Research Article

Proinflammatory Cytokine Expression in Apical Periodontitis from Diabetic Patients

Figure 1

Photomicrographs of histological sections with the positive marking for proinflammatory cytokines in apical periodontitis lesions (immunoperoxidase; 40x). Diabetic patients-(a) IL-1β, (b) IL-17, and (c) TNF-α. Control patients-(d) IL-1β, (e) IL-17, and (f) TNF-α.