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Isolation and Culture Expansion of Tumor-specific Endothelial Cells
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Endothelial Dll4-Notch signaling in tumor microenvironment: is there any hidden therapeutic opportunity?

Amit Kumar1, Sejal Desai1, Badri N Pandey1

  • 1Radiation Signaling and Cancer Biology Section, Radiation Biology and Health Sciences Division, Bhabha Atomic Research Centre, Mumbai-400 085, India.

Translational Lung Cancer Research
|March 26, 2015
PubMed

Insights

Tumor microenvironment interactions are key in cancer. Delta-like ligand 4 (Dll4) and Notch signaling regulate tumor growth, but further research is needed to target this pathway for cancer therapy.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Biology

Background:

  • Tumor microenvironment communication between endothelial and cancer cells influences cancer progression and treatment.
  • Endothelial delta-like ligand 4 (Dll4) signaling, triggered by vascular endothelial growth factor (VEGF), is crucial for angiogenesis and tumor growth via the Notch pathway.
  • The role of Dll4-Notch signaling in diverse cancer types is under investigation.

Purpose of the Study:

  • To elucidate the intricate mechanisms of Dll4-Notch signaling within the tumor microenvironment.
  • To identify key molecular players and pathways involved in endothelial-cancer cell cross-talk.
  • To explore the therapeutic potential of targeting the Dll4-Notch pathway in cancer treatment.

Main Methods:

  • Investigating the molecular interactions between endothelial cells and cancer cells.
  • Utilizing in vitro and in vivo models to study Dll4-Notch signaling pathways.
  • Analyzing gene and protein expression related to angiogenesis and tumor growth.

Main Results:

  • Demonstrated a significant role for Dll4-Notch signaling in mediating tumor angiogenesis and growth.
  • Identified specific cross-talk mechanisms between endothelial and cancer cells mediated by Dll4.
  • Observed modulation of tumor progression in response to interventions targeting the Dll4-Notch pathway.

Conclusions:

  • Dll4-Notch signaling is a critical component of the tumor microenvironment, impacting cancer progression.
  • Understanding these signaling pathways is essential for developing novel cancer therapeutics.
  • Targeting Dll4-Notch signaling presents a promising strategy for future cancer therapy development.
Keywords:
Dll4-Notch receptor cross-talkTumor microenvironmentangiogenesiscancer therapyvascular endothelial growth factor signaling

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