Erythropoietin, Stem Cell Factor, and Cancer Cell Migration.

Authors: Vazquez-Mellado MJ, Monjaras-Embriz V, Rocha-Zavaleta L Abstract Cell migration of normal cells is tightly regulated. However, tumor cells are exposed to a modified microenvironment that promotes cell migration. Invasive migration of tumor cells is stimulated by receptor tyrosine kinases (RTKs) and is regulated by growth factors. Erythropoietin (Epo) is a glycoprotein hormone that regulates erythropoiesis and is also known to be a potent chemotactic agent that induces cell migration by binding to its receptor (EpoR). Expression of EpoR has been documented in tumor cells, and the potential of Epo to induce cell migration has been explored. Stem cell factor (SCF) is a cytokine that synergizes the effects of Epo during erythropoiesis. SCF is the ligand of c-Kit, a member of t...

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