Adoptive Immunotherapy with Regulatory and Conventional T-cells in Haploidentical T-cell Depleted Transplantation Protects from GvHD and Exerts GvL Effect

  • Massimo F. Martelli
  • Mauro Di Ianni
  • Loredana Ruggeri
Part of the Advances and Controversies in Hematopoietic Transplantation and Cell Therapy book series (ACHTCT)


After conventional (“unmanipulated”) allogeneic hematopoietic cell transplantation, eradication of residual disease, i.e., the so-called graft-versus-leukemia (GvL) effect, depends on donor T-lymphocytes which recognize host histocompatibility antigens on leukemic cells. However, this transplant is far from optimal because it is associated with high incidence of relapse and risk of graft-versus-host disease (GvHD). Recent clinical trials suggest that adoptive immunotherapy with regulatory and conventional T-lymphocytes prevents GvHD while allowing a GvL effect in acute leukemia patients undergoing T-cell-depleted-haploidentical transplantation. We discuss the clinical relevance of this new immunotherapeutic strategy and the mechanisms underlying the separation of GvL effect from GvHD.


T-cell depletion Graft-versus-host disease Graft-versus-leukemia effect Conventional T-cell Regulatory T-cells Haploidentical transplant Alloreactivity Acute leukemias Immune system reconstitution Ex vivo expansion 


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Massimo F. Martelli
    • 1
  • Mauro Di Ianni
    • 1
    • 2
  • Loredana Ruggeri
    • 1
  1. 1.Division of Hematology and Clinical Immunology, Department of MedicineUniversity of PerugiaPerugiaItaly
  2. 2.Department of Medicine and Aging SciencesUniversity of Chieti-PescaraPescaraItaly

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