PMID- 15585939 OWN - NLM STAT- MEDLINE DCOM- 20050303 LR - 20191026 IS - 1543-1894 (Print) IS - 1543-1894 (Linking) VI - 109 DP - 2005 TI - Induction of mixed vs full chimerism to potentiate GVL effects after bone-marrow transplantation. PG - 469-74 AB - Graft-vs-host (GVH) alloresponses mediated by delayed donor lymphocyte infusions (DLI) can occur in the absence of GVHD (graft-vs-host disease). These GVH responses are confined to the lymphohematopoietic system and mediate graft-vs-leukemia (GVL) reactions without causing GVHD. Although interaction of donor T-cells with host-derived antigen-presenting cells (APC) is central to the development of GVHD, we were able to show that this T-cell/APC interaction is also critical for the induction of GVL, which can occur in the absence of GVHD if donor T-cell administration is delayed to a time point after bone-marrow transplant (BMT) when conditioning-induced inflammation has subsided. Induction of mixed hematopoietic chimerism using the method described below allows analysis of these interactions between host APC and donor T-cells. FAU - Mapara, Markus Y AU - Mapara MY AD - Division of Hematology/Oncology, University of Pittsburgh Cancer Institute, Pittsburgh, PA, USA. FAU - Sykes, Megan AU - Sykes M LA - eng GR - R01 CA 79989/CA/NCI NIH HHS/United States PT - Journal Article PT - Research Support, Non-U.S. Gov't PT - Research Support, U.S. Gov't, P.H.S. PL - United States TA - Methods Mol Med JT - Methods in molecular medicine JID - 101123138 SB - IM MH - Animals MH - Bone Marrow Transplantation/*immunology MH - Cell Line, Tumor MH - Chimera/*immunology MH - *Chimerism MH - Female MH - Graft vs Leukemia Effect/*immunology MH - Killer Cells, Natural/immunology MH - Mice MH - Phenotype MH - T-Lymphocytes/immunology MH - Tissue Donors EDAT- 2004/12/09 09:00 MHDA- 2005/03/04 09:00 CRDT- 2004/12/09 09:00 PHST- 2004/12/09 09:00 [pubmed] PHST- 2005/03/04 09:00 [medline] PHST- 2004/12/09 09:00 [entrez] AID - 1-59259-862-5:469 [pii] AID - 10.1385/1-59259-862-5:469 [doi] PST - ppublish SO - Methods Mol Med. 2005;109:469-74. doi: 10.1385/1-59259-862-5:469.