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[Cancer stroma]
1Laboratoire d'oncologie moléculaire, centre Henri-Becquerel, Rouen, France.
Bulletin Du Cancer
|January 1, 1991
Summary
The tumor microenvironment, or cancer stroma, comprises cells and matrix that support tumor growth and invasion. Targeting these stromal components offers potential for novel cancer therapies.
Area of Science:
- Oncology
- Cell Biology
- Biochemistry
Context:
- The tumor microenvironment (stroma) consists of cellular and non-cellular components that develop alongside cancer cells.
- Cancer cells release factors that mobilize and modify inflammatory and mesenchymal tissues, promoting inflammation, angiogenesis, and extracellular matrix production.
Purpose:
- To elucidate the multifaceted role of the cancer stroma in tumor progression.
- To explore the mechanisms by which the extracellular matrix influences cancer cell behavior and invasion.
- To assess the therapeutic potential of targeting cancer-associated stromal elements.
Summary:
- The cancer stroma, including the extracellular matrix (ECM), plays a dual role as both a barrier and a support system for tumor cells.
- ECM components bind growth factors, and their degradation products can enhance tumor progression.
- Immune cells within the stroma exhibit reduced anti-cancer activity in vivo compared to in vitro settings.
- Tumor-derived factors can paradoxically enhance tumor growth in vivo despite in vitro anti-tumorigenic effects.
Impact:
- Understanding the cancer stroma's contribution to tumor growth and invasion is crucial for developing effective anti-cancer strategies.
- Identifying specific stromal targets could lead to novel therapeutic interventions for various cancers.
- Stromal modulation represents a promising avenue for future cancer treatment research.