DBA/1 mice with collagen II-induced arthritis were treated with GMSCs from the C57BL/6 J mouse, the B6Smn.C3-FasLgld/J mouse (FasL–/– GMSCs), and FasL overexpressed FasL–/– GMSCs (FasL TF GMSCs). Here, FASLG is linked to arthritic joint disease.