Category:Tissue normoxia and mitochondrial function

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Tissue normoxia and mitochondrial function

Work in progress

Summary

Tissue normoxia is variable between organisms and tissues, but intracellular oxygen pressure is frequently well below air-level pO2.

MitoPedia: Tissue normoxia and mitochondrial function

» Tissue normoxia and mitochondrial function

TermAbbreviationDescription
Intracellular oxygenpO2,iPhysiological, intracellular oxygen pressure is significantly lower than air saturation under normoxia, hence respiratory measurements carried out at air saturation are effectively hyperoxic for cultured cells and isolated mitochondria.


Publications: Tissue normoxia

 YearReferenceOrganismTissue;cellPreparationsStressDiseases
Stepanova 2020 Methods Cell Biol2020Stepanova Anna, Galkin Alexander (2020) Measurement of mitochondrial H2O2 production under varying O2 tensions. Methods Cell Biol 155:273-93.MouseNervous systemIsolated mitochondriaOxidative stress;RONS
Stepanova 2018 J Neurochem2018Stepanova A, Konrad C, Manfredi G, Springett R, Ten V, Galkin A (2018) The dependence of brain mitochondria reactive oxygen species production on oxygen level is linear, except when inhibited by antimycin A. J Neurochem 148:731-45.MouseNervous systemIsolated mitochondriaIschemia-reperfusion
Oxidative stress;RONS
Stepanova 2018 J Cereb Blood Flow Metab2018Stepanova A, Konrad C, Guerrero-Castillo S, Manfredi G, Vannucci S, Arnold S, Galkin A (2018) Deactivation of mitochondrial complex I after hypoxia-ischemia in the immature brain. J Cereb Blood Flow Metab 39:1790-802.RatNervous systemIsolated mitochondriaHypoxia
Ischemia-reperfusion
Stepanova 2017 J Cereb Blood Flow Metab2017Stepanova A, Kahl A, Konrad C, Ten V, Starkov AS, Galkin A (2017) Reverse electron transfer results in a loss of flavin from mitochondrial complex I: Potential mechanism for brain ischemia reperfusion injury. J Cereb Blood Flow Metab 37:3649-58.MouseNervous systemIsolated mitochondriaIschemia-reperfusion
Gnaiger 2001 Respir Physiol2001Gnaiger E (2001) Bioenergetics at low oxygen: dependence of respiration and phosphorylation on oxygen and adenosine diphosphate supply. Respir Physiol 128:277-97.Human
Rat
Heart
Liver
Endothelial;epithelial;mesothelial cell
HUVEC
Intact cells
Isolated mitochondria
Oxidative stress;RONS
Gnaiger 2000 Proc Natl Acad Sci U S A2000Gnaiger E, Méndez G, Hand SC (2000) High phosphorylation efficiency and depression of uncoupled respiration in mitochondria under hypoxia. Proc Natl Acad Sci U S A 97:11080-5.Rat
Artemia
Crustaceans
LiverIsolated mitochondria
Abstracts: Tissue normoxia
 YearReferenceOrganismTissue;cellPreparationsStressDiseases
Gnaiger 2018 AussieMit2018Komlodi Timea, Sobotka Ondrej, Doerrier Carolina, Gnaiger Erich (2018) Mitochondrial H2O2 production is low under tissue normoxia but high at in-vitro air-level oxygen pressure - comparison of LEAK and OXPHOS states. AussieMit 2018 Melbourne AU.Mouse
Saccharomyces cerevisiae
Heart
Nervous system
Isolated mitochondria
Intact cells
Oxidative stress;RONS
Hypoxia
Sobotka 2018 MiP20182018
Ondrej Sobotka
Measurement of ROS production under hypoxia and unexpected methodological pitfalls of Amplex UltraRed assay.
Mouse
Saccharomyces cerevisiae
Heart
Nervous system
Isolated mitochondriaHypoxia
Komlodi 2017 MiP20172017
Timea Komlodi
H2O2 production under hypoxia in brain and heart mitochondria: does O2 concentration matter?
MouseHeart
Nervous system
Isolated mitochondriaOxidative stress;RONS
Hypoxia


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