Tumor necrosis factor-like attenuated apoptosis inducer (TWEAK) is a new member of the tumor necrosis factor super family. TWEAK regulates cellular proliferation, differentiation, migration, apoptosis and inflammation by binding its receptor, fibroblast growth factor-inducible 14 (Fn14) , through the interaction between cells or in a paracrine fashion. The role of TWEAK / Fn14 signaling pathway in the development of lung diseases such as lung injury...