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A radioconjugate containing a monoclonal antibody directed against guanylyl cyclase C (GCC) labeled with the radioisotope gallium Ga 68, with positron emission tomography (PET) imaging activity. The monoclonal antibody moiety of MLN6907 selectively binds to GCC, a transmembrane receptor normally found on intestinal cells and dopaminergic neurons in the brain, that is also overexpressed on the surface of a variety of cancer cells. Upon internalization of the agent and PET, tumors expressing GCC can be visualized. Check for \'https://www.cancer.gov/about-cancer/treatment/clinical-trials/intervention/C113805\' active clinical trials using this agent. (\'http://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI%20Thesaurus&code=C113805\' NCI Thesaurus)
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