Fig. 2From: Reduced expression of PD-L1 in autoimmune thyroiditis attenuate trophoblast invasion through ERK/MMP pathwayThe expression of PD-L1 (a), p-ERK (b), MMP-2 (c) and MMP-9 (d) was detected by immunohistochemistry (× 100) in placental trophoblast cells of mouse placenta. e Statistical analysis of immunohistochemical results (** P < 0.01, *** P < 0.001). f Expression of PD-L1, p-ERK, MMP-2 and MMP-9 in placental trophoblast cells by Western blotting. g Statistical analysis of Western Blot (** P < 0.01)Back to article page