Hannah Lauren Williams. Undergraduate Medicine. Abstract Before a mature spermatozoon is able to fertilise the oocyte, it must first traverse the female reproductive tract, through obstacles such as highly viscous mucus. As the sperm is thought to be transcriptionally and translationally inactive, it must rely on cues from its external environment in order to alter its function.
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Semen analysis and sperm motility
Semen analysis and sperm motility | IVF1
This page of the essay has words. Download the full version above. The role of trace elements in sperm and whole semen quality may have significant influence upon men infertility Abou-Shakra et al. Human and animal evidence suggests that these metals may have adverse impacts on male reproductive health at relatively low levels.
PhD defence by Malte Stær Nissen
Inhibition of ejaculated human sperm protein phosphatase PP activity with calyculin-a CL-A significantly stimulates motility, implicating protein dephosphorylation in motility regulation. The present experiments were conducted to characterize and compare PP and GSK-3 activity in monkey caput and caudal epididymal sperm, to determine the cellular distribution of these enzymes, and to test the thesis that epididymal sperm PP activity is inversely related to motility. Caput epididymal sperm populations, 8. This PP activity was further identified by inhibitor response profiles as PP1.