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Role of the acrosome reaction in egg vestments and plasma membrane penetration






Fenichel, P, Parinaud, J, INSERM Colloquium; Human sperm acrosome reaction, Colloque INSERM; Human sperm acrosome reaction 133-149

Role of the acrosome reaction in egg vestments and plasma membrane penetration



Accession: 033272365



Related references

Rossato, M.; Zorzi, M.; Galeazzi, C.; Ostuni, F.; Caretta, N., 2000: Capacitative Ca2+ entry in human sperm and acrosome reaction Role of plasma membrane potential. Journal of Endocrinological Investigation 23(6 Suppl ): 17

Othón Hernández, E.; Roa-Espitia, A.L.; Cruz Trejo, J.; Mújica, A., 1996: Sperm protein (sp50) binds to acrosome and plasma membranes in a Ca(2+)-dependent manner: possible role in acrosome reaction. Two annexin-like proteins were obtained from guineapig testis, a doublet of molecular weight 31-33 kDa (p31/33) and a protein of 50 kDa (p50). Both proteins bound to erythrocyte ghosts in a Ca2+-dependent fashion. Polyclonal antibodies against p31...

Rossato, M.; D.V.rgilio, F.; Rizzuto, R.; Galeazzi, C.; Foresta, C., 2001: Intracellular calcium store depletion and acrosome reaction in human spermatozoa: role of calcium and plasma membrane potential. We evaluated the presence and role of internal calcium stores in human uncapacitated spermatozoa by determining the effects of two inhibitors of Ca2+ ATPase of the sarco-endoplasmic reticulum (SERCA-ATPase), thapsigargin and cyclopiazonic acid (CP...

Kumar, P.; Atreja, S.K., 2004: Phospholipids of the plasma membrane and outer acrosomal membrane during in vitro capacitation and acrosome reaction of the goat spermatozoa. The plasma membrane (PM) and outer acrosomal membrane (OAM)of fresh, capacitated and acrosome reacted spermatozoa were prepared using discontinuous sucrose density gradient centrifugation. The gross amount of lipids in PM was double than that foun...

Flaherty, S.P.; Olson, G.E., 1988: Membrane domains in guinea pig sperm and their role in the membrane fusion events of the acrosome reaction. In this study, we have examined the structure of domains of the periacrosomal plasma membrane (PM) and outer acrosomal membrane (OAM) of guinea pig sperm and defined their fate during the membrane fusion events of the acrosome reaction. Cauda epid...

Esaguy, N.; Welch, J.E.; O'Rand, M.G., 1988: Ultrastructural mapping of a sperm plasma membrane autoantigen before and after the acrosome reaction. The rabbit sperm plasma membrane autoantigen, RSA, is a zona binding protein that binds the spermatozoon to the zona pellucida both before and after the acrosome reaction. In the present study rabbit spermatozoa undergoing the acrosome reaction in...

Sabeur, K.; Edwards, D., P.; Meizel, S., 1996: Human sperm plasma membrane progesterone receptor(s) and the acrosome reaction. Progesterone initiation of the human sperm acrosome reaction (AR) includes stimulation of a transient Ca-2+ influx and a transient Cl-efflux. A role for one or more plasma membrane receptors has been suggested, but, except for evidence supporting...

Lee M.A.; Storey B.T., 1985: Evidence for plasma membrane impermeability to small ions in acrosome intact mouse spermatozoa bound to mouse zonae pellucidae using an aminoacridine fluorescent ph probe time course of the zona induced acrosome reaction monitored by both chlortetracycline and ph probe fluorescence. Capacitated mouse spermatozoa bind to zonae pellucidae of mouse eggs with acrosomes apparently intact. The question addressed in this study was the following: are the membrane permeability barriers of the apparently acrosome-intact sperm still ret...

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Li, M.; Chen, D., 1996: Relationship between plasma membrane Ca(2+)-ATPase activity and acrosome reaction in guinea pig sperm. The results obtained by biochemical measurement demonstrated for the first time that significant decrease of the plasma membrane Ca(2+)-ATPase activity occurred during capacitation and acrosome reaction of guinea pig sperm. Ethacrynic acid, one ki...