Results 91 to 100 of about 89,320 (324)

Measurement and Characterization of Superoxide Generation from Xanthine Dehydrogenase: A Redox-Regulated Pathway of Radical Generation in Ischemic Tissues

open access: yesBiochemistry, 2014
The enzyme xanthine oxidoreductase (XOR) is an important source of oxygen free radicals and related postischemic injury. Xanthine dehydrogenase (XDH), the major form of XOR in tissues, can be converted to xanthine oxidase (XO) by oxidation of sulfhydryl ...
Masaichi-chang-il Lee   +4 more
semanticscholar   +1 more source

Ethnomedicinal Uses, Phytochemistry, Pharmacological Activities, and Toxicology of the Subfamily Gomphrenoideae (Amaranthaceae): A Comprehensive Review

open access: yesChemistry &Biodiversity, EarlyView.
ABSTRACT The subfamily Gomphrenoideae is composed of about 480 accepted species, many of which have been historically used as medicinal plants, reason why they have been studied in terms of chemical profile, biological activity, and safety. This review consolidates the advances in research on this subfamily over the past 47 years, emphasizing its ...
Dayanna Isabel Araque Gelves   +3 more
wiley   +1 more source

Determination of serum adenosine deaminase and xanthine oxidase levels in patients with crimean-congo hemorrhagic fever

open access: yesClinics, 2010
OBJECTIVE: Crimean-Congo hemorrhagic fever is an acute viral hemorrhagic fever with a high mortality rate. Despite increasing knowledge about hemorrhagic fever viruses, little is known about the pathogenesis of Crimean-Congo hemorrhagic fever.
V. Kenan Celik   +5 more
doaj   +1 more source

Purine Chemistry in the Early RNA World at the Origins of Life: From RNA and Nucleobases Lesions to Current Key Metabolic Routes

open access: yesChemBioChem, EarlyView.
In the nascent processes of the beginnings and evolution of life, nucleobases and especially purines, ribonucleos(t)ides and primitive RNAs have been continuously modified. A RNA‐peptide world and key metabolic pathways probably have emerged from the corresponding chemical modifications resulting from adenine deamination, purine alkylation and ...
Jean‐Luc Décout   +1 more
wiley   +1 more source

Antihyperurisemic Activity of Aqueous Celery Infusion by Xanthine Oxidase Enzyme Inhibition

open access: yesMajalah Obat Tradisional, 2018
Hyperuricemia is a metabolic disorder because of excessive uric acid production. The high prevalence of hyperuresemia in the world, especially in Indonesia makes the research of antihyperurisemia drugs very needed today.
Atiqoh Zummah, Rahma Diyan Martha
doaj   +1 more source

First‐in‐Human Phase 1 Study to Evaluate the Clinical Pharmacology Properties of RBN‐3143, a Novel Inhibitor of Mono‐Adenosine Diphosphate Ribosyltransferase‐PARP14

open access: yesClinical Pharmacology in Drug Development, EarlyView.
Abstract RBN‐3143 is an inhibitor of PARP14 in development for inflammatory diseases. Multiple assessments were conducted to evaluate the clinical pharmacology properties of RBN‐3134. A randomized, double‐blind, placebo‐controlled study assigned healthy volunteers (HVs) to single ascending doses (SADs) (25‐1000 mg) or multiple ascending doses (MADs ...
Thomas M. Polasek   +9 more
wiley   +1 more source

Finerenone, chronic obstructive pulmonary disease, and heart failure with mildly reduced or preserved ejection fraction: A prespecified analysis of the FINEARTS‐HF trial

open access: yesEuropean Journal of Heart Failure, EarlyView.
The beneficial effects of finerenone in patients with heart failure (HF) and mildly reduced or preserved ejection fraction were consistent, regardless of a history of chronic obstructive pulmonary disease (COPD) status. BMI, body mass index; LVEF, left ventricular ejection fraction; NT‐proBNP, N‐terminal pro‐B‐type natriuretic peptide.
Jawad H. Butt   +16 more
wiley   +1 more source

Hydrogen peroxide generated by xanthine/xanthine oxidase system represses the proliferation of colorectal cancer cell line Caco-2

open access: yesJournal of clinical biochemistry and nutrition, 2014
The twin character of reactive oxygen species is substantiated by a growing body of evidence that reactive oxygen species within cells act as inducers and accelerators of the oncogenic phenotype of cancer cells, while reactive oxygen species can also ...
S. Sakuma   +3 more
semanticscholar   +1 more source

Interpretation of in vitro concentration‐response data for risk assessment and regulatory decision‐making: Report from the 2022 IWGT quantitative analysis expert working group meeting

open access: yesEnvironmental and Molecular Mutagenesis, EarlyView.
Abstract Quantitative risk assessments of chemicals are routinely performed using in vivo data from rodents; however, there is growing recognition that non‐animal approaches can be human‐relevant alternatives. There is an urgent need to build confidence in non‐animal alternatives given the international support to reduce the use of animals in toxicity ...
Marc A. Beal   +14 more
wiley   +1 more source

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