Thrombopoietin (TPO) is the primary regulator of megakaryocytopoiesis.Recent studies show that there is close relationship between TPO and hematopoietic stem cell.

• 促血小板生成素)是巨核系造血的主要刺激因子,近年的研究表明,TPO与造血干细胞之间存在密切联系。