Use Of PCR To Detect Mycoplasma Hominis And Ureaplasma Urealyticum From Semen Samples Of Infertile Men Who Referred To Royan Institute In 2009

Document Type : Original Article

Authors

1 Microbiology Department, School of Medicine, Iran University of Medical Sciences and Health Services, Tehran, Iran

2 Microbiology Laboratory, Royan Cord Blood Bank, Tehran, Iran

3 Molecular Biology Research Center, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran

4 Department of Andrology, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran

Abstract

Objective: Infection with genital Mycoplasmas may have harm effects on the reproductive health of men, thus leading to male infertility. This study was performed to detect the prevalence of these bacteria and to study the sperm parameters in infertile men who referred to Royan Institute during 2009.
Materials and Methods: Semen samples were collected from 220 infertile men and divided into three sections. The first section was used for semen analysis, the second section for polymerase chain reaction (PCR) in which U4 and U5 primers were used for the amplification of the urease gene of U. urealyticum, and RNAH1 and RNAH2 primers were used for amplification of the 16S rRNA gene of M. hominis.
Results: From a total of 220 semen samples cultured, 15.5% of M. hominis and 40.5% of U. urealyticum were isolated. Evaluation of semen parameters showed a lower pH in the U. urealyticum positive group and the group which was positive for both bacteria, rather than the group which contained no bacteria (p=0.007 and p=0.000, respectively). Also, the mean sperm motility was lower in the group which was positive for both bacteria when compared with the U. urealyticum positive group (p=0.009).
Conclusion: The results of this study show that a high percent of infertile men are infected with these bacteria which may lead to pelvic inflammatory disease (PID) and infertility, thus isolation of these bacteria in infertile couples with no clinical symptoms is necessary and can be a part of a sexual transmitted disease (STD) control program.

Keywords

Cell Journal (Yakhteh)
Volume 12, Issue 3
September 2010
Pages 371-380

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