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Sperm penetration into the zona of 46 human eggs was examined by electron microscopy. Preovulatory oocytes were aspirated at laparoscopy and inseminated by methods which produced normal pregnancie...
Sperm acrosomal exocytosis is the result of a complex set of signal transduction pathways activated physiologically by the egg's extracellular matrix, the zona pellucida. In the mouse, the zona pe...
We evaluated the effects of in vitro exposure of sperm to synthetic FertPlus peptide, which represents a 60-amino acid sequence within rat prosaposin, using a microwell sperm-binding assay (SBA), ...
Preincubation of human spermatozoa in an egg yolk medium (TESTY) at 5 C, followed by washing at 37 C by centrifugation and resuspension in a standard medium (BWW), enhanced the percentage of spermat...
Many factors besides initial semen quality affect fertilization rates as sperm interact with the environment of the female reproductive tract. One of these factors is sperm transport, which can be eva...
A protein isolated from the supernatant of cryopreserved rooster sperm was found to increase the capability of cryopreserved rooster sperm to bind in vitro to the perivitelline membrane of a chicken e...
Sperm DNA Integrity From Sperm to Egg     Sperm DNA  Integrity  Sperm  Egg       2008/12/24
Infertility is a growing problem among couples trying to conceive; in the past the female partner was singled out as the primary reason for being unable to bear a child. Research now reveals that ...
The objective of this retrospective study was to distinguish between fertile and subfertile men based on their semen parameters and hamster egg penetration test (HEPT) outcome. This study involved 1...

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