Results 21 to 30 of about 530,248 (309)

Dimethyl Fumarate Alleviates Dextran Sulfate Sodium-Induced Colitis, through the Activation of Nrf2-Mediated Antioxidant and Anti-inflammatory Pathways. [PDF]

open access: yes, 2020
Oxidative stress and chronic inflammation play critical roles in the pathogenesis of ulcerative colitis (UC) and inflammatory bowel diseases (IBD). A previous study has demonstrated that dimethyl fumarate (DMF) protects mice from dextran sulfate sodium ...
Farzaneh, Ted   +8 more
core   +2 more sources

Cytochrome bd as Antioxidant Redox Enzyme

open access: yesMolecular Biology, 2023
Abstract One of the main functions of enzyme complexes that constitute electron transport (respiratory) chains of organisms is to maintain cellular redox homeostasis by oxidizing reducing equivalents, NADH and quinol. Cytochrome bd is a unique terminal oxidase of the chains of many bacteria including pathogenic species.
Borisov Vitaliy   +2 more
openaire   +2 more sources

Paradoxical roles of antioxidant enzymes:Basic mechanisms and health implications [PDF]

open access: yes, 2015
Reactive oxygen species (ROS) and reactive nitrogen species (RNS) are generated from aerobic metabolism, as a result of accidental electron leakage as well as regulated enzymatic processes.
Amit R. Reddi   +38 more
core   +1 more source

Formulation and characterization of an apigenin-phospholipid phytosome (APLC) for improved solubility, in vivo bioavailability, and antioxidant potential [PDF]

open access: yes, 2016
The apigenin-phospholipid phytosome (APLC) was developed to improve the aqueous solubility, dissolution, in vivo bioavailability, and antioxidant activity of apigenin.
Anand, Sridhar   +5 more
core   +2 more sources

Expression of antioxidant enzymes in lesions of multiple sclerosis and its models

open access: yesScientific Reports, 2022
Oxidative stress promotes tissue injury in the central nervous system in neurological disorders such as multiple sclerosis (MS). To protect against this, antioxidant enzymes including superoxide dismutase-1 (SOD1), heme oxygenase-1 (HO-1), peroxiredoxin ...
Dorsa Moezzi   +6 more
doaj   +1 more source

Antioxidant defense system: regulation of metabolic processes, genetic determinants, methods of determination

open access: yesСибирский научный медицинский журнал, 2022
An increase in peroxidation activity is considered as a nonspecific process characteristic of the pathogenesis of various diseases accompanied by antioxidant deficiency.
O. A. Nikitina   +3 more
doaj   +1 more source

Atherothrombosis and Oxidative Stress: Mechanisms and Management in Elderly [PDF]

open access: yes, 2017
Significance: The incidence of cardiovascular events (CVEs) increases with age, representing the main cause of death in an elderly population. Aging is associated with overproduction of reactive oxygen species (ROS), which may affect clotting and ...
Carnevale, Roberto   +4 more
core   +1 more source

Carotenoids and antioxidant enzymes as biomarkers of the impact of heavy metals in food chain [PDF]

open access: yes, 2016
Antioxidant enzymes (catalase and peroxidase) and carotenoids (lutein and â-carotene) are often used as biomarkers of metal contamination of water and agricultural soils.
Andrianos, Vangelis   +6 more
core   +3 more sources

Redox control of multidrug resistance and Its possible modulation by antioxidants [PDF]

open access: yes, 2016
Clinical efficacy of anticancer chemotherapies is dramatically hampered by multidrug resistance (MDR) dependent on inherited traits, acquired defence against toxins, and adaptive mechanisms mounting in tumours.
Cort, A.   +4 more
core   +7 more sources

Ethanol and supercritical fluid extracts of hemp seed (Cannabis sativa L.) increase gene expression of antioxidant enzymes in HepG2 cells

open access: yesAsian Pacific Journal of Reproduction, 2015
Objective: To determine the gene expression of antioxidant enzymes by hemp seed extracts in human hepatoma (HepG2) cells. Methods: Ethanol and supercritical fluid (SF) extracts obtained from de-hulled hemp seed were used for the evaluation of in vitro ...
Sunghyun Hong   +7 more
doaj   +1 more source

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