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Bone Marrow Transplantation Platform to Investigate the Role of Dendritic Cells in Graft-versus-Host Disease
08:05

Bone Marrow Transplantation Platform to Investigate the Role of Dendritic Cells in Graft-versus-Host Disease

Published on: March 17, 2020

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IL-10 gene-modified dendritic cells-induced type 1 T regulatory cells inhibit graft-versus-host disease while

Jiangbo Wan1, Fang Huang1, Weiwei Hu1

  • 1Department of Hematology, Xinhua Hospital, Affiliated to Shanghai Jiao Tong University School of Medcine, Shanghai 200092, PR China.

Biochemical and Biophysical Research Communications
|November 14, 2018
PubMed

To explore the role of type 1 regulatory T (Tr1) cells in allogeneic bone marrow transplantation (allo-BMT), we generated Tr1 cells from naïve CD4+ T cells in donor mice that were subjected to stimulation of recipient interleukin (IL)-10 gene-modified dendritic cells (DCs). In animal models, the severity of graft-versus-host disease (GVHD) in the group co-infused with DC-induced Tr1 cells was markedly milder than that in the groups without infusion of Tr1 cells. Moreover, the co-infusion Tr1 cells significantly prolonged the leukemia-free survival in tumor-bearing mice. Besides, Tr1-induced cells mediated the shift from T helper (Th)1 to Th2 cytokines in allo-BMT recipients. In Conclusions, our findings suggest that IL-10 gene-modified DC-induced Tr1 cells could inhibit GVHD while maintaining Graft-versus-leukemia (GVL) through mediating the shift of Th1/Th2 cytokines in an allo-BMT mice model.

Keywords:
Dendritic cellsGraft-versus-host diseaseGraft-versus-leukemiaIL-10Type 1 regulatory T cells

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