Immune reconstitution with donor-derived memory/effector T cells after orthotopic liver transplantation

Jr Collins R.H., M. Sackler, C. J. Pitcher, S. L. Waldrop, G. B. Klintmalm, R. Jenkins, Louis Picker

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Therapeutic hematopoietic stem cell transplantation has made great strides in recent years, providing curative therapy for many previously untreatable diseases. Nevertheless, the applicability and effectiveness of this procedure continues to be restricted by adverse immunoregulatory states, including graft rejection, graft vs. host disease (GvHD), and/or persistent immunodeficiency. Here, we provide evidence that long-term hematopoietic stem cell transplantation across major histocompatibility complex (MHC) barriers is possible in the human with limited adverse sequelae. We observed the rapid, complete, and stable replacement of recipient hematopoiesis and B lymphopoiesis with donor-derived cells approximately 6 weeks following orthotopic liver transplantation for hemochromatosis. Long-term T lineage reconstitution also occurred, but most intriguingly, derived almost exclusively from expansion of mature, memory/effector T cells from the transplanted liver. Although demonstrating both functional and molecular evidence of a simplified T cell receptor (TCR) repertoire and unable to become sensitized to 'new' antigens (Ag), this patient demonstrated long-term clinical immunocompetence. Moreover, the transplanted T cells were effectively tolerant to host tissues as the patient did not manifest clinically significant GvHD off immunosuppressive therapy. These observations suggest that isolated memory/effector T cell populations have the potential of promoting stem cell engraftment in an allogeneic host without persistent GvHD, and to provide sufficient immune reconstitution to provide the recipient with long-term immune homeostasis.

Original languageEnglish (US)
Pages (from-to)147-159
Number of pages13
JournalExperimental Hematology
Volume25
Issue number2
StatePublished - 1997
Externally publishedYes

Fingerprint

Liver Transplantation
Hematopoietic Stem Cell Transplantation
Tissue Donors
T-Lymphocytes
Lymphopoiesis
Immunocompetence
Hemochromatosis
Hematopoiesis
Graft Rejection
Immunosuppressive Agents
T-Cell Antigen Receptor
Major Histocompatibility Complex
Homeostasis
Stem Cells
Therapeutics
Transplants
Antigens
Liver
Population

Keywords

  • immune reconstitution
  • memory/effector T cells
  • transplantation

ASJC Scopus subject areas

  • Cancer Research
  • Cell Biology
  • Genetics
  • Hematology
  • Oncology
  • Transplantation

Cite this

Collins R.H., J., Sackler, M., Pitcher, C. J., Waldrop, S. L., Klintmalm, G. B., Jenkins, R., & Picker, L. (1997). Immune reconstitution with donor-derived memory/effector T cells after orthotopic liver transplantation. Experimental Hematology, 25(2), 147-159.

Immune reconstitution with donor-derived memory/effector T cells after orthotopic liver transplantation. / Collins R.H., Jr; Sackler, M.; Pitcher, C. J.; Waldrop, S. L.; Klintmalm, G. B.; Jenkins, R.; Picker, Louis.

In: Experimental Hematology, Vol. 25, No. 2, 1997, p. 147-159.

Research output: Contribution to journalArticle

Collins R.H., J, Sackler, M, Pitcher, CJ, Waldrop, SL, Klintmalm, GB, Jenkins, R & Picker, L 1997, 'Immune reconstitution with donor-derived memory/effector T cells after orthotopic liver transplantation', Experimental Hematology, vol. 25, no. 2, pp. 147-159.
Collins R.H. J, Sackler M, Pitcher CJ, Waldrop SL, Klintmalm GB, Jenkins R et al. Immune reconstitution with donor-derived memory/effector T cells after orthotopic liver transplantation. Experimental Hematology. 1997;25(2):147-159.
Collins R.H., Jr ; Sackler, M. ; Pitcher, C. J. ; Waldrop, S. L. ; Klintmalm, G. B. ; Jenkins, R. ; Picker, Louis. / Immune reconstitution with donor-derived memory/effector T cells after orthotopic liver transplantation. In: Experimental Hematology. 1997 ; Vol. 25, No. 2. pp. 147-159.
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