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- W2059103375 abstract "Prostate cancer (PCa) is the second most common cause of cancer-related death among men in the United States. Due to the lipid-driven metabolic phenotype of PCa, imaging with 2-deoxy-2-[18F]fluoro-d-glucose ([18F]FDG) is suboptimal, since tumors tend to have low avidity for glucose. We have used the fat oxidation inhibitor etomoxir (2-[6-(4-chlorophenoxy)-hexyl]oxirane-2-carboxylate) that targets carnitine-palmitoyl-transferase-1 (CPT-1) to increase glucose uptake in PCa cell lines. Small hairpin RNA specific for CPT1A was used to confirm the glycolytic switch induced by etomoxir in vitro. Systemic etomoxir treatment was used to enhance [18F]FDG-positron emission tomography ([18F]FDG-PET) imaging in PCa xenograft mouse models in 24 h. PCa cells significantly oxidize more of circulating fatty acids than benign cells via CPT-1 enzyme, and blocking this lipid oxidation resulted in activation of the Warburg effect and enhanced [18F]FDG signal in PCa mouse models. Inhibition of lipid oxidation plays a major role in elevating glucose metabolism of PCa cells, with potential for imaging enhancement that could also be extended to other cancers." @default.
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- W2059103375 date "2015-01-06" @default.
- W2059103375 modified "2023-10-14" @default.
- W2059103375 title "Inhibition of Lipid Oxidation Increases Glucose Metabolism and Enhances 2-Deoxy-2-[18F]Fluoro-d-Glucose Uptake in Prostate Cancer Mouse Xenografts" @default.
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- W2059103375 doi "https://doi.org/10.1007/s11307-014-0814-4" @default.
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