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 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 Correlation between hypoxia and HGF c MET expression in the management of pancreatic cancer ScienceDirect PG 001HGF Alternative Peptide (c Met Agonist) PeptiGrowth Inc. Dihexa c Met HGFR TargetMol