Suppression of B-cell development as a result of selective expansion of donor T cells during the minor H antigen graft-versus-host reaction

Beth A. Garvy, Jeanne M. Elia, Brian L. Hamilton, Richard L Riley

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Abstract

A murine model of bone marrow (BM) transplantation in which donor (B10.D2) and recipient (BALB/c) mice were major histocompatibility complex (MHC) (H-2d) and Mls-1 identical, but incompatible at multiple non-MHC minor histocompatibility (H) antigens, and at Mis-2,3 was used to examine regeneration of B-cell development during the minor H antigen graft-versus-host reaction (GVHR). Mice that received T-cell-depleted allogeneic BM regained significant pre-B cells (slg- 14.8+) in their BM. Mice undergoing GVHR after transplantation with allogeneic BM + T cells had less than 2% pre-B cells in their BM at day 7 and only 12% to 14% pre-B cells at days 21 and 28 compared with greater than 20% pre-B cells in the allogeneic controls. After partial recovery, the pre-B cells in the BM of GVH mice again decreased to less than 3% by day 42. This normal pattern of pre-B cell development in mice undergoing GVHR was associated with a reduced response to interleukin-7 (IL-7) in vitro. The delay in B-lineage cell reconstitution in mice with GVHR correlated with the expansion of donor Vβ3+ T cells in both the spleen and BM. BM T cells from mice with GVHR as well as isolated Vβ3+ T cells inhibited IL-7 colony-forming units from normal BM in coculture assays. This inhibition could be reversed with antiinterferon γ (IFNγ) antibody. These data suggest that the delay in appearance and the reduction in proportion and number of pre-B cells observed early during the GVH reaction in this model is caused, in part, by the inhibitory actions of IFNγ derived from donor Vβ3+ T cells on B-lineage cell development.

Original languageEnglish
Pages (from-to)2758-2766
Number of pages9
JournalBlood
Volume82
Issue number9
StatePublished - Nov 1 1993

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Graft vs. host reactions
B-Lymphoid Precursor Cells
T-cells
Bone
B-Lymphocytes
Cells
T-Lymphocytes
Transplants
Bone Marrow
Interleukin-7
Major Histocompatibility Complex
Bone Marrow Cells
Minor Histocompatibility Antigens
Homologous Transplantation
Transplantation (surgical)
Coculture Techniques
H antigen
Bone Marrow Transplantation
Regeneration
Stem Cells

ASJC Scopus subject areas

  • Hematology

Cite this

Suppression of B-cell development as a result of selective expansion of donor T cells during the minor H antigen graft-versus-host reaction. / Garvy, Beth A.; Elia, Jeanne M.; Hamilton, Brian L.; Riley, Richard L.

In: Blood, Vol. 82, No. 9, 01.11.1993, p. 2758-2766.

Research output: Contribution to journalArticle

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title = "Suppression of B-cell development as a result of selective expansion of donor T cells during the minor H antigen graft-versus-host reaction",
abstract = "A murine model of bone marrow (BM) transplantation in which donor (B10.D2) and recipient (BALB/c) mice were major histocompatibility complex (MHC) (H-2d) and Mls-1 identical, but incompatible at multiple non-MHC minor histocompatibility (H) antigens, and at Mis-2,3 was used to examine regeneration of B-cell development during the minor H antigen graft-versus-host reaction (GVHR). Mice that received T-cell-depleted allogeneic BM regained significant pre-B cells (slg- 14.8+) in their BM. Mice undergoing GVHR after transplantation with allogeneic BM + T cells had less than 2{\%} pre-B cells in their BM at day 7 and only 12{\%} to 14{\%} pre-B cells at days 21 and 28 compared with greater than 20{\%} pre-B cells in the allogeneic controls. After partial recovery, the pre-B cells in the BM of GVH mice again decreased to less than 3{\%} by day 42. This normal pattern of pre-B cell development in mice undergoing GVHR was associated with a reduced response to interleukin-7 (IL-7) in vitro. The delay in B-lineage cell reconstitution in mice with GVHR correlated with the expansion of donor Vβ3+ T cells in both the spleen and BM. BM T cells from mice with GVHR as well as isolated Vβ3+ T cells inhibited IL-7 colony-forming units from normal BM in coculture assays. This inhibition could be reversed with antiinterferon γ (IFNγ) antibody. These data suggest that the delay in appearance and the reduction in proportion and number of pre-B cells observed early during the GVH reaction in this model is caused, in part, by the inhibitory actions of IFNγ derived from donor Vβ3+ T cells on B-lineage cell development.",
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