Interleukin-3-mediated Cell Survival Signals Include Phosphatidylinositol 3-Kinase-dependent Translocation of the Glucose Transporter GLUT1 to the Cell Surface *
Journal of Biological Chemistry, ISSN: 0021-9258, Vol: 278, Issue: 41, Page: 39337-39348
2003
- 59Citations
- 42Captures
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations59
- Citation Indexes59
- 59
- CrossRef54
- Captures42
- Readers42
- 42
Article Description
Maintenance of glucose uptake is a key component in the response of hematopoietic cells to survival factors. To investigate the mechanism of this response we employed the interleukin-3 (IL-3)-dependent murine mast cell line IC2.9. In these cells, hexose uptake decreased markedly upon withdrawal of IL-3, whereas its readdition led to rapid ( t ½ ∼ 10 min) stimulation of transport, associated with an ∼4-fold increase in V max but no change in Km. Immunocytochemistry and photoaffinity labeling revealed that IL-3 caused translocation of intracellular GLUT1 transporters to the cell surface, whereas a second transporter isoform, GLUT3, remained predominantly intracellular. The inhibitory effects of latrunculin B and jasplakinolide, and of nocodazole and colchicine, respectively, revealed a requirement for both the actin and microtubule cytoskeletons in GLUT1 translocation and transport stimulation. Both IL-3 stimulation of transport and GLUT1 translocation were also prevented by the phosphatidylinositol 3-kinase inhibitors wortmannin and LY294002. The time courses for activation of phosphatidylinositol 3-kinase and its downstream target, protein kinase B, by IL-3 were consistent with a role in IL-3-induced transporter translocation and enhanced glucose uptake. We conclude that one component of the survival mechanisms elicited by IL-3 involves the subcellular redistribution of glucose transporters, thus ensuring the supply of a key metabolic substrate.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0021925820829755; http://dx.doi.org/10.1074/jbc.m305689200; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0141891296&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/12869574; https://linkinghub.elsevier.com/retrieve/pii/S0021925820829755; http://www.jbc.org/lookup/doi/10.1074/jbc.M305689200; https://syndication.highwire.org/content/doi/10.1074/jbc.M305689200; https://dx.doi.org/10.1074/jbc.m305689200
Elsevier BV
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