Progression of the myeloid differentiation program is dominant to transforming growth factor-beta 1-induced apoptosis in M1 myeloid leukemic cells

TL;DRAbstract

Hematopoiesis is a profound example of cell homeostasis that is regulated throughout life. This process requires the participation of many factors, including positive and negative regulators of growth and differentiation, that determine survival, growth stimulation, differentiation, functional activation, and programmed cell death. Understanding the effects of multiple stimuli on specific cells at the molecular and cellular level is crucial towards understanding how the population of blood cells maintains a homeostatic state. Two appropriate stimuli for analysis, both of which are found in bone marrow, are differentiation-inducing cytokines, which induce terminal differentiation associated with growth arrest, ultimately culminating in programmed cell death, and transforming growth factor-beta 1 (TGF-beta 1), which induces rapid growth arrest and apoptosis of hematopoietic cells. Previously, we have shown, using M1 myeloblastic leukemic cells as a model system, that differentiation-indu

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