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- W4313350030 abstract "Abstract The extracellular concentrations of adenosine are elevated during sepsis and adenosine receptors regulate the host’s response to sepsis. Here, we investigated the role of the adenosine generating ectoenzyme, ecto-5'-nucleotidase (CD73) in regulating immune and organ function during sepsis. Polymicrobial sepsis was induced by subjecting CD73 knockout (KO) and wild type (WT) mice to cecal ligation and puncture. CD73 KO mice showed increased mortality in comparison with WT mice, which was associated with increased bacterial counts and elevated inflammatory cytokine and chemokine concentrations in the blood and peritoneum. CD73 deficiency promoted lung injury as indicated by increased myeloperoxidase activity and neutrophil infiltration, and elevated pulmonary cytokine levels. CD73 KO mice had increased apoptosis in the thymus, as evidenced by increased activation of caspase-3, poly(ADP-ribose) polymerase and NF-κB. Septic CD73 KO mice had higher blood urea nitrogen levels and elevated cytokine levels in the kidney, indicating increased renal dysfunction. The increased kidney injury of CD73 KO mice was associated with augmented activation of p38 MAPK and decreased phosphorylation of Akt. Pharmacological inactivation of CD73 in WT mice using AMPCP augmented cytokine levels in the blood and peritoneal lavage fluid. These findings suggest that CD73-derived adenosine may be beneficial in sepsis." @default.
- W4313350030 created "2023-01-06" @default.
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- W4313350030 date "2011-04-01" @default.
- W4313350030 modified "2023-09-25" @default.
- W4313350030 title "Ecto-5′-nucleotidase (CD73) decreases mortality and organ injury in sepsis (56.31)" @default.
- W4313350030 doi "https://doi.org/10.4049/jimmunol.186.supp.56.31" @default.
- W4313350030 hasPublicationYear "2011" @default.
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