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- W2170943987 abstract "The hypothesis that Candida albicans isolate (CR1) from an HIV-infected individual induced apoptosis of macrophages was examined by optical microscopy, binding of annexin V-FITC and analyses of DNA degradation (TUNEL tests and agarose gel electrophoresis). Resident murine peritoneal macrophages co-incubated for 5-15 min with C. albicans CR1 bound annexin V, whereas macrophages incubated with either heat-inactivated strain CR1, C. albicans 577 (isolated from a patient with mucocutaneous candidiasis) or C. albicans FCF14 (a mutant that did not produce proteases and phospholipases) did not bind annexin for up to 2 h of observation. However, macrophages exposed to C. albicans CR1 did not present the pattern of DNA degradation typical of apoptosis. Macrophages became increasingly permeable to propidium iodide from 30 min to 2 h after their exposure to C. albicans CR1. Most of the phagocytosed C. albicans CR1 yeast cells switched to germ-tubes inside the macrophages after incubation for 1-2 h. These results show that macrophages exposed to C. albicans CR1 presented early signs of apoptosis but progressed to necrosis, and suggest that Candida strains that readily switch to germ-tubes inside those apoptotic cells might have a competitive advantage in vivo because released germ-tubes resist further attack by macrophages." @default.
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- W2170943987 date "2002-11-01" @default.
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- W2170943987 title "Early membrane exposure of phosphatidylserine followed by late necrosis in murine macrophages induced by Candida albicans from an HIV-infected individual" @default.
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- W2170943987 doi "https://doi.org/10.1099/0022-1317-51-11-929" @default.
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