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Curr Opin Infect Dis. 2001 Jun;14(3):257-63.

Roles of prostaglandins and leukotrienes in acute inflammation caused by bacterial infection.

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Laboratory of Host Defense and Germfree Life, Research Institute for Disease Mechanism and Control, Nagoya University School of Medicine, Nagoya, Japan.


Prostanoids, including prostaglandins and thromboxanes, are generated by the phospholipase A2/cyclooxygenase pathway, and leukotrienes are generated by the 5-lipoxygenase pathway from arachidonic acid. At physiological concentrations, vasodilator prostaglandins enhance the vascular permeability effects of histamine and bradykinin, and leukotrienes are important mediators of leukocyte accumulation during acute inflammation. On the other hand, prostaglandin metabolites such as cyclopentenone prostaglandins contribute to the resolution of acute inflammation through inhibition of nuclear factor-kappaB activation. Thus, arachidonic acid oxygenation products mediate diverse effects that induce and resolve acute inflammation caused by bacterial infection.

[Indexed for MEDLINE]

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