Search Results - "Cebrián‐Pérez, J. A."

Evidence of melatonin synthesis in the ram reproductive tract by Gonzalez‐Arto, M., Hamilton, T. R dos S., Gallego, M., Gaspar‐Torrubia, E., Aguilar, D., Serrano‐Blesa, E., Abecia, J.A., Pérez‐Pé, R., Muiño‐Blanco, T., Cebrián‐Pérez, J. A., Casao, A.

“…Summary Melatonin is a ubiquitous molecule found in a wide range of fluids, one of them being ram seminal plasma, in which it can reach higher concentrations…”
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Seminal Plasma Proteins and Sperm Resistance to Stress by Muiño-Blanco, T, Pérez-Pé, R, Cebrián-Pérez, JA

“…The role of seminal plasma (SP) in mammalian sperm function remains largely a matter of speculation as both inhibitory and stimulating effects have been found…”
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Melatonin in Sperm Biology: Breaking Paradigms by Cebrián‐Pérez, JA, Casao, A, González‐Arto, M, Santos Hamilton, TR, Pérez‐Pé, R, Muiño‐Blanco, T

“…Melatonin is a ubiquitous molecule, present in a wide range of organisms, and involved in multiple functions. Melatonin relays the information about the…”
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Cleaved PARP-1, an Apoptotic Marker, can be Detected in Ram Spermatozoa by Casao, A, Mata-Campuzano, M, Ordás, L, Cebrián-Pérez, JA, Muiño-Blanco, T, Martínez-Pastor, F

“…Contents The presence of apoptotic features in spermatozoa has been related to lower quality and functional impairment. Members of the poly‐ADP‐ribose…”
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Effects of Melatonin Implants During Non-Breeding Season on Sperm Motility and Reproductive Parameters in Rasa Aragonesa Rams by Casao, A, Vega, S, Palacín, I, Pérez-Pe, R, Laviña, A, Quintín, FJ, Sevilla, E, Abecia, JA, Cebrián-Pérez, JA, Forcada, F, Muiño-Blanco, T

“…The effect of melatonin implants administered during non-breeding season in Rasa Aragonesa rams on sperm motility parameters and other reproductive traits was…”
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Intracellular calcium movements of boar spermatozoa during ‘in vitro’ capacitation and subsequent acrosome exocytosis follow a multiple‐storage place, extracellular calcium‐dependent model by Yeste, M., Fernández‐Novell, J. M., Ramió‐Lluch, L., Estrada, E., Rocha, L. G., Cebrián‐Pérez, J. A., Muiño‐Blanco, T., Concha, I. I., Ramírez, A., Rodríguez‐Gil, J. E.

“…Summary This work analysed intracellular calcium stores of boar spermatozoa subjected to ‘in vitro’ capacitation (IVC) and subsequent progesterone‐induced…”
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In Vitro' Capacitation and Acrosome Reaction are Concomitant with Specific Changes in Mitochondrial Activity in Boar Sperm: Evidence for a Nucleated Mitochondrial Activation and for the Existence of a Capacitation-Sensitive Subpopulational Structure by Ramió-Lluch, L, Fernández-Novell, JM, Peña, A, Colás, C, Cebrián-Pérez, JA, Muiño-Blanco, T, Ramírez, A, Concha, II, Rigau, T, Rodríguez-Gil, JE

“…The main scope of this manuscript is to analyse the dynamics of mitochondrial activity in boar sperm subjected to ‘in vitro' capacitation (IVC) and subsequent…”
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Function of ram spermatozoa frozen in diluents supplemented with casein and vegetable oils by Del Valle, I, Souter, A, Maxwell, W.M.C, Muiño-Blanco, T, Cebrián-Pérez, J.A

“…The aim of this study was to assess biologically safer components as alternatives to egg yolk for the frozen storage of ram semen using casein, coconut or palm…”
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Quality characteristics and fertilizing ability of ram sperm subpopulations separated by partition in an aqueous two-phase system by Mendoza, N., Casao, A., Del Valle, I., Serrano, E., Nicolau, S., Asumpção, M.E.O.A., Muiño-Blanco, T., Cebrián-Pérez, J.A., Pérez-Pé, R.

“…► CCCD differentiates sperm subpopulations of different quality characteristics. ► These include apoptotic changes and capacitation state. ► Sperm recovered…”
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Effect of the Cryopreservation Process on the Activity and Immunolocalization of Antioxidant Enzymes in Ram Spermatozoa by Marti, E, Marti, J. I, Muino-Blanco, T, Cebrian-Perez, J. A

“…In this study, certain enzymes in ram semen involved in reactive oxygen species elimination and their changes during the cryopreservation process were…”
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Significance of Non‐conventional Parameters in the Evaluation of Cooling‐induced Damage to Ram Spermatozoa Diluted in Three Different Media by Del Valle, I, Mendoza, N, Casao, A, Cebrián‐Pérez, JA, Pérez‐Pé, R, Muiño‐Blanco, T

“…The objectives of this study were two. First, to compare three base media with different sugar composition as an initial step to achieve a good…”
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Underlying molecular mechanism in the modulation of the ram sperm acrosome reaction by progesterone and 17β-estradiol by Gimeno-Martos, S., Miguel-Jiménez, S., Casao, A., Cebrián-Pérez, J.A., Muiño-Blanco, T., Pérez-Pe, R.

“…•P4 and E2 induce changes in P-Tyr location in ram sperm.•P4, but not E2, increments ROS and Ca2+ levels in ram sperm.•P4 and E2 did not induce hyperactivation…”
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Steroid hormone receptors and direct effects of steroid hormones on ram spermatozoa by Gimeno-Martos, S, González-Arto, M, Casao, A, Gallego, M, Cebrián-Pérez, J A, Muiño-Blanco, T, Pérez-Pé, R

“…This study was based on the assumption that steroid hormones present in the female genital tract may have a rapid effect on ram spermatozoa by interaction with…”
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Involvement of progesterone and estrogen receptors in the ram sperm acrosome reaction by Gimeno-Martos, S., Santorromán-Nuez, M., Cebrián-Pérez, J.A., Muiño-Blanco, T., Pérez-Pé, R., Casao, A.

“…The steroid hormones 17-β estradiol (E2) and progesterone (P4) can regulate capacitation, hyperactive motility, and the acrosome reaction (AR) during the sperm…”
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Caffeine induces ram sperm hyperactivation independent of cAMP-dependent protein kinase by Colás, C, Cebrián-Pérez, J.A, Muiño-Blanco, T

“…We have previously shown that a cocktail-containing phosphodiesterase inhibitors (theophylline and caffeine), a phosphatase inhibitor (okadaic acid) and…”
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Identification of RSVP14 and RSVP20 Components by Two-dimensional Electrophoresis and Western-blotting by Cardozo, JA, Fernández-Juan, M, Cebrián-Pérez, JA, Muiño-Blanco, T

“…We have already shown that RSVP14 and RSVP20, two ram seminal plasma (SP) proteins postulated to be involved in sperm capacitation and gamete interaction can…”
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Expression, cellular localization, and involvement of the pentose phosphate pathway enzymes in the regulation of ram sperm capacitation by Luna, C., Serrano, E., Domingo, J., Casao, A., Pérez-Pé, R., Cebrián-Pérez, J.A., Muiño-Blanco, T.

“…Spermatozoa require substantially more ATP than other cells, not only for sustaining sperm motility but also for regulating protein phosphorylation during…”
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Ram seminal plasma proteins contribute to sperm capacitation and modulate sperm–zona pellucida interaction by Luna, C., Colás, C., Casao, A., Serrano, E., Domingo, J., Pérez-Pé, R., Cebrián-Pérez, J.A., Muiño-Blanco, T.

“…Incubation of ram spermatozoa in capacitating conditions with cAMP-elevating agents promotes a progressive time-dependent increase in the capacitated sperm…”
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Cryopreservation of aoudad (Ammotragus lervia sahariensis) sperm obtained by transrectal ultrasound-guided massage of the accessory sex glands and electroejaculation by Santiago-Moreno, J, Castaño, C, Toledano-Díaz, A, Esteso, M.C, López-Sebastián, A, Guerra, R, Ruiz, M.J, Mendoza, N, Luna, C, Cebrián-Pérez, J.A, Hildebrandt, T.B

“…This study examines (1) the effectiveness of transrectal, ultrasound-guided massage of the accessory sex glands (TUMASG) combined with electroejaculation for…”
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Seasonal variations in antioxidant enzyme activity in ram seminal plasma by Marti, E., Mara, L., Marti, J.I., Muiño-Blanco, T., Cebrián-Pérez, J.A.

“…Seminal oxidative stress status is emerging as a significant prognostic tool in assisted reproductive technology. A dynamic interplay between pro- and…”
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