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Brain tumor initiating cells adapt to restricted nutrition through preferential glucose uptake.

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Title: Brain tumor initiating cells adapt to restricted nutrition through preferential glucose uptake.
Authors: Flavahan, William A, Wu, Qiulian, Hitomi, Masahiro, Rahim, Nasiha, Kim, Youngmi, Sloan, Andrew E, Weil, Robert J, Nakano, Ichiro, Sarkaria, Jann N, Stringer, Brett W, Day, Bryan W, Li, Meizhang, Lathia, Justin D, Rich, Jeremy N, Hjelmeland, Anita B
Source: Nature Neuroscience. Oct2013, Vol. 16 Issue 10, p1373-1382. 10p. 8 Diagrams.
Subjects: Brain tumors, Glucose, Blood-brain barrier, Cancer research, Glucose transporters
Abstract: Like all cancers, brain tumors require a continuous source of energy and molecular resources for new cell production. In normal brain, glucose is an essential neuronal fuel, but the blood-brain barrier limits its delivery. We now report that nutrient restriction contributes to tumor progression by enriching for brain tumor initiating cells (BTICs) owing to preferential BTIC survival and to adaptation of non-BTICs through acquisition of BTIC features. BTICs outcompete for glucose uptake by co-opting the high affinity neuronal glucose transporter, type 3 (Glut3, SLC2A3). BTICs preferentially express Glut3, and targeting Glut3 inhibits BTIC growth and tumorigenic potential. Glut3, but not Glut1, correlates with poor survival in brain tumors and other cancers; thus, tumor initiating cells may extract nutrients with high affinity. As altered metabolism represents a cancer hallmark, metabolic reprogramming may maintain the tumor hierarchy and portend poor prognosis. [ABSTRACT FROM AUTHOR]
Copyright of Nature Neuroscience is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Brain tumor initiating cells adapt to restricted nutrition through preferential glucose uptake.
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  Data: <searchLink fieldCode="AR" term="%22Flavahan%2C+William+A%22">Flavahan, William A</searchLink><br /><searchLink fieldCode="AR" term="%22Wu%2C+Qiulian%22">Wu, Qiulian</searchLink><br /><searchLink fieldCode="AR" term="%22Hitomi%2C+Masahiro%22">Hitomi, Masahiro</searchLink><br /><searchLink fieldCode="AR" term="%22Rahim%2C+Nasiha%22">Rahim, Nasiha</searchLink><br /><searchLink fieldCode="AR" term="%22Kim%2C+Youngmi%22">Kim, Youngmi</searchLink><br /><searchLink fieldCode="AR" term="%22Sloan%2C+Andrew+E%22">Sloan, Andrew E</searchLink><br /><searchLink fieldCode="AR" term="%22Weil%2C+Robert+J%22">Weil, Robert J</searchLink><br /><searchLink fieldCode="AR" term="%22Nakano%2C+Ichiro%22">Nakano, Ichiro</searchLink><br /><searchLink fieldCode="AR" term="%22Sarkaria%2C+Jann+N%22">Sarkaria, Jann N</searchLink><br /><searchLink fieldCode="AR" term="%22Stringer%2C+Brett+W%22">Stringer, Brett W</searchLink><br /><searchLink fieldCode="AR" term="%22Day%2C+Bryan+W%22">Day, Bryan W</searchLink><br /><searchLink fieldCode="AR" term="%22Li%2C+Meizhang%22">Li, Meizhang</searchLink><br /><searchLink fieldCode="AR" term="%22Lathia%2C+Justin+D%22">Lathia, Justin D</searchLink><br /><searchLink fieldCode="AR" term="%22Rich%2C+Jeremy+N%22">Rich, Jeremy N</searchLink><br /><searchLink fieldCode="AR" term="%22Hjelmeland%2C+Anita+B%22">Hjelmeland, Anita B</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Nature+Neuroscience%22">Nature Neuroscience</searchLink>. Oct2013, Vol. 16 Issue 10, p1373-1382. 10p. 8 Diagrams.
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  Data: Like all cancers, brain tumors require a continuous source of energy and molecular resources for new cell production. In normal brain, glucose is an essential neuronal fuel, but the blood-brain barrier limits its delivery. We now report that nutrient restriction contributes to tumor progression by enriching for brain tumor initiating cells (BTICs) owing to preferential BTIC survival and to adaptation of non-BTICs through acquisition of BTIC features. BTICs outcompete for glucose uptake by co-opting the high affinity neuronal glucose transporter, type 3 (Glut3, SLC2A3). BTICs preferentially express Glut3, and targeting Glut3 inhibits BTIC growth and tumorigenic potential. Glut3, but not Glut1, correlates with poor survival in brain tumors and other cancers; thus, tumor initiating cells may extract nutrients with high affinity. As altered metabolism represents a cancer hallmark, metabolic reprogramming may maintain the tumor hierarchy and portend poor prognosis. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Nature Neuroscience is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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