TLR4 and Behcet disease: As a matter of fact, toll‐like receptor (TLR) 2 and TLR4 expression in monocytes from BD patients have been detected as constitutively increased,47 whereas another paper has shown an increase in TLR6 expression of granulocytes from BD patients after stimulus with Streptococcus sanguinis or HSP‐60 compared with rheumatoid arthritis patients and healthy controls.48