Fig. 4From: Oral lichen-planus-associated fibroblasts acquire myofibroblast characteristics and secrete pro-inflammatory cytokines in response to Porphyromonas gingivalis lipopolysaccharide stimulationAFs were stimulated with LPS (10 ng/ml) for 0, 2, 4, 8, 12, 24 and 48 h, and supernatant was harvested for 9-plex cytokine evaluation (a-c). IL-6 was detected in OLP AF- and control-conditioned media using ELISA (d)Back to article page