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| Open AccessHighly efficient platelet generation in lung vasculature reproduced by microfluidics
Highly efficient generation of platelets in the vasculature. Here, Zhao et al. show that the mouse platelet precursor cell, megakaryocytes, generate physiological numbers of functional platelets when passaged repeatedly through pulmonary vasculature.
- Xiaojuan Zhao
- , Dominic Alibhai
- & Alastair W. Poole
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Article
| Open AccessLarge-scale production of megakaryocytes from human pluripotent stem cells by chemically defined forward programming
Platelets are blood circulating corpuscles generated from megakaryocytes that initiate wound healing. Here, Moreau et al. describe a way of producing large quantities of megakaryocytes from human pluripotent stem cells in the laboratory, moving us a step closer to manufacturing transfusion products.
- Thomas Moreau
- , Amanda L. Evans
- & Cedric Ghevaert
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The class II PI 3-kinase, PI3KC2α, links platelet internal membrane structure to shear-dependent adhesive function
The lipid kinase PI3KC2α is essential for embryogenesis, yet its role in adult homeostasis is unknown. Here, the authors show that PI3KC2α regulates the structure of the internal membrane reserves of murine megakaryocytes and platelets, affecting the platelets’ adhesiveness and prothrombotic function.
- Jessica K. Mountford
- , Claire Petitjean
- & Shaun P. Jackson
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RUNX1-induced silencing of non-muscle myosin heavy chain IIB contributes to megakaryocyte polyploidization
Megakaryocytes undergo polyploidization prior to forming platelets but this process is poorly characterised. In this study, non-muscle myosin IIB heavy chain, that localizes to the contractile ring during mitosis, is shown to be silenced prior to polyploidization in a RUNX1-dependent manner.
- Larissa Lordier
- , Dominique Bluteau
- & Yunhua Chang