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- Title
Regulatory T Cell Therapy of Graft-versus-Host Disease: Advances and Challenges.
- Authors
Hefazi, Mehrdad; Bolivar-Wagers, Sara; Blazar, Bruce R.
- Abstract
Graft-versus-host disease (GVHD) is the leading cause of morbidity and mortality after allogeneic hematopoietic stem cell transplantation (allo-HSCT). Immunomodulation using regulatory T cells (Tregs) offers an exciting option to prevent and/or treat GVHD as these cells naturally function to maintain immune homeostasis, can induce tolerance following HSCT, and have a tissue reparative function. Studies to date have established a clinical safety profile for polyclonal Tregs. Functional enhancement through genetic engineering offers the possibility of improved potency, specificity, and persistence. In this review, we provide the most up to date preclinical and clinical data on Treg cell therapy with a particular focus on GVHD. We discuss the different Treg subtypes and highlight the pharmacological and genetic approaches under investigation to enhance the application of Tregs in allo-HSCT. Lastly, we discuss the remaining challenges for optimal clinical translation and provide insights as to future directions of the field.
- Subjects
REGULATORY T cells; GRAFT versus host disease; T cells; CELLULAR therapy; HEMATOPOIETIC stem cell transplantation; HOMEOSTASIS
- Publication
International Journal of Molecular Sciences, 2021, Vol 22, Issue 18, p9676
- ISSN
1661-6596
- Publication type
Article
- DOI
10.3390/ijms22189676