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Involvement of Leukotriene Pathway in the Pathogenesis of Ischemia- Reperfusion Injury and Septic and Non-Septic Shock

[ Vol. 7 , Issue. 2 ]


Antonietta Rossi, Salvatore Cuzzocrea and Lidia Sautebin   Pages 185 - 197 ( 13 )


The 5-lipoxygenase (5-LO) pathway is responsible for the production of leukotrienes (LTs), inflammatory lipid mediators which play a role in innate immunity. More recently, a pivotal role of LTs in ischemia-reperfusion and shock injury has been suggested. In fact, these pathological conditions are characterized by a severe neutrophil infiltration that gives rise to tissue injury and 5-LO metabolites control neutrophil recruitment in injured tissue by the modulation of adhesion molecule expression. The aim of this review is to analyze the results reported in the literature on the role of 5-LO pathway, with particular regard to LTs, in these pathological conditions. A better understanding of the mechanisms underlying the role of the 5-LO enzyme and/or its metabolites in the regulation of neutrophil trafficking, might open new perspectives in the therapy of organ dysfunction and/or injury associated with shock and ischemia-reperfusion injury.


5-lipoxygenase, adhesion molecules, ischemia-reperfusion injury, leukotrienes, neutrophil infiltration, septic shock, non-septic shock


Department of Clinical and Experimental Medicine and Pharmacology, University of Messina, Via C. Valeria, 5-98125 Messina, Italy.

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