Fig. 2From: Lactobacilli can attenuate inflammation in mouse macrophages exposed to polyethylene particles in vitroLevels of TNF-α production by naïve macrophages. Macrophages were cultured with different concentrations (10, 1 or 0.1 bacteria per MΦ) of three different strains of lactobacilli, namely PC1, PC2 and LA for 12 h. Positive control wells were treated with LPS (1 µg/ml) for 12 h. Control wells (dark) had macrophages cultured in media. Data are represented as mean + SEM of two pooled experiments. Each group had triplicate wells. aP < 0.05, compared to media control; bP < 0.001 compared with LPS control; cP < 0.05, compared to high dose LA; dP < 0.05, compared to medium dose LA; eP < 0.05, compared to low dose LABack to article page