In recent years, a number of drugs targeting the prostate-specific membrane antigen (PSMA) have become important tools in the diagnosis and treatment of prostate cancer. In the present work, we report on the synthesis and preclinical evaluation of a series of 18F-labeled PSMA ligands for diagnostic application based on the theragnostic ligand PSMA-617. By applying modifications to the linker structure, insight into the structure-activity relationship could be gained, highlighting the importance of hydrophilicity and stereoselectivity on interaction with PSMA and hence the biodistribution. Selected compounds were co-crystallized with the PSMA protein and analyzed by X-rays with mixed results. Among these, PSMA-1007 (compound 5) showed the best interaction with the PSMA protein. The respective radiotracer [18F]PSMA-1007 was translated into the clinic and is, in the meantime, subject of advanced clinical trials.
- MeSH
- antigeny povrchové MeSH
- glutamátkarboxypeptidasa II antagonisté a inhibitory MeSH
- lidé MeSH
- ligandy MeSH
- nádory prostaty diagnostické zobrazování MeSH
- niacinamid analogy a deriváty chemie farmakologie MeSH
- oligopeptidy chemie farmakologie MeSH
- pozitronová emisní tomografie MeSH
- radiofarmaka farmakologie MeSH
- radioizotopy fluoru chemie MeSH
- Check Tag
- lidé MeSH
- mužské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
