Stimulation of megakaryocytopoiesis and thrombopoiesis by the c-Mpl ligand.
basic_science · Level V
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Abstract
Physiological platelet synthesis is thought to require the humoral activities of meg-CSF and thrombopoietin, which respectively promote proliferation and maturation of megakaryocytic cells. A meg-CSF/thrombopoietin-like protein that is present in plasma of irradiated pigs has been purified and cloned. This protein binds to and activates the c-mpl protein, a member of the cytokine receptor superfamily. The isolated Mpl ligand shares homology with erythropoietin and stimulates both megakaryocytopoiesis and thrombopoiesis.
Medical subject headings
- Blood Platelets
- Megakaryocytes
- Receptors, Immunologic
- Thrombopoietin