| abstract |
PROBLEM TO BE SOLVED: To provide an activator for promoting proliferation of human peripheral blood-derived CD34-positive megakaryocyte progenitor cells, an activator for promoting maturation of the megakaryocyte, and an activator for promoting platelet production of the megakaryocyte. A human peripheral blood-derived CD34-positive megakaryocyte progenitor cell proliferation promoting activator comprising the glycosaminoglycan or glycosaminoglycan and thrombopoietin as active ingredients, and the megakaryocyte maturation promoting activator , The megakaryocyte platelet production promoting activator, and a medicament containing the activator. [Selection] Figure 1 |