Related Experiment Video
Updated: Jan 4, 2026

10:01
Modeling Brain Metastasis by Internal Carotid Artery Injection of Cancer Cells
Published on: August 2, 2022
7.8K
Vascular co-option in brain metastasis.
Pedro García-Gómez1, Manuel Valiente2
1Brain Metastasis Group, Spanish National Cancer Research Center (CNIO), Madrid, Spain.
Angiogenesis
|November 9, 2019
Summary
Brain metastasis-initiating cells use vascular co-option for colonization. Targeting integrins and L1CAM may inhibit aggressive growth and prevent brain metastases.
Area of Science:
- Oncology
- Cell Biology
- Neuroscience
Background:
- Vascular co-option is a critical step in brain metastasis.
- Cancer cell-endothelial cell interactions involve integrins and L1CAM.
- These interactions may influence tumor growth, latency, and immune evasion.
Purpose of the Study:
- To investigate the role of vascular co-option in brain metastasis.
- To identify potential therapeutic targets and inhibitors for brain metastases.
Main Methods:
- Analysis of molecular interactions between cancer cells and endothelial cells.
- Investigating the function of integrins and L1CAM in metastasis.
Main Results:
- Vascular co-option is essential for brain metastasis initiation.
- Integrins and L1CAM mediate cancer cell-endothelial cell interactions.
- These interactions are implicated in tumor aggressiveness, dormancy, and immune evasion.
Conclusions:
- Vascular co-option is a key mechanism in brain metastasis.
- Targeting integrins and L1CAM presents a promising strategy for preventing brain metastases.
Related Concept Videos
Mechanism of Angiogenesis
6.6K
Blood vessel formation starts early during embryonic development, around day 7. In the extraembryonic yolk sac, mesodermal precursor cells called hemangioblast proliferate and differentiate into angioblast. Angioblasts express vascular endothelial growth factor receptor 2 or VEGFR2, which binds VEGF-A, a proangiogenic factor, guiding blood vessel formation. VEGF signaling promotes angioblasts to form a blood island in the developing embryo. Angioblasts further differentiate, giving rise to...
6.6K
Metastasis
6.3K
Metastasis is the spread of cancer cells from the original site to distant locations in the body. Cancer cells can spread via blood vessels (hematogenous) as well as lymph vessels in the body.
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...
6.3K
Overview of the Vascular System
3.4K
The vascular system comprises an extensive network of arteries, capillaries, and veins. The vascular system can be broadly divided into the blood and lymphatic systems. Typically, blood vessels can be categorized into three histological regions: tunica intima, tunica media, and tunica adventitia. The tunica intima consists of a single layer of endothelial cells attached to the basal lamina. Underlying the basal lamina is a connective tissue layer and an elastic lamina that gives stability and...
3.4K

