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- Title
Influence of Housing Temperature and Genetic Diversity on Allogeneic T Cell-Induced Tissue Damage in Mice.
- Authors
Enriquez, Josue; McDaniel Mims, Brianyell; Stroever, Stephanie; dos Santos, Andrea Pires; Jones-Hall, Yava; Furr, Kathryn L.; Grisham, Matthew B.
- Abstract
The objective of this study was to determine how housing temperature and genetic diversity affect the onset and severity of allogeneic T cell-induced tissue damage in mice subjected to reduced intensity conditioning (RIC). We found that adoptive transfer of allogeneic CD4+ T cells from inbred donors into sub-lethally irradiated inbred recipients (I→I) housed at standard housing temperatures (ST; 22–24 °C) induced extensive BM and spleen damage in the absence of injury to any other tissue. Although engraftment of T cells in RIC-treated mice housed at their thermo-neutral temperature (TNT; 30–32 °C) also developed similar BM and spleen damage, their survival was markedly and significantly increased when compared to their ST counterparts. In contrast, the adoptive transfer of allogeneic T cells into RIC-treated outbred CD1 recipients failed to induce disease in any tissue at ST or TNT. The lack of tissue damage was not due to defects in donor T cell trafficking to BM or spleen but was associated with the presence of large numbers of B cells and myeloid cells within these tissues that are known to contain immunosuppressive regulatory B cells and myeloid-derived suppressor cells. These data demonstrate, for the first time, that housing temperature affects the survival of RIC-treated I→I mice and that RIC-conditioned outbred mice are resistant to allogeneic T cell-induced BM and spleen damage.
- Subjects
MYELOID-derived suppressor cells; REGULATORY B cells; T cells; SUPPRESSOR cells; B cells; ANIMAL housing; GENETIC variation; MYELOID cells
- Publication
Pathophysiology, 2023, Vol 30, Issue 4, p522
- ISSN
0928-4680
- Publication type
Article
- DOI
10.3390/pathophysiology30040039