showed a trendP =0.00244
The mRNA and protein levels of IFN-γ showed a trend similar to that of TNF-α (DRG: day 8, P =0.00244, day 14, P =0.00029, SC: day 8, P =0.00049, day 14, P =0.00096, HIP: day 8, P =0.00424, day 14, P =0.00288, Fig. 1 c; DRG: day 8, P =0.053, day 14, P =0.0021, SC: day 8, P =0.016, day 14, P =0.0060, HIP: day 8, P =0.023, day 14, P =0.078, Fig. 1 e).