Review Article

New Insights into the Role of Peroxisome Proliferator-Activated Receptors in Regulating the Inflammatory Response after Tissue Injury

Table 1

Selected publications on experimental studies testing the anti-inflammatory effects of PPAR ligands in various models of sepsis and shock.

Pathological conditionPPAR isotype/ligandLigand-induced effectsAffected signaling pathwayReference

Endotoxic shockPPARα/fenofibrateDecrease in coagulation activation (monocyte tissue factor expression), protection against endothelial dysfunctionNot examinedWiel et al. [107]
PPARγ/rosiglitazoneSuppression of biomarkers for liver and kidney injury and of cytokines, inhibition of heart rate increaseNot examinedWu et al. [110]
PPARγ/15d-PGJ2Improvement of survival rate, reduction of adhesion molecule expression, and of neutrophil infiltration in tissuesNF-κB, HSP (heat shock protein) 70Kaplan et al. [104]

Hemorrhagic shockPPARγ/ciglitazoneAmelioration of mean arterial pressure, reduction of plasma cytokine levels, decrease of apoptosis in lung and liverNF-κBChima et al. [112]
Caspase-3, PI3/AktChima et al. [113], Zingarelli et al. [105]
PPARγ/15d-PGJ2Attenuation of renal dysfunction and of liver, lung, and intestine injuryNot examinedAbdelrahman et al. [111]

Polymicrobial sepsis/septic shockPPARβ/δDecrease in cytokine release, attenuation of organ dysfunction, reduced expression of inducible nitric oxide synthaseAkt, GSK-3β, ERK1/2, STAT-3, NF-κBKapoor et al. [106]
Zingarelli et al. [115]
PPARγ/ciglitazone and 15d-PGJ2Amelioration of hypotension and survival, decreased inflammatory signs in lung, colon, and liverNF-κB, AP-1Zingarelli et al. [114]

Multiple organ failurePPARβ/δReduction of peritoneal exsudate formation and of neutrophil infiltration, attenuation of multiple organ dysfunction syndromeNot examinedGaluppo et al. [117]
PPARγ/rosiglitazoneAttenuation of peritoneal exsudation and of organ injury and dysfunctionNot examinedCuzzocrea et al. [116]