Results 211 to 220 of about 154,469 (260)
Re-Evaluating Hot Mitochondria: Too Slow to Cool. [PDF]
Acta Physiol (Oxf)Treberg JR, Mailloux RJ.
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Journal of the American Chemical Society, 2007
A cyclometalated complex of Ir(III) is covalently tethered to DNA oligonucleotides and serves as both a photooxidant and photoreductant in the study of DNA-mediated hole transport (HT) and electron transport (ET). Spectroscopic and melting temperature studies support intercalation of the tethered complex into the DNA duplex through the functionalized ...
Jacqueline Barton +2 more
exaly +4 more sources
A cyclometalated complex of Ir(III) is covalently tethered to DNA oligonucleotides and serves as both a photooxidant and photoreductant in the study of DNA-mediated hole transport (HT) and electron transport (ET). Spectroscopic and melting temperature studies support intercalation of the tethered complex into the DNA duplex through the functionalized ...
Jacqueline Barton +2 more
exaly +4 more sources
Thermal performance of the electron transport system Complex III in seven Alabama fishes
Journal of Experimental Zoology Part A: Ecological and Integrative Physiology, 2022AbstractManagement of fish populations for conservation in thermally variable systems requires an understanding of the fish's underlying physiology and responses to thermal stress. Physiological research at the organismal level provides information on the overall effects of stressors such as extreme temperature fluctuations.
Lindsay M. Horne +6 more
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Biochemical and Biophysical Research Communications, 1966
In this communication we present some preliminary findings on the “cross-over points” which we observed when isolated electron transport complexes III and IV from beef heart mitochondria were studied in 90% glycerol. Three considerations led us to study electron transport in a medium of low water activity: 1) Such studies might allow the resolution of ...
H, Baum, J S, Rieske
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In this communication we present some preliminary findings on the “cross-over points” which we observed when isolated electron transport complexes III and IV from beef heart mitochondria were studied in 90% glycerol. Three considerations led us to study electron transport in a medium of low water activity: 1) Such studies might allow the resolution of ...
H, Baum, J S, Rieske
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A model of O·2 -generation in the complex III of the electron transport chain
Molecular and Cellular Biochemistry, 1998Oxidation of semiquinone by O2 in the Q cycle is known to be one of the sources of superoxide anion (O2.-) in aerobic cells. In this paper, such a phenomenon was analyzed using the chemical kinetics model of electron transfer from succinate to cytochrome c, including coenzyme Q, the complex III non-heme iron protein FeSIII and cytochromes bl, bh and cl.
O V, Demin +2 more
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Archives of Biochemistry and Biophysics, 2001
The aging heart sustains greater injury during ischemia and reperfusion compared to adult hearts. Aging decreases oxidative function in interfibrillar mitochondria (IFM) that reside among the myofibers, while subsarcolemmal mitochondria (SSM), located beneath the plasma membrane, remain unaltered. Aging decreases complex III activity selectively in IFM
E J, Lesnefsky +6 more
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The aging heart sustains greater injury during ischemia and reperfusion compared to adult hearts. Aging decreases oxidative function in interfibrillar mitochondria (IFM) that reside among the myofibers, while subsarcolemmal mitochondria (SSM), located beneath the plasma membrane, remain unaltered. Aging decreases complex III activity selectively in IFM
E J, Lesnefsky +6 more
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The FASEB Journal, 2004
ABSTRACT During development of the heart, mitochondria proliferate within cardiomyocytes. It is unclear whether this is a response to the increasing energy demand or whether it is part of the developmental program.
Dimitry, Spitkovsky +6 more
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ABSTRACT During development of the heart, mitochondria proliferate within cardiomyocytes. It is unclear whether this is a response to the increasing energy demand or whether it is part of the developmental program.
Dimitry, Spitkovsky +6 more
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Biochemical and Biophysical Research Communications, 2013
Environmental toxins like pesticides have been implicated in the pathogenesis of Parkinson's disease (PD). Epidemiological studies suggested that exposures to organochlorine pesticides have an association with an increased PD risk. In the present study, we examined the mechanism of toxicity induced by an organochlorine pesticide heptachlor.
Seokheon, Hong +4 more
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Environmental toxins like pesticides have been implicated in the pathogenesis of Parkinson's disease (PD). Epidemiological studies suggested that exposures to organochlorine pesticides have an association with an increased PD risk. In the present study, we examined the mechanism of toxicity induced by an organochlorine pesticide heptachlor.
Seokheon, Hong +4 more
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Biochimica et Biophysica Acta (BBA) - Bioenergetics, 1969
Abstract 1. Extraction by ether removes only about one-half of antimycin added to sub-mitochondrial particles, independently of the amount of antimycin added up to that necessary for 100% inhibition. 2. The amount of antimycin extractable with ether remains the same even when the antimycin is redistributed between an antimycin-inhibited preparation ...
J. Brya̵, Z. Kaniuga, E.C. Slater
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Abstract 1. Extraction by ether removes only about one-half of antimycin added to sub-mitochondrial particles, independently of the amount of antimycin added up to that necessary for 100% inhibition. 2. The amount of antimycin extractable with ether remains the same even when the antimycin is redistributed between an antimycin-inhibited preparation ...
J. Brya̵, Z. Kaniuga, E.C. Slater
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Anesthesia & Analgesia, 2004
Reactive oxygen species (ROS) mediate volatile anesthetic preconditioning. We tested the hypothesis that isoflurane (ISO) generates ROS from electron transport chain complexes I and III. Rabbits (n = 55) underwent 30 min coronary artery occlusion followed by 3 h reperfusion and received 0.9% saline, the complex I inhibitor diphenyleneiodonium (DPI; 1.5
Lynda M, Ludwig +6 more
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Reactive oxygen species (ROS) mediate volatile anesthetic preconditioning. We tested the hypothesis that isoflurane (ISO) generates ROS from electron transport chain complexes I and III. Rabbits (n = 55) underwent 30 min coronary artery occlusion followed by 3 h reperfusion and received 0.9% saline, the complex I inhibitor diphenyleneiodonium (DPI; 1.5
Lynda M, Ludwig +6 more
openaire +2 more sources