Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/23179
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dc.contributor.authorO'Leary, S.-
dc.contributor.authorJasper, M.-
dc.contributor.authorRobertson, S.-
dc.contributor.authorArmstrong, D.-
dc.date.issued2006-
dc.identifier.citationReproduction, 2006; 132(1):147-158-
dc.identifier.issn1470-1626-
dc.identifier.issn1741-7899-
dc.identifier.urihttp://hdl.handle.net/2440/23179-
dc.descriptionCopyright © 2006 Society for Reproduction and Fertility-
dc.description.abstractSeminal plasma (SP) acts to influence the uterine endometrium after mating, activating synthesis of embryotrophic cytokines and inflammatory changes that condition the tract for embryo implantation and establishing pregnancy. The objective of this study was to investigate in pigs whether the ovary might also be responsive to SP exposure. Prepubertal gilts were synchronised with exogenous gonadotrophins and received transcervical treatment with pooled boar SP or PBS; then the ovarian tissue was recovered at 34 h (preovulation) and on days 5 and 9 after treatment. The ovarian response was assessed by measuring ovulation rate, number and size of corpora lutea, ovarian leukocyte populations, progesterone production in vivo, as well as responses of retrieved granulosa cells cultured in vitro. In SP-treated gilts, leukocyte recruitment into the ovarian tissues was increased fourfold at 34 h, with macrophages comprising the most abundant cell lineage. There was no effect of SP on the number of oocytes ovulated; however, the weight of corpora lutea was increased in SP-treated gilts. SP also induced an increase in plasma progesterone content seen from day 5 to at least day 9 after treatment. In addition, granulosa cells and thecal tissue retrieved from preovulatory follicles of SP-treated gilts were more responsive in vitro to growth factor- and gonadotrophin-stimulated cell proliferation and progesterone synthesis. These results suggest that uterine exposure to SP influences immune cell trafficking in the ovary and enhances steroidogenesis in early pregnancy. The effects of SP on ovarian function potentially contribute to reproductive success in the pig.-
dc.description.statementofresponsibilityS O’Leary, M J Jasper, S A Robertson and D T Armstrong-
dc.language.isoen-
dc.publisherBio Scientifica Ltd-
dc.source.urihttp://www.reproduction-online.org/cgi/content/abstract/132/1/147-
dc.subjectOvary-
dc.subjectCorpus Luteum-
dc.subjectOvarian Follicle-
dc.subjectGranulosa Cells-
dc.subjectLeukocytes-
dc.subjectCells, Cultured-
dc.subjectSemen-
dc.subjectAnimals-
dc.subjectSwine-
dc.subjectProgesterone-
dc.subjectDNA-
dc.subjectLeukocyte Count-
dc.subjectCell Count-
dc.subjectImmunohistochemistry-
dc.subjectCell Proliferation-
dc.subjectOvulation-
dc.subjectPregnancy-
dc.subjectTime Factors-
dc.subjectFemale-
dc.subjectMale-
dc.titleSeminal plasma regulates ovarian progesterone production, leukocyte recruitment and follicular cell responses in the pig-
dc.typeJournal article-
dc.identifier.doi10.1530/rep.1.01119-
pubs.publication-statusPublished-
dc.identifier.orcidO'Leary, S. [0000-0001-8454-9815]-
dc.identifier.orcidRobertson, S. [0000-0002-9967-0084]-
Appears in Collections:Aurora harvest 6
Obstetrics and Gynaecology publications

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