Figure 1. FnLPS with or without 1000 ng mL IL-1ra-induced IL-1bsynthesis (*P < 0.05; **P < 0.01).
Figure 2. HDP IL-1bproduction induced by FnLPS and different concentrations of IL-1ra (*P < 0.05; **P < 0.01).
Figure 3.Effects of IL-1 rawhen added simultaneously or after stimulation of FnLPS (*P < 0.05; **P < 0.01).
Figure 4.Immunohistochemical localization of IL-1ra in the normal pulp (original magnification x20).
Figure 5.Immunohistochemical localization of IL-1ra in the inflamed dental pulp (original magnification x40).
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