Fig. 2

a TNF-α and b IL-6 concentrations from the three groups of dogs studied after each condition. Sick dogs (Group 1), Ibizan hounds (Group 2) and healthy controls (Group 3). An additional file shows statistics (see Additional file 1). Panels: Medium alone (Ø), soluble L. infantum antigen (LSA), concanavalin A (ConA), TLR2 (Pam3CSK4) receptor agonist (Ø+TLR2a) and TLR2a and LSA (LSA+TLR2a)