Lung as a Niche for Hematopoietic Progenitors.

Lung as a Niche for Hematopoietic Progenitors.
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DOI:
10.1007/s12015-017-9747-z
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发表时间:
2017-10
影响因子:
4.8
通讯作者:
Birbrair A
Birbrair A
中科院分区:
医学3区
文献类型:
--
作者:
Borges I;Sena I;Azevedo P;Andreotti J;Almeida V;Paiva A;Santos G;Guerra D;Prazeres P;Mesquita LL;Silva LSB;Leonel C;Mintz A;Birbrair A

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Platelets are released from megakaryocytes. The bone marrow has been proposed to be the major site where this process occurs. Lefrançais et al. (2017) using state-of-the-art techniques including two-photon microscopy, in vivo lineage-tracing technologies, and sophisticated lung transplants reveal that the lung is also a primary site for platelet biogenesis. Strikingly, lung megakaryocytes can completely reconstitute platelet counts in the blood in mice with thrombocytopenia. This study also shows that hematopoietic progenitors, with capacity to repopulate the bone marrow after irradiation, are present in the lungs. This work brings a novel unexpected role for the lung as a niche for hematopoiesis. The emerging knowledge from this research may be important for the treatment of several disorders.
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