Our findings agree with previous reports that IL-6 and IDO in ADSCs from patients with rheumatic diseases (Kuca-Warnawin et al., 2019); however, the results of TSG-6 and PGE2 are inconsistent and the results of TSG-6 are contradictory(Kuca-Warnawin et al., 2019). Here, IDO1 is linked to rheumatic disorder.