 I BMMΦ of wt and MyD88-/- were transduced with retrovirus expressing pMIGR1/Mal and stimulated with LP for 6 days, cells were then fixed and stained for immunofluorescence with nitrotyrosine (red) and DAPI (blue); scale bar, 100 µm. *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001 (two-tailed unpaired t-test). 