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. 2020 Jul 20;10:11991. doi: 10.1038/s41598-020-68770-0

Figure 2.

Figure 2

Gating Strategy and Microglia Identification at 24 h after Injury. Microglial cells were identified using the following gating strategy: cells were identified as the main population (with the orange population representing the counting beads), and then debris and cell aggregates were excluded using correlation of FSC area vs height. Dead cells were excluded using Ghost™ dye. For the visual comparison, microglia were identified as CD45+CD11b/c+P2y12+ cells. Panel A is representing sham ipsilateral while panel B represents CCI ipsilateral samples. Both are presented to imply on the dramatic changes that are observed only from this initial step. The enriched fraction of cells includes neutrophils, monocytes and macrophages that share similar markers to those of resident microglia (CD11bc but not only). Using P2y12 we were able to distinguish microglia (CD45+CD11b/c+P2y12+) from other cell types and characterize each subpopulation of the cells. (C) At 24 h after injury, we conclude, that the main population of cells underwent dramatic changes in size (FSC), granularity (SSC) and in its absolute cells number. We attribute these changes mostly to microglial cells as there are also increased in % from the total population observed. Values presented are mean values ± s.e.m (n = 3).