Prevention of murine acute graft-versus-host disease by recipient-derived TGFβ1-treated dendritic cells

H. B. Mou, M. F. Lin, H. Cen, H. Huang, Zhen Cai

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Acute graft-versus-host disease (GVHD) remains the major barrier to allogeneic bone marrow transplantation (allo-BMT). Evidence has accumulated that transforming growth factor β1-treated dendritic cells (TGFβ-DC), deficient in surface costimulatory molecules, inhibit alloantigen-specific T-cell responses and induce graft hyporeactivity. To analyze the effect of TGFβ-DC on GVHD after allo-BMT, 5.0 × 106 recipient-derived TGFβ-DC were injected into C57BL/6 (H-2b) with bone marrow-splenocyte grafts from major histocompatibility complex (MHC) disparate BALB/c mice (H-2d). Survival analysis showed TGFβ-DC cotransplantation resulted in significant prolongation of allograft survival, namely a mean survival time (MST) of 44.3 ± 4.5 days, versus the untreated MST of 9.5 ± 0.6 days (P < .01). However, mature DC aggravated the GVHD with an MST of 6.6 ± 0.6 days (P < .01). In addition, the third-party C3H-derived TGFβ-DC did not enhance the survival rate (MST = 9.7 ± 0.5 days). Furthermore, serum IFN-γ, IL-12, and IL-18 levels in TGFβ-DC cotransplanted mice were reduced compared with untreated BMT hosts, while serum IL-10 levels were not changed. These results suggest that TGFβ-DC cotransplantation may attenuate the severity of GVHD after BMT.

Original languageEnglish (US)
Pages (from-to)1604-1606
Number of pages3
JournalTransplantation proceedings
Volume36
Issue number5
DOIs
StatePublished - Jun 1 2004

ASJC Scopus subject areas

  • Surgery
  • Transplantation

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