Results 101 to 110 of about 41,955 (229)

Thiol-Based Regulation of Redox-Active Glutamate-Cysteine Ligase from Arabidopsis thaliana [PDF]

open access: yesThe Plant Cell, 2007
Glutathione biosynthesis is a key component in the network of plant stress responses that counteract oxidative damage and maintain intracellular redox environment. Using a combination of mass spectrometry and site-directed mutagenesis, we examined the response of Arabidopsis thaliana glutamate-cysteine ligase (GCL) to changes in redox environment. Mass
Leslie M, Hicks   +5 more
openaire   +2 more sources

Metabolic abnormalities and reprogramming in cats with naturally occurring hypertrophic cardiomyopathy

open access: yesESC Heart Failure, Volume 12, Issue 2, Page 1256-1270, April 2025.
Abstract Background and aims The heart is a metabolic organ rich in mitochondria. The failing heart reprograms to utilize different energy substrates, which increase its oxygen consumption. These adaptive changes contribute to increased oxidative stress.
Qinghong Li   +12 more
wiley   +1 more source

The Protective Effect of Hispidin against Hydrogen Peroxide-Induced Oxidative Stress in ARPE-19 Cells via Nrf2 Signaling Pathway

open access: yesBiomolecules, 2019
Hispidin, a polyphenol compound isolated from Phellinus linteus, has been reported to possess antioxidant activities. In this study, we aimed to investigate the mechanisms underlying the protective effect of hispidin against hydrogen peroxide (H2O2 ...
Sung-Ying Huang   +3 more
doaj   +1 more source

Pharmacological effects of gastrodin: Insight into neurological diseases and mechanism in ferroptosis and pyroptosis

open access: yesIbrain, Volume 11, Issue 1, Page 74-83, Spring 2025.
Pharmacological effects of gastrodin include prevention and treatment of cognitive decline and reperfusion injuries, anticonvulsion, antiepilepsy, antidepressants, and analgesia, which are related to antiferroptosis and antipyroptosis. Abstract Gastrodin, as an effective monomer of gastrodia elata, plays a significant role in anti‐inflammatory ...
Xue Zheng, Jing Li, Zhao‐Qiong Zhu
wiley   +1 more source

N-Acetyl-Cysteine supplementation lowers high homocysteine plasma levels and increases Glutathione synthesis in the trans-sulfuration pathway

open access: yesItalian Journal of Medicine, 2019
Glutathione (GSH), a compound derived of a combination of three amino acids – cysteine, glycine and glutamine – is the final product of homocysteine (Hcy) metabolism  in the transsulfuration pathway.
Federico Cacciapuoti
doaj   +1 more source

Substrate Characterization of Mycobacterial Kinase PknG Revealing PknG‐KARS‐MAPK Phosphorylation Signaling Axis in Host

open access: yesiMetaMed, EarlyView.
This study employed multi‐omics approaches to investigate the regulatory mechanism of Mycobacterium PknG on host cell processes. We found that host lysine‐tRNA ligase (KARS) is a potential substrate of PknG; and PknG can regulate the immune response by catalyzing the phosphorylation of KARS at T592 and T595 sites, affecting the phosphorylation level in
Nana Tian   +13 more
wiley   +1 more source

Cytosolic Fe-S cluster protein maturation and iron regulation are independent of the mitochondrial Erv1/Mia40 import system [PDF]

open access: yes, 2015
The sulfhydryl oxidase Erv1 partners with the oxidoreductase Mia40 to import cysteine-rich proteins in the mitochondrial intermembrane space. In Saccharomyces cerevisiae, Erv1 has also been implicated in cytosolic Fe-S protein maturation and iron ...
Adrienne C. Dlouhy   +65 more
core   +2 more sources

The Catalytic Subunit of Drosophila Glutamate-Cysteine Ligase Is a Nucleocytoplasmic Shuttling Protein [PDF]

open access: yesJournal of Biological Chemistry, 2009
GSH concentration is considerably lower in the nucleus than in the cytoplasm; however, it is significantly elevated during active cell proliferation. The main purpose of this study was to understand the mechanism underlying these variations in nuclear/cytoplasmic distribution of GSH.
Svetlana N, Radyuk   +6 more
openaire   +2 more sources

SUMOylation regulates tumorigenesis and progression: Molecular mechanisms and therapeutic applications

open access: yesInterdisciplinary Medicine, EarlyView.
SUMOylation, a dynamic post‐translational modification, acts as a master regulator at the heart of tumor malignancy. Our work delineates how the SUMOylation cycle—mediated by E1/E2/E3 enzymes and reversed by SENPs—orchestrates multiple hallmarks of cancer. The central pathway converges on three critical pathological axes: 1.
Yimao Wu   +6 more
wiley   +1 more source

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