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Microb Pathog. 2013 Oct;63:54-8. doi: 10.1016/j.micpath.2013.06.003. Epub 2013 Jun 30.

Mycoplasmas infection in male HIV/AIDS patients in Jiangsu, China.

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Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, Jiangsu, People's Republic of China.


Mycoplasmas are widely distributed among animals, plants, and human. The four species namely, Mycoplasmas genitalium(Mg), Mycoplasmas fermentans(Mf), Mycoplasmas pentrans(Mpe), Mycoplasmas pirum(Mpi) are also called AIDS-associated mycoplasmas due to their involvement in the development and outcome of AIDS. To investigate the infection prevalence of Mg, Mf, Mpe and Mpi among male HIV/AIDS patients in Jiangsu Province and to analyze the relationship between pathogenic mycoplasmas and cellular immune function of them. First void urine and venous blood samples were collected and epidemiology questionnaires were administered after informed consent. Nested PCR was performed to determine the infection of Mg, Mf, Mpe and Mpi while ELISA assay was applied to detect interleukin-2(IL-2), interferon-γ(IFN-γ) and tumor necrosis factor-α(TNF-α). SAS 9.0 software was applied to analyze the data. A total of 713 HIV/AIDS patients were recruited in this study. The overall infection rates of Mg, Mf, Mpe and Mpi are 27.9%, 9.7%, 1.0% and 18.4% respectively. Generally, the infection rates of Mg(χ(2) = 10.311, P = 0.006) and Mpi were declined as the CD4+ cell counts increased, while Mf infection was higher in CD4+ T cell>350/μl group. The levels of cytokines are different with the variance of mycoplasmas infection. Mycoplasma infection among male HIV/AIDS patients is associated with changes in cellular immune response (cytokines). However, the affect of mycoplasmas on the immune function is complex, further studies are still required to elucidate whether mycoplasmas interact with HIV by interfering host immune system.


AIDS; HIV; Mycoplasmas

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