Search Results - "Visconti, P.E."

Sperm Bioenergetics in a Nutshell1 by Visconti, P.E

“…Goodson et al. used a battery of glycolysable and nonglycolysable metabolic substrates to analyze the contribution of glycolysis and oxidative phosphorylation…”
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Guanine-Nucleotide Exchange Factors (RAPGEF3/RAPGEF4) Induce Sperm Membrane Depolarization and Acrosomal Exocytosis in Capacitated Stallion Sperm1 by McPartlin, L.A, Visconti, P.E, Bedford-Guaus, S.J

“…Capacitation encompasses the molecular changes sperm undergo to fertilize an oocyte, some of which are postulated to occur via a cAMP-PRKACA (protein kinase…”
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Novel signaling pathways involved in sperm acquisition of fertilizing capacity by Visconti, P.E., Westbrook, V.A., Chertihin, O., Demarco, I., Sleight, S., Diekman, A.B.

“…Capacitation is a complex series of molecular events that occurs in sperm after epididymal maturation and confers on sperm the ability to fertilize an egg…”
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Intracellular [Ca.sup.2+] threshold reversibly switches flagellar beat off and on by Sanchez-Cardenas, C, Montoya, F, Navarrete, F.A, Hernandez-Cruz, A, Corkidi, G, Visconti, P.E, Darszon, A

“…Sperm motility is essential for fertilization. The asymmetry of flagellar beat in spermatozoa is finely regulated by intracellular calcium concentration…”
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Treatment of cryopreserved bovine sperm with calcium ionophore A23187 increases in vitro embryo production by Osycka-Salut, C.E., Waremkraut, M., Garaguso, R., Piga, E., Martínez-León, E., Marín-Briggiler, C.I., Gervasi, M.G., Navarro, M., Visconti, P.E., Buffone, M.G., Mutto, A.A., Krapf, D.

“…After ejaculation, mammalian sperm undergo a series of molecular events conducive to the acquisition of fertilizing competence. These events are collectively…”
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Intracellular Ca2+ threshold reversibly switches flagellar beat off and on by Sánchez-Cárdenas, C, Montoya, F, Navarrete, F.A, Hernández-Cruz, A, Corkidi, G, Visconti, P.E, Darszon, A

“…Sperm motility is essential for fertilization. The asymmetry of flagellar beat in spermatozoa is finely regulated by intracellular calcium concentration…”
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Functional human sperm capacitation requires both bicarbonate-dependent PKA activation and down-regulation of Ser/Thr phosphatases by Src family kinases by Battistone, M A, Da Ros, V G, Salicioni, A M, Navarrete, F A, Krapf, D, Visconti, P E, Cuasnicú, P S

“…In all mammalian species studied so far, sperm capacitation correlates with an increase in protein tyrosine (Tyr) phosphorylation mediated by a…”
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Evidence for the involvement of proline-rich tyrosine kinase 2 in tyrosine phosphorylation downstream of protein kinase A activation during human sperm capacitation by Battistone, M A, Alvau, A, Salicioni, A M, Visconti, P E, Da Ros, V G, Cuasnicú, P S

“…Sperm capacitation involves an increase in intracellular Ca(2+) concentration as well as in protein kinase A (PKA)-dependent protein tyrosine (Tyr)…”
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K+ and Cl− Channels and Transporters in Sperm Function by Santi, C.M., Orta, G., Salkoff, L., Visconti, P.E., Darszon, A., Treviño, C.L.

“…To succeed in fertilization, spermatozoa must decode environmental cues which require a set of ion channels. Recent findings have revealed that K+ and Cl−…”
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Regulation of protein tyrosine phosphorylation during bovine sperm capacitation by a cyclic adenosine 3',5'-monophosphate-dependent pathway by GALANTINO-HOMER, H. L, VISCONTI, P. E, KOPF, G. S

“…Mammalian sperm capacitation, defined as an obligatory maturational process leading to the development of the fertilization-competent state, results from a…”
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Capacitation of mouse spermatozoa. I. Correlation between the capacitation state and protein tyrosine phosphorylation by Visconti, P E, Bailey, J L, Moore, G D, Pan, D, Olds-Clarke, P, Kopf, G S

“…The molecular basis of mammalian sperm capacitation, defined functionally as those processes that confer on the sperm the acquisition of…”
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Evidence for the involvement of proline-directed serine/threonine phosphorylation in sperm capacitation by Jha, K.N., Salicioni, A.M., Arcelay, E., Chertihin, O., Kumari, S., Herr, J.C., Visconti, P.E.

“…To become fertilization competent, mammalian sperm undergo changes in the female reproductive tract termed capacitation. Capacitation correlates with an…”
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Capacitation of mouse spermatozoa. II. Protein tyrosine phosphorylation and capacitation are regulated by a cAMP-dependent pathway by Visconti, P E, Moore, G D, Bailey, J L, Leclerc, P, Connors, S A, Pan, D, Olds-Clarke, P, Kopf, G S

“…In the accompanying report (Visconti, P.E., Bailey, J.L., Moore, G.D., Pan, D., Olds-Clarke, P. and Kopf, G.S. (1995) Development, 121, 1129–1137) we…”
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TSSK6, a member of the testis-specific serine kinase family, is required for sperm-egg fusion in the mouse by Sosnik, Julian, Miranda, P., Spiridonov, N., Yoon, S., Fissore, R.A., Johnson, G., Visconti, P.E.

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α-SNAP and NSF are required in a priming step during the human sperm acrosome reaction by Tomes, C.N., De Blas, G.A., Michaut, M.A., Farré, E.V., Cherhitin, O., Visconti, P.E., Mayorga, L.S.

“…The acrosome is a membrane-limited granule that overlies the nucleus of the mature spermatozoon. In response to physiological or pharmacological stimuli it…”
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K+ and Cl− Channels and Transporters in Sperm Function by Orta, G, Salkoff, L, Darszon, A, Santi, C.M, Visconti, P.E

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Roles of heterotrimeric and monomeric G proteins in sperm-induced activation of mouse eggs by Moore, G D, Ayabe, T, Visconti, P E, Schultz, R M, Kopf, G S

“…Results of several lines of experimentation suggest that sperm-induced egg activation has several features in common with G protein-coupled receptor signal…”
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