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Calaf, Gloria M.Zepeda, Andrea B.Castillo Peñaloza, RodrigoFigueroa, Carolina A.Arias, ConsueloFigueroa, ElíasFarías, Jorge G.[Molecular aspects of breast cancer resistance to drugs (Review)]

Castillo Peñaloza, RodrigoZepeda, AndreaShort, StefaníaFigueroa, ElíasBustos Obregón, EduardoFarías, Jorge[Protective effects of polyunsatutared fatty acids supplementation against testicular damage induced by intermittent hypobaric hypoxia in rats]

Sperm DNA quality and gene expression are crucial for early embryo development. Abnormal genomic processes can cause irreversible damage to totipotent cells, thereby altering the capacity for cell differentiation. Cryopreservation is a complex procedure that exposes cells to extreme conditions; i...


Figueroa, ElíasLee Estévez, ManuelValdebenito, IvánFarías, Jorge G.Romero, Jaime[Potential biomarkers of DNA quality in cryopreserved fish sperm: impact on gene expression and embryonic development]Potential biomarkers of DNA quality in cryopreserved fish sperm: impact on gene expression and embryonic development

Semen conservation methods have been extensively studied for fish species over the last 60years. Cryopreservation techniques can be divided into two types: one with slow cooling rates like traditional freezing and the other with ultrarapid rates as used in vitrification. These protocols increase ...


Figueroa, ElíasFarías, Jorge G.Lee-Estevez, ManuelCerqueira, ViniciusMagnotti, CaioValdebenito, Iván[Cryopreservation and vitrification of fish semen: a review with special emphasis on marine species]Cryopreservation and vitrification of fish semen: a review with special emphasis on marine species

In this research we evaluated simple aspects of the sperm biology of Genypterus blacodes, in particular assessing the effects of pH (6, 7, 8 and 9), temperature (4, 8 and 16 degrees C) and osmolalities 100% sea water (1010 mOsm/kg, Control), 75% sea water (774 mOsm/kg, T-1), 50% sea water (488 mO...


Dumorne, KellyValdebenito, IvánContreras, PabloUlloa Rodríguez, PatricioRisopatrón, JennieFigueroa, ElíasEstévez, Manuel LeeDíaz, RommyFarías, Jorge[Effect of pH, osmolality and temperature on sperm motility of pink cusk-eel (Genypterus blacodes, (Forster, 1801))]Effect of pH, osmolality and temperature on sperm motility of pink cusk-eel (Genypterus blacodes, (Forster, 1801))

In this study, the morphology and ultrastructure of Genypterus blacodes spermatozoa were characterized through scanning and transmission electron microscopy. Findings revealed that the G. blacodes spermatozoa can be differentiated into three major parts: a spherical head without an acrosome (typi...


Durmone, KellyValdebenito, IvánRisopatron, JennieFigueroa, ElíasDíaz, RommyFarias, Jorge[Morphology and ultrastructure of pink cusk-eel (Genypterus blacodes, Schneider 1801) spermatozoa by scanning and transmission electron microscopy]Morphology and ultrastructure of pink cusk-eel (Genypterus blacodes, Schneider 1801) spermatozoa by scanning and transmission electron microscopy

Díaz, RommyLee Estevez, ManuelFigueroa, ElíasUlloa Rodríguez, PatricioSepulveda, NéstorFarias, Jorge G.[Study of the membrane lipid compostion of Atlantic salmon (Salmon salar) spermatozoa and its relaction with semen quality]Study of the membrane lipid compostion of Atlantic salmon (Salmon salar) spermatozoa and its relaction with semen quality

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