E) Venn diagram showing the extent of differential gene expression in response to LPS in CX3CR1GFP/+ or CX3CR1GFP/+;Sfrp1-/- microglial cells. Fold change (75%) and adjusted p-value < 0.05 cut-off by the Wald test corrected for multiple comparisons by the Benjamini and Hochberg method. 