Cited by 1,170Angiogenesis and VEGF in CancerBarrier Structure and Function StudiesCancer, Hypoxia, and Metabolism

Kinetics of vascular normalization by VEGFR2 blockade governs brain tumor response to radiation

Open access
Winkler, Frank, Kozin, Sergey V., Tong, Ricky T., Chae, Sung-Suk, Booth, Michael F., Garkavtsev, Igor, Xu, Lei, Hicklin, Daniel J. +4 more·2004·Cancer Cell

Abstract

The recent landmark Phase III clinical trial with a VEGF-specific antibody suggests that antiangiogenic therapy must be combined with cytotoxic therapy for the treatment of solid tumors. However, there are no guidelines for optimal scheduling of these therapies. Here we show that VEGFR2 blockade creates a "normalization window"--a period during which combined radiation therapy gives the best outcome. This window is characterized by an increase in tumor oxygenation, which is known to enhance radiation response. During the normalization window, but not before or after it, VEGFR2 blockade increases pericyte coverage of brain tumor vessels via upregulation of Ang1 and degrades their pathologically thick basement membrane via MMP activation.

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Crossref · 10.1016/j.ccr.2004.10.011

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  • Accumulating evidence shows that antiangiogenic drugs normalize the overall function of tumor vessels before disrupting tumor vessels to improve tumor blood supply and increase tissue oxygen content.

    “With the proposal of the “vascular normalization” theory, accumulating evidence has shown that antiangiogenic drugs normalize the overall function of tumor vessels before disrupting tumor vessels to improve tumor blood supply and increase the tissue oxygen content.”
  • Antiangiogenic drugs have a synergistic antitumor effect in combination with radiotherapy and chemotherapy in clinical practice.

    “Therefore, antiangiogenic drugs have a synergistic antitumor effect in combination with radiotherapy and chemotherapy in clinical practice.”

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Authors
Winkler, F., Kozin, S. V., Tong, R. T., Chae, S.-S., Booth, M. F., Garkavtsev, I., Xu, L., Hicklin, D. J., Fukumura, D., di Tomaso, E., Munn, L. L., & Jain, R. K.
Affiliations
Harvard University (US)
Corresponding author
Jain, Rakesh K.
Venue
Cancer Cell
Publisher
Elsevier BV
Published
2004-12
Volume
6
Issue
6
Pages
553-563
ISSN
1535-6108 (ISSN-L)
OpenAlex
W2028437938
Cited by
1,170
References
52
Citations by year
2026: 11 · 2025: 10 · 2024: 19 · 2023: 28 · 2022: 26 · 2021: 51 · 2020: 47 · 2019: 55 · 2018: 35 · 2017: 72 · 2016: 60 · 2015: 53 · 2014: 56 · 2013: 69 · 2012: 85
FWCI
18.59
Type
journal article
Language
en
Open access
Locations
  • Cancer Cell (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Deutsche Forschungsgemeinschaft
  • National Institutes of Health
  • National Cancer Institute (P01CA080124)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Angiogenesis and VEGF in Cancer
  • Life Sciences › Neuroscience › Neurology › Barrier Structure and Function Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cancer Research › Cancer, Hypoxia, and Metabolism
Keywords
vascular normalization, brain tumors, radiotherapy, anti-angiogenic therapy, tumor oxygenation, pericyte coverage, angiopoietin-1, basement membrane degradation, matrix metalloproteinases, tumor vasculature
MeSH terms
Chondroitin Sulfate Proteoglycan 4, Animals, Antibodies, Monoclonal, Antigens, Basement Membrane, Blood Vessels, Brain Neoplasms, Cell Movement, Combined Modality Therapy, Dipeptides, Fluorescein Angiography, Gamma Rays, Glioma, Humans, Immunohistochemistry, Male, Mice, Nude, Models, Biological, Neovascularization, Pathologic, Oxygen, Proteoglycans, Time Factors, Transfection, Blotting, Western, Up-Regulation, Gene Expression Regulation, Neoplastic, Apoptosis, Pericytes, Oligonucleotide Array Sequence Analysis, Angiogenesis Inhibitors, Matrix Metalloproteinases, Xenograft Model Antitumor Assays, Collagen Type IV, Ephrin-B2, Vascular Endothelial Growth Factor Receptor-2, Angiopoietin-1, Receptor, TIE-2, Cell Line, Tumor, Mice, Matrix Metalloproteinase Inhibitors

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