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Factors Affecting British Teenagers' Contraceptive Use at First Intercourse：The Importance of Partner Communication
British Teenagers First Intercourse Contraceptive Use Partner Communication
2009/9/17
CONTEXT: Despite the growing body of knowledge about teenager's sexual and contraceptive behavior in the United Kingdom, much quantitative work has failed to consider the broader social contexts in wh...
Importance of bicarbonate to the progesterone-initiated human sperm acrosome reaction
Anion channel bicarbonate sperm acrosome reaction
2009/2/13
Progesterone, a putative in vivo initiator of the human sperm acrosome reaction (AR), has previously been shown to act at the sperm plasma membrane to initiate the AR in vitro. Here, we have investi...
Importance of total motile oval count in interpreting the hamster ovum sperm penetration assay
Computer-assisted sperm analysis (CASA) sperm morphology sperm motility sperm penetration assay (SPA)
2009/2/11
A prospective study relating computer-assisted semen analysis (CASA) and technician-determined morphology to sperm penetration assay (SPA) outcome in patients with unexplained infertility or male fa...
Importance of glycosylation and disulfide bonds in hyaluronidase activity of macaque sperm surface PH-20
Enzyme activity glycoprotein protein structure deglycosylation
2008/12/30
PH-20 is a glycoprotein located on the surface of the sperm plasma membrane and on the inner acrosomal membrane. The best understood function of sperm surface PH-20 is its hyaluronidase activity, ...
The Importance of Calcium in the Appearance of p32，a Boar Sperm Tyrosine Phosphoprotein，During In Vitro Capacitation
Tyrosine phosphorylation chelator A23187 indo-1
2008/12/19
After ejaculation, mammalian sperm must undergo a preparation period known as "capacitation" to become capable of fertilizing the oocyte. Although physiological capacitation occurs in the female g...
Importance of glycosylation and disulfide bonds in hyaluronidase activity of macaque sperm surface PH-20
Importance glycosylation disulfide bonds hyaluronidase activity macaque sperm surface PH-20
2008/12/2
PH-20 is a glycoprotein located on the surface of the sperm plasma membrane and on the inner acrosomal membrane. The best understood function of sperm surface PH-20 is its hyaluronidase activity, wh...