Browsing Research in Reproduction and Contraception, Center for by Author "Zirkin, Barry R."
Now showing items 1-2 of 2
-
Intratesticular testosterone concentrations comparable with serum levels are not sufficient to maintain normal sperm production in men receiving a hormonal contraceptive regimen
Zirkin, Barry R.; Herbst, Karen L.; Yan, Xiaohua; Matsumoto, Alvin M.; Brown, Terry R.; Anawalt, Bradley D.; Amory, John K.; Wright, William W.; Jarow, Jonathan P.; Coviello, Andrea D.; Bremner, William J. (American Society of Andrology, 2004-11)Intratesticular testosterone (ITT) is thought to play a key role in the control of spermatogenesis in man but is rarely measured. The purposes of this study were 1) to examine the relationship between ... -
Low-dose human chorionic gonadotropin maintains intratesticular testosterone in normal men with testosterone-induced gonadotropin suppression
Yan, Xiaohua; Herbst, Karen L.; Sutton, Paul R.; Bremner, William J.; Wright, William W.; Anawalt, Bradley D.; Amory, John K.; Brown, Terry R.; Jarow, Jonathan P.; Zirkin, Barry R.; Coviello, Andrea D.; Matsumoto, Alvin M. (Endocrine Society, 2005-05)In previous studies of testicular biopsy tissue from healthy men, intratesticular testosterone (ITT) has been shown to be much higher than serum testosterone (T), suggesting that high ITT is needed relative ...