Results 21 to 30 of about 419,027 (307)

A Biophysical Model of the Mitochondrial Respiratory System and Oxidative Phosphorylation. [PDF]

open access: yesPLoS Computational Biology, 2005
A computational model for the mitochondrial respiratory chain that appropriately balances mass, charge, and free energy transduction is introduced and analyzed based on a previously published set of data measured on isolated cardiac mitochondria.
Daniel A Beard
doaj   +2 more sources

Is impaired energy production a novel insight into the pathogenesis of pyridoxine-dependent epilepsy due to biallelic variants in ALDH7A1?

open access: yesPLoS ONE, 2021
BackgroundPyridoxine-dependent epilepsy (PDE) is due to biallelic variants in ALDH7A1 (PDE-ALDH7A1). ALDH7A1 encodes α-aminoadipic semialdehyde dehydrogenase in lysine catabolism.
Anastasia Minenkova   +7 more
doaj   +1 more source

Physiological concentrations of cyanide stimulate mitochondrial Complex IV and enhance cellular bioenergetics

open access: yesProceedings of the National Academy of Sciences of the United States of America, 2021
In mammalian cells, cyanide is viewed as a cytotoxic agent, which exerts its effects through inhibition of mitochondrial Complex IV (Cytochrome C oxidase [CCOx]).
Elisa B. Randi   +4 more
semanticscholar   +1 more source

Hypoxia response protein HRM1 modulates the activity of mitochondrial electron transport chain in Arabidopsis under hypoxic stress.

open access: yesNew Phytologist, 2023
We studied Arabidopsis HYPOXIA-RESPONSIVE MODULATOR 1 (HRM1), which belongs to a group of core hypoxia-responsive genes that are conserved among plant species across great evolutionary distance.
K.-J. Tsai, D. Suen, M. Shih
semanticscholar   +1 more source

The role of the electron transport chain in immunity

open access: yesThe FASEB Journal, 2021
The electron transport chain (ETC) couples oxidative phosphorylation (OXPHOS) with ATP synthase to drive the generation of ATP. In immune cells, research surrounding the ETC has drifted away from bioenergetics since the discovery of cytochrome c (Cyt c ...
Maureen Yin, L. O’Neill
semanticscholar   +1 more source

Male and Female Mitochondria Respond Differently after Exercising in Acute Hypoxia

open access: yesBiomedicines, 2023
The use of hypoxic devices among athletes who train in normobaric hypoxia has become increasingly popular; however, the acute effects on heart and brain metabolism are not yet fully understood.
Ylenia Lai   +8 more
doaj   +1 more source

Mitochondrial morphology is associated with respiratory chain uncoupling in autism spectrum disorder

open access: yesTranslational Psychiatry, 2021
Autism spectrum disorder (ASD) is a neurodevelopmental disorder that is associated with unique changes in mitochondrial metabolism, including elevated respiration rates and morphological alterations.
Richard E. Frye   +13 more
doaj   +1 more source

Regulation and functional role of the electron transport chain supercomplexes

open access: yesBiochemical Society Transactions, 2021
Mitochondria are one of the most exhaustively investigated organelles in the cell and most attention has been paid to the components of the mitochondrial electron transport chain (ETC) in the last 100 years.
S. Cogliati   +2 more
semanticscholar   +1 more source

A Structural Model of the Cytochrome c Reductase/Oxidase Supercomplex from Yeast Mitochondria [PDF]

open access: yes, 2007
Mitochondrial respiratory chain complexes are arranged in supercomplexes within the inner membrane. Interaction of cytochrome c reductase (complex III) and cytochrome c oxidase (complex IV) was investigated in Saccharomyces cerevisiae. Projection maps at
Allen   +43 more
core   +4 more sources

Endurance exercise training in pulmonary hypertension increases skeletal muscle electron transport chain supercomplex assembly

open access: yesPulmonary Circulation, 2020
Pulmonary hypertension is associated with pronounced exercise intolerance (decreased V ċ O 2 max) that can significantly impact quality of life. The cause of exercise intolerance in pulmonary hypertension remains unclear. Mitochondrial supercomplexes are
Danielle J. McCullough   +5 more
doaj   +1 more source

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