Apoptosis 1 Carbamylated erythropoietin 1 Cell Differentiation 1 Cell Growth Processes 1 Cell Line, Tumor 1 Cell cycle 1 Cell proliferation 1 Cyclin-Dependent Kinase Inhibitor p27 1 Erythroid Cells 1 Erythropoiesis 1 Erythropoietin 1 FOXO3a Forkhead Transcription Factors 1 G1 Phase 1 Humans 1 Neurons P27kip1 1 Phosphorylation 1 Receptors, Erythropoietin 1 S Phase 1 Signal Transduction 1 apoptosis 1 article 1 carbamylated derivative of erythropoietin 1 cell cycle G1 phase 1 cell cycle S phase 1 cell cycle progression 1 cell differentiation 1 cell proliferation 1 controlled study 1