Results 31 to 40 of about 147,306 (350)
Ischemic preconditioning attenuates portal venous plasma concentrations of purines following warm liver ischemia in man [PDF]
, 2005 Background/Aims: Degradation of adenine nucleotides to adenosine has been suggested to play a critical role in ischemic preconditioning (IPC). Thus, we questioned in patients undergoing partial hepatectomy whether (i) IPC will increase plasma purine ...
Chouker, A. +9 more
core +1 more source
Molecules, 2023 A novel electrochemical sensor was developed for selective and sensitive determination of xanthine (XT) and hypoxanthine (HX) based on polyglycine (p-Gly) and reduced graphene oxide (rGO) modified glassy carbon electrode (GCE). A mixed dispersion of 7 μL
Ting Wang +5 more
doaj +1 more source
Role of urate, xanthine oxidase and the effects of allopurinol in vascular oxidative stress [PDF]
, 2009 Oxidative stress plays an important role in the progression of vascular endothelial dysfunction. The two major systems generating vascular oxidative stress are the NADPH oxidase and the xanthine oxidase pathways. Allopurinol, a xanthine oxidase inhibitor,
George, Jacob, Struthers, Allan D.
core +4 more sources
Associations between purine metabolites and clinical symptoms in schizophrenia [PDF]
, 2012 Background: The antioxidant defense system, which is known to be dysregulated in schizophrenia, is closely linked to the dynamics of purine pathway. Thus, alterations in the homeostatic balance in the purine pathway may be involved in the pathophysiology
Debra M. Montrose +9 more
core +3 more sources
Hyperuricemia-Related Diseases and Xanthine Oxidoreductase (XOR) Inhibitors: An Overview
Medical Science Monitor, 2016 Uric acid is the final oxidation product of purine metabolism in humans. Xanthine oxidoreductase (XOR) catalyzes oxidative hydroxylation of hypoxanthine to xanthine to uric acid, accompanying the production of reactive oxygen species (ROS).
Changyi J. Chen, Jianming Lü, Q. Yao
semanticscholar +1 more source
Frontiers in Chemistry, 2019 Substituted xanthine derivatives are important bioactive molecules. Herein we report on a new, practical synthesis of 6-amino-5-carboxamidouracils, the main building blocks for the preparation of 8-substituted xanthines, by condensation of 5,6 ...
Daniel Marx +4 more
doaj +1 more source
Search of protein kinase CK2 inhibitors based on purine-2,6-diones derivatives [PDF]
The Ukrainian Biochemical Journal, 2017 This work is aimed to the search of protein kinase CK2 inhibitors among the purine-2,6-dione derivatives by molecular docking and biochemical tests. It was found that the most active compound 8-[2-[(3-methoxyphenyl)methylidene]hydrazine-1-yl]-3-methyl-7-(
M. V. Protopopov +6 more
doaj +1 more source
Biomedicines, 2023 Propentofylline (PROP) is a methylated xanthine compound that diminishes the activation of microglial cells and astrocytes, which are neuronal cells strongly associated with many neurodegenerative diseases.
Deborah E. M. Baliellas +7 more
doaj +1 more source
Interaction of the Xanthine Nucleotide Binding Goα Mutant with G Protein-coupled Receptors [PDF]
, 1998 We constructed a double mutant version of the α subunit of Go that was regulated by xanthine nucleotides instead of guanine nucleotides (GoαX). We investigated the interaction between GoαX and G protein-coupled receptors in vitro.
Simon, Melvin I., Yu, Bo
core +1 more source
Pharmaceuticals, 2021 The G protein-coupled adenosine A2B receptor is suggested to be involved in various pathological processes accompanied by increased levels of adenosine as found in inflammation, hypoxia, and cancer.
Marcel Lindemann +9 more
doaj +1 more source