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Sperm Hyperactivation and Capacitation Induced By Light Stimuli in Cryopreserved Semen



V. Soto, M.A. Fuentes, G. Navidad, R.N. Meza, L.A. Mandujano, A.G. Salazar, C. Fernández, C. García, Y.E. Felipe-Pérez and D. Osorio-González


In mammals, such as rabbits, there are some factors involved in a possible fertilization, from complex changes in the membrane of the sperm to obstruction or non-existent of vas deferens, which creates problems in the number and quality of sperm. In this work, we report effects of rabbit sperm motility and capacitation of cryopreserved semen samples under light stimuli. The sperm velocities were correlated with the percentage of capacitated and non-capacitated sperm seen with a fluorescent dye. Consequently, we analyzed the specific correlations between irradiation times, supplied energy and fertility parameters.


Sperm capacitation, Fertility, light stimuli


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