Fig. S3.

Human PBMC subsets express receptors for p17. PBMCs were isolated from leukopaks from healthy donors (New York Blood Center) with Lymphoprep. After RBC lysis, cells were stained with p17-Alexa Fluor 430 and surface markers. Live cells were gated as follows: B cells, CD19⁺CD3⁻; T cells, CD19⁻CD3⁺; NK cells, CD56⁺CD3⁻; and monocytes, CD14⁺. The percent positive (Left) and median fluorescence intensity (MFI; Right) for p17 staining among each subset is plotted (n = 6). The majority of B cells and monocytes bound p17, as expected.