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. 1998 Apr;112(1):105–111. doi: 10.1046/j.1365-2249.1998.00563.x

Table 2.

HIV-1 infection of normal and macrophage colony-stimulating factor (M-CSF)-treated macrophages

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On day 21 supernatants were harvested for HIV-p24 titration by ELISA testing. Then the cultures were washed and refed with fresh medium containing the protein transport inhibitor brefeldin A. After 24 h incubation cells were fixed and stained for intracellular HIV-p24 and analysed by FACS. Five thousand to 10 000 cells were analysed for each sample. ND, Not done. The data are the arithmetic mean ± s.e.m. of three independent experiments.