Activated HGF c Met Axis in Head and Neck Cancer Recent Progress and Advances in HGF MET Targeted Therapeutic Agents for Cancer Treatment Dihexa c Met HGFR TargetMol Small molecule activation of the neurotrophin hepatocyte growth factor to treat Alzheimer disease Dihexa (also known as PNB 0408) is an experimental small molecule derived from angiotensin IV. It was engineered to cross the bloodbrain barrier and has shown synaptogenic effects in preclinical models. The often quoted Structural basis of the activation of c MET receptor Nature Communications