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  • Macias Garcia, B.Veterinary Teaching Hospital, Laboratory of Spermatology, University of Extremadura, Cáceres, Spain (author)

Membrane Lipids of the Stallion Spermatozoon in Relation to Sperm Quality and Susceptibility to Lipid Peroxidation

  • Article/chapterEnglish2011

Publisher, publication year, extent ...

  • 2011-01-18
  • Blackwell Publishing,2011
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:liu-75529
  • https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-75529URI
  • https://doi.org/10.1111/j.1439-0531.2010.01609.xDOI
  • https://res.slu.se/id/publ/47442URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Contents: Lipids were extracted from ejaculated spermatozoa from seven individual stallions to distinguish neutral lipids (NL) and polar lipids (PL) and determine their variation among stallions and their relationship with sperm quality and sperm susceptibility to lipid peroxidation. The isolated fatty acids were correlated with sperm quality (membrane integrity, mitochondrial membrane potential (ΔΨm) and expression of active caspases) and the sensitivity of the sperm plasma membrane to LPO. The miristic (C14: 0), palmitic (C16: 0), stearic (C18: 0) and oleic (C18: 1n9) acids were predominant among the NLs. Within the phospholipid fraction, the docosapentanoic acid (C22: 5n6) was dominant, albeit varying among stallions. Surprisingly, the percentage of polyunsaturated fatty acids was positively correlated with sperm quality and a low propensity for LPO, probably because these particular fatty acids provide a higher fluidity of the plasma membrane. The stallion showing the poorest sperm membrane integrity plus a high level of LPO in his ejaculate had a lower percentage (p less than 0.05) of this fatty acid in his sperm plasma membranes. © 2010 Blackwell Verlag GmbH.

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  • Gonzalez Fernandez, L.Department of Physiology, University of Extremadura, Avd de la Universidad s/n, Cáceres, Spain (author)
  • Ortega Ferrusola, C.Veterinary Teaching Hospital, Laboratory of Spermatology, University of Extremadura, Cáceres, Spain (author)
  • Salazar-Sandoval, C.Veterinary Teaching Hospital, Laboratory of Spermatology, University of Extremadura, Cáceres, Spain (author)
  • Morillo Rodriguez, A.Veterinary Teaching Hospital, Laboratory of Spermatology, University of Extremadura, Cáceres, Spain (author)
  • Rodriguez-Martinez, HeribertoSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Linköpings universitet,Utvecklingsbiologi,Hälsouniversitetet,Division of Reproduction, Faculty of Veterinary Medicine and Animal Sciences, SLU, Uppsala, Sweden,Institutionen för kliniska vetenskaper (KV),Department of Clinical Sciences(Swepub:slu)51370 (author)
  • Tapia, J.A.Department of Physiology, University of Extremadura, Avd de la Universidad s/n, Cáceres, Spain (author)
  • Morcuende, D.Department of Animal Production and Food Science Faculty of Veterinary Medicine, University of Extremadura, Avd de la Universidad s/n, Cáceres, Spain (author)
  • Pena, F.J.Veterinary Teaching Hospital, Laboratory of Spermatology, University of Extremadura, Cáceres, Spain (author)
  • Veterinary Teaching Hospital, Laboratory of Spermatology, University of Extremadura, Cáceres, SpainDepartment of Physiology, University of Extremadura, Avd de la Universidad s/n, Cáceres, Spain (creator_code:org_t)
  • Sveriges lantbruksuniversitet

Related titles

  • In:Reproduction in domestic animals: Blackwell Publishing46:1, s. 141-1480936-67681439-0531

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