Semen quality and presence of cytokines in seminal fluid of bull ejaculates

Theriogenology
Oscar VeraM Gladys Muñoz

Abstract

It has been postulated that cytokines play an immunoregulatory role in human semen. The presence and levels of various cytokines, namely the interleukins 6, 10 (IL-6 and IL-10) and tumor necrosis factor alpha (TNFalpha) were investigated in the seminal plasma of six fertile crossbred bulls (Bos taurus x Bos indicus), using specific enzyme immunoassay. Cytokine levels were related to the semen quality of these bulls. A direct significant correlation between the level of IL-10 and individual sperm motility (r=0.84, P<0.036) was observed. The levels of IL-6 and IL-10 were inversely correlated (r=-0.93, P<0.006) and likewise in the same way an inverse correlation between the level of IL-6 and TNFalpha was observed (r=-0.84, P<0.037). These results confirm that cytokines are present in bull semen as has been demonstrated in human semen.

Citations

Mar 30, 2007·Molecular Reproduction and Development·Zhide DingYonglian Zhang
Mar 31, 2011·Molecular Reproduction and Development·Laura LecceChristopher R Murphy
May 23, 2006·Animal Reproduction Science·Maria Elena TurbaMonica Forni
Jan 14, 2012·Theriogenology·R Payan-CarreiraH Rodriguez-Martinez
Apr 13, 2013·Journal of Reproductive Immunology·C FranzB Toth
Feb 15, 2019·Frontiers in Immunology·Kieran G Meade, Cliona O'Farrelly
Dec 24, 2019·Frontiers in Veterinary Science·Isabel BarrancoInmaculada Parrilla

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