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Lindberg OR, McKinney A, Engler JR, Koshkakaryan G, Gong H, Robinson AE, Ewald AJ, Huillard E, David James C, Molinaro AM, Shieh JT, Phillips JJ. GBM heterogeneity as a function of variable epidermal growth factor receptor variant III activity. Oncotarget 2018; 7:79101-79116. [PMID: 27738329 PMCID: PMC5346701 DOI: 10.18632/oncotarget.12600] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2016] [Accepted: 09/29/2016] [Indexed: 11/25/2022] Open
Abstract
Abnormal activation of the epidermal growth factor receptor (EGFR) due to a deletion of exons 2-7 of EGFR (EGFRvIII) is a common alteration in glioblastoma (GBM). While this alteration can drive gliomagenesis, tumors harboring EGFRvIII are heterogeneous. To investigate the role for EGFRvIII activation in tumor phenotype we used a neural progenitor cell-based murine model of GBM driven by EGFR signaling and generated tumor progenitor cells with high and low EGFRvIII activation, pEGFRHi and pEGFRLo. In vivo, ex vivo, and in vitro studies suggested a direct association between EGFRvIII activity and increased tumor cell proliferation, decreased tumor cell adhesion to the extracellular matrix, and altered progenitor cell phenotype. Time-lapse confocal imaging of tumor cells in brain slice cultures demonstrated blood vessel co-option by tumor cells and highlighted differences in invasive pattern. Inhibition of EGFR signaling in pEGFRHi promoted cell differentiation and increased cell-matrix adhesion. Conversely, increased EGFRvIII activation in pEGFRLo reduced cell-matrix adhesion. Our study using a murine model for GBM driven by a single genetic driver, suggests differences in EGFR activation contribute to tumor heterogeneity and aggressiveness.
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Affiliation(s)
- Olle R Lindberg
- Department of Neurological Surgery, Brain Tumor Center, University of California, San Francisco, CA, USA
| | - Andrew McKinney
- Department of Neurological Surgery, Brain Tumor Center, University of California, San Francisco, CA, USA
| | - Jane R Engler
- Department of Neurological Surgery, Brain Tumor Center, University of California, San Francisco, CA, USA
| | - Gayane Koshkakaryan
- Touro University California, College of Osteopathic Medicine, Vallejo, CA, USA
| | - Henry Gong
- Department of Neurological Surgery, Brain Tumor Center, University of California, San Francisco, CA, USA
| | - Aaron E Robinson
- Department of Neurological Surgery, Brain Tumor Center, University of California, San Francisco, CA, USA
| | - Andrew J Ewald
- Departments of Cell Biology, Oncology, and Biomedical Engineering, School of Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Emmanuelle Huillard
- Université Pierre et Marie Curie (UPMC) UMR-S975, Inserm U1127, CNRS UMR7225, Institut du Cerveau et de la Moelle Epiniere, Paris, France
| | - C David James
- Department of Neurological Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Annette M Molinaro
- Department of Neurological Surgery, Brain Tumor Center, University of California, San Francisco, CA, USA.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA.,Epidemiology and Biostatistics, University of California, San Francisco, CA, USA
| | - Joseph T Shieh
- Institute for Human Genetics, Department of Pediatrics, University of California, San Francisco, CA, USA
| | - Joanna J Phillips
- Department of Neurological Surgery, Brain Tumor Center, University of California, San Francisco, CA, USA.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, CA, USA.,Department of Pathology, Division of Neuropathology, University of California, San Francisco, CA, USA
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Cao D, Amelia M, Klivansky LM, Koshkakaryan G, Khan SI, Semeraro M, Silvi S, Venturi M, Credi A, Liu Y. Probing Donor−Acceptor Interactions and Co-Conformational Changes in Redox Active Desymmetrized [2]Catenanes. J Am Chem Soc 2009; 132:1110-22. [DOI: 10.1021/ja909041g] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Dennis Cao
- The Molecular Foundry, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, California 94720, Department of Chemistry, University of California, Berkeley, California 94720, Dipartimento di Chimica “G. Ciamician”, Università degli Studi di Bologna, via Selmi 2, 40126 Bologna, Italy, and Department of Chemistry and Biochemistry, University of California, Los Angeles, 405 Hilgard Avenue, Los Angeles, California 90095
| | - Matteo Amelia
- The Molecular Foundry, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, California 94720, Department of Chemistry, University of California, Berkeley, California 94720, Dipartimento di Chimica “G. Ciamician”, Università degli Studi di Bologna, via Selmi 2, 40126 Bologna, Italy, and Department of Chemistry and Biochemistry, University of California, Los Angeles, 405 Hilgard Avenue, Los Angeles, California 90095
| | - Liana M. Klivansky
- The Molecular Foundry, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, California 94720, Department of Chemistry, University of California, Berkeley, California 94720, Dipartimento di Chimica “G. Ciamician”, Università degli Studi di Bologna, via Selmi 2, 40126 Bologna, Italy, and Department of Chemistry and Biochemistry, University of California, Los Angeles, 405 Hilgard Avenue, Los Angeles, California 90095
| | - Gayane Koshkakaryan
- The Molecular Foundry, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, California 94720, Department of Chemistry, University of California, Berkeley, California 94720, Dipartimento di Chimica “G. Ciamician”, Università degli Studi di Bologna, via Selmi 2, 40126 Bologna, Italy, and Department of Chemistry and Biochemistry, University of California, Los Angeles, 405 Hilgard Avenue, Los Angeles, California 90095
| | - Saeed I. Khan
- The Molecular Foundry, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, California 94720, Department of Chemistry, University of California, Berkeley, California 94720, Dipartimento di Chimica “G. Ciamician”, Università degli Studi di Bologna, via Selmi 2, 40126 Bologna, Italy, and Department of Chemistry and Biochemistry, University of California, Los Angeles, 405 Hilgard Avenue, Los Angeles, California 90095
| | - Monica Semeraro
- The Molecular Foundry, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, California 94720, Department of Chemistry, University of California, Berkeley, California 94720, Dipartimento di Chimica “G. Ciamician”, Università degli Studi di Bologna, via Selmi 2, 40126 Bologna, Italy, and Department of Chemistry and Biochemistry, University of California, Los Angeles, 405 Hilgard Avenue, Los Angeles, California 90095
| | - Serena Silvi
- The Molecular Foundry, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, California 94720, Department of Chemistry, University of California, Berkeley, California 94720, Dipartimento di Chimica “G. Ciamician”, Università degli Studi di Bologna, via Selmi 2, 40126 Bologna, Italy, and Department of Chemistry and Biochemistry, University of California, Los Angeles, 405 Hilgard Avenue, Los Angeles, California 90095
| | - Margherita Venturi
- The Molecular Foundry, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, California 94720, Department of Chemistry, University of California, Berkeley, California 94720, Dipartimento di Chimica “G. Ciamician”, Università degli Studi di Bologna, via Selmi 2, 40126 Bologna, Italy, and Department of Chemistry and Biochemistry, University of California, Los Angeles, 405 Hilgard Avenue, Los Angeles, California 90095
| | - Alberto Credi
- The Molecular Foundry, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, California 94720, Department of Chemistry, University of California, Berkeley, California 94720, Dipartimento di Chimica “G. Ciamician”, Università degli Studi di Bologna, via Selmi 2, 40126 Bologna, Italy, and Department of Chemistry and Biochemistry, University of California, Los Angeles, 405 Hilgard Avenue, Los Angeles, California 90095
| | - Yi Liu
- The Molecular Foundry, Lawrence Berkeley National Laboratory, One Cyclotron Road, Berkeley, California 94720, Department of Chemistry, University of California, Berkeley, California 94720, Dipartimento di Chimica “G. Ciamician”, Università degli Studi di Bologna, via Selmi 2, 40126 Bologna, Italy, and Department of Chemistry and Biochemistry, University of California, Los Angeles, 405 Hilgard Avenue, Los Angeles, California 90095
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Koshkakaryan G, Klivansky LM, Cao D, Snauko M, Teat SJ, Struppe JO, Liu Y. Alternative Donor−Acceptor Stacks from Crown Ethers and Naphthalene Diimide Derivatives: Rapid, Selective Formation from Solution and Solid State Grinding. J Am Chem Soc 2009; 131:2078-9. [DOI: 10.1021/ja809088v] [Citation(s) in RCA: 96] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Gayane Koshkakaryan
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720
| | - Liana M. Klivansky
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720
| | - Dennis Cao
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720
| | - Marian Snauko
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720
| | - Simon J. Teat
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720
| | - Jochem O. Struppe
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720
| | - Yi Liu
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720
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