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Overview
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Background
2-NBDG is a fluorescence-labeled 2-deoxy-glucose analog useful as a tracer for evaluation of cellular glucose metabolism. Glucose is a necessary source of energy for sustaining cell activities and homeostasis in tissues. Glucose metabolism is an important target in many diseases and changed with the pathological condition, therefore, evaluation of glucose metabolism can be a significant indication in disease progressions.2-NBDG can be used in many kinds of cells in vitro, such as HepG2 human hepatocarcinoma cells, L6 rat skeletal muscle cells, MCF-7 breast cancer epithelial cells and astrocytes, it is also used in disease models, epilepsy rat, hyperglycemia, diabetes or mouse xenograft model of cancer. 2-NBDG enters cells through glucose transporters and is subsequently phosphorylated by hexokinase and trapped inside cells. Flow cytometric detection of fluorescence produced by cells can be performed to examine 2-NBDG uptake into living cells, and the intracellular concentration of transported 2-NBDG can be measured with a fluorescence microplate assay. It can be detected with a fluorescence imaging microscopy or CCD camera simply as well.
[1]. Zou C, Wang Y, Shen Z. 2-NBDG as a fluorescent indicator for direct glucose uptake measurement[J]. Journal of biochemical and biophysical methods, 2005, 64(3): 207-215.
[2]. O’Neil R G, Wu L, Mullani N. Uptake of a fluorescent deoxyglucose analog (2-NBDG) in tumor cells[J]. Molecular Imaging and Biology, 2005, 7(6): 388-392.
[3]. Tsytsarev V, Maslov K I, Yao J, et al. In vivo imaging of epileptic activity using 2-NBDG, a fluorescent deoxyglucose analog[J]. Journal of neuroscience methods, 2012, 203(1): 136-140.
[4]. Yan Chen, Junjian Zhang, Xiang-yang Zhang, 2-NBDG as a Marker for Detecting Glucose Uptake in Reactive Astrocytes Exposed to Oxygen-Glucose Deprivation In Vitro. J Mol Neurosci (2015) 55:126–130.
[5]. Vassiliy Tsytsareva,b,1,2, Konstantin I. Maslova,1,3, Junjie Yaoa,1,3, et al, In vivo imaging of epileptic activity using 2-NBDG, a fluorescent deoxyglucose analog, J Neurosci Methods. 2012 Jan 15;203(1):136-40.
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