Mesenchymal Stem Cells for Treatment and Prevention of Graft-Versus-Host Disease After Allogeneic Hematopoietic Cell Transplantation

Blood and Marrow Transplantation Program, Department of Internal Medicine, Division of Hematology/Oncology, University of Michigan Comprehensive Cancer Center, Ann Arbor, MI, USA.
Current Stem Cell Research & Therapy (Impact Factor: 2.86). 01/2010; 4(4):252-9. DOI: 10.2174/157488809789649269
Source: PubMed

ABSTRACT Allogeneic hematopoietic cell transplantation (allo-HCT) is an effective therapy for hematological malignancies and inherited diseases. However, acute graft-versus-host-disease (aGVHD) is a major life-threatening complication after allo-HCT and there are few therapeutic options for severe steroid-refractory aGVHD. Preliminary studies on co-transplantation of mesenchymal stem cells (MSCs) have shown an improvement in or resolution of severe aGVHD. However, the mechanism underlying this immunosuppressive effect has not been elucidated. Most of the data suggest that the immunosuppressive effect involves soluble factors such as IL-6 or TGF-beta as well as cell-cell contact dependence. MSCs interact either directly with T cells or indirectly via other immune cells such as dendritic cells and NK cells. Here we review the immunomodulatory function of MSCs in allo-HCT and their potential usefulness in the treatment or prevention of severe acute GVHD.

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