Breast Cancer Cells and Metastatic Behavior
Author Information
Author(s): Abdelkarim Mohamed, Vintonenko Nadejda, Starzec Anna, Robles Aniela, Aubert Julie, Martin Marie-Laure, Mourah Samia, Podgorniak Marie-Pierre, Rodrigues-Ferreira Sylvie, Nahmias Clara, Couraud Pierre-Olivier, Doliger Christelle, Sainte-Catherine Odile, Peyri Nicole, Chen Lei, Mariau Jérémie, Etienne Monique, Perret Gerard-Yves, Crepin Michel, Poyet Jean-Luc, Khatib Abdel-Majid, Di Benedetto Mélanie
Primary Institution: Université Paris 13, CNRS FRE CSPBAT, Laboratoire de Chimie Structurale Biomoléculaire, UFR SMBH, Bobigny, France
Hypothesis
The extracellular matrix environment influences the metastatic potential of breast cancer cells.
Conclusion
The study shows that the extracellular matrix is sufficient to select for tumor cells with a stable metastatic phenotype.
Supporting Evidence
- INV cells showed reduced adhesion and increased motility compared to REF cells.
- INV cells induced metastases formation and reduced survival in injected mice by up to 80%.
- INV tumors grew faster and had lower apoptosis rates than REF tumors.
Takeaway
Researchers found that certain breast cancer cells can become better at spreading to other parts of the body just by changing their environment, like the material they grow on.
Methodology
The study involved isolating invasive and non-invasive breast cancer cell populations and testing their behavior in vitro and in vivo.
Statistical Information
P-Value
0.046
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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