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Seminal plasma antioxidants are related to sperm cryotolerance in the horse

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dc.contributor.authorCatalán, Jaime
dc.contributor.authorYánez Ortiz, Iván
dc.contributor.authorTvarijonaviciute, Asta
dc.contributor.authorGonzález Aróstegui, Luis Guillermo
dc.contributor.authorPeres Rubio, Camila
dc.contributor.authorBarranco Cascales, Isabel
dc.contributor.authorYeste, Marc
dc.contributor.authorMiró, Jordi
dc.contributor.departmentMedicina y Cirugía Animal
dc.date.accessioned2025-10-17T08:27:33Z
dc.date.available2025-10-17T08:27:33Z
dc.date.copyright© 2022 by the authors
dc.date.issued2022-06-28
dc.description.abstractThe objective of this study was to determine the relationship of enzymatic (superoxide dismutase, SOD; glutathione peroxidase, GPX; catalase, CAT; and paraoxonase type 1, PON1) and non-enzymatic antioxidants (measured in terms of: Trolox equivalent antioxidant capacity, TEAC; cupric-reducing antioxidant capacity, CUPRAC; and ferric-reducing ability of plasma, FRAP), as well as the oxidative stress index (OSI) in seminal plasma (SP) with the resilience of horse sperm to freeze-thawing. Twenty-one ejaculates (one per individual) were collected and split into two aliquots: the first was used to harvest the SP and assess the activity levels of antioxidants and the OSI, and the second one was cryopreserved. The following post-thaw sperm quality parameters were evaluated: sperm motility, plasma membrane and acrosome integrity, mitochondrial membrane potential, intracellular levels of reactive oxygen species (ROS), and plasma membrane lipid disorder. Based on post-thaw total motility (TM) and plasma membrane integrity (SYBR14+/PI−), ejaculates were hierarchically (p < 0.001) clustered into two groups of good (GFE) and poor (PFE) freezability. The SP activity levels of PON1, SOD, and TEAC were higher (p < 0.05) in GFE than in PFE, showing a positive relationship (p < 0.05) with some sperm motility parameters and with plasma membrane (PON1 and TEAC) and acrosome (SOD and TEAC) integrity. In contrast, OSI was higher (p < 0.05) in the SP of PFE than in that of GFE, and was negatively correlated (p < 0.05) to some sperm motility parameters and to plasma membrane and acrosome integrity, and positively (p < 0.05) to the percentage of viable sperm with high plasma membrane lipid disorder. In conclusion, enzymatic (PON1 and SOD) and non-enzymatic (TEAC) antioxidants of SP are related to horse sperm cryotolerance. In addition, our results suggest that PON1 could be one of the main antioxidant enzymes involved in the control of ROS in this species. Further investigation is needed to confirm the potential use of these SP-antioxidants and OSI to predict sperm cryotolerance in horses.
dc.formatapplication/pdf
dc.format.extent20
dc.identifier.citationAntioxidants, 2022, Vol. 11, Issue 7 : 1279
dc.identifier.doi https://doi.org/10.3390/antiox11071279
dc.identifier.eissn2076-3921
dc.identifier.urihttp://hdl.handle.net/10201/167390
dc.languageeng
dc.publisherMDPI
dc.relationJ.C. was funded by the project “Demetra” (Dipartamente di Eccellenza 2018–2022, Grant: CUP_C46C18000530001), Ministry for Education, University and Research, Italy. I.Y.-O. was funded by the Secretary of Higher Education, Science, Technology and Innovation (SENESCYT), Ecuador (Scheme: Programa de Becas Internacionales de Posgrado 2019; Grant: CZ02-000507-2019). I.B. was financially supported by the European Union’s Horizon 2020 research and innovation scheme (Grant: H2020-MSCA-IF-2019-891382). L.G-A. was funded by Fundación Séneca, Región de Murcia, Spain (Grant: 21453/FPI/20). C.P-R. was supported by the Ministry of Science and Innovation, Spain (Grant: FJC2019-042475-I). The authors also acknowledge the support from the Ministry of Science and Innovation, Spain (Grants: AGL2017-88329-R and PID2020-113320RB-I00), the Catalan Agency for Management of University and Research Grants, Regional Government of Catalonia, Spain (Grant: 2017-SGR-1229), and the Catalan Institution for Research and Advanced Studies (ICREA).
dc.relation.publisherversionhttps://www.mdpi.com/2076-3921/11/7/1279
dc.rightsAttribution 4.0 International
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectAntioxidants
dc.subjectCryopreservation
dc.subjectHorse
dc.subjectOxidative stress
dc.subjectReactive oxygen species
dc.subjectSeminal plasma
dc.subjectSperm
dc.subject.odsNo relacionado con ningún objetivo de desarrollo sostenible
dc.titleSeminal plasma antioxidants are related to sperm cryotolerance in the horse
dc.typeinfo:eu-repo/semantics/article
dspace.entity.typePublicationes
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relation.isAuthorOfPublication87fbaa15-1b64-4b43-8aea-a3384f66f772
relation.isAuthorOfPublication3c34d0d5-7d7d-4bcc-a119-8906f53baa7b
relation.isAuthorOfPublication.latestForDiscovery51159b46-4514-4a54-9cc7-dea538fc1efa
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