ISSN 2146-8389
 

Original Research (Original Article) 


Lipid peroxidation-inhibitory effects of perioperatively used drugs associated with their membrane interactions

Hironori Tsuchiya.

Cited by (1)

Abstract
Objective: Oxidative/nitrative stress, an imbalance between oxidant production and antioxidant defense in the biological system, is induced not only by various diseases but also by anesthesia and surgical trauma. Since the choice of drugs is expected to reduce oxidative/nitrative stress in the perioperative period, the lipid peroxidation inhibition by different drugs associated with surgery was studied together with investigating one of their possible mechanisms.
Methods: Lipid peroxidation-inhibitory effects were fluorometrically determined using the liposomes of diphenyl-1-pyrenylphosphine-incorporated lipid bilayers which were treated with 10-200 μM drugs and reference antioxidants, and then peroxidized with 20 μM peroxynitrite. Membrane interactions were evaluated by the drug- and antioxidant-induced changes in membrane fluidity which were determined by measuring the fluorescence polarization of 1,6-diphenyl-1,3,5-hexatriene-labeled biomimetic membranes after treating with drugs and antioxidants at 1-200 μM.
Results: All of the tested drugs concentration-dependently inhibited peroxynitrite-induced lipid peroxidation as well as antioxidant α-tocopherol, quercetin and (–)-epigallocatechin-3-gallate. The inhibition at 10 μM was greatest in propofol, followed by guaiacol, thiopental, thymol, phenol, midazolam, diazepam, lidocaine, eugenol, procaine, bupivacaine, ropivacaine, sevoflurane, ketamine, mepivacaine and prilocaine. Antioxidant drugs including propofol, local anesthetics and phenol derivatives, and reference antioxidants interacted with biomimetic membranes consisting of phospholipids and cholesterol to modify the membrane fluidity, while their membrane-interacting potencies did not necessarily correlate to their lipid peroxidation-inhibiting ones, suggesting that the interaction between drugs and membrane lipid bilayers, at least in part, underlies the lipid peroxidation inhibition.
Conclusion: In addition to their inherent effects, propofol and other drugs to inhibit lipid peroxidation may be protective against perioperative oxidative/nitrative stress. The membrane interaction could be a guide for discovering novel antioxidant drugs.

Key words: Biomimetic membrane; Lipid peroxidation; Membrane interaction; Nitrative stress; Oxidative stress; Perioperative drug


 
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1
 

How to Cite this Article
Pubmed Style

Hironori Tsuchiya. Lipid peroxidation-inhibitory effects of perioperatively used drugs associated with their membrane interactions. Oxid Antioxid Med Sci. 2014; 3(2): 91-98. doi:10.5455/oams.020414.or.061


Web Style

Hironori Tsuchiya. Lipid peroxidation-inhibitory effects of perioperatively used drugs associated with their membrane interactions. http://www.ejmoams.com/?mno=153005 [Access: May 22, 2018]. doi:10.5455/oams.020414.or.061


AMA (American Medical Association) Style

Hironori Tsuchiya. Lipid peroxidation-inhibitory effects of perioperatively used drugs associated with their membrane interactions. Oxid Antioxid Med Sci. 2014; 3(2): 91-98. doi:10.5455/oams.020414.or.061



Vancouver/ICMJE Style

Hironori Tsuchiya. Lipid peroxidation-inhibitory effects of perioperatively used drugs associated with their membrane interactions. Oxid Antioxid Med Sci. (2014), [cited May 22, 2018]; 3(2): 91-98. doi:10.5455/oams.020414.or.061



Harvard Style

Hironori Tsuchiya (2014) Lipid peroxidation-inhibitory effects of perioperatively used drugs associated with their membrane interactions. Oxid Antioxid Med Sci, 3 (2), 91-98. doi:10.5455/oams.020414.or.061



Turabian Style

Hironori Tsuchiya. 2014. Lipid peroxidation-inhibitory effects of perioperatively used drugs associated with their membrane interactions. Oxidants and Antioxidants in Medical Science, 3 (2), 91-98. doi:10.5455/oams.020414.or.061



Chicago Style

Hironori Tsuchiya. "Lipid peroxidation-inhibitory effects of perioperatively used drugs associated with their membrane interactions." Oxidants and Antioxidants in Medical Science 3 (2014), 91-98. doi:10.5455/oams.020414.or.061



MLA (The Modern Language Association) Style

Hironori Tsuchiya. "Lipid peroxidation-inhibitory effects of perioperatively used drugs associated with their membrane interactions." Oxidants and Antioxidants in Medical Science 3.2 (2014), 91-98. Print. doi:10.5455/oams.020414.or.061



APA (American Psychological Association) Style

Hironori Tsuchiya (2014) Lipid peroxidation-inhibitory effects of perioperatively used drugs associated with their membrane interactions. Oxidants and Antioxidants in Medical Science, 3 (2), 91-98. doi:10.5455/oams.020414.or.061





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