Figure 3.

Type II collagen-pulsed LF 15-0195-treated dendritic cells inhibit clinical development of collagen-induced arthritis. Twelve days after intradermal challenge with type II collagen (CII) (200 μg/mouse in complete Freund's adjuvant), DBA/1 LacJ mice were injected intraperitoneally with LF-treated dendritic cells (DC) (5 μg/ml) and CII-pulsed DC (10 μg/ml) (5 × 10⁶ cells/mouse). Controls were either treated with non-LF-treated but CII-pulsed DC or remained untreated. All mice were boosted by an intraperitoneal injection with the same dose of CII in PBS 9 days later. The mice were observed for 37 days after arthritis onset. Each limb was graded on a scale from 0 to 4 and the average clinical score per affected paw was calculated. Each point denotes the score of six mice in each group. Results represent one of three experiments. *P < 0.05 versus the control DC-treated group.