Nuclear β-catenin and CD44 Upregulation in Invasive Breast Cancer Cells
Author Information
Author(s): Uchino Masahiro, Kojima Hiroko, Wada Kenta, Imada Mika, Onoda Fumitoshi, Satofuka Hiroyuki, Utsugi Takahiko, Murakami Yasufumi
Primary Institution: Bio Matrix Research Inc.
Hypothesis
What are the potentially important differences between invasive and non-invasive breast cancer cells, and are the differences related to EMT or CD44/CD24 expression?
Conclusion
MCF-7-14 cells are a novel model for breast cancer metastasis without requiring constitutive EMT and are characterized by nuclear β-catenin and CD44 upregulation.
Supporting Evidence
- MCF-7-14 cells had enhanced migratory and invasive ability compared with MCF-7 cells.
- MCF-7-14 cells expressed E-cadherin but not vimentin or fibronectin.
- Nuclear β-catenin was expressed in MCF-7-14 cells, indicating altered signaling pathways.
Takeaway
Researchers created a new type of breast cancer cell that can move and spread more easily, even though it doesn't change completely into a different type of cell.
Methodology
The study involved sequential selection of invasive populations from MCF-7 cells using Matrigel, followed by comparative analysis of gene expression and functional assays.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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