Results 271 to 280 of about 90,734 (327)

The role of oxidative stress in spinal cord ischemia reperfusion injury: mechanisms and therapeutic implications. [PDF]

Front Cell Neurosci
Xing Y, Xiao YZ, Zhao M, Zhou JJ, Zhao K, Xiao CL.   +5 more
europepmc   +1 more source

Evolutionary adaptations of cyanobacterial polyhydroxybutyrate (PHB) biosynthesis and metabolic pathways in Spirulina, Arthrospira, and Limnospira spp. [PDF]

Sci Rep
Thajuddin F, Rasheed AS, Palanivel P, Thajuddin SF, Nooruddin T, Dharumadurai D.   +5 more
europepmc   +1 more source

Distinct cervical microbiome and metabolite profiles before and after menopause: implications for cervical cancer progression. [PDF]

Front Cell Infect Microbiol
Kawasaki R, Kukimoto I, Nishio E, Otani S, Nishizawa H, Maeda Y, Iwata A, Fujii T.   +7 more
europepmc   +1 more source

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New insights into purine metabolism in metabolic diseases: role of xanthine oxidoreductase activity.

American Journal of Physiology. Endocrinology and Metabolism, 2020
Xanthine oxidoreductase (XOR) consists of two different forms, xanthine dehydrogenase (XDH) and xanthine oxidase (XO), and is a rate-limiting enzyme of uric acid production from hypoxanthine and xanthine. Uric acid is the end-product of purine metabolism
M. Furuhashi
semanticscholar   +1 more source

A Dual-Emission Reverse Change Ratio Photoluminescence Sensor Based on Probe of N-doped Ti3C2 Quantum Dots@DAP to Detect H2O2 and Xanthine.

Analytical Chemistry, 2020
Titanium carbide quantum dots (Ti3C2 QDs) derived from 2D Ti3C2Tx (MXene) are the rising-star material recently. Herein, a nitrogen-doped Ti3C2 QDs (N-Ti3C2 QDs) were synthesized via a solvothermal method.
Q. Lu, Jing Wang, Bingzhi Li, Chenyuan Weng, Xiaoyun Li, Wei Yang, Xiaoqian Yan, Junli Hong, Wanying Zhu, Xuemin Zhou   +9 more
semanticscholar   +1 more source

Natural compounds with xanthine oxidase inhibitory activity: A review

Chemical Biology and Drug Design, 2019
Hyperuricemia (HUA), a disease due to an elevation of body uric acid level and responsible for various diseases such as gout, cardiovascular disorders, and renal failure, is a major ground debate for the medical science these days.
A. Mehmood, M. Ishaq, Lei Zhao, Bushra Safdar, A. Rehman, Masooma Munir, A. Raza, M. Nadeem, W. Iqbal, Chengtao Wang   +9 more
semanticscholar   +1 more source

Aromaticity of caffeine, xanthine and the dimethyl xanthines

Tetrahedron Letters, 2014
Xanthine, caffeine and three isomeric dimethyl xanthines (theobromine, theophylline and paraxanthine) are often described as aromatic on various criteria. Here we complete the picture by assessing these molecules for aromaticity on the ring-current criterion.
Patrick W. Fowler, Christopher M. Gibson
openaire   +2 more sources

The reactions of chloroperoxidase in the presence of xanthine/xanthine oxidase

Biochemical and Biophysical Research Communications, 1989
Spectral data are presented which indicate that chloroperoxidase is converted to compound II during the reaction with superoxide/hydrogen peroxide generated in the xanthine/xanthine oxidase system. Upon completion of compound II formation, compound II returns back to the native state of chloroperoxidase without formation of detectable intermediates. It
H. Brian Dunford, Diana Metodiewa, Michael A. Pickard   +2 more
openaire   +3 more sources