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Cited by 414

The DOI matches its Crossref record; 50 of the 50 references it cites were found in a registry or an index.

Mitochondrial control by DRP1 in brain tumor initiating cells

Open access
Xie, Qi, Wu, Qiulian, Horbinski, Craig M, Flavahan, William A, Yang, Kailin, Zhou, Wenchao, Dombrowski, Stephen M, Huang, Zhi, Fang, Xiaoguang, Shi, Yu, Ferguson, Ashley N, Kashatus, David F, Bao, Shideng, Rich, Jeremy N·2015·Nature Neuroscience

Abstract

Brain tumor initiating cells (BTICs) co-opt the neuronal high affinity glucose transporter, GLUT3, to withstand metabolic stress. We investigated another mechanism critical to brain metabolism, mitochondrial morphology, in BTICs. BTIC mitochondria were fragmented relative to non-BTIC tumor cell mitochondria, suggesting that BTICs increase mitochondrial fission. The essential mediator of mitochondrial fission, dynamin-related protein 1 (DRP1), showed activating phosphorylation in BTICs and inhibitory phosphorylation in non-BTIC tumor cells. Targeting DRP1 using RNA interference or pharmacologic inhibition induced BTIC apoptosis and inhibited tumor growth. Downstream, DRP1 activity regulated the essential metabolic stress sensor, AMP-activated protein kinase (AMPK), and targeting AMPK rescued the effects of DRP1 disruption. Cyclin-dependent kinase 5 (CDK5) phosphorylated DRP1 to increase its activity in BTICs, whereas Ca2+-calmodulin-dependent protein kinase 2 (CAMK2) inhibited DRP1 in non-BTIC tumor cells, suggesting that tumor cell differentiation induces a regulatory switch in mitochondrial morphology. DRP1 activation correlated with poor prognosis in glioblastoma, suggesting that mitochondrial dynamics may represent a therapeutic target for BTICs.

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Metadata

Authors
Xie, Q., Wu, Q., Horbinski, C. M., Flavahan, W. A., Yang, K., Zhou, W., Dombrowski, S. M., Huang, Z., Fang, X., Shi, Y., Ferguson, A. N., Kashatus, D. F., Bao, S., & Rich, J. N.
Venue
Nature Neuroscience
Published
2015-03-02
Volume
18
Issue
4
Pages
501-510
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2074617654
Cited by
414
References
50
FWCI
13.51
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Mitochondrial control by DRP1 in brain tumor initiating cells. https://app.cochat.ai/papers/10.1038/nn.3960
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Xie, Q., Wu, Q., Horbinski, C. M., Flavahan, W. A., Yang, K., Zhou, W., Dombrowski, S. M., Huang, Z., Fang, X., Shi, Y., Ferguson, A. N., Kashatus, D. F., Bao, S., & Rich, J. N. (2015). Mitochondrial control by DRP1 in brain tumor initiating cells. Nature Neuroscience. https://doi.org/10.1038/nn.3960

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.