Paper Information

Journal:   INTERNATIONAL JOURNAL OF REPRODUCTIVE BIOMEDICINE (IRANIAN JOURNAL OF REPRODUCTIVE MEDICINE)   DECEMBER 2017 , Volume 15 , Number 12; Page(s) 763 To 770.
 
Paper: 

Comparison the diagnostic value of serological and molecular methods for screening and detecting Chlamydia trachomatis in semen of infertile men: A cross-sectional study

 
 
Author(s):  Khoshakhlagh Amin, SALMAN YAZDI REZA*, TAJ NAVAB AKBAR FARAH, GHAHERI AZADEH, Sadeghinia Shaghayegh, DADKHAH FARID
 
* Department of Andrology, Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
 
Abstract: 
Background: Chlamydia trachomatis (CT) with damaging effects on sperm quality parameters can often cause infertility in men. Objective: The main objective of this study was to determine the diagnostic value of polymerase chain reaction (PCR) and enzyme linked immuno sorbent assay (ELISA) for screening and detecting CT in semen samples of infertile men. Materials and Methods: In this cross-sectional study, 465 men referring to the clinical laboratory of Royan Institute were chosen for primary screening and detection of the presence of CT. 93 samples were normozoospermia with normal sperm parameters i. e. sperm number, motility and morphology (Asymptomatic) and 372 had abnormal sperm parameters (Symptomatic) in semen analysis. ELISA test was performed as the screening test. Samples with optical density (OD) >0. 200 were selected as the case and asymptomatic samples with OD <0. 200 were selected as the control group for the confirmatory test. PCR assay was used to confirm the serological results. Results: In the case groups (n=62), 4 out of 32 symptomatic samples (12. 5%), and 1 out of 30 asymptomatic samples (3. 3%) revealed positive results in PCR. No PCR positive sample was observed in the control group (n=34). The final results revealed that considering OD >0. 400 as the ELISA positive, the diagnostic value of CTELISA positive in symptomatic and asymptomatic infertile patients were 0. 019 (7 of 372) and 0. 021 (2 of 93), respectively. There was no relationship between the presence of CT infection and different sperm abnormalities. Conclusion: The anti-CT IgA ELISA test may be introduced as an appropriate tool for screening purpose in the seminal plasma to select suspicious samples for PCR confirmatory tests.
 
Keyword(s): Chlamydia trachomatis,Male infertility,ELISA,PCR,Screening
 
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