| abstract |
Hematopoietic stem cells and methods for ex vivo expansion of hematopoietic stem cells are provided. The methods comprise culturing the cells in a media containing an effective amount insulin-like growth factor (IGF), fibroblast growth factor (FGF), thrombopoietin (TPO), and stem cell factor (SCF), under conditions sufficient for expansion of said cells. Methods for identifying expanded hematopoeitc stem cells and kits for ex vivo expansion of hematopoietic stem cells are also provided. |