Search Results - "Beorlegui, N. B."

Protein tyrosine phosphorylation under capacitating conditions in porcine fresh spermatozoa and sperm cryopreserved with and without alpha tocopherol by Satorre, M. M., Breininger, E., Beconi, M. T., Beorlegui, N. B.

“…Summary The aim of this study was to evaluate the capacitation behaviour of fresh and α‐tocopherol frozen spermatozoa. Spermatozoa frozen with or without…”
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Reactive oxygen species requirements for bovine sperm capacitation and acrosome reaction by O'Flaherty, C.M., Beorlegui, N.B., Beconi, M.T.

“…Sperm capacitation is necessary for the fertilization of oocytes. During capacitation intracellular and membrane changes occur, that culminate with an…”
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Nitric oxide-induced capacitation of cryopreserved bull spermatozoa and assessment of participating regulatory pathways by Rodriguez, P.C., O’Flaherty, C.M., Beconi, M.T., Beorlegui, N.B.

“…The effect of nitric oxide (NO ) on the capacitation rates of cryopreserved bull spermatozoa and the participation of protein kinases in the capacitation…”
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Nitric oxide induces acrosome reaction in cryopreserved bovine spermatozoa by Rodriguez, P. C., O'Flaherty, C. M., Beconi, M. T., Beorlegui, N. B.

“…Summary The aim of this work was to study the effect of nitric oxide on acrosome reaction (AR) and the participation of protein kinases and reactive oxygen…”
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α-Tocopherol modifies tyrosine phosphorylation and capacitation-like state of cryopreserved porcine sperm by Satorre, M.M., Breininger, E., Beconi, M.T., Beorlegui, N.B.

“…Sperm cryopreservation is associated with the production of reactive oxygen species (ROS) leading to membrane destabilization, which induces capacitation-like…”
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Lactate dehydrogenase-C4 is involved in heparin- and NADH-dependent bovine sperm capacitation by O'Flaherty, C. M., Beorlegui, N. B., Beconi, M. T.

“…Lactate dehydrogenase C4 isoenzyme (LDH‐C4) is involved in the energy metabolism of spermatozoa. Sperm capacitation is considered part of an oxidative process;…”
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Sperm evaluation in cryopreserved bovine semen recovered by two selection methods by Trentalance, G. M., Beorlegui, N. B.

“…Previous experiments have established that various semen manipulation techniques are able to increase the qualitative features of the spermatozoa used in…”
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Phosphorylant capacity study and lactate mitochondrial oxidation in frozen bovine sperm by Beconi, M T, Beorlegui, N B, Sarmiento, N K, Mora, N G

“…Frozen-stored bovine sperm-pellets of proven fertility were used, and the response to respiratory chain effectors was studied, thus demonstrating the energy…”
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Intracellular calcium variation in heparin-capacitated bovine sperm by Cordoba, M, Santa-Coloma, T.A, Beorlegui, N.B, Beconi, M.T

“…This report investigates the mechanisms by which heparin induces capacitation of sperm. Capacitation was determined with chlortetracycline and intracellular…”
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Influence of antioxidants on SOD activity in bovine sperm by Beconi, M T, Affranchino, M A, Schang, L M, Beorlegui, N B

“…SOD activity and susceptibility to peroxidation on spermatozoa from frozen and fresh bovine semen were determined either in presence or not of synthetic (BHA)…”
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Mitochondrial calcium uptake in bovine frozen sperm by Beorlegui, N B, Córdoba, M, Beconi, M T

“…Mitochondria from bovine frozen semen are capable of preserving oxidative energy. The purpose of this work was to study calcium uptake by the inner…”
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Alpha-tocopherol improves biochemical and dynamic parameters in cryopreserved boar semen by Breininger, Elizabeth, Beorlegui, Norma B., O’Flaherty, Cristián M., Beconi, Martha T.

“…Cryopreservation is associated with the production of reactive oxygen species which lead to lipid peroxidation of sperm membranes. The objective was to…”
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ORIGINAL ARTICLE: Nitric oxide induces acrosome reaction in cryopreserved bovine spermatozoa by Rodriguez, P C, O'Flaherty, C M, Beconi, M T, Beorlegui, N B

“…The aim of this work was to study the effect of nitric oxide on acrosome reaction (AR) and the participation of protein kinases and reactive oxygen species in…”
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