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Showing 1 to 20 of 30 for “"seminal plasma"”.
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Antimicrobial activity of human seminal plasma and seminal plasma proteins
Seminal plasma is semen without the spermatozoa. Human seminal plasma is a complex mixture of secretions from the sex accessory glands, mainly the seminal vesicles and the prostate. Seminal plasma has high protein content and it also contains ions, sugars and low molecular weight components. …
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The role of seminal plasma in cervical carcinoma
Cervical cancer is a worldwide public health problem with in excess of 370,000 cases being reported each year. It is the leading cause of death from cancer among women in the developing world where 80% of cases occur. Human papilloma virus (HPV) has been identified as the main causative factor …
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Seminal plasma and freeze-thaw injury to bovine sperm
… to determine the influence of sperm exposure to seminal plasma on freeze-thaw injury. In Experiment I, 14 ejaculates from 10 Holstein bulls were held at 32°C for either 0, 20, 40, 60, 120 or 240 min followed by dilution in egg yolk-citrate. All treatments were maintained at 32°C for 240 min …
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Effect of seminal plasma on cryopreservation and function of bovine spermatozoa
… was conducted to :1) determine the effect of seminal plasma (SP) on sperm viability parameters (estimated percent motile sperm, computer-aided percent motile sperm and percent intact acrosomes) and motion characteristics (average path velocity, VAP; curvilinear velocity, VCL; and straight line …
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Method development and proteomic profiling of boar seminal plasma using mass spectrometry-based workflows
… proteomic method suitable for profiling boar seminal plasma. To accomplish this aim, gel-based and in-solution methods were evaluated for depth-of-coverage, reproducibility and throughput. For the gel-based method, one-dimensional sodium dodecyl sulphate (SDS)-polyacrylamide gel …
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A study of the aggregating cationic antibacterial proteins and peptides in bovine seminal plasma
… properties. The antibacterial activity in bovine seminal plasma has been reported to be due to proteins which appeared to be present in aggregated forms (Eschenbruch, 1980; Shannon et al., 1987). This investigation was designed to account for the aggregation and disaggregation of the antibacterial …
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Determining the role of nerve growth factor-beta in seminal plasma on bovine reproduction
… growth factor-β (NGF) is a protein found in the seminal plasma of a variety of mammalian species. While initially known for regulating neuronal survival and differentiation, it was later discovered to interact within the endocrine and reproductive systems as well. Most notable is its function in …
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The interaction between semen, seminal plasma, and endometrium in inter- and intraspecies breeding in horses
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2025-03-28 without embargo terms
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Effect of bioxcell and triladyl extenders and removal of seminal plasma of equilibrated and cryopreserved goat semen
… (Triladyl® and Bioxcell®) and the removal of seminal plasma on goat buck semen. Six ejaculates were collected from six indigenous bucks by means of electro-ejaculator method, and semen was pooled, and replicated 10 times. Raw semen were randomly allocated into six groups as follows: (i) Raw …
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Characterization of Small Non-Coding RNAs in the Seminal Plasma of Beef Bulls with Predicted High and Low Fertility
… to maintain germline genome integrity. In bovine seminal plasma, piRNAs have not previously been characterized. Thus, the objective of this study was to investigate a potential relationship between expression of these sRNAs and fertility in beef bulls and to characterize piRNA expression in bull …
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Protein Contributions of the Male Accessory Organs to the Composition of Human Seminal Plasma as Determined by High Resolution Two-Dimensional Electrophoresis
<p>Human Seminal Plasma was evaluated using a High Resolution Two-Dimensional Electrophoresis technique adapted by this laboratory. Seminal plasma from healthy volunteers with recently proven fertility were characterized using this technique to establish "normal" protein distribution patterns in …
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The physiological significance of insemination in programming pregnancy outcome
… and insulin resistance. The influence of seminal plasma on the cytokine and immune uterine environment has been previously well characterised in mice, however the effects of disruption in uterine seminal plasma exposure for pregnancy outcome have not been investigated. The studies …
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The role of seminal plasma in the regulation of inflammation and inflammatory pathways in the cervix: potential for cervical cancer progression and HIV transmission in South African women
… transmission and acquisition of HIV infection. Seminal plasma (SP) has been shown to initiate inflammatory response within the female genital tract. Exposure of neoplastic cervical epithelial cells to SP has been shown to promote the growth of cancer cells in vitro and tumors in vivo by …
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The molecular pathways mediating the role of cyclooxygenase enzymes and prostaglandins in cervical neoplasias
… in cervical carcinomas can be activated by seminal plasma prostaglandins. Prostaglandin concentration in seminal plasma is 10,000 times higher than that found at a site of inflammation, and prostaglandin E2 is the predominant type of prostaglandin detected in semen. In order to investigate …
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The Kallikrein-Related Peptidases hK2 and PSA with Emphasis on Genetic Variation, Secretion, and Sperm Motility
… 2 (hK2) are secreted by the prostate into seminal plasma and through leakage into blood. This leakage increases rapidly in prostate disease, and PSA is used worldwide as a marker of prostate cancer. PSA is activated in vitro by hK2, and cleaves the semenogelins in semen, which releases …
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Avian Infectious Bronchitis Virus: A Tropism for the Rooster Reproductive Tract and Effects on Reproductive Performance
… stone formation and to characterize changes in seminal plasma composition. Specific objectives were: (1) to determine if AIBV can infect the epididymal region; (2) to investigate if vaccination with killed AIBV would result in epididymal stone formation; (3) to determine if AIBV affects …
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Localization of nerve growth factor-β in the stallion reproductive tract
… identified as the ovulation inducing factor in seminal plasma. NGF-β from seminal plasma deposited into the reproductive tract of the female camelid acts systemically to stimulate secretion of luteinizing hormone (LH) from the anterior pituitary, which in turn induces follicle maturation and …
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A study of the influence of sperm surface proteins on the activity of avian spermatozoa In-vitro and In-vivo
… to, and glycosylation and deglycosylation of seminal plasma and sperm surface-associated proteins, selective loss of proteins from the sperm surface, as well as secretion of some seminal plasma proteins and selective absorption of others by epithelial cells lining the excurrent ducts, …
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Distribution and biosynthesis of LH-RH and structurally related peptides
… material similar to that of the rat. Human seminal plasma was also investigated as a source of LH-RH-IR. When pooled seminal plasma from azoospermic males was fractionated by gel filtration some fractions had significant amounts of the rat testicular type of LH-RH.
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Exposure of 3D organotypic vaginal tissues to semen induces expression of the chemokine MCP-1, but does not alter tissue integrity
… response. We found that semen and/or seminal plasma did not induce the expression of proinflammatory cytokines, but did significantly upregulate the expression of MCP-1, a chemokine that can attract HIV target cells such as CD4+ T cells and macrophages. We believe this research closes …
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