TLR4 and fibromyalgia: Furthermore, augmented levels of TLR4-MyD88-TRAF6 were detected in the thalamus of the fibromyalgia mice (Figure 4F–H, * p < 0.05, n = 6), which decreased with the 2 Hz EA and PD-L1 (Figure 4F–H, Tukey’s test, # p < 0.05, n = 6).