Fig. 2
From: Role of NOD2 and hepcidin in inflammatory periapical periodontitis
Immunohistochemical expression of NOD2 in periapical tissues. a–d Representative images of the NOD2-positive staining in induced rat periapical inflammatory lesions. Rat periapical lesions showed a negative observation of NOD2 in control group. e Quantitative analysis of the NOD2 expression.Original magnification: ×4 (a and c), ×40 (b and d)