The DOI matches its Crossref record; 10 of the 10 references it cites were found in a registry or an index.
Rapid vascular regrowth in tumors after reversal of VEGF inhibition
Open accessAbstract
Inhibitors of VEGF signaling can block angiogenesis and reduce tumor vascularity, but little is known about the reversibility of these changes after treatment ends. In the present study, regrowth of blood vessels in spontaneous RIP-Tag2 tumors and implanted Lewis lung carcinomas in mice was assessed after inhibition of VEGF receptor signaling by AG-013736 or AG-028262 for 7 days. Both agents caused loss of 50%-60% of tumor vasculature. Empty sleeves of basement membrane were left behind. Pericytes also survived but had less alpha-SMA immunoreactivity. One day after drug withdrawal, endothelial sprouts grew into empty sleeves of basement membrane. Vessel patency and connection to the bloodstream followed close behind. By 7 days, tumors were fully revascularized, and the pericyte phenotype returned to baseline. Importantly, the regrown vasculature regressed as much during a second treatment as it did in the first. Inhibition of MMPs or targeting of type IV collagen cryptic sites by antibody HUIV26 did not eliminate the sleeves or slow revascularization. These results suggest that empty sleeves of basement membrane and accompanying pericytes provide a scaffold for rapid revascularization of tumors after removal of anti-VEGF therapy and highlight their importance as potential targets in cancer therapy.
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Cited by
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Metadata
- Authors
- Mancuso, M. R., Davis, R., Norberg, S. M., O'Brien, S., Sennino, B., Nakahara, T., Yao, V. J., Inai, T., Brooks, P., Freimark, B., Shalinsky, D. R., Hu-Lowe, D. D., & McDonald, D. M.
- Venue
- Journal of Clinical Investigation
- Published
- 2006-10-02
- Volume
- 116
- Issue
- 10
- Pages
- 2610-2621
- ISSN
- 0021-9738 (ISSN-L)
- OpenAlex
- W2162352067
- Cited by
- 809
- References
- 10
- FWCI
- 16.94
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Mancuso, M. R., Davis, R., Norberg, S. M., O'Brien, S., Sennino, B., Nakahara, T., Yao, V. J., Inai, T., Brooks, P., Freimark, B., Shalinsky, D. R., Hu-Lowe, D. D., & McDonald, D. M. (2006). Rapid vascular regrowth in tumors after reversal of VEGF inhibition. Journal of Clinical Investigation. https://doi.org/10.1172/jci24612
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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