Effectiveness of Donor Natural Killer Cell Alloreactivity in Mismatched Hematopoietic Transplants

  • Loredana Ruggeri
    Department of Clinical and Experimental Medicine, Section of Hematology and Clinical Immunology, Perugia University School of Medicine, Perugia, Italy.
  • Marusca Capanni
    Department of Clinical and Experimental Medicine, Section of Hematology and Clinical Immunology, Perugia University School of Medicine, Perugia, Italy.
  • Elena Urbani
    Department of Clinical and Experimental Medicine, Section of Hematology and Clinical Immunology, Perugia University School of Medicine, Perugia, Italy.
  • Katia Perruccio
    Department of Clinical and Experimental Medicine, Section of Hematology and Clinical Immunology, Perugia University School of Medicine, Perugia, Italy.
  • Warren D. Shlomchik
    Department of Medicine, Sections of Hematology and Oncology, Yale University School of Medicine, New Haven, CT 06520, USA.
  • Antonella Tosti
    Department of Clinical and Experimental Medicine, Section of Hematology and Clinical Immunology, Perugia University School of Medicine, Perugia, Italy.
  • Sabrina Posati
    Department of Clinical and Experimental Medicine, Section of Hematology and Clinical Immunology, Perugia University School of Medicine, Perugia, Italy.
  • Daniela Rogaia
    Department of Clinical and Experimental Medicine, Section of Hematology and Clinical Immunology, Perugia University School of Medicine, Perugia, Italy.
  • Francesco Frassoni
    Department of Hematology, Ospedale San Martino, Genoa, Italy.
  • Franco Aversa
    Department of Clinical and Experimental Medicine, Section of Hematology and Clinical Immunology, Perugia University School of Medicine, Perugia, Italy.
  • Massimo F. Martelli
    Department of Clinical and Experimental Medicine, Section of Hematology and Clinical Immunology, Perugia University School of Medicine, Perugia, Italy.
  • Andrea Velardi
    Department of Clinical and Experimental Medicine, Section of Hematology and Clinical Immunology, Perugia University School of Medicine, Perugia, Italy.

抄録

<jats:p>T cells that accompany allogeneic hematopoietic grafts for treating leukemia enhance engraftment and mediate the graft-versus-leukemia effect. Unfortunately, alloreactive T cells also cause graft-versus-host disease (GVHD). T cell depletion prevents GVHD but increases the risk of graft rejection and leukemic relapse. In human transplants, we show that donor-versus-recipient natural killer (NK)–cell alloreactivity could eliminate leukemia relapse and graft rejection and protect patients against GVHD. In mice, the pretransplant infusion of alloreactive NK cells obviated the need for high-intensity conditioning and reduced GVHD. NK cell alloreactivity may thus provide a powerful tool for enhancing the efficacy and safety of allogeneic hematopoietic transplantation.</jats:p>

収録刊行物

  • Science

    Science 295 (5562), 2097-2100, 2002-03-15

    American Association for the Advancement of Science (AAAS)

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