Figure 1
From: Behçet's disease
Proposed model of the pathogenesis in Behçet's disease. Ag, antigen; APC, antigen-presenting cells; HSP, heat shock protein; IFN, interferon; IL, interleukin; IPP, isoprenyl pyrophosphate; PPP, prenyl pyrophosphate; TCR, T-cell receptor; Th1, T helper cells type 1; TNF-α, tumor necrosis factor alpha.