Figure 2.

Serial analysis of BrdUrd-labeled cells during BrdUrd labeling and decay in normal and SIV-infected macaques. Macaques were labeled with BrdUrd for ≈2 wk and then observed during a washout phase of 4 wk. The percentage of BrdUrd-labeled cells was determined in peripheral blood lymphocytes twice a week for the duration of labeling and washout phases. Each symbol represents an individual time point for a given animal; open circles are normal animals, and filled circles are SIV-infected animals. For the labeling phase, a linear regression of the percentage of BrdUrd-labeled cells with 95% confidence intervals is shown for normal and SIV-infected animals. For the decay phase, a nonlinear regression of the percentage of BrdUrd-labeled cells is shown for normal and SIV-infected animals.