PMID: 30157330Apr 1, 2017Paper

CYCLOSPORIN H: A NOVEL ANTI-INFLAMMATORY THERAPY FOR INFLUENZA FLU PATIENTS

Journal of the Egyptian Society of Parasitology
Salwa A ElgebalyDonald L Kreutzer

Abstract

Relatively little is known about the inflammatory mediators and mechanisms that drive the progression of influenza flu infection to cytokine storm, lung dysfunction, organ failure, and ultimately death. Vaccines and antiviral medications cannot control the excessive host inflammatory response associated with severe influenza flu infection. Studies by Elgebaly et al demonstrated the rapid release of a potent inflammatory mediator, recently named Nourin, by local mammalian tissues in response to injury and infection. Nourin is a formyl peptide that acts through the formyl peptide receptor (FPR) on phagocytic leukocytes. As an initial signal in the innate immunity, Nourin stimulates leukocyte chemotaxis, induces acute and chronic inflammation, and stimulates the release of a number of the cytokine storm mediators from monocytes, neutrophils and endothelial cells. Furthermore, Nourin detected in plasma samples from patients with severe influenza infection was much higher compared to moderate influenza. The Nourin antagonist, Cyclosporin H, is a potent anti-inflammatory compound, which acts as a specific competitive antagonist of formyl peptides on the formyl peptide receptor (FPR) on phagocytic: leukocytes. Cyclosporin H completely...Continue Reading

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