Increased expression of an epidermal stem cell marker, cytokeratin 19, in cutaneous squamous cell carcinoma

Abstract excerpt

BACKGROUND: Cytokeratin 19 (CK19) has been considered to be a putative marker for epidermal stem cells in the hair follicle bulge. Cumulative reports have shown that epidermal stem cells play an important role in skin carcinogenesis. However, to date there has been no report on the clinical alteration of the stem cells in squamous cell carcinoma (SCC). OBJECTIVES: To investigate alteration of the stem cells and...

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