Donor-Derived M2 Macrophages Attenuate GVHD after Allogeneic Hematopoietic Stem Cell Transplantation

Graft-versus-host disease (GVHD) was induced in lethally irradiated BALB/c mice. M2 macrophages derived from donor bone marrow (BM) were administered intravenously, while controls received donor BM-mononuclear cells and splenocytes.