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Nasolacrimal Lavage as a Treatment for Ocular Surface Toxic Soup Syndrome
Published on: April 25, 2025
Imaging tumor angiogenesis
Kristy Red-Horse1, Napoleone Ferrara
1Genentech Inc., South San Francisco, California 94080, USA.
Abstract:
Since the discovery of vascular-specific growth factors with angiogenic activity, there has been a significant effort to develop cancer drugs that restrict tumorigenesis by targeting the blood supply. In this issue of the JCI, Mancuso et al. use mouse models to better understand the plasticity of the tumor vasculature in the face of antiangiogenic therapy (see the related article beginning on page 2610). They describe a rapid regrowth of the tumor vasculature following withdrawal of VEGFR inhibitors, emphasizing the importance of fully understanding the function of these and similar treatments used in the clinic at the cellular and molecular level.
Insights
Tumor blood vessel regrowth is rapid after stopping anti-angiogenic therapy. Understanding tumor vascular plasticity is crucial for effective cancer treatment strategies.
Area of Science:
- Oncology
- Vascular Biology
- Cancer Therapeutics
Background:
- Targeting tumor vasculature via anti-angiogenic therapy is a key cancer treatment strategy.
- Vascular endothelial growth factor receptor (VEGFR) inhibitors are commonly used to block tumor blood supply.
- Understanding the tumor's response to therapy is critical for improving treatment outcomes.
Purpose of the Study:
- To investigate the plasticity of tumor vasculature during anti-angiogenic therapy.
- To analyze the dynamics of tumor vascular regrowth after VEGFR inhibitor withdrawal.
- To emphasize the need for a deeper cellular and molecular understanding of anti-angiogenic treatment effects.
Main Methods:
- Utilized mouse models to study tumor vascularization.
- Administered VEGFR inhibitors to assess anti-angiogenic effects.
- Observed and analyzed tumor vasculature regrowth upon cessation of therapy.
Main Results:
- Demonstrated rapid regrowth of tumor vasculature after withdrawal of VEGFR inhibitors.
- Highlighted the dynamic and plastic nature of tumor blood vessels.
- Provided insights into the cellular and molecular mechanisms driving vascular recovery.
Conclusions:
- Tumor vasculature exhibits significant plasticity, rapidly recovering after anti-angiogenic treatment cessation.
- A comprehensive understanding of tumor vascular plasticity is essential for optimizing anti-angiogenic therapies.
- Further research into cellular and molecular mechanisms is needed to overcome treatment resistance and improve patient outcomes.
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