Alterations in rat brain proteins after desflurane anesthesia

Volatile anesthetics disappear from an organism after the end of anesthesia. Whether changes of protein expression persist in the brain for a longer period is not known. This study investigates the question of whether the expression of proteins is altered in the rat brain after the end of desflurane...

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Main Authors: Fütterer, Carsten Dietmar (Author) , Maurer, Martin H. (Author) , Schmitt, Anne (Author) , Feldmann, Robert Enrico (Author) , Kuschinsky, Wolfgang (Author) , Waschke, Klaus F. (Author)
Format: Article (Journal)
Language:English
Published: [Feb 2004]
In: Anesthesiology
Year: 2004, Volume: 100, Issue: 2, Pages: 302-308
ISSN:1528-1175
DOI:10.1097/00000542-200402000-00019
Online Access:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1097/00000542-200402000-00019
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Author Notes:Carsten D. Fütterer, Martin H. Maurer, Anne Schmitt, Robert E. Feldmann, Wolfgang Kuschinsky, Klaus F. Waschke

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520 |a Volatile anesthetics disappear from an organism after the end of anesthesia. Whether changes of protein expression persist in the brain for a longer period is not known. This study investigates the question of whether the expression of proteins is altered in the rat brain after the end of desflurane anesthesia.Three groups (n = 12 each) of rats were anesthetized with 5.7% desflurane in air for 3 h. Brains were removed directly after anesthesia, 24 h after anesthesia, or 72 h after anesthesia. Two additional groups (n = 12 each) served as naive conscious controls, in which the brains were removed without previous anesthesia 3 or 72 h after the start of the experiment. Cytosolic proteins were isolated. A proteome-wide study was performed, based on two-dimensional gel electrophoresis and mass spectrometry.Compared with conscious controls, significant (P < 0.05) increase/decrease was found: 3 h of anesthesia, 5/2 proteins; 24 h after anesthesia, 13/1 proteins; 72 h after anesthesia, 6/4 proteins. The overall changes in protein expression as quantified by the induction factor ranged from -1.67 (decrease to 60%) to 1.79 (increase by 79%) compared with the controls (100%). Some of these regulated proteins play a role in vesicle transport and metabolism.Desflurane anesthesia produces changes in cytosolic protein expression up to 72 h after anesthesia in the rat brain, indicating yet unknown persisting effects. 
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