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2014 ; 21
(5
): 430-7
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Stem cells, megakaryocytes, and platelets
#MMPMID25023469
Smith BW
; Murphy GJ
Curr Opin Hematol
2014[Sep]; 21
(5
): 430-7
PMID25023469
show ga
PURPOSE OF REVIEW: Stem cells are an important tool for the study of ex-vivo
models of megakaryopoiesis and the production of functional platelets. In this
manuscript, we review the optimization of megakaryocyte and platelet
differentiation and discuss the mechanistic studies and disease models that have
incorporated stem cell technologies. RECENT FINDINGS: Mechanisms of cytoskeletal
regulation and signal transduction have revealed insights into hierarchical
dynamics of hematopoiesis, highlighting the close relationship between
hematopoietic stem cells and cells of the megakaryocyte lineage. Platelet
disorders have been successfully modeled and genetically corrected, and
differentiation strategies have been optimized to the extent that utilizing stem
cell-derived platelets for cellular therapy is feasible. SUMMARY: Studies that
utilize stem cells for the efficient derivation of megakaryocytes and platelets
have played a role in uncovering novel molecular mechanisms of megakaryopoiesis,
modeling and correcting relevant diseases, and differentiating platelets that are
functional and scalable for translation into the clinic. Efforts to derive
megakaryocytes and platelets from pluripotent stem cells foster the opportunity
of a revolutionary cellular therapy for the treatment of multiple
platelet-associated diseases.