acrosome reaction


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Related to acrosome reaction: Cortical reaction, capacitation

acrosome reaction

[′ak·rə‚sōm rē‚ak·shən]
(cell and molecular biology)
A form of cellular exocytosis that allows sperm to penetrate the zona pellucida of ovulated eggs.
References in periodicals archive ?
We showed CatSper channel inhibition affects sperm motility, acrosome reaction, and sperm viability in stimulated and unstimulated conditions.
Tyrosine phosphorylation of a 95 kDa protein and induction of the acrosome reaction in human spermatozoa by recombinant human zona pellucida glycoprotein 3.
Increase in motility, viability, in vitro acrosome reaction and decrease in LPO (MDA) in semen supplemented with SP-HBP was statistical significant (p<0.
Assessment of sperm hyperactivated motility and acrosome reaction can discriminate the use of spermatozoa for conventional in vitro fertilisation or intracytoplasmic sperm injection: preliminary results.
reported that spermatozoon ROS content directly influences the levels and locations of tyrosine phosphorylation and then enables the spermatozoa to undergo acrosome reaction [14].
Acrosomal swelling and membrane docking are required for hybrid vesicle formation during the human sperm acrosome reaction.
Zonapellucida mediated acrosome reaction and sperm morphology.
Addition of Insulin Like Growth Factor Complex-I goat seminal plasma in goat semen centrifugation results maintain motility,viability and intact spermatozoa plasma membrane and increase the percentage of spermatozoa undergo capacitation and acrosome reaction decrease (Table 1).
Mouse sperm membrane potential hyperpolarization is necessary and sufficient to prepare sperm for the acrosome reaction.
It has been observed that the antisperm antibodies are responsible for reduced motility, decreased penetration of cervical mucus by sperm and blockage of acrosome reaction and thus intercepting sperm egg interaction.