• activation of prosurvival signaling pathways during the memory phase of volatile anesthetic preconditioning in human myocardium: a pilot study

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
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     according to a compelling body of evidence anesthetic preconditioning (apc) attenuates the deleterious consequences of ischemia–reperfusion and protects the heart through a mechanism similar to ischemic preconditioning. the present study was purported to investigate the intracellular signaling pathways activated in human myocardium in response to a preconditioning protocol with two different volatile anesthetics, namely isoflurane and sevoflurane. to this aim, phosphorylation of pkcα and -δ, erk1/2, akt, and gsk3β was determined at the end of the apc protocol, in human atrial samples harvested from patients undergoing open-heart surgery. the results demonstrate that preconditioning with volatile anesthetics triggers the activation of pkcδ and -α isoforms and of prosurvival kinases, erk1/2, and akt, while inhibiting their downstream target gsk3β during the memory phase.

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