Thrombopoietin (TPO) is a stimulatory molecule for early hematopoietic stem cells. In this patent the use of TPO and other ligands of its receptor, called mpl, are disclosed for purposes of expansion, and/or megakaryocytic differentiation of hematopoietic stem cells.
It would be interesting to see if other types of stem cells also respond to mpl ligands in the manner that hematopoietic stem cells do.
View this patent on the USPTO website.
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