Sustained human hematopoiesis in sheep transplanted in utero during early gestation with fractionated adult human bone marrow cells

Edward Srour, Esmail D. Zanjani, John E. Brandt, Tom Leemhuis, Robert A. Briddell, Nyla A. Heerema, Ronald Hoffman

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Abstract

Sheep were transplanted in utero during early gestation with subpopulations of adult human bone marrow (BM) cells enriched for human progenitor and hematopoietic stem cells (HSC). Chimerism was documented in three of seven transplanted fetuses using monoclonal antibodies against human-specific hematopoietic cell lineages and / or cytogenetic analysis of BM and peripheral blood cells of recipients. Only chimeric sheep BM cells expressing CD45 (6.0% of total BM cells) formed human hematopoietic colonies in response to human recombinant cytokines as determined by cytogenetic analysis. Sorted CD45+ BM cells developed human T-cell colonies containing CD3+, CD4+, and CD8+ cells. DNA from chimeric BM cells obtained 3 months after birth displayed a finger printing pattern identical to that of DNA from the human donor of the HSC graft. These studies indicate that first trimester sheep fetuses are tolerant of adult human HSC grafts, thus permitting the creation of xenogeneic chimera expressing human myeloid and lymphoid lineages. The present findings also suggest that HSC grafts from immunologically competent, HLA-mismatched adult donors may be useful for correcting human genetic diseases in utero during early gestation.

Original languageEnglish
Pages (from-to)1404-1412
Number of pages9
JournalBlood
Volume79
Issue number6
StatePublished - Mar 15 1992

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Hematopoiesis
Bone Marrow Cells
Sheep
Bone
Cells
Stem cells
Pregnancy
Grafts
Hematopoietic Stem Cells
Cytogenetic Analysis
Transplants
T-cells
DNA
Fetus
Tissue Donors
Printing
Chimerism
Inborn Genetic Diseases
Blood
Monoclonal Antibodies

ASJC Scopus subject areas

  • Hematology

Cite this

Srour, E., Zanjani, E. D., Brandt, J. E., Leemhuis, T., Briddell, R. A., Heerema, N. A., & Hoffman, R. (1992). Sustained human hematopoiesis in sheep transplanted in utero during early gestation with fractionated adult human bone marrow cells. Blood, 79(6), 1404-1412.

Sustained human hematopoiesis in sheep transplanted in utero during early gestation with fractionated adult human bone marrow cells. / Srour, Edward; Zanjani, Esmail D.; Brandt, John E.; Leemhuis, Tom; Briddell, Robert A.; Heerema, Nyla A.; Hoffman, Ronald.

In: Blood, Vol. 79, No. 6, 15.03.1992, p. 1404-1412.

Research output: Contribution to journalArticle

Srour, E, Zanjani, ED, Brandt, JE, Leemhuis, T, Briddell, RA, Heerema, NA & Hoffman, R 1992, 'Sustained human hematopoiesis in sheep transplanted in utero during early gestation with fractionated adult human bone marrow cells', Blood, vol. 79, no. 6, pp. 1404-1412.
Srour E, Zanjani ED, Brandt JE, Leemhuis T, Briddell RA, Heerema NA et al. Sustained human hematopoiesis in sheep transplanted in utero during early gestation with fractionated adult human bone marrow cells. Blood. 1992 Mar 15;79(6):1404-1412.
Srour, Edward ; Zanjani, Esmail D. ; Brandt, John E. ; Leemhuis, Tom ; Briddell, Robert A. ; Heerema, Nyla A. ; Hoffman, Ronald. / Sustained human hematopoiesis in sheep transplanted in utero during early gestation with fractionated adult human bone marrow cells. In: Blood. 1992 ; Vol. 79, No. 6. pp. 1404-1412.
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