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Revista chilena de obstetricia y ginecología

versión On-line ISSN 0717-7526

Resumen

GALARZO PARDO, Sebastián et al. Efecto de los factores solubles de Staphylococcus aureus, Staphylococcus capitis y Staphylococcus epidermidis sobre la funcionalidad espermática. Rev. chil. obstet. ginecol. [online]. 2015, vol.80, n.4, pp.316-323. ISSN 0717-7526.  http://dx.doi.org/10.4067/S0717-75262015000400006.

Background: The interaction between sperm with some bacteria species and their soluble factors are the deterioration of semen quality by altering the reproductive function of man. Aim: The aim of this study was to determine the effect of soluble factors Staphylococcus aureus, Staphylococcus epidermidis and Staphylococcus capitis on semen quality. Methods: The soluble factors product of bacterial metabolism of the strains of S. aureus and S. capitis methicillin sensitive and S. aureus and S. epidermidis resistant to oxacillin, were incubated with semen samples from 20 volunteers. Subsequently, conventional seminal parameters were measured and functional quantified by microscopy and flow cytometry, respectively. Results: A decrease was observed in sperm motility with soluble factors of S. aureus, this decrease was higher with the sensitive strain that with oxacillin resistant strain and the negative effect on motility was immediate. By incubating the sperm with soluble factor from oxacillin-sensitive S. aureus, all functional parameters were affected except the chromatin integrity and reduced release of reactive oxygen species, mean fluorescence intensity in oxacillin resistant S. aureus strain was decrease in membrane lipid peroxidation and annexin V expression. Conclusions: This study reports the negative effect of soluble factors of bacteria either S. aureus sensitive and resistant to oxacillin, over conventional and functional sperm parameters, and therefore in their reproductive function.

Palabras clave : Bacteria; soluble factors; sperm quality; sperm function; Staphylococcus.

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