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The potential advantages of sperm cryopreservation have not been fully accomplished due to the limiting detrimental effects the freezing process has on sperm structure and composition. Previous studies have suggested that cells suffer lipid peroxidation damage during the cryopreservation process, specifically indicating the damage results from mechanical stress during the preparatory and freezing processes. In this present study, sperm samples were analyzed for lipid stability throughout sample processing through evaluations for lipid peroxidation and lipid free radical concentration. Our analysis was completed in three experiments. In Exp. #1, lipid stability levels were evaluated from five separate boar ejaculates frozen using three different freezing methods to compare cryopreservation techniques. In Exp. #2, lipid peroxidation amounts for fresh post-ejaculate and albumin extended boar samples were compared. Experiment #3 involved evaluations of the semen processing to examine sample and seminal fluid alterations. Samples tested from the freezing protocol included fresh, extended, addition of a wash buffer, cooling to 17 ºC, centrifugation, addition of two egg-yolk extenders, cooling to 5 ºC and post-thaw values. Though there was no difference between the three freezing treatments, significant differences were noted between the fresh and extended samples (P < 0.001).
J. Simoni+ S.D. Prien. 2014. \u201cLipid Peroxidation during the Cryopreservation Process of Porcine Spermatozoa\u201d. Global Journal of Medical Research - E: Gynecology & Obstetrics GJMR-E Volume 14 (GJMR Volume 14 Issue E4): .
Crossref Journal DOI 10.17406/gjmra
Print ISSN 0975-5888
e-ISSN 2249-4618
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Total Score: 133
Country: United States
Subject: Global Journal of Medical Research - E: Gynecology & Obstetrics
Authors: H.A. Goolsby, G. Simoni, J. Simoni+ S.D. Prien (PhD/Dr. count: 0)
View Count (all-time): 148
Total Views (Real + Logic): 4425
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Publish Date: 2014 10, Sat
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The potential advantages of sperm cryopreservation have not been fully accomplished due to the limiting detrimental effects the freezing process has on sperm structure and composition. Previous studies have suggested that cells suffer lipid peroxidation damage during the cryopreservation process, specifically indicating the damage results from mechanical stress during the preparatory and freezing processes. In this present study, sperm samples were analyzed for lipid stability throughout sample processing through evaluations for lipid peroxidation and lipid free radical concentration. Our analysis was completed in three experiments. In Exp. #1, lipid stability levels were evaluated from five separate boar ejaculates frozen using three different freezing methods to compare cryopreservation techniques. In Exp. #2, lipid peroxidation amounts for fresh post-ejaculate and albumin extended boar samples were compared. Experiment #3 involved evaluations of the semen processing to examine sample and seminal fluid alterations. Samples tested from the freezing protocol included fresh, extended, addition of a wash buffer, cooling to 17 ºC, centrifugation, addition of two egg-yolk extenders, cooling to 5 ºC and post-thaw values. Though there was no difference between the three freezing treatments, significant differences were noted between the fresh and extended samples (P < 0.001).
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