alexa A stem cell gene expression profile of human squamous cell carcinomas.
Oncology

Oncology

Journal of Cancer Science & Therapy

Author(s): Jensen KB, Jones J, Watt FM

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Abstract To investigate the relationship between stem cells in normal epithelium and in squamous cell carcinomas (SCCs), we examined expression of a panel of human epidermal stem cell markers in SCCs and SCC cell lines. Markers that are co-expressed in normal stem cells were not co-expressed in SCC. Downregulation of two markers, Lrig1 and MAP4, and upregulation of a third, MCSP, correlated with poor differentiation status and increased proliferation in primary tumours. We conclude that SCCs do not reflect a simple expansion of stem cells; rather, tumour cells hijack the homeostatic controls that operate in normal stem cells, eliminating those that maintain stem cell quiescence.
This article was published in Cancer Lett and referenced in Journal of Cancer Science & Therapy

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