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 Artificial human Met agonists based on macrocycle scaffolds Nature Communications Unveiling the Role of HGF c Met Signaling in Non Small Cell Lung Cancer Tumor Microenvironment HGF c Met 1 integrin signalling axis induces tunneling nanotubes in A549 lung adenocarcinoma cells Life Science Alliance