Exploiting endobiotic metabolic pathways to target xenobiotic antioxidants to mitochondria

被引:3
作者
Anders, M. W. [1 ]
机构
[1] Univ Rochester, Med Ctr, Dept Physiol & Pharmacol, Rochester, NY 14642 USA
关键词
Mitochondria; Antioxidants; Drug targeting; beta-oxidation; Prodrugs; ACYL-COA DEHYDROGENASE; S-(1,2 DICHLOROVINYL)-3-MERCAPTOPROPIONIC ACID; OXIDATION-DEPENDENT BIOACTIVATION; PERMEABLE PEPTIDE ANTIOXIDANTS; ISCHEMIA-REPERFUSION INJURY; PLASTOQUINONE DERIVATIVES; INTERRUPT EXECUTION; BETA-OXIDATION; NEURODEGENERATIVE DISEASES; PENETRATING PEPTIDES;
D O I
10.1016/j.mito.2012.10.015
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Oxidative stress plays a role in a range of human disease entities. Hence, strategies to target antioxidants to mitochondria are an active area of investigation. Triphenylphosphonium cation-based antioxidants and SS-peptides have been described and show significant uptake by mitochondria and effectiveness in animal models of conditions linked to oxidative stress. We tested the hypothesis that the mitochondrial beta-oxidation pathway could be exploited to activate the antioxidant phenolic and methimazole prodrugs. Most compounds studied underwent mitochondrial biotransformation to release their antioxidant moieties, and some were cytoprotective in a hypoxia-reoxygenation model in rat cardiomyocytes. These results demonstrate the feasibility of exploiting mitochondrial bioactivation reactions for targeted drug delivery. (C) 2012 Elsevier B.V. and Mitochondria Research Society. All rights reserved.
引用
收藏
页码:454 / 463
页数:10
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