D-Allose is one of the rare sugars produced from D-psicose. We examined whether d-allose reduces the extent of rat renal ischemia/reperfusion (I/R) injury by suppressing the activation of neutrophils. The renal concentrations of cytokine-induced neutrophil chemoattractant (CINC)-1 and myeloperoxidase were significantly increased after renal I/R. These increases were significantly inhibited by D-allose administration. Furthermore, D-allose significantly inhibited the increase in the concentrations of blood urea nitrogen (BUN), creatinine, N-acetyl beta-D-glucosaminidase (NAG) and histopathologic changes after renal I/R. These findings strongly suggest that D-allose protects against I/R-induced renal injury by inhibiting the activation of neutrophils that play an important role in I/R-induced renal injury. These findings may have important implications in understanding the biologic functions of D-allose. D-Allose may prove useful in renal surgery and transplantation.
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