1、SCL-mediated regulation of the cell cycle regulator p21 is critical for murine megakaryopoiesis - D) {- \5 H% v2 h! J, w& U% n6 v2 ^2、Survival and Cell Cycle Control in Early Hematopoiesis: Role of Bcl-2, and the Cyclin Dependent Kinase Inhibitors P27 and P21