An update on mitochondrial reactive oxygen species production

RJ Mailloux - Antioxidants, 2020 - mdpi.com
Mitochondria are quantifiably the most important sources of superoxide (O2●−) and
hydrogen peroxide (H2O2) in mammalian cells. The overproduction of these molecules has …

[HTML][HTML] Antioxidant supplements and endurance exercise: Current evidence and mechanistic insights

SA Mason, AJ Trewin, L Parker, GD Wadley - Redox biology, 2020 - Elsevier
Antioxidant supplements are commonly consumed by endurance athletes to minimize
exercise-induced oxidative stress, with the intention of enhancing recovery and improving …

Mitochondrial electron transport chain is necessary for NLRP3 inflammasome activation

LK Billingham, JS Stoolman, K Vasan… - Nature …, 2022 - nature.com
The NLRP3 inflammasome is linked to sterile and pathogen-dependent inflammation, and
its dysregulation underlies many chronic diseases. Mitochondria have been implicated as …

Mitochondrial cristae morphology reflecting metabolism, superoxide formation, redox homeostasis, and pathology

P Ježek, M Jabůrek, B Holendová… - Antioxidants & Redox …, 2023 - liebertpub.com
Significance: Mitochondrial (mt) reticulum network in the cell possesses amazing
ultramorphology of parallel lamellar cristae, formed by the invaginated inner mitochondrial …

[HTML][HTML] Mitochondrial complex I ROS production and redox signaling in hypoxia

CN Okoye, SA Koren, AP Wojtovich - Redox biology, 2023 - Elsevier
Mitochondria are a main source of cellular energy. Oxidative phosphorylation (OXPHOS) is
the major process of aerobic respiration. Enzyme complexes of the electron transport chain …

Are mitochondria the main contributor of reactive oxygen species in cells?

Y Zhang, HS Wong - Journal of Experimental Biology, 2021 - journals.biologists.com
Physiologists often assume that mitochondria are the main producers of reactive oxygen
species (ROS) in cells. Consequently, in biomedicine, mitochondria are considered as …

Riding the tiger–physiological and pathological effects of superoxide and hydrogen peroxide generated in the mitochondrial matrix

MD Brand - Critical reviews in biochemistry and molecular biology, 2020 - Taylor & Francis
Elevated mitochondrial matrix superoxide and/or hydrogen peroxide concentrations drive a
wide range of physiological responses and pathologies. Concentrations of superoxide and …

The mitochondrial permeability transition: nexus of aging, disease and longevity

H Rottenberg, JB Hoek - Cells, 2021 - mdpi.com
The activity of the mitochondrial permeability transition pore, mPTP, a highly regulated multi-
component mega-channel, is enhanced in aging and in aging-driven degenerative …

[HTML][HTML] Transfer of H2O2 from Mitochondria to the endoplasmic reticulum via Aquaporin-11

I Sorrentino, M Galli, I Medraño-Fernandez, R Sitia - Redox biology, 2022 - Elsevier
Some aquaporins (AQPs) can transport H 2 O 2 across membranes, allowing redox signals
to proceed in and between cells. Unlike other peroxiporins, human AQP11 is an …

[HTML][HTML] The mitochondria-targeted antioxidant MitoQ, attenuates exercise-induced mitochondrial DNA damage

J Williamson, CM Hughes, JN Cobley, GW Davison - Redox biology, 2020 - Elsevier
High-intensity exercise damages mitochondrial DNA (mtDNA) in skeletal muscle. Whether
MitoQ-a redox active mitochondrial targeted quinone-can reduce exercise-induced mtDNA …