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Strong correlation between N-cadherin and CD133 in breast cancer: role of both markers in metastatic events

  • Original Article – Cancer Research
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Abstract

Purpose

Epithelial mesenchymal transition is a major mechanism to explain metastatic events in breast cancer. Another important aspect is that cells with stem cell properties are able to become resistant against chemotherapeutics. Our main goal was to investigate the role of the EMT marker, N-cadherin, and of the stem cell marker, CD133, in breast cancer.

Methods

The expressions of N-cadherin and CD133 were assessed by immunohistochemistry in 307 primary tumors from breast cancer patients and for 30 patients, in the related recurrences and/or metastases. We studied the correlation between both markers, their associations with known clinicopathological parameters and their role as predictive markers for survival time. Different expressions of both markers in primary tumor and recurrences or metastases were examined.

Results

N-cadherin and CD133 expressions correlated positively in the 261 primary tumor samples (p = 0.000) and in the 45 primary tumor, recurrence or metastasis samples (p = 0.010). In patients without lymph node metastases, the 10-year survival time was significantly lower when the tumor was N-cadherin-positive (p = 0.042). Expression of N-cadherin was also significantly higher in metastases than in the related primary tumors (p = 0.039).

Conclusion

N-cadherin and CD133 expressions are strongly correlated and N-cadherin appears as a potential metastases marker in a specific patient subpopulation.

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Abbreviations

CSC:

Cancer stem cell

DAB:

3, 3′-Diaminobenzidine

EMT:

Epithelial to mesenchymal transition

ERα:

Estrogen receptor α

FGFR:

Fibroblast growth factor receptor)

HER2:

Human epidermal growth factor receptor 2

IRS:

Immunoreactive score

MET:

Mesenchymal to epithelial transition

MMP:

Matrix metalloproteinase

PBS:

Phosphate buffered saline

PI(3)K:

Phosphatidylinositide 3-kinase

PR:

Progesterone receptor

TNM classification:

Tumor-node-metastasis classification

References

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Acknowledgments

Thanks are due to Sandra Schulze for assistance in the protocol optimization and to Christoph Freier for assistance in creating the scatter blots.

Conflict of interest

The authors declare that they have no competing interests. We confirm that the authors have full control of all primary data and agree that the journal is allowed to review these data if requested.

Ethical standards

The study has been approved by the Ethical Committee of the Ludwig Maximilians University of Munich, Germany (LMU, ethical number 048-08) and has been carried out in concordance with the guidelines of the Helsinki Declaration. Written informed consent was obtained from the patients.

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Authors and Affiliations

Authors

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Correspondence to Udo Jeschke.

Additional information

Sophie Doisneau-Sixou and Udo Jeschke are co-last authors of this work.

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Supplementary material 2 (DOCX 15 kb)

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Bock, C., Kuhn, C., Ditsch, N. et al. Strong correlation between N-cadherin and CD133 in breast cancer: role of both markers in metastatic events. J Cancer Res Clin Oncol 140, 1873–1881 (2014). https://doi.org/10.1007/s00432-014-1750-z

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  • DOI: https://doi.org/10.1007/s00432-014-1750-z

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