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. 2015 Jul 8;3:44. doi: 10.3389/fcell.2015.00044

Figure 4.

Figure 4

Phagocytosis assays. Cytospots confirmed the cellular uptake of (A) latex beads (green fluorescence), (B) E. coli (red fluorescence), and (C) Zymosan (red fluorescence) in activated monocytes. Additional staining for nuclei (blue) and CD68 (A red, B and C green). (D) Gating of live cells based on FS and SS characteristics in flow cytometry. (E) Particle uptake in PRNPTer/Ter and PRNP+/+ cells based on the results from two representative animals. Medium only was used as control. Gates indicate particle-containing cells, and in the case of latex beads, also gates for cells that had engulfed 2 particles or more (F–H) Compiled results of all animals showing percentage of monocytes containing (F) latex beads, (G) Zymosan and (H) E. coli, as measured by flow cytometry. For each assay, n = 8, except PRNPTer/Ter E. coli where n = 7.