hPL, SP1, and PP5 were similar in these groups. There were significantly higher levels of hCG in subjects with normal sperm counts than in those with oligospermia or azoospermia. The levels of PP5 in seminal plasma showed an association with sperm motility, suggesting that PP5 may have a significant biologic function in the maintenance of sperm motility. FAU - Lee, J N AU - Lee JN FAU - Lian, J D AU - Lian JD FAU - Lee, J H AU - Lee JH