Functional significance of CD105-positive cells in papillary renal cell carcinoma

Abstract excerpt

BACKGROUND: CD105 was postulated as a renal cell carcinoma (RCC) stem cell marker, and CD133 as a putative RCC progenitor. Hypoxia, a natural microenvironment that prevails in tumors, was also incorporated into the study, especially in terms of the promotion of hypothetical stem-like cell properties. METHODS: Within this study, we verify the existence of CD105+ and CD133+ populations in selected papillary subtype...

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