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Factors contributing to spontaneous Enterocytozoon bieneusi infection in simian immunodeficiency virus‐infected macaques
Author(s) -
Singh Inderpal,
Li Wenjun,
Woods Margo,
Carville Angela,
Tzipori Saul
Publication year - 2006
Publication title -
journal of medical primatology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.31
H-Index - 42
eISSN - 1600-0684
pISSN - 0047-2565
DOI - 10.1111/j.1600-0684.2006.00181.x
Subject(s) - simian immunodeficiency virus , biology , virology , immunology , micronutrient , immune system , medicine , pathology
Background A cohort of SIV‐infected macaques had been used to investigate the effect of dietary supplement, immune status, SIV/AIDS disease progression and serum micronutrients levels on spontaneous acquisition of Enterocytozoon bieneusi infection in SIV‐infected macaques. Methods Twenty‐four SIV‐infected macaques were randomized into 2 groups. One group received a vitamin/mineral supplementation and a second group received a placebo. Both groups were examined for E. bieneusi infection. Results SIV‐infected macaques were more prone to acquire E. bieneusi with the progression of SIV/AIDS, and the increased shedding of infectious spores was directly associated with decreased CD4 lymphocyte and increased circulating SIV, in both supplemented and unsupplemented groups of animals. Dietary supplementation, body composition factors and serum micronutrients levels however had no association with the acquisition of E. bieneusi infection in these animals. Conclusions Acquisition of E. bieneusi infection is related to SIV disease progression, CD4 counts and viral load but independent of changes in body composition and serum micronutrient levels.