The protein expressions of TNF-α, NF-κB, MMP-9, IL-6 and macrophage inflammatory protein (MIP)-1α, five indices of inflammation were highest in BD-T and lowest in BD-TMSC(3h, D1/3), and significantly higher in BD-TMSC(3h) than in BD-TMSC(D1/3). Here, MMP9 is linked to Behcet disease.