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Cited by 391

The DOI matches its Crossref record; 27 of the 27 references it cites were found in a registry or an index.

Hematopoietic stem cell deficiencies in mice lacking c-Mpl, the receptor for thrombopoietin

Open access
Kimura, Shinya, Roberts, Andrew W., Metcalf, Donald, Alexander, Warren S.·1998·Proceedings of the National Academy of Sciences

Abstract

Thrombopoietin (TPO) acts as a lineage-specific late-acting factor to stimulate megakaryocyte and platelet formation. However, analysis of mice lacking either the cytokine or its receptor, c-Mpl, also revealed deficiencies in progenitor cells of multiple hematopoietic lineages, suggesting that TPO signaling may play an important role in the regulation of the hematopoietic stem cell compartment. To investigate this hypothesis, we determined preprogenitor and colony forming unit-spleen (CFU-S) numbers and analyzed the long-term hematopoietic repopulating capacity of bone marrow cells from mpl −/− mice. mpl −/− mice had 4- to 12-fold fewer preprogenitor cells than wild-type mice. In irradiated normal recipients, mpl −/− bone marrow generated 8- to 10-fold fewer spleen colonies than wild-type marrow at both 8 and 12 days after transplantation. This defect was intrinsic to the transplanted hematopoietic cells, as the microenvironment of mpl −/− recipients supported similar CFU-S growth to that observed in wild-type recipients. In definitive assays of stem cell function, bone marrow cells from mpl −/− mice failed to compete effectively with normal cells for long-term reconstitution of the hematopoietic organs of irradiated recipients, even when transplanted in 10-fold excess. Serial transplantation studies further suggested that stem cell self-renewal also may be compromised in mpl −/− mice. These data imply that TPO, signaling through c-Mpl, plays a vital physiological role in the regulation of hematopoietic stem cell production and function.

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Metadata

Authors
Kimura, S., Roberts, A. W., Metcalf, D., & Alexander, W. S.
Venue
Proceedings of the National Academy of Sciences
Published
1998-02-03
Volume
95
Issue
3
Pages
1195-1200
ISSN
  • 0027-8424 (ISSN-L)
  • 1091-6490
OpenAlex
W2062853747
Cited by
391
References
27
FWCI
12.39
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Hematopoietic stem cell deficiencies in mice lacking c-Mpl, the receptor for thrombopoietin. https://app.cochat.ai/papers/10.1073/pnas.95.3.1195
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Kimura, S., Roberts, A. W., Metcalf, D., & Alexander, W. S. (1998). Hematopoietic stem cell deficiencies in mice lacking c-Mpl, the receptor for thrombopoietin. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.95.3.1195

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