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Shrestha A, Joshi DR, Vaidya D, Shrestha SM, Singh A. Bacteriospermia in men among infertile couples in the Nepalese population. Syst Biol Reprod Med 2024; 70:240-248. [PMID: 39169640 DOI: 10.1080/19396368.2024.2391052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Revised: 08/03/2024] [Accepted: 08/06/2024] [Indexed: 08/23/2024]
Abstract
Infection of the male urogenital tract or male accessory glands is considered one of the important causes of male infertility, and results in the presence of bacteria in semen affecting the fertility potential of men. This study aims to understand the rate of seminal infection in infertile men, and its association with semen parameters related to fertility potential. The study was carried out from June 2021 to July 2022, in which 217 semen samples were collected from male partners of couples consulting for fertility complaints in a fertility center in Nepal. Analysis of semen parameters was done following the WHO guidelines for human semen analysis, 2021. Microbiological assessment of semen by culture-based approach showed bacteriospermia among 25.3% of samples. Staphylococcus aureus was the predominant isolate in semen. The volume of semen was reduced (p = 0.001 at 95% confidence interval) with bacteriospermia. The concentration, total motility, morphology, and vitality of spermatozoa in the samples tended to be negatively impacted due to bacteriospermia, however, the associations were insignificant at 95% CI. Our study indicates impairment of semen parameters is partially associated with bacterial infection, and hence bacteriospermia may be an important cause of male infertility. Our data represent a baseline for future in-depth studies on bacterial infection in the semen of infertile men in Nepal.
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Affiliation(s)
- Anima Shrestha
- Central Department of Microbiology, Institute of Science and Technology, Tribhuvan University, Kathmandu, Nepal
- Department of Microbiology, Tri-Chandra Multiple Campus, Tribhuvan University, Kathmandu, Nepal
| | - Dev Raj Joshi
- Central Department of Microbiology, Institute of Science and Technology, Tribhuvan University, Kathmandu, Nepal
| | | | | | - Anjana Singh
- Central Department of Microbiology, Institute of Science and Technology, Tribhuvan University, Kathmandu, Nepal
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Chen J, Pang N, Lu J, Liu G, Lee SP, Wang W. The effect of calcium oxalate stones and uric acid stones on male sexual function. Int Urol Nephrol 2024:10.1007/s11255-024-04127-0. [PMID: 38958853 DOI: 10.1007/s11255-024-04127-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Accepted: 06/14/2024] [Indexed: 07/04/2024]
Abstract
PURPOSE This study compared the effects of calcium oxalate stones and uric acid stones on male sexual function. METHODS We enrolled 100 patients with ureteral stones. According to the composition of the stones, they were divided into the calcium oxalate stone group and the uric acid stone group. All patients underwent ureteroscopic holmium laser lithotripsy. General data such as age, body mass index, course of disease, stone diameter, and degree of renal hydronephrosis were compared. Sperm parameters, including sperm density, sperm viability, and sperm deformity rate, as well as International Index of Erectile Function-5 questionnaire (IIEF-5) scores, and Quality of Life (QOL) scores, were measured and compared before and 6 weeks after the surgery. RESULTS There were no statistically significant differences in general data and sperm parameters between the two groups before the surgery (P > 0.05). However, there were significantly lower IIEF scores but significantly higher QOL scores in the uric acid stone group. In the calcium oxalate stone group, there were no statistically significant differences in sperm parameters, IIEF score, and QOL score before and after the surgery (P > 0.05). In the uric acid stone group, there were no statistically significant differences in sperm parameters before and after surgery (P > 0.05), whereas there were significantly higher IIEF scores but significantly lower QOL scores after the surgery (P < 0.05). The prevalence of erectile dysfunction (ED) in the uric acid stone group was 38.18% (21/55), which was significantly higher compared to 20.00% (9/45) in the calcium oxalate stone group (P < 0.05). The multivariate binary logistic regression analysis showed that the independent risk factor related to ED was uric acid stones (odds ratio: 2.637, 95% confidence interval 1.040-6.689, P = 0.041). No statistically significant differences were found in sperm parameters between patients with and without ED. CONCLUSION Compared with the calcium oxalate stone group, patients with uric acid stones had a higher prevalence of ED and poorer sexual performance.
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Affiliation(s)
- Jian Chen
- Department of Urology, Suzhou Hospital, Affiliated Hospital of Medical School, Nanjing University, No. 1, Lijiang Road, Huqiu District, Suzhou, 215153, China
| | - Nannan Pang
- Department of Pathology, The First Affiliated Hospital of Shihezi University, Shihezi, 832008, China
| | - Jianlin Lu
- Department of Urology, Suzhou Hospital, Affiliated Hospital of Medical School, Nanjing University, No. 1, Lijiang Road, Huqiu District, Suzhou, 215153, China
| | - Guodao Liu
- Department of Urology, Suzhou Hospital, Affiliated Hospital of Medical School, Nanjing University, No. 1, Lijiang Road, Huqiu District, Suzhou, 215153, China
| | - Shih-Pin Lee
- Department of Public Health, International College, Krirk University, No. 3 Ram Inthra Rd, Anusawari, Bang Khen, Bangkok, 10220, Thailand.
| | - Weiguo Wang
- Department of Urology, Suzhou Hospital, Affiliated Hospital of Medical School, Nanjing University, No. 1, Lijiang Road, Huqiu District, Suzhou, 215153, China.
- Department of Public Health, International College, Krirk University, No. 3 Ram Inthra Rd, Anusawari, Bang Khen, Bangkok, 10220, Thailand.
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Possible Implications of Bacteriospermia on the Sperm Quality, Oxidative Characteristics, and Seminal Cytokine Network in Normozoospermic Men. Int J Mol Sci 2022; 23:ijms23158678. [PMID: 35955814 PMCID: PMC9369207 DOI: 10.3390/ijms23158678] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 07/27/2022] [Accepted: 08/02/2022] [Indexed: 02/06/2023] Open
Abstract
This study focused on the identification of bacterial profiles of semen in normozoospermic men and their possible involvement in changes to the sperm structural integrity and functional activity. Furthermore, we studied possible fluctuations of selected cytokines, oxidative markers, and antibacterial proteins as a result of bacterial presence in the ejaculate. Sperm motility was assessed with computer-assisted sperm analysis, while sperm apoptosis, necrosis and acrosome integrity were examined with fluorescent methods. Reactive oxygen species (ROS) generation was quantified via luminometry, sperm DNA fragmentation was evaluated using the TUNEL protocol and chromatin-dispersion test, while the JC-1 assay was applied to evaluate the mitochondrial membrane potential. Cytokine levels were quantified with the biochip assay, whilst selected antibacterial proteins were quantified using the ELISA method. The predominant species identified by the matrix-assisted laser desorption/ionization time-of-flight (MALDI-TOF) mass spectrometry were Staphylococcus hominis, Staphylococcus capitis and Micrococcus luteus. The results revealed that the sperm quality decreased proportionally to the increasing bacterial load and occurrence of conditionally pathogenic bacteria, including Enterococcus faecalis, Staphylococcus aureus and Escherichia coli. Antimicrobial susceptibility tests revealed a substantial resistance of randomly selected bacterial strains to ampicillin, vancomycin, tobramycin, and tetracycline. Furthermore, an increased bacterial quantity in semen was accompanied by elevated levels of pro-inflammatory cytokines, including interleukin-1, interleukin-2, interleukin-6, tumor necrosis factor alpha as well as ROS overproduction and lipid peroxidation of the sperm membranes. Our results suggest that semen quality may be notably affected by the bacterial quantity as well as quality. It seems that bacteriospermia may be associated with inflammatory processes, oxidative stress, sperm structural deterioration, and a subsequent risk for the development of subfertility, even in normozoospermic males.
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