Abstract
Taking advantage of click chemistry, we synthesized triazole-containing RGD peptidomimetics capable of binding to αvβ3 integrin with diverse potency, and selected 125I-labeled compounds proved to interact in vitro and in vivo with αvβ3 integrin expressed by melanoma cells. Two 125I-compounds containing either 2-aminobenzimidazole or 2-aminopyridine groups as the arginine bioisostere with the capacity to selectively bind cells of highly expressing αvβ3 melanoma xenografts were found using micro-SPECT imaging studies.
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