Role of myeloid-derived suppressor cells in allogeneic hematopoietic cell transplantation

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31 Scopus citations


Graft-versus-host disease (GVHD) can be a devastating complication for as many as a third of patients undergoing allogeneic hematopoietic stem cell transplantation (allo-HCT). A role for myeloid cells in the amplification of GVHD has been demonstrated; however, less is understood about a potential regulatory role that myeloid cells play or whether such cells may be manipulated and applied therapeutically. Myeloid-derived suppressor cells (MDSCs) are a naturally occurring immune regulatory population that are engaged and expand shortly after many forms of immune distress, including cancer, trauma, and infection. As MDSCs are often associated with chronic disease, inflammation, and even the promotion of tumor growth (regarding angiogenesis/metastasis), they can appear to be predictors of poor outcomes and therefore, vilified; yet, this association doesn’t match with their perceived function of suppressing inflammation. Here, we explore the role of MDSC in GVHD in an attempt to investigate potential synergies that may be promoted, leading to better patient outcomes after allo-HCT.

Original languageEnglish (US)
Pages (from-to)335-341
Number of pages7
JournalJournal of Leukocyte Biology
Issue number2
StatePublished - Aug 2017

Bibliographical note

Funding Information:
This work was supported by U.S. National Institutes of Health Grants R01 HL56067, AI 34495, and HL1181879.

Publisher Copyright:
© Society for Leukocyte Biology.


  • Cellular therapy
  • GVHD
  • Immune suppression
  • Inflammation
  • MDSC


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