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Mediators of Inflammation
Volume 2009 (2009), Article ID 137072, 12 pages
Review Article

Mediators of Inflammation in Acute Kidney Injury

Division of Renal Diseases and Hypertension, University of Colorado Denver, Aurora, CO 80262, USA

Received 30 July 2009; Accepted 18 November 2009

Academic Editor: Eric Morand

Copyright © 2009 Ali Akcay et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Acute kidney injury (AKI) remains to be an independent risk factor for mortality and morbidity. Inflammation is now believed to play a major role in the pathopathophysiology of AKI. It is hypothesized that in ischemia, sepsis and nephrotoxic models that the initial insult results in morphological and/or functional changes in vascular endothelial cells and/or in tubular epithelium. Then, leukocytes including neutrophils, macrophages, natural killer cells, and lymphocytes infiltrate into the injured kidneys. The injury induces the generation of inflammatory mediators like cytokines and chemokines by tubular and endothelial cells which contribute to the recruiting of leukocytes into the kidneys. Thus, inflammation has an important role in the initiation and extension phases of AKI. This review will focus on the mediators of inflammation contributing to the pathogenesis of AKI.