TNFSF14 and breast cancer: MSC produce high level of cytokines, such as IFN-α, DKK-1/3, IL12, TRAIL, TNFSF14 (also known as LIGHT), FLT-3 ligand, CXCL10 and LAP, known to inhibit tumor growth in vivo in breast cancer cells [177,178,179,180].