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The gastrin releasing peptide receptors (GRPRs) overexpress in various tumors, which provided the opportunity for GRPR targeted tumor radiological diagnosis and therapy. In recent reports, the GPPR antagonists presented superior… Click to show full abstract
The gastrin releasing peptide receptors (GRPRs) overexpress in various tumors, which provided the opportunity for GRPR targeted tumor radiological diagnosis and therapy. In recent reports, the GPPR antagonists presented superior specific targeting affinity over the agonists. However, antagonists suffer from many shortcomings regarding their binding affinity and biodistribution properties. In this study, we designed the dimer/trimer antagonists to address the radiotherapy requirements. The results showed both of dimer and trimer RM26 derivatives appeared a progressive improvement. This study provided an efficient strategy to improve the tumor accumulation properties for the GRPR antagonist analogs.
Journal Title: Journal of Radioanalytical and Nuclear Chemistry
Year Published: 2019
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