A newly developed radiolabeled antibody that targets the cancer antigen IL13Rα2 has been found to be highly specific, binding only to cancer cells and not to the related antigen IL13Rα1, which is widely expressed in healthy tissues. Tested in multiple cancer types, the radiolabeled antibody was effective at delineating malignancies at a low injected mass dose and has the potential to be translated into radioimmunotherapy applications.
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