FLT3LG and post-traumatic stress disorder: However, recent studies have also found that ETFDH plays an important role in the development of several diseases [55, 56], suggesting the need for future research in order to explore its association with biological pathways that drive PTSD.Fms-related receptor tyrosine kinase 3 ligand (FLT3LG) is a growth factor that binds to and forms non-covalent dimers with FLT3 (CD135), acting as an agonist [57].