Modulation of the Phosphoinositide 3-Kinase Signaling Pathway Alters Host Response to Sepsis, Inflammation, and Ischemia/Reperfusion Injury

Document Type

Review

Publication Date

5-1-2006

Description

The phosphoinositide 3-kinases (PI3Ks) are a conserved family of signal transduction enzymes that are involved in regulating cellular activation, inflammatory responses, chemotaxis, and apoptosis. We have discovered that a carbohydrate ligand, glucan, will stimulate the endogenous PI3K/Akt signaling pathway. This article reviews the current data on the role of the PI3K/Akt signaling pathway as a negative feedback mechanism or compensatory regulator of septic and inflammatory responses. Of greater importance, the data reviewed in this article suggest that modulation of the PI3K/ Akt signaling pathway can reduce the morbidity and mortality associated with septic and I/R injury. Thus, manipulation of the endogenous PI3K/Akt signaling pathway may represent a new and novel therapeutic approach to management of important diseases.

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