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Background Little is known about the affinity and stability of 99mTc-labeled 2-methoxyisobutylisonitrile (99mTc-MIBI) and tetrofosmin (99mTc-TF) for imaging of multiple drug resistance transporters in cancer. We examined the affinity of 99mTc-labeled compounds for these transporters and their stability. Methods 99mTc-MIBI and 99mTc-TF were incubated in vesicles expressing P-glycoprotein (MDR1),...
Early detection and/or prediction of metastasis provide more prognostic relevance than local recurrence. Direct spread into the peritoneum is frequently found in pancreatic cancer patients, but positron emission tomography (PET) with 2-deoxy-2-fluoro-d-glucose (FDG) is not useful for identifying such metastasis. We investigated a method to enhance FDG accumulation using AsPC-1 human ascites tumor...
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