No indication for tissue tropism in urogenital and anorectal Chlamydia trachomatis infections using high-resolution multilocus sequence typing

BMC Infectious Diseases

Sylvia M Bruisten³  Henry JC de Vries²  Maarten F Schim van der Loeff³  Martijn S van Rooijen¹  Bart Versteeg⁴ 

[1] STI outpatient clinic, Cluster Infectious Diseases, Public Health Service Amsterdam, Amsterdam, The Netherlands;Department of Dermatology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands;Center for Infections and Immunity Amsterdam (CINIMA), Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands;Public Health Laboratory, Cluster Infectious Diseases, Public Health Service Amsterdam, Amsterdam, The Netherlands

关键词: Sexually transmitted infections;    Men who have sex with men;    Cluster analysis;    High-resolution genotyping;    Chlamydia trachomatis;   

Others  :  1125749
DOI  :  10.1186/1471-2334-14-464

 received in 2014-03-28, accepted in 2014-08-12,  发布年份 2014

【 摘 要 】

Background

Previous studies showed that C. trachomatis strains found in MSM are different from those in heterosexuals. This study investigates whether the differences in strain distribution between MSM and heterosexuals are due to tissue tropism.

Methods

C. trachomatis positive samples were collected from MSM (anorectal) and women (anorectal, cervical, vaginal, pharyngeal) visiting the STI outpatient clinic of Amsterdam between 2008 and 2013. All samples were typed using multilocus sequence typing (MLST). Epidemiological data were derived from electronic patient records.

Results

We obtained full MLST data for C. trachomatis from 207 MSM and 185 women, all with anorectal infections. Six large clusters were identified of which 3 consisted predominantly of samples from women (89%-100%), whereas the other 3 consisted predominantly of samples from MSM (97%-100%). Furthermore, we obtained full MLST data from 434 samples of 206 women with concurrent infections at multiple anatomical locations. No association was observed between C. trachomatis cluster and the anatomical location of infection.

Conclusion

We found no indication for tissue tropism in urogenital, pharyngeal and anorectal C. trachomatis infections. Combined with results from previously conducted studies, we hypothesize that MSM and heterosexuals have different distributions of C. trachomatis strains due to their separate sexual networks.

【 授权许可】

   
2014 Versteeg et al.; licensee BioMed Central Ltd.

【 图 表 】

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