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Zeitschriftenartikel

Expression of inflammatory host genes in Chlamydia trachomatis-infected human monocytes

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons81935

Hess,  Simone
Department of Molecular Biology, Max Planck Institute for Infection Biology, Max Planck Society;

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Arthr_Res_Ther_2007_9_R54.pdf
(Verlagsversion), 215KB

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Zitation

Schrader, S., Klos, A., Hess, S., Zeidler, H., Kuipers, J. G., & Rihl, M. (2007). Expression of inflammatory host genes in Chlamydia trachomatis-infected human monocytes. Arthritis Research & Therapy, 9(3): R54. doi:10.1186/ar2209.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-000E-C306-D
Zusammenfassung
The aim of this study was to perform a comprehensive gene expression analysis of cytokines, chemokines, and their receptors in Chlamydia trachomatis-infected human monocytes in order to elucidate molecular aspects of their involvement in the host response. Peripheral blood mononuclear cells from three healthy donors were separated and infected with C. trachomatis elementary bodies serovar K (UW/31/Cx) at a multiplicity of infection of 5:1. Three time points of infection were studied by gene expression analysis using microarray: 4 hours (active infection), 1 day (transition), and 7 days (persistent infection). Expression levels of selected genes were confirmed by quantitative real-time reverse transcription-polymerase chain reaction. Transcripts encoding 10 cytokines, chemokines, and receptors were found to be upregulated exclusively in the early, active phase of the infection as compared to four genes in the late, persistent state of the infection. Apart from receptors, both the level and the number of transcripts encoding inflammatory products decreased with ongoing infection. Four genes (interferon-gamma, macrophage inflammatory protein [MIP]-1-alpha, MIP-1-beta, and interleukin-2 receptor-gamma) were constantly expressed over a period of 7 days. The current study provides data on the induction of mRNA encoding cytokines, chemokines, and their receptors in C. trachomatis-infected human monocytes. This pro-inflammatory gene expression profile of the monocytic host cell showed several differences between active and persistent chlamydial infections.