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Related Concept Videos

Cancer Cell Migration through Invadopodia01:35

Cancer Cell Migration through Invadopodia

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Invadosome is a broad category of cell surface structures with proteolytic activity that  degrades the extracellular matrix (ECM). Invadosomes are present in normal cell types, including macrophages, endothelial cells, and neurons, as well as tumor cells. Although the macrophage podosomes and tumor cell invadopodia are classified as invadosomes, they have different structures, molecular pathways, and functions. Podosomes are short structures that last for a few minutes. However,...
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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...
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Integrins bind ligands and transmit information from outside the cell to inside or vice-versa through an "outside-in signaling" or "inside-out signaling."
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Related Experiment Video

Updated: Apr 16, 2026

Co-culture of Glioblastoma Stem-like Cells on Patterned Neurons to Study Migration and Cellular Interactions
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Mechanisms regulating glioma invasion.

Ivy Paw1, Richard C Carpenter1, Kounosuke Watabe2

  • 1Department of Cancer Biology, Wake Forest University School of Medicine, Winston-Salem, NC 27157, USA.

Cancer Letters
|March 23, 2015
PubMed
Summary

Glioblastoma (GBM) is a deadly brain cancer. Understanding GBM cell invasion pathways, like PI3K/Akt and Wnt, is crucial for developing more effective and less toxic treatments.

Keywords:
GlioblastomaHedgehogInvasionPI3KWnt

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Area of Science:

  • Neuro-oncology
  • Cancer Biology
  • Molecular Oncology

Background:

  • Glioblastoma (GBM) is the most aggressive primary brain tumor in adults.
  • Current treatments offer limited survival benefits, with a median survival of only 14 months.
  • GBM's invasive nature complicates surgical resection and radiotherapy, leading to treatment resistance.

Purpose of the Study:

  • To review signaling pathways regulating Glioblastoma invasion.
  • To discuss therapeutic strategies targeting GBM invasiveness.

Main Methods:

  • Literature review of signaling pathways involved in GBM invasion.
  • Analysis of therapeutic approaches impacting GBM cell infiltration.

Main Results:

  • Key pathways like PI3K/Akt, Wnt, sonic hedgehog-GLI1, and microRNAs significantly influence GBM invasion.
  • Anti-angiogenic therapies show limited efficacy against GBM invasiveness.
  • GBM tumors can acquire increased invasiveness post-treatment.

Conclusions:

  • A deeper understanding of GBM invasion mechanisms is essential for novel treatment development.
  • Targeting specific signaling pathways may offer more effective and less toxic therapeutic options for GBM.