Abstract:
:Tumors have a greater reliance on anaerobic glycolysis for energy production than normal tissues. We developed a noninvasive method for imaging glucose uptake in vivo that is based on magnetic resonance imaging and allows the uptake of unlabeled glucose to be measured through the chemical exchange of protons between hydroxyl groups and water. This method differs from existing molecular imaging methods because it permits detection of the delivery and uptake of a metabolically active compound in physiological quantities. We show that our technique, named glucose chemical exchange saturation transfer (glucoCEST), is sensitive to tumor glucose accumulation in colorectal tumor models and can distinguish tumor types with differing metabolic characteristics and pathophysiologies. The results of this study suggest that glucoCEST has potential as a useful and cost-effective method for characterizing disease and assessing response to therapy in the clinic.
journal_name
Nat Medjournal_title
Nature medicineauthors
Walker-Samuel S,Ramasawmy R,Torrealdea F,Rega M,Rajkumar V,Johnson SP,Richardson S,Gonçalves M,Parkes HG,Arstad E,Thomas DL,Pedley RB,Lythgoe MF,Golay Xdoi
10.1038/nm.3252subject
Has Abstractpub_date
2013-08-01 00:00:00pages
1067-72issue
8eissn
1078-8956issn
1546-170Xpii
nm.3252journal_volume
19pub_type
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