EBHX11-derived colonies and cells. (A) Colonies grown in the presence of LIF for 7 days. (B) Cells from LIF-stimulated colonies. (C) Colony grown in the presence of Epo for 7 days. (D) Cells from Epo-stimulated colonies. Original magnification for (A and C), ×200 and for (B and D), ×1,000.