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2015 ; 13
(4
): 760-770
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Preventing Allograft Rejection by Targeting Immune Metabolism
#MMPMID26489460
Lee CF
; Lo YC
; Cheng CH
; Furtmüller GJ
; Oh B
; Andrade-Oliveira V
; Thomas AG
; Bowman CE
; Slusher BS
; Wolfgang MJ
; Brandacher G
; Powell JD
Cell Rep
2015[Oct]; 13
(4
): 760-770
PMID26489460
show ga
Upon antigen recognition and co-stimulation, T lymphocytes upregulate the
metabolic machinery necessary to proliferate and sustain effector function. This
metabolic reprogramming in T cells regulates T cell activation and
differentiation but is not just a consequence of antigen recognition. Although
such metabolic reprogramming promotes the differentiation and function of T
effector cells, the differentiation of regulatory T cells employs different
metabolic reprogramming. Therefore, we hypothesized that inhibition of glycolysis
and glutamine metabolism might prevent graft rejection by inhibiting effector
generation and function and promoting regulatory T cell generation. We devised an
anti-rejection regimen involving the glycolytic inhibitor 2-deoxyglucose (2-DG),
the anti-type II diabetes drug metformin, and the inhibitor of glutamine
metabolism 6-diazo-5-oxo-L-norleucine (DON). Using this triple-drug regimen, we
were able to prevent or delay graft rejection in fully mismatched skin and heart
allograft transplantation models.