High phosphorylation efficiency and depression of uncoupled respiration in mitochondria under hypoxia

E Gnaiger, G Méndez, SC Hand - Proceedings of the …, 2000 - National Acad Sciences
Mitochondria are confronted with low oxygen levels in the microenvironment within tissues;
yet, isolated mitochondria are routinely studied under air-saturated conditions that are …

[HTML][HTML] Hibernation during hypoxia in cardiomyocytes: role of mitochondria as the O2 sensor

GRS Budinger, J Duranteau, NS Chandel… - Journal of Biological …, 1998 - ASBMB
During myocardial hibernation, decreases in coronary perfusion elicit inhibition of
contraction, suggesting that energy demand is attenuated. We previously found an inhibition …

Mitochondrial dysfunction in the pathogenesis of necrotic and apoptotic cell death

JJ Lemasters, T Qian, CA Bradham, DA Brenner… - Journal of bioenergetics …, 1999 - Springer
Mitochondria are frequently the target of injury after stresses leading to necrotic and
apoptoticcell death. Inhibition of oxidative phosphorylation progresses to uncoupling when …

[HTML][HTML] Mitochondrial complex III is required for hypoxia-induced ROS production and cellular oxygen sensing

RD Guzy, B Hoyos, E Robin, H Chen, L Liu… - Cell metabolism, 2005 - cell.com
Multicellular organisms initiate adaptive responses when oxygen (O 2) availability
decreases, but the underlying mechanism of O 2 sensing remains elusive. We find that …

Mitochondrial reactive oxygen species trigger hypoxia-induced transcription

NS Chandel, E Maltepe… - Proceedings of the …, 1998 - National Acad Sciences
Transcriptional activation of erythropoietin, glycolytic enzymes, and vascular endothelial
growth factor occurs during hypoxia or in response to cobalt chloride (CoCl2) in Hep3B …

[HTML][HTML] Sending out an SOS: mitochondria as a signaling hub

I Bohovych, O Khalimonchuk - Frontiers in Cell and Developmental …, 2016 - frontiersin.org
Normal cellular physiology is critically dependent on numerous mitochondrial activities
including energy conversion, cofactor and precursor metabolite synthesis, and regulation of …

Mitochondria as ATP consumers: cellular treason in anoxia

J St-Pierre, MD Brand… - Proceedings of the …, 2000 - National Acad Sciences
In anoxia, mitochondria change from being ATP producers to potentially powerful ATP
consumers. This change occurs, because the mitochondrial F1F0-ATPase begins to …

Biochemical dysfunction in heart mitochondria exposed to ischaemia and reperfusion

G Solaini, DA Harris - Biochemical Journal, 2005 - portlandpress.com
Heart tissue is remarkably sensitive to oxygen deprivation. Although heart cells, like those of
most tissues, rapidly adapt to anoxic conditions, relatively short periods of ischaemia and …

The oxygen sensing signal cascade under the influence of reactive oxygen species

H Acker - … Transactions of the Royal Society B: Biological …, 2005 - royalsocietypublishing.org
Structural and functional integrity of organ function profoundly depends on a regular oxygen
and glucose supply. Any disturbance of this supply becomes life threatening and may result …

[HTML][HTML] Mitochondria and reactive oxygen species: physiology and pathophysiology

S Bolisetty, EA Jaimes - International journal of molecular sciences, 2013 - mdpi.com
The air that we breathe contains nearly 21% oxygen, most of which is utilized by
mitochondria during respiration. While we cannot live without it, it was perceived as a bane …