Sustained multilineage engraftment of allogeneic hematopoietic stem cells in NOD/SCID mice after in utero transplantation

David R. Archer, Curtis W. Turner, Andrew M. Yeager, William Fleming

Research output: Contribution to journalArticle

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Abstract

Substantial barriers exist to the engraftment of hematopoietic cells in mice after in utero transplantation. Although high levels of donor-derived hematopoiesis have been reported in SCID mice, the majority of chimeric recipients exhibit decreasing levels of donor cells over time. To directly test whether the natural killer cell and macrophage activity of the recipients represents a barrier to sustained engraftment, fetal NOD/SCID mice were injected on day 13.5 of gestation with an enriched congenic hematopoietic progenitor cell population. Forty-four percent of pups showed the presence of Ly5.1+ donor cells 4 weeks after transplantation. The mean number of donor-derived nucleated cells in the peripheral blood (PB) was 30%. Although the majority of circulating donor cells were lymphocytes, up to 15% expressed myelomonocytic markers. Serial PB samples from individual mice indicated that the percentage of circulating donor cells increased from 17% to 55% between 4 and 24 weeks. At 6 months posttransplantation, an increased frequency of multilineage, donor-derived cells was also observed in the bone marrow (BM) and the spleen of chimeric recipients. The engraftment of pluripotent hematopoietic stem cells was evaluated by transplanting BM from chimeric mice into irradiated congenic recipients. Irradiated secondary recipients also exhibited multilineage donor-derived hematopoiesis in the PB, BM, and spleen for up to 6 months. These results show that the in utero transplantation of lineage-depleted BM cells into NOD/SCID recipients produces a high frequency of sustained engraftment of allogeneic hematopoietic stem cells.

Original languageEnglish (US)
Pages (from-to)3222-3229
Number of pages8
JournalBlood
Volume90
Issue number8
StatePublished - Oct 15 1997

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Inbred NOD Mouse
SCID Mice
Hematopoietic Stem Cells
Stem cells
Bone
Transplantation
Blood
Bone Marrow
Hematopoiesis
Lymphocytes
Macrophages
Spleen
Cells
Pluripotent Stem Cells
Natural Killer Cells
Bone Marrow Cells
Pregnancy
Population

ASJC Scopus subject areas

  • Hematology

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Sustained multilineage engraftment of allogeneic hematopoietic stem cells in NOD/SCID mice after in utero transplantation. / Archer, David R.; Turner, Curtis W.; Yeager, Andrew M.; Fleming, William.

In: Blood, Vol. 90, No. 8, 15.10.1997, p. 3222-3229.

Research output: Contribution to journalArticle

Archer, David R. ; Turner, Curtis W. ; Yeager, Andrew M. ; Fleming, William. / Sustained multilineage engraftment of allogeneic hematopoietic stem cells in NOD/SCID mice after in utero transplantation. In: Blood. 1997 ; Vol. 90, No. 8. pp. 3222-3229.
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