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Takafumi Hasegawa et al.
Journal of neurochemistry, 87(2), 470-475 (2003-09-27)
Oxidized metabolites of dopamine, known as dopamine quinone derivatives, are thought to play a pivotal role in the degeneration of dopaminergic neurons. Although such quinone derivatives are usually produced via the autoxidation of catecholamines, tyrosinase, which is a key enzyme
Margaret Gaskell et al.
Carcinogenesis, 26(3), 673-680 (2004-12-25)
The human population is continually exposed to benzene due to its presence in complex environmental mixtures and exposure has been linked to a range of haematotoxic effects, including an increased risk of leukaemia. Several hypotheses have been postulated on how
Yadong Zhang et al.
Journal of colloid and interface science, 587, 467-478 (2021-01-02)
Titania (TiO2) supported iron oxides (Fe-TiO2) are ideal catalysts to be applied in heterogeneous photo-Fenton oxidation (HPFO) for wastewater treatment because of the capabilities of TiO2 in photocatalysis and iron oxides in interfacial H2O2 activation. It is important to understand
Lin Tang et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 99, 390-393 (2012-10-02)
We have developed an optical assay for NADH (Dihydronicotinamide adenine dinucleotide) based on the catalytic growth of gold-silver core-shell nanoparticles (Au-Ag-CSNPs). The nanoparticles were immobilized on pretreated glass slide and are shown to catalyze the NADH-mediated reduction of Ag(I) ions
Kyung Hwa Won et al.
Antonie van Leeuwenhoek, 107(2), 565-573 (2014-12-19)
An ivory white, rod-shaped, non-motile, non-spore forming, Gram-staining-negative, and aerobic bacterium designated THG-G118T, was isolated from a soil sample collected in a bamboo plantation in Seoul, Republic of Korea. The 16S rRNA gene sequence analysis revealed a clear affiliation of
Ahmad Arabi Shamsabadi et al.
ChemSusChem, 11(2), 472-482 (2017-11-07)
In addition to possessing excellent chemical, mechanical, and thermal stability, polyimides and polyetherimides have excellent solubility in many solvents, which renders them suitable for membrane preparation. Two new monomers [a pentiptycene-based dianhydride (PPDAn) and a pentiptycene imide-containing diamine (PPImDA)] and
Alexei Terman et al.
Experimental cell research, 274(1), 9-15 (2002-02-22)
To better understand the role of lysosomes in apoptosis, we compared the responses to apoptotic stimuli of normal fibroblasts with those of inclusion cells (I-cells), i.e., fibroblasts with impaired function of lysosomal enzymes due to their missorting and ensuing nonlysosomal
Ayşegül Güvenç et al.
Journal of ethnopharmacology, 144(3), 726-734 (2012-10-31)
Pseudevernia furfuracea (L.) Zopf (Parmeliaceae) is a common epiphytic lichen in the conifer-hardwood forest of Anatolia. This species is used in traditional medicine in Turkey as a treatment for wounds, eczema and hemorrhoids. The present study was designed to investigate
Marie Stiborová et al.
Archives of toxicology, 89(11), 2141-2158 (2014-09-12)
Exposure to the plant nephrotoxin and carcinogen aristolochic acid (AA) leads to the development of AA nephropathy, Balkan endemic nephropathy (BEN) and upper urothelial carcinoma (UUC) in humans. Beside AA, exposure to ochratoxin A (OTA) was linked to BEN. Although
Samuel Park et al.
The Journal of biological chemistry, 278(31), 28736-28742 (2003-05-29)
Peroxynitrite and nitrogen dioxide (NO2) are reactive nitrogen species that have been implicated as causal factors in neurodegenerative conditions. Peroxynitrite-induced nitration of tyrosine residues in tyrosine hydroxylase (TH) may even be one of the earliest biochemical events associated with 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine-induced
Yen-Ta Chen et al.
Journal of pineal research, 57(3), 248-261 (2014-08-19)
This study tests the hypothesis that combined melatonin and adipose-derived mesenchymal stem cell (ADMSC, 1.2 × 10(6) given intravenously) treatment offer superior protection against cyclophosphamide (CYP 150 mg/kg)-induced acute interstitial cystitis (AIC) in rats. Male adult Sprague-Dawley rats were treated
Dongwei Jia et al.
PloS one, 10(3), e0121939-e0121939 (2015-03-31)
Liver fibrosis represents the consequences of a sustained wound healing response to chronic liver injuries, and its progression toward cirrhosis is the major cause of liver-related morbidity and mortality worldwide. However, anti-fibrotic treatment remains an unconquered area for drug development.
T Toyota et al.
Nihon rinsho. Japanese journal of clinical medicine, 58(2), 376-382 (2000-03-09)
Troglitazone, a PPAR-gamma agonist, is a new drug for type 2 diabetes. The drug decreases blood glucose via enhancing insulin action. Recently Sankyo pharmaceutical company is warning severe hepatotoxicity by troglitazone. It recommends to examine liver function every month in
Ai Ing Lim et al.
Inflammation research : official journal of the European Histamine Research Society ... [et al.], 63(10), 831-839 (2014-07-27)
Kidney injury molecule-1 (KIM-1) serves as a useful marker for monitoring tubular injury, and sustained KIM-1 expression may be implicated in chronic kidney fibrosis. In this study, we examine the kinetics and mechanisms of KIM-1 release in human proximal tubular
On the photoelectron spectrum of p-benzoquinone.
Stanton JF, et al.
J. Chem. Phys. , 115(1), 1-4 (2001)
D Siegel et al.
Toxicology letters, 125(1-3), 93-98 (2001-11-10)
NAD(P)H:quinone oxidoreductase 1 (NQO1) participates in the detoxification of many environmental quinones and related compounds. Recent studies have suggested that individuals with a polymorphism in NQO1 (NQO1*2), which results in a decrease (heterozygous, NQO1*1/*2) or a total loss (homozygous, NQO1*2/*2)
Ting Ye et al.
PloS one, 10(3), e0119543-e0119543 (2015-03-19)
Crescentic glomerulonephritis (GN) is the most severe form of GN and is associated with significant morbidity and mortality despite aggressive immunotherapy with steroids, cytotoxic drugs, and plasmapheresis. We examined the therapeutic efficacy of the green tea polyphenol (-)-epigallocatechin-3-gallate (EGCG, 50
R I Bello et al.
The Journal of biological chemistry, 276(48), 44379-44384 (2001-09-22)
The aim of this work was to study the role of H(2)O(2) in the regulation of NAD(P)H:quinone oxidoreductase 1 (NQO1, DT-diaphorase, EC ) with relation to cell density of HeLa cells cultures and the function played by NQO1 in these
Sofia Babanova et al.
Journal of the American Chemical Society, 137(24), 7754-7762 (2015-06-06)
In this study, the influence of two quinones (1,2- and 1,4-benzoquinone) on the operation and mechanism of electron transfer in PQQ-dependent glucose dehydrogenase (PQQ-sGDH) anodes has been determined. Benzoquinones were experimentally explored as mediators present in the electrolyte. The electrochemical
Lili Lu et al.
Chemosphere, 222, 391-398 (2019-02-04)
A series of TiO2/biochar composite catalysts were prepared by the hydrolysis method for the degradation of methyl orange, where biochar was obtained from the pyrolysis of waste walnut shells. The catalysts were examined by scanning electron microscope (SEM), energy dispersive
Wen-Lian Wu et al.
Bioorganic & medicinal chemistry letters, 23(3), 850-853 (2012-12-26)
Attempts to block metabolism by incorporating a 9-fluoro substituent at the A-ring of compound 1 (SCH 900229) using electrophilic Selectfluor™ led to an unexpected oxidation of the A-ring to give difluoroquinone analog 1a. Oxidation of other related chromene γ-secretase inhibitors
Yi Xiang et al.
Oncology reports, 34(3), 1249-1260 (2015-07-08)
The aim of this study was to identify pivotal dysregulated proteins that are biomarkers for multiple drug resistance (MDR) of human hepatocellular carcinoma (HCC). The secretome profiles of the human HCC MDR cell line BEL7402/5-FU and its parental cell line
Peroxide-initiated crosslinking of polypropylene in the presence of p-benzoquinone.
Chodak I and Lazar M.
Journal of Applied Polymer Science, 32(6), 5431-5437 (1986)
Cristina Avonto et al.
Toxicology and applied pharmacology, 289(2), 177-184 (2015-10-13)
Skin sensitization is an important toxicological end-point in the risk assessment of chemical allergens. Because of the complexity of the biological mechanisms associated with skin sensitization, integrated approaches combining different chemical, biological and in silico methods are recommended to replace
F ten Brink et al.
Biochimica et biophysica acta, 1827(11-12), 1392-1406 (2013-03-20)
Most organisms contain a single Rieske/cytb complex. This enzyme can be integrated in any respiratory or photosynthetic electron transfer chain that is quinone-based and sufficiently energy rich to allow for the turnover of three enzymes - a quinol reductase, a
Xin Wang et al.
Plant cell reports, 34(5), 733-743 (2014-12-31)
Using Illumina sequencing technology, we have generated the large-scale transcriptome sequencing data and indentified many putative genes involved in isoflavones biosynthesis in Pueraria lobata. Pueraria lobata, a member of the Leguminosae family, is a traditional Chinese herb which has been
K He et al.
Biochemical pharmacology, 62(2), 191-198 (2001-06-08)
Oxidative ring opening of troglitazone (TGZ)(1) a thiazolidine 2,4-dione derivative used for the treatment of type II diabetes mellitus, leads to the formation of a quinone metabolite. The formation of TGZ quinone was shown to be NADPH dependent and to
M Zarrabi et al.
Journal of colloid and interface science, 457, 353-359 (2015-07-22)
Ni metal nanoparticles were attached on the C/TiO2@MCM-41 (CTM-41) via facile and fast method based on dispersing of C/TiO2@MCM-41 in aqueous solution containing nickel ions by ultrasonic bath. Then, for the first time, the Ni ions were converted to Ni
Yongxia Li et al.
Food chemistry, 141(3), 1614-1618 (2013-07-23)
The fruiting bodies or mycelia of mushrooms have been used as food and food-flavoring material for centuries due to their nutritional and medicinal value and the diversity of their bioactive components. The present research is the first to investigate the
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