Association of Toll-Like Receptor 2 (TLR2) Expression in Placenta and Intrauterine Exposure to Hepatitis B Virus

Figure 1

Immunohistochemical staining for TLR2 in placentas of mothers with hepatitis B. (a) TLR2 score of 0 (no villous trophoblast villi stained). (b) TLR2 score of 1 (<25% villous trophoblast villi stained). (c) TLR2 score of 2 (25–75% villous trophoblast villi stained). (d) TLR2 score of 3 (>75% villous trophoblast villi stained).

(a)

(b)

(c)

(d)