Chlamydia trachomatis neither exerts deleterious effects on spermatozoa nor impairs male fertility.

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ID: 55684
2017
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Abstract
Chlamydia trachomatis is the most prevalent sexually transmitted bacterial infection. However, whether Chlamydia trachomatis has a negative impact on sperm quality and male fertility is still controversial. Herein, we report the effects on sperm quality of the in vitro exposure of spermatozoa to Chlamydia trachomatis, and also the effects of male genital infection on male fertility using an animal model. Human and mouse sperm were obtained from healthy donors and cauda epididimys from C57BL/6 mice, respectively. Highly motile human or mouse spermatozoa were in vitro exposed to C. trachomatis (serovar E or LGV) or C. muridarum, respectively. Then, sperm quality parameters were analyzed. Moreover, male fertility of Chlamydia muridarum infected male C57BL/6 mice was assessed. Human or murine sperm in vitro exposed to increasing bacterial concentrations or soluble factors from C. trachomatis or C. muridarum, respectively, did not show differences in sperm motility and viability, apoptosis, mitochondrial membrane potential, DNA fragmentation, ROS production and lipid peroxidation levels, when compared with control sperm (p > 0.05). Moreover, no differences in fertility parameters (potency, fecundity, fertility index, pre- and post-implantation loss) were observed between control and infected males. In conclusion, our results indicate that Chlamydia spp. neither directly exerts deleterious effects on spermatozoa nor impairs male fertility.
Reference Key
puerta-suarez2017chlamydiascientific Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Puerta Suarez, Jenniffer;Sanchez, Leonardo R;Salazar, Florencia C;Saka, Hector A;Molina, Rosa;Tissera, Andrea;Rivero, Virginia E;Cardona Maya, Walter D;Motrich, Ruben D;
Journal Scientific reports
Year 2017
DOI
10.1038/s41598-017-01262-w
URL
Keywords
lifestyle physical activity fertility sedentary sperm

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