Results 21 to 30 of about 147,306 (350)

The synthesis, characterization and biological evaluation of a new nitric oxide donor agent [PDF]

open access: yesJournal of the Serbian Chemical Society, 2014
The synthesis of a new xanthine nitric oxide donor (TSP-81) has been discussed. The designed compound includes two structural moieties - theophylline (1,3-dimethylxanthine) and acetaminophen (4-hydroxyacetanilide) linked by the nitric oxide ...
Profire Lenuta   +6 more
doaj   +1 more source

Inhibition of Subsets of G Protein-coupled Receptors by Empty Mutants of G Protein α Subunits in Go, G11, and G16 [PDF]

open access: yes, 2000
We previously reported that the xanthine nucleotide binding Goα mutant, GoαX, inhibited the activation of Gi-coupled receptors. We constructed similar mutations in G11α and G16α and characterized their nucleotide binding and receptor interaction.
Gu, Lingjie, Simon, Melvin I., Yu, Bo
core   +1 more source

The Synthesis and the Biological Evaluation of New Thiazolidin-4-one Derivatives Containing a Xanthine Moiety

open access: yesMolecules, 2013
Starting from theophylline (1,3-dimethylxanthine) new thiazolidin-4-one derivatives 7a1–7, 7b1–7 have been synthesized as potential antidiabetic drugs.
Lenuta Profire   +4 more
doaj   +1 more source

The role of urate and xanthine oxidase in vascular oxidative stress:Future directions [PDF]

open access: yes, 2009
Vascular oxidative stress has been shown to be a potent factor in the pathophysiology of endothelial dysfunction. Despite current optimal evidence-based therapy, mortality from various cardiovascular disorders remains high.
George, Jacob, Struthers, Allan
core   +5 more sources

Gout [PDF]

open access: yes, 2008
INTRODUCTION: Gout affects about 5% of men and 1% of women, with up to 80% of people experiencing a recurrent attack within 3 years. METHODS AND OUTCOMES:We conducted a systematic review and aimed to answer the following clinical questions: What are the
Underwood, Martin
core   +3 more sources

Biochemistry Changes That Occur after Death: Potential Markers for Determining Post-Mortem Interval [PDF]

open access: yes, 2013
Death is likely to result in very extensive biochemical changes in all body tissues due to lack of circulating oxygen, altered enzymatic reactions, cellular degradation, and cessation of anabolic production of metabolites.
Donaldson, Andrea
core   +1 more source

The Effect of Two Weeks of High-intensity Interval Training on Salvage nucleotide pathway [PDF]

open access: yesفیزیولوژی ورزش و فعالیت بدنی, 2022
Purpose: The effects of exercise adaptation on improving the purine nucleotides components are inevitable, and physical activity improves the purine nucleotide salvage pathway.
Abbas Ghanbari Niaki   +1 more
doaj   +1 more source

Amperometric enzyme sensor to check the total antioxidant capacity of several mixed berries. comparison with two other spectrophotometric and fluorimetric methods [PDF]

open access: yes, 2015
The aim of this research was to test the correctness of response of a superoxide dismutase amperometric biosensor used for the purpose of measuring and ranking the total antioxidant capacity of several systematically analysed mixed berries.
CAMPANELLA, Luigi   +4 more
core   +2 more sources

Crucial involvement of xanthine oxidase in the intracellular signalling networks associated with human myeloid cell function [PDF]

open access: yes, 2014
Xanthine oxidase (XOD) is an enzyme which plays a central role in purine catabolism by converting hypoxanthine into xanthine and then further into uric acid.
Abooali, Maryam   +5 more
core   +1 more source

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