Macaques with AIDS have increased pDC frequency in the ileum, colon, and rectum. (A) FACS plots depict the gating used and the frequency of pDCs and mDCs as a percentage of HLA-DR+ LIN− in different tissues from an SIV+ RM with AIDS. AxLN represents axillary LNs. Frequency of pDCs and mDCs as a percentage of HLA-DR+ LIN− cells in the peripheral and GALT (B) and gastrointestinal tract (C). Each symbol represents a RM.