Important note: Information in this article was accurate in 2000. The state of the art may have changed since the publication date.
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Int J STD AIDS. 2000 Feb;11(2):76-9. Unique Identifier : AIDSLINE MED/20141941
Ainsworth JG; Hourshid S; Easterbrook PJ; Gilroy CB; Weber JN; Taylor-obinson D; Division of Medicine, Imperial College School of Medicine, St; Mary's Hospital, London, UK.
Abstract: We determined the relationship between the presence of Mycoplasma fermentans and Mycoplasma penetrans and the rate of progression of HIV-associated disease in a nested case-control study based on a cohort of 159 HIV-infected patients with different rates of disease progression. Study participants were divided into 3 progression groups: non-progressors who had been HIV-1 seropositive for at least 9 years and had remained asymptomatic with a CD4 cell count of > 500/mm3; slow progressors who had been HIV-1 seropositive for at least 9 years and whose CD4 cell count had fallen below 500 cells, and who had developed symptomatic disease or AIDS; and rapid progressors who had developed AIDS within 5 years of HIV infection. Peripheral blood mononuclear cells (PBMCs) were collected at enrollment and examined by mycoplasma polymerase chain reaction (PCR) assays. Three (7%) of 46 non-progressors, 3 (3%) of 86 slow progressors, and 2 (7%) of 27 rapid progressors were M. fermentans positive. The PBMCs from 91 subjects were tested for M. penetrans DNA and none was positive. The small proportion of M. fermentans-positive patients indicates that the mycoplasma cannot be important in the development of AIDS in the large majority of patients. Furthermore, no association was found between its presence and more rapid HIV disease progression.
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