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A Mouse Model to Investigate the Role of Cancer-Associated Fibroblasts in Tumor Growth
Published on: December 22, 2020
Multiple changes induced by fibroblasts on breast cancer cells
Patrizia Cancemi1, Nadia Ninfa Albanese, Gianluca DiCara
1Dipartimento di Oncologia Sperimentale e Applicazioni Cliniche (DOSAC), Palermo, Italy.
Connective Tissue Research
|December 17, 2009
Summary
Fibroblasts significantly alter breast cancer cell proteomics, affecting cytoskeleton and metabolism. This interaction enhances cancer cell proliferation and invasion, suggesting fibroblasts promote malignant potential.
Area of Science:
- Oncology
- Proteomics
- Cancer Biology
Background:
- Tumor microenvironment interactions are crucial for cancer progression.
- Fibroblasts are key stromal cells influencing cancer cell behavior.
- Molecular mechanisms of fibroblast-cancer cell cross-talk remain incompletely understood.
Purpose of the Study:
- To investigate the proteomic changes in breast cancer cells upon fibroblast stimulation.
- To elucidate the role of fibroblast-cancer cell interactions in modulating cancer cell malignancy.
- To identify specific molecular pathways affected by fibroblast co-culture.
Main Methods:
- Utilized a trans-well co-culture system to model fibroblast-cancer cell interaction.
- Performed proteomic analysis on the 8701-BC breast cancer cell line.
- Assessed changes in cell proliferation, invasion, and oncogene expression (c-Myc).
Main Results:
- Fibroblast stimulation induced significant proteomic modulations in 8701-BC cells.
- Key affected proteins included cytoskeleton components and glycolytic enzymes.
- Fibroblast-conditioned medium promoted neoplastic cell proliferation and invasion.
- Upregulation of the c-Myc oncogene was observed concurrently.
Conclusions:
- Fibroblast stimulation significantly alters breast cancer cell proteomics.
- These alterations enhance the malignant potential of breast cancer cells in vitro.
- Fibroblast-cancer cell cross-talk is a critical factor in breast cancer progression.
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