Search Results - "Risopatron, J"

Cryopreservation of Atlantic salmon Salmo salar sperm: effects on sperm physiology by Figueroa, E., Valdebenito, I., Merino, O., Ubilla, A., Risopatrón, J., Farias, J. G.

“…The objective of this study was to determine the effect of freezing on the function in Atlantic salmon Salmo salar spermatozoa. The semen was frozen in…”
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Spermatozoa vitrification of sex-reversed rainbow trout (Oncorhynchus mykiss): Effect of seminal plasma on physiological parameters by Figueroa, E., Risopatrón, J., Sánchez, R., Isachenko, E., Merino, O., Isachenko, V., Valdebenito, I.

“…This study was designed to test a vitrification method on spermatozoa of sex-reversed rainbow trout and determine the ability of sucrose, dimethyl sulfoxide…”
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Sperm cryopreservation with supplementation of α-tocopherol and ascorbic acid in freezing media increase sperm function and fertility rate in Atlantic salmon (Salmo salar) by Figueroa, E., Farias, J.G., Lee-Estevez, M., Valdebenito, I., Risopatrón, J., Magnotti, C., Romero, J., Watanabe, I., Oliveira, R.P.S.

“…The use of α-tocopherol and ascorbic acid in freezing medium prevents lipoperoxidation and damage by ROS (reactive oxygen species); however, the effects of…”
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Effects of Diet-Induced Obesity and Deficient in Vitamin D on Spermatozoa Function and DNA Integrity in Sprague-Dawley Rats by Sampaio, F. J., Gregorio, B. M., Sánchez, R., Merino, O., Risopatrón, J.

“…Obesity has adverse effects on male fertility and usually is diagnosed with a prevalence of vitamin D deficiency (VD-). Discussion on the impact of obesity/VD-…”
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Effect of short-term storage on sperm function in Patagonian blenny (Eleginops maclovinus) sperm by Contreras, P., Ulloa, P., Merino, O., Valdebenito, I., Figueroa, E., Farías, J., Risopatrón, J.

“…Short-term storage of semen is a useful strategy for preservation of fish spermatozoa in reproductive management, however, no information is available on…”
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Trehalose sustains a higher post‐thaw sperm motility than sucrose in vitrified human sperm by Schulz, M., Risopatrón, J., Matus, G., Pineda, E., Rojas, C., Isachenko, V., Isachenko, E., Sánchez, R.

“…Summary One of the cryopreservation methods that best preserves sperm function is vitrification. However, comparative studies have not been performed to…”
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Effect of short-term semen storage in salmon (Oncorhynchus mykiss) on sperm functional parameters evaluated by flow cytometry by Trigo, P., Merino, O., Figueroa, E., Valdebenito, I., Sánchez, R., Risopatrón, J.

“…Summary The short‐term storage of salmonid semen is a viable method for in vitro fertilisation. Previous studies have found that short‐term storage affects…”
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High temperature is essential for preserved human sperm function during the devitrification process by Mansilla, M. A., Merino, O., Risopatrón, J., Isachenko, V., Isachenko, E., Sánchez, R.

“…Summary Sperm vitrification is a cryopreservation method based on high‐speed freezing by direct exposure of cells in liquid nitrogen (N2L), thereby avoiding…”
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Fish ( Oncorhynchus mykiss) spermatozoa cryoprotectant-free vitrification: Stability of mitochondrion as criterion of effectiveness by Merino, O, Risopatrón, J, Sánchez, R, Isachenko, E, Figueroa, E, Valdebenito, I, Isachenko, V

“…The aim of the present investigations was to test a novel technology comprising cryoprotectant-free vitrification of the spermatozoa of rainbow trout and to…”
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Short‐term storage of salmonids semen in a sodium alginate‐based extender by Merino, O., Figueroa, E., Cheuquemán, C., Valdebenito, I., Isachenko, V., Isachenko, E., Sánchez, R., Farías, J., Risopatrón, J.

“…Summary Short‐term storage of semen is a useful strategy for preservation of fish spermatozoa. However, there is a significantly decrease on sperm function…”
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Spermatological research of experimentally farmed Patagonian blenny (Eleginops maclovinus) (Perciformes: Eleginopsidae) in Chile by Valdebenito, I, Cosson, J, Contreras, P, Sánchez, J C, Oliveira, R P S, Risopatrón, J, Farías, J G, Figueroa, E

“…Spermatological research of the Patagonian blennie was carried, specifically biometric parameters, sperm density, sperm count and motility in different…”
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Supplementation of IVF medium with melatonin: effect on sperm functionality and in vitro produced bovine embryos by Cheuquemán, C., Arias, M. E., Risopatrón, J., Felmer, R., Álvarez, J., Mogas, T., Sánchez, R.

“…Summary Gamete co‐incubation generates high free radical levels surrounding growing zygotes which may impair subsequent embryo viability. Melatonin eliminates…”
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Protective effect of butylated hydroxytoluene on sperm function in human spermatozoa cryopreserved by vitrification technique by Merino, O., Aguagüiña, W. E., Esponda, P., Risopatrón, J., Isachenko, E., Isachenko, V., Sánchez, R.

“…Summary Butylhydroxytoluene (BHT), a synthetic analogue of vitamin E, shows antioxidant and antiviral properties and has been successfully used for mammalian…”
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Cryoprotectant-free vitrification of fish (Oncorhynchus mykiss) spermatozoa: first report by Merino, O., Sánchez, R., Risopatrón, J., Isachenko, E., Katkov, I.I., Figueroa, E ., Valdebenito, I., Mallmann, P., Isachenko, V.

“…Summary The aims of this investigation were to test a novel technology comprising cryoprotectant‐free vitrification of the spermatozoa of rainbow trout and to…”
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Effects of Seminal Fluid Fractions on Plasma and Acrosome Membrane Integrity and Mitochondrial Membrane Potential Determined by Flow Cytometry in Chilled Canine Spermatozoa by Treulen, F, Sánchez, R, Risopatrón, J

“…Depending on the mammal species, the use of seminal plasma during semen processing for cryopreservation has been found to have both beneficial and detrimental…”
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Decrease in bovine in vitro embryo production efficiency during winter season in a warm‐summer Mediterranean climate by Cheuquemán, C., Loren, P., Arias, M., Risopatrón, J., Felmer, R., Álvarez, J., Mogas, T., Sánchez, R.

“…Summary Retrospective analysis of monthly embryo production from December 2011 to May 2015 and its correlation with meteorological data in our geographic zone…”
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Effect of short-term exposure of cumulus-oocyte complex to 3-morpholinosydnonimine on in vitro embryo development and gene expression in cattle by Loren, P, Cheuquemán, C, Sánchez, E, Risopatrón, J, Arias, ME, Felmer, R, Sánchez, R

“…Contents Short‐term exposure of gametes to different types of stress might induce stress tolerance in mammalian embryos. The aim of this study was to evaluate…”
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Vitrified sperm banks: the new aseptic technique for human spermatozoa allows cryopreservation at −86 °C by Sánchez, R., Risopatrón, J., Schulz, M., Villegas, J. V., Isachenko, V., Isachenko, E.

“…Summary The vitrification technique is simple, quick, cost‐effective and has showed a significantly stronger cryoprotective effect in contrast to conventional…”
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Identification of fatty acids in canine seminal plasma by Díaz, R., Inostroza, K., Risopatrón, J., Sanchez, R., Sepúlveda, N.

“…Summary Seminal plasma contains various biochemical components associated with sperm function. However, there is limited information regarding the fatty acid…”
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Assessment of Sperm Function Parameters and DNA Fragmentation in Ejaculated Alpaca Sperm (Lama Pacos) by Flow Cytometry by Cheuquemán, C, Merino, O, Giojalas, L, Von Baer, A, Sánchez, R, Risopatrón, J

“…Contents Flow cytometry has been shown to be an accurate and highly reproducible tool for the analysis of sperm function. The main objective of this study was…”
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