ArticleFree radical biology & medicine2013
Depleted energy charge and increased pulmonary endothelial permeability induced by mitochondrial complex I inhibition are mitigated by coenzyme Q1 in the isolated perfused rat lung.
Article in Free radical biology & medicine, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed, 24 citations in OpenAlex.
- Computational modeling of substrate-dependent lung mitochondrial respiration and bioenergetics in rats with different susceptibility to hyperoxia-induced ARDS.American journal of physiology. Cell physiology · 2026Article
- Sex-specific differences in lung mitochondrial function and injury in rats exposed to hyperoxia.Journal of applied physiology (Bethesda, Md. : 1985) · 2026Article
- The antiseizure medication stiripentol inhibits mitochondrial complex I by blocking early-stage electron transfer.The Journal of biological chemistry · 2026Article
- Mitochondrial reactive oxygen species production in lungs of rats with different susceptibilities to hyperoxia-induced acute lung injury.Biochimica et biophysica acta. Bioenergetics · 2025Article
- Mitochondrial function in lungs of rats with different susceptibilities to hyperoxia-induced acute lung injury.Journal of applied physiology (Bethesda, Md. : 1985) · 2024Article
- In vivo molecular imaging stratifies rats with different susceptibilities to hyperoxic acute lung injury.American journal of physiology. Lung cellular and molecular physiology · 2022Article
- Depolarized mitochondrial membrane potential and protection with duroquinone in isolated perfused lungs from rats exposed to hyperoxia.Journal of applied physiology (Bethesda, Md. : 1985) · 2022Article
- Mitochondrial dysfunction in vascular endothelial cells and its role in atherosclerosis.Frontiers in physiology · 2022Review
- A rapid dynamic in vivo near-infrared fluorescence imaging assay to track lung vascular permeability after acute radiation injury.American journal of physiology. Lung cellular and molecular physiology · 2021Article
- Exercise hormone irisin mitigates endothelial barrier dysfunction and microvascular leakage-related diseases.JCI insight · 2020Article
- Quantification of mitochondrial membrane potential in the isolated rat lung using rhodamine 6G.Journal of applied physiology (Bethesda, Md. : 1985) · 2020Article
- Integrated Computational Model of Lung Tissue Bioenergetics.Frontiers in physiology · 2019Article
- Detection of hydrogen peroxide production in the isolated rat lung using Amplex red.Free radical research · 2018Article
- Article
- 99MTc-Hexamethylpropyleneamine Oxime Imaging for Early Detection of Acute Lung Injury in Rats Exposed to Hyperoxia or Lipopolysaccharide Treatment.Shock (Augusta, Ga.) · 2016Article
- Biomarkers for Radiation Pneumonitis Using Noninvasive Molecular Imaging.Journal of nuclear medicine : official publication, Society of Nuclear Medicine · 2016Article
- Resolvin D1 mitigates energy metabolism disorder after ischemia-reperfusion of the rat lung.Journal of translational medicine · 2016Article
- Mitochondrial Respiratory Chain Inhibitors Involved in ROS Production Induced by Acute High Concentrations of Iodide and the Effects of SOD as a Protective Factor.Oxidative medicine and cellular longevity · 2015Article
- Permeability and calcium signaling in lung endothelium: unpack the box….Pulmonary circulationArticle
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Authors and funding
8 authors at 2 institutions in 1 country.
Funding
Abstract
Mitochondrial dysfunction is associated with various forms of lung injury and disease that also involve alterations in pulmonary endothelial permeability, but the relationship, if any, between the two is not well understood. This question was addressed by perfusing isolated intact rat lung with a buffered physiological saline solution in the absence or presence of the mitochondrial complex I inhibitor rotenone (20 μM). Compared to control, rotenone depressed whole lung tissue ATP from 5.66 ± 0.46 (SEM) to 2.34 ± 0.15 µmol · g(-1) dry lung, with concomitant increases in the ADP:ATP and AMP:ATP ratios. Rotenone also increased lung perfusate lactate (from 12.36 ± 1.64 to 38.62 ± 3.14 µmol · 15 min(-1) perfusion · g(-1) dry lung) and the lactate:pyruvate ratio, but had no detectable impact on lung tissue GSH:GSSG redox status. The amphipathic quinone coenzyme Q1 (CoQ1; 50 μM) mitigated the impact of rotenone on the adenine nucleotide balance, wherein mitigation was blocked by NAD(P)H-quinone oxidoreductase 1 or mitochondrial complex III inhibitors. In separate studies, rotenone increased the pulmonary vascular endothelial filtration coefficient (Kf) from 0.043 ± 0.010 to 0.156 ± 0.037 ml · min(-1) · cm H2O(-1) · g(-1) dry lung, and CoQ1 protected against the effect of rotenone on Kf. A second complex I inhibitor, piericidin A, qualitatively reproduced the impact of rotenone on Kf and the lactate:pyruvate ratio. Taken together, the observations imply that pulmonary endothelial barrier integrity depends on mitochondrial bioenergetics as reflected in lung tissue ATP levels and that compensatory activation of whole lung glycolysis cannot protect against pulmonary endothelial hyperpermeability in response to mitochondrial blockade. The study further suggests that low-molecular-weight amphipathic quinones may have therapeutic utility in protecting lung barrier function in mitochondrial insufficiency.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.