Transplantation of human peripheral blood stem cells into fetal rhesus monkeys (Macaca mulatta)

Alice F Tarantal, Orly Goldstein, Frank Barley, Morton J. Cowan

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

Background. Methods for assessing engraftment efficiency have been explored in a primate xenogeneic model of in utero hematopoietic stem cell transplantation. Methods. Human peripheral blood stem cells (PBSC) were obtained by leukapheresis from a human male donor after 4 days of administration of recombinant human granulocyte-colony stimulating factor (5 μg/kg/day). PBSC were enriched for the CD34+ population with and without T- cell depletion. The resulting mononuclear cells consisted of two cell populations, one that was stem cell enriched (0.83% CD3+ cells, 95% CD34+; group 1) and one that was stem cell enriched and T-cell depleted (<0.03% CD3+ cells, 98% CD34+; group 2). Four fetal monkeys (two per group) received either two or four i.p. injections (~5x106 cells/injection) via ultrasound guidance every other day over a 7-day period (gestational days 50, 52, 54, and 56). One fetus in each group also received i.p. recombinant human stem cell factor (25 μg/kg) and recombinant human granulocyte-colony stimulating factor (10 μg/kg) posttransplant every 10 days from gestational day 60-150. Results. Four healthy newborns were delivered at term, and specimens were analyzed by polymerase chain reaction for the human Y chromosome (birth, monthly to 6 months; blood, marrow, progenitor assays). Polymerase chain reaction results were positive for all four newborns in all specimens assessed, and flow cytometric analysis for human CD45 in marrow showed engraftment ranging from 0.1-1.7%. There was no evidence of graft- versus-host disease in any of the animals. Conclusion. These studies show that (1) multilineage engraftment of human PBSC can be achieved in the fetal rhesus recipient, (2) the rhesus fetus appears to tolerate relatively high numbers of human CD3+ cells, and (3) healthy chimeric rhesus infants can be delivered at term after multiple in utero procedures.

Original languageEnglish (US)
Pages (from-to)1818-1823
Number of pages6
JournalTransplantation
Volume69
Issue number9
StatePublished - May 15 2000

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Peripheral Blood Stem Cell Transplantation
Macaca mulatta
Granulocyte Colony-Stimulating Factor
Fetus
Stem Cells
Bone Marrow
Chromosomes, Human, Y
Newborn Infant
Leukapheresis
T-Lymphocytes
Polymerase Chain Reaction
Injections
Stem Cell Factor
Hematopoietic Stem Cell Transplantation
Graft vs Host Disease
Primates
Population
Haplorhini
Tissue Donors
Parturition

ASJC Scopus subject areas

  • Transplantation
  • Immunology

Cite this

Transplantation of human peripheral blood stem cells into fetal rhesus monkeys (Macaca mulatta). / Tarantal, Alice F; Goldstein, Orly; Barley, Frank; Cowan, Morton J.

In: Transplantation, Vol. 69, No. 9, 15.05.2000, p. 1818-1823.

Research output: Contribution to journalArticle

Tarantal, Alice F ; Goldstein, Orly ; Barley, Frank ; Cowan, Morton J. / Transplantation of human peripheral blood stem cells into fetal rhesus monkeys (Macaca mulatta). In: Transplantation. 2000 ; Vol. 69, No. 9. pp. 1818-1823.
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