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93894

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Jo V Rushworth et al.
The Journal of biological chemistry, 288(13), 8935-8951 (2013-02-07)
Soluble oligomers of the amyloid-β (Aβ) peptide cause neurotoxicity, synaptic dysfunction, and memory impairments that underlie Alzheimer disease (AD). The cellular prion protein (PrP(C)) was recently identified as a high affinity neuronal receptor for Aβ oligomers. We report that fibrillar...
Nina Dickerhof et al.
The Biochemical journal, 462(2), 303-314 (2014-06-12)
MIF (macrophage migration inhibitory factor) plays a central role in the promotion and maintenance of the inflammatory response. It is implicated in a number of inflammatory diseases including sepsis, arthritis and colitis, and in diseases with an inflammatory component, such...
Juan Mielgo-Ayuso et al.
The British journal of nutrition, 111(7), 1263-1271 (2013-12-05)
The aim of the present study was to examine the effects of green tea epigallocatechin-3-gallate (EGCG) on changes in body composition, energy and substrate metabolism, cardiometabolic risk factors and liver function enzymes after an energy-restricted diet intervention in obese women....
Heather S Davies et al.
PloS one, 9(9), e108372-e108372 (2014-09-30)
The salivary mucins that include MUC5B (gel-forming) and MUC7 (non-gel-forming) are major contributors to the protective mucus barrier in the oral cavity, and it is possible that dietary components may influence barrier properties. We show how one dietary compound, the...
Alessio Papi et al.
Food chemistry, 138(2-3), 1521-1530 (2013-02-16)
Cytotoxic effects of the combination of the food components vitexin-2-O-xyloside (X), raphasatin (4-methylsulphanyl-3-butenyl isothiocyanates; G) and (-)-epigallocatechin-3-gallate (E) were investigated in colon (LoVo and CaCo-2) and breast (MDA-MB-231 and MCF-7) cancer cells. Breast cancer cells were more resistant than colon...
Chao-Peng Li et al.
Biochemical and biophysical research communications, 438(4), 739-745 (2013-08-07)
Autophagy is an intracellular catabolic process involved in protein and organelle degradation via the lysosomal pathway that has been linked in the pathogenesis of age-related macular degeneration (AMD). UVB irradiation-mediated degeneration of the macular retinal pigment epithelial (RPE) cells is...
David Cia et al.
Current eye research, 39(9), 944-952 (2014-02-25)
To determine whether the green tea polyphenol epigallocatechin gallate (EGCG) could prevent H(2)O(2)-induced oxidative stress in primary rat retinal pigment epithelial cells. Primary cultures of retinal pigment epithelium (RPE) cells were established from Long-Evans newborn rats. RPE cells were pretreated...
Ke-Hung Tsui et al.
The Prostate, 75(6), 603-615 (2015-01-07)
Liver X receptor (LXR) isoforms, LXRα and LXRβ, have similar protein structures and ligands, but diverse tissue distribution. We used two synthetic, non-steroidal LXR agonists, T0901317 and GW3965, to investigate the effects of LXR agonist modulation on prostate specific antigen...
Wai Mun Loke et al.
The Journal of nutrition, 139(12), 2309-2314 (2009-10-09)
Flavonoids are phytochemicals that are widespread in the human diet. Despite limitations in their bioavailability, experimental and epidemiological data suggest health benefits of flavonoid consumption. Valid biomarkers of flavonoid intake may be useful for estimating exposure in a range of...
Gang Liu et al.
Chinese medical journal, 128(1), 91-97 (2015-01-08)
Green tea has been shown to improve cholesterol metabolism in animal studies, but the molecular mechanisms underlying this function have not been fully understood. Long non-coding RNAs (lncRNAs) have recently emerged as a major class of regulatory molecules involved in...
Feng Gao et al.
Oncology reports, 33(3), 1533-1539 (2015-01-17)
Epigallocatechin gallate (EGCG), one of the major catechins found in green tea, was suggested to play a role as a chemopreventive agent in various human cancer models. In this study, we reported that EGCG has a profound antitumor effect on...
Jehan S Al-Amri et al.
Indian journal of experimental biology, 51(5), 357-362 (2013-07-05)
Degeneration of dopamine (DA)-containing neurons in the substantia nigra of the midbrain causes Parkinson's disease (PD). Although neuroinflammatory response of the brain has long been speculated to play a role in the pathogenesis of this neurological disorder, the mechanism is...
Masaki Kanadzu et al.
Cancer letters, 241(2), 250-255 (2005-11-24)
(-)-Epigallocatechin gallate (EGCG), a catechin polyphenol component, is the main ingredient of green tea extract. Recently, increasing attention has been given to its anti-oxidant effects. However, several studies reported the oxidative effects of EGCG, suggesting that EGCG had a dual...
Wan-Mohaiza Dashwood et al.
Mutation research, 591(1-2), 161-172 (2005-08-02)
beta-Catenin is a cadherin-binding protein involved in cell-cell adhesion, which also functions as a transcriptional activator when complexed in the nucleus with members of the T-cell factor (TCF)/lymphoid enhancer factor (LEF) family of proteins. There is considerable interest in mechanisms...
Burcu Bekdeşer et al.
Journal of agricultural and food chemistry, 62(46), 11109-11115 (2014-11-05)
Hypochlorous acid (HOCl) is an important reactive oxygen species (ROS) and non-radical and is taking part in physiological processes concerned with the defense of the organism, but there has been limited information regarding its scavenging by polyphenols. This study was...
Stephen J Glynn et al.
Organic & biomolecular chemistry, 13(13), 3887-3899 (2015-02-12)
The green tea polyphenol epigallocatechin-3-gallate (EGCG) was reported to effectively antagonize the ability of Bortezomib (BZM) to induce apoptosis in cancer cells. This interaction was attributed to the formation of a covalent adduct between a phenolic moiety of EGCG with...
Yanmang Cui et al.
Chemico-biological interactions, 220, 75-83 (2014-06-29)
The study was to characterize the polyphenolic composition, antioxidant properties, and hepatoprotective effects of a polyphenols-enriched extract (HMTP) from Huangshan Maofeng green tea. HPLC analysis showed that three predominantly polyphenolic compounds present in HMTP were epigallocatechin (271.2 μg/mg extract), rutin...
Xiuping Jiang et al.
FEMS microbiology letters, 355(1), 12-19 (2014-04-29)
Phytopathogenic microorganisms can produce pectin methylesterase (PME) to degrade plant cell walls during plant invasion. This enzyme is thought to be a virulence factor of phytopathogens. In this work, PME from Aspergillus flavus (AFPME) was expressed in Pichia pastoris and...
Lipika Ray et al.
Biomaterials, 34(12), 3064-3076 (2013-01-30)
Doxorubicin (DOX) is a well-known anticancer drug used for the treatment of a wide variety of cancers. However, undesired toxicity of DOX limits its uses. To address the issue of minimizing toxicity of DOX by making it targeted towards cancer...
Sajiv Sethi et al.
Current drug targets, 14(10), 1167-1174 (2013-07-10)
MicroRNAs (miRNAs) are small single-strand non-coding endogenous RNAs that regulate gene expression by multiple mechanisms. Recent evidence suggests that miRNAs are critically involved in the pathogenesis, evolution, and progression of cancer. The miRNAs are also crucial for the regulation of...
M Ichihashi et al.
Journal of dermatological science, 23 Suppl 1, S45-S50 (2000-04-15)
Reactive oxygen species (ROS) have been shown to be responsible for inducing DNA damage after ultraviolet radiation (UV). Antioxidant, vitamin E and epigallocatechin gallate extracted from green tea, applied topically to the skin, delayed the onset of UV-induced skin cancer...
V N Pavlov et al.
Urologiia (Moscow, Russia : 1999), (2)(2), 42-44 (2013-06-26)
The article presents a method of conservative treatment of men with I-II stage prostatic adenoma using a combination of doxazosin and indigal, which has antioxidant, antiproliferative and anti-inflammatory properties, that allowed improving urodynamic parameters and reducing the progression prostate adenoma...
Panpan Ye et al.
Molekuliarnaia biologiia, 47(2), 251-257 (2013-07-03)
(-)-Epigallocatechin gallate (EGCG), the most abundant component in green tea, has a potent anti-apoptotic activity. The purpose of this study was to investigate the protective effects of EGCG and their molecular mechanisms on high glucose-induced apoptosis of human lens epithelial...
S Uchida et al.
Life sciences, 50(2), 147-152 (1992-01-01)
Long-term administration of (-)-epigallocatechin 3-O-gallate (EGCG) to mice through drinking water prevented radiation-induced increase of lipid peroxides in liver and significantly prolonged life span after lethal whole-body X-irradiation. The result indicates validity of this green-tea component as an orally active...
Hyun-Ju Jang et al.
American journal of physiology. Endocrinology and metabolism, 305(12), E1444-E1451 (2013-10-24)
Insulin resistance, a hallmark of metabolic disorders, is a risk factor for diabetes and cardiovascular disease. Impairment of insulin responsiveness in vascular endothelium contributes to insulin resistance. The reciprocal relationship between insulin resistance and endothelial dysfunction augments the pathophysiology of...
Q Shixian et al.
Journal of medicinal food, 9(4), 451-458 (2007-01-05)
Epidemiological studies have shown that intake of tea catechins is associated with a lower risk of cardiovascular disease. The antioxidative activity of tea-derived catechins has been extensively studied. Reports have shown that green tea extract intake is associated with increased...
Xiaofeng Meng et al.
Chemical research in toxicology, 15(8), 1042-1050 (2002-08-20)
(-)-Epigallocatechin gallate (EGCG), the most abundant tea catechin, has been proposed to be beneficial to human health based on its strong antioxidative and other biological activities in vitro. Inadequate knowledge regarding the bioavailability and biotransformation of EGCG in humans, however...
Rui Huang et al.
PloS one, 9(4), e94226-e94226 (2014-04-15)
Proteomic profiling of the estrogen/tamoxifen-sensitive MCF-7 cell line and its partially sensitive (MCF-7/LCC1) and fully resistant (MCF-7/LCC9) variants was performed to identify modifiers of endocrine sensitivity in breast cancer. Analysis of the expression of 120 paired phosphorylated and non-phosphorylated epitopes...
Jian Zheng et al.
Environmental toxicology and pharmacology, 38(3), 891-900 (2014-12-03)
Excessive ultraviolet (UV) radiation, a constituent of sunlight, can induce multiple types of skin damage. We recently demonstrated that americanin B, a lignin compound, protected cells against hydrogen peroxide (H2O2)-induced damage by exerting antioxidant effects and inhibiting apoptosis. In this...
Violeta Chávez et al.
Infection and immunity, 77(11), 4983-4989 (2009-08-19)
Caenorhabditis elegans was recently developed as a model system to study both pathogen virulence mechanisms and host defense responses. We previously demonstrated that C. elegans produces reactive oxygen species (ROS) in response to exposure to the important gram-positive nosocomial pathogen...
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