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[Ureaplasma urealyticum infection affects sperm plasma membrane integrity in infertile men]

Xin-Yi Xia1, Li-Mei An, Wei-Wei Li

  • 1Department of Andrology, Nanjing General Hospital of Nanjing Military Region, Nanjing, Jiangsu 210002, China. xiaxy@androl.cn

Zhonghua Nan Ke Xue = National Journal of Andrology
|January 13, 2012
PubMed
Abstract

Insights

Ureaplasma urealyticum infection significantly damages sperm plasma membrane integrity in infertile men. This bacterial infection may be a key factor contributing to male infertility.

Area of Science:

  • Reproductive biology
  • Microbiology
  • Urology

Context:

  • Male infertility affects a significant portion of couples seeking reproductive assistance.
  • Ureaplasma urealyticum (Uu) is a common bacterium found in the urogenital tract, with its role in male infertility debated.
  • Assessing the impact of Uu on sperm quality is crucial for understanding male reproductive health.

Purpose:

  • To investigate the effect of Ureaplasma urealyticum infection on sperm plasma membrane integrity in infertile males.
  • To quantify the difference in sperm plasma membrane integrity between Uu-infected and non-infected infertile men.

Summary:

  • A study compared 32 infertile males with Uu infection to 31 infertile males without infection.
  • Sperm plasma membrane integrity was assessed using SYBR-14/PI double fluorescent staining and flow cytometry.
  • Results showed significantly lower sperm plasma membrane integrity (45.14%) in the Uu-infected group compared to the control group (72.68%).

Impact:

  • Ureaplasma urealyticum infection demonstrably reduces sperm plasma membrane integrity.
  • Compromised sperm plasma membrane integrity is a potential contributor to male infertility.
  • These findings highlight the importance of screening for Uu in infertile males to identify treatable causes of infertility.

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