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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Sun, Yanping Luster, Andrew D. Kieran, Mark W. Kung, Andrew L. Schmidt, Karl Segal, Rosalind A. Klein, Robyn S. Rubin, Joshua B. Chan, Jennifer A. |
| Description | Author Affiliation: Rubin JB ( Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, MA 02115, USA.); |
| Abstract | The vast majority of brain tumors in adults exhibit glial characteristics. Brain tumors in children are diverse: Many have neuronal characteristics, whereas others have glial features. Here we show that activation of the Gi protein-coupled receptor CXCR4 is critical for the growth of both malignant neuronal and glial tumors. Systemic administration of CXCR4 antagonist AMD 3100 inhibits growth of intracranial glioblastoma and medulloblastoma xenografts by increasing apoptosis and decreasing the proliferation of tumor cells. This reflects the ability of AMD 3100 to reduce the activation of extracellular signal-regulated kinases 1 and 2 and Akt, all of which are pathways downstream of CXCR4 that promote survival, proliferation, and migration. These studies (i) demonstrate that CXCR4 is critical to the progression of diverse brain malignances and (ii) provide a scientific rationale for clinical evaluation of AMD 3100 in treating both adults and children with malignant brain tumors. |
| ISSN | 00278424 |
| e-ISSN | 10916490 |
| Journal | Proceedings of the National Academy of Sciences of the United States of America |
| Issue Number | 23 |
| Volume Number | 100 |
| Language | English |
| Publisher | National Academy of Sciences |
| Publisher Date | 2003-11-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Brain Neoplasms Drug Therapy Protein-Serine-Threonine Kinases Receptors, CXCR4 Antagonists & Inhibitors Animals Anti-HIV Agents Pharmacology Apoptosis Pathology Cell Division Cell Line, Tumor Chemokine CXCL12 Chemokines, CXC Biosynthesis Chemotaxis Glioblastoma Heterocyclic Compounds In Situ Nick-End Labeling Luciferases Metabolism Magnetic Resonance Imaging Medulloblastoma Mice Mitogen-Activated Protein Kinase 1 Mitogen-Activated Protein Kinase 3 Mitogen-Activated Protein Kinases Neoplasm Transplantation Proto-Oncogene Proteins Proto-Oncogene Proteins C-akt Time Factors Research Support, Non-U.S. Gov't Multidisciplinary |
| Content Type | Text |
| Resource Type | Article |
| Subject | Multidisciplinary |
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