Antecedent hydrogen sulfide elicits an anti-inflammatory phenotype in postischemic murine small intestine

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Antecedent hydrogen sulfide elicits an anti-inflammatory phenotype in postischemic murine small intestine

Please use this identifier to cite or link to this item: http://hdl.handle.net/10355/4779

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Title: Antecedent hydrogen sulfide elicits an anti-inflammatory phenotype in postischemic murine small intestine
Author: Yusof, Mozow, 1976-
Date: 2007
Publisher: University of Missouri--Columbia
Abstract: Ischemia followed by reperfusion (I/R) is now well-recognized as one form of acute inflammation in which leukocytes play a key role. Preconditioning is a phenomenon through which antecedent exposure to a particular stimulus confers protection against a subsequent prolonged ischemic event. The development of a protected phenotype occurs in response to a diverse array of preconditioning stimuli; each of these preconditioning stimuli appears to promote the production of the gaseous monoxide, nitric oxide (NO), as an initial triggering event in the acquisition of tolerance to I/R. Recent work has shown that NO acts as an endogenous regulator of a second gaseous signaling molecule with vasorelaxant properties, hydrogen sulfide (H₂S). Similar to NO, H₂S has the ability to fulfill a physiologic role in regulating cardiovascular function, distinct from its toxicologic effect. This dissertation shows that H₂S inhibits inflammation after I/R injury, through four separate, yet not necessarily distinct, mechanisms. The aims of this dissertation addressed the hypothesis that H₂S elicits a preconditioning stimulus and protects against I/R injury through an eNOS-/p38 MAPK-/K channel-/HO-1 dependent mechanism.
URI: http://hdl.handle.net/10355/4779
Other Identifiers: YusofM-030309-D9190

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