Naive T Cells in Graft Versus Host Disease and Graft Versus Leukemia: Innocent or Guilty?

Linde Dekker, Evy Sanders, Caroline A. Lindemans, Coco de Koning, Stefan Nierkens

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)

Abstract

The outcome of allogeneic hematopoietic cell transplantation (allo-HCT) largely depends on the development and management of graft-versus-host disease (GvHD), infections, and the occurrence of relapse of malignancies. Recent studies showed a lower incidence of chronic GvHD and severe acute GvHD in patients receiving naive T cell depleted grafts compared to patients receiving complete T cell depleted grafts. On the other hand, the incidence of acute GvHD in patients receiving cord blood grafts containing only naive T cells is rather low, while potent graft-versus-leukemia (GvL) responses have been observed. These data suggest the significance of naive T cells as both drivers and regulators of allogeneic reactions. The naive T cell pool was previously thought to be a quiescent, homogenous pool of antigen-inexperienced cells. However, recent studies showed important differences in phenotype, differentiation status, location, and function within the naive T cell population. Therefore, the adequate recovery of these seemingly innocent T cells might be relevant in the imminent allogeneic reactions after allo-HCT. Here, an extensive review on naive T cells and their contribution to the development of GvHD and GvL responses after allo-HCT is provided. In addition, strategies specifically directed to stimulate adequate reconstitution of naive T cells while reducing the risk of GvHD are discussed. A better understanding of the relation between naive T cells and alloreactivity after allo-HCT could provide opportunities to improve GvHD prevention, while maintaining GvL effects to lower relapse risk.

Original languageEnglish
Article number893545
Pages (from-to)893545
JournalFrontiers in Immunology
Volume13
DOIs
Publication statusPublished - 20 Jun 2022

Keywords

  • allogeneic hematopoietic cell transplantation
  • alloreactivity
  • graft versus host disease
  • graft versus leukemia
  • naive T cells
  • Recurrence
  • Humans
  • Leukemia/complications
  • Graft vs Host Disease/prevention & control
  • T-Lymphocytes/pathology
  • Transplantation, Homologous/adverse effects

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