Showing 1-30 of 357 results for "E4143"
Jia Liu et al.
Metabolism: clinical and experimental, 63(10), 1314-1323 (2014-07-27)
FoxO1 acts as a pivotal transcription factor in insulin signaling. However, in hyperglycemia induced cardiac complications, whether FoxO1 is involved remains unclear. The goal of this study was to delineate the potential role of FoxO1 under high-glucose condition. We investigated...
Motofumi Kumazoe et al.
FEBS letters, 587(18), 3052-3057 (2013-08-07)
(-)-Epigallocatechin-3-O-gallate (EGCG), a polyphenol in green tea, induces apoptosis in acute myeloid leukemia (AML) cells without affecting normal cells. In this study, we observed that cGMP acts as a cell death mediator of the EGCG-induced anti-AML effect through acid sphingomyelinase...
Lana X Tong et al.
Journal of the American Academy of Dermatology, 71(1), 151-160 (2014-03-25)
Melanoma is one of the deadliest forms of skin cancer, having a high metastatic potential and afflicting all age groups. The need for successful preventative measures is particularly urgent as metastatic melanoma is largely incurable. The beneficial role of nutrition...
Cleber A Schmidt et al.
Journal of natural products, 73(12), 2035-2041 (2010-11-18)
Analysis of the ethanolic extract of the bark from Parapiptadenia rigida resulted in the isolation of the new catechin derivatives 4',3''-di-O-methylapocynin-D (10), 4',3''-di-O-methylapocynin-B (11), epigallocatechin-3-O-ferulate (8), and 4'-O-methylepigallocatechin-3-O-ferulate (9) and the catechins 4'-O-methylepigallocatechin-3-O-gallate (6) and 4'-O-methylepicatechin-3-O-gallate (7). These compounds, isolated...
Yufang Guo et al.
Neuroreport, 28(10), 590-597 (2017-05-19)
(-)-Epigallocatechin-3-gallate (EGCG) is the most abundant polyphenolic extract in green tea and it has attracted increasing attention for its multiple bioactive effects. However, the mechanisms by which EGCG exerts its neuroprotective actions in Alzheimer's disease (AD) are presently lacking. In...
Brian J Song et al.
Food chemistry, 173, 305-312 (2014-12-04)
Interactions between polyphenols and macromolecules may impact polyphenol stability and bioavailability from foods. The impact of milk on tea flavan-3-ol stability to thermal treatment was investigated. Single strength (36.2 protein per L), quarter strength (9.0 g protein per L) milk...
Sema Demirci Çekiç et al.
Analytica chimica acta, 865, 60-70 (2015-03-04)
A colourimetric sensor capable of simultaneously measuring oxidative status (OS) in terms of the hazard produced by reactive oxygen species (ROS) and antioxidant activity (AOA) in regard to ROS-scavenging ability of antioxidant compounds was developed. The coloured cationic semi-quinone derivatives...
Laura M Castellano et al.
Biology open, 4(9), 1206-1212 (2015-09-01)
Semen harbors amyloid fibrils formed by proteolytic fragments of prostatic acid phosphatase (PAP248-286 and PAP85-120) and semenogelins (SEM1 and SEM2) that potently enhance HIV infectivity. Amyloid but not soluble forms of these peptides enhance HIV infection. Thus, agents that remodel...
Jehn-Chuan Lee et al.
Cancer letters, 360(2), 310-318 (2015-02-28)
Oral squamous cell carcinoma (OSCC) is a well-known malignancy that accounts for the majority of oral cancers. B-cell translocation gene 2 (BTG2) is an important regulator of cell cycle dynamics in cancer cells. However, the role of BTG2 in OSCC...
Na Cao et al.
International journal of biological macromolecules, 78, 389-395 (2015-05-02)
Numerous studies demonstrate that natural polyphenols can inhibit amyloid formation and disrupt preformed amyloid fibrils. In the present study, the fibril-disruptive effects of epigallocatechin-3-gallate (EGCG) were examined using lysozyme as a model protein. The results indicated that EGCG dose dependently...
He Zhong Jiang et al.
Bioorganic & medicinal chemistry letters, 20(20), 6045-6047 (2010-09-08)
Natural inhibitors of fatty acid synthase (FAS) are emerging as potential therapeutic agents to treat cancer and obesity. The bioassay-guided chemical investigation of the hulls of Garcinia mangostana led to the isolation of 13 phenolic compounds (1-13) mainly including xanthone...
Nathalia Quintero Ruiz et al.
Photochemistry and photobiology, 93(4), 1063-1072 (2017-02-09)
The antigenotoxicity against ultraviolet radiation (UV)-induced DNA damage of essential oils (EO) from Lippia species was studied using SOS Chromotest. Based on the minimum concentration that significantly inhibits genotoxicity, the genoprotective potential of EO from highest to lowest was Lippia...
C P Vieira et al.
Connective tissue research, 56(1), 50-58 (2014-11-02)
Green tea (GT) is widely used due to its anti-inflammatory properties. Previous studies have shown beneficial effects of a glycine diet on the remodeling process in inflamed tendons. Tendinitis is commonly observed in athletes and is of concern to surgeons...
Epigallocatechin-3-gallate induces cell death in acute myeloid leukaemia cells and supports all-trans retinoic acid-induced neutrophil differentiation via death-associated protein kinase 2
Britschgi A, et al.
British Journal of Haematology, 149(1), 55-64 (2010)
Apei Jiang et al.
Journal of cellular biochemistry, 116(8), 1553-1562 (2015-02-05)
Ubiquitin activating enzyme E1-like (UBE1L) is the activating enzyme for ISG15ylation (ISG15, interferon stimulated gene 15). UBE1L is thought to be a candidate tumor suppressor gene and has positive activity against stress responses such as viral infections. Both type I...
Santo Scalia et al.
Acta pharmaceutica (Zagreb, Croatia), 64(2), 257-265 (2014-06-11)
The aim of the study was to examine the effect of topical vehicles on the in vivo human stratum corneum penetration of the antioxidant and skin photoprotective agent (-)-epigallocatechin-3-gallate (EGCG). Model oil-in-water (o/w) emulsion and gel formulations containing 1 %...
Marlène Backleh-Sohrt et al.
Journal of natural products, 68(9), 1386-1389 (2005-09-27)
Biologically active compounds from several useful plants were enriched using foam fractionation, a separatory method belonging to the adsorptive bubble separation (ABS). Nonpolar humulones (1-6) from Pilsener beer, curcuminoids (7-9) from turmeric, and carotenoids (16 and 17) from carrot juice...
Tripti Singh et al.
Toxicology and applied pharmacology, 273(2), 418-424 (2013-10-08)
The green tea polyphenol, (-)-epigallocatechin-3-gallate (EGCG), has been shown to have anti-carcinogenic effects in several skin tumor models, and efforts are continued to investigate the molecular targets responsible for its cytotoxic effects to cancer cells. Our recent observation that β-catenin...
Tomonori Unno et al.
Journal of nutritional science and vitaminology, 60(3), 213-219 (2014-08-01)
Alterations in gut microbiota composition offer insights that may be relevant for several chronic conditions, including obesity. This study aimed to evaluate the effect of (-)-epigallocatechin gallate (EGCG) on the modulation of gut microbiota and biomarkers of colonic fermentation end-products...
Xuemin Wang et al.
PloS one, 10(4), e0125402-e0125402 (2015-05-01)
Cisplatin is one of the first-line platinum-based chemotherapeutic agents for treatment of many types of cancer, including ovary cancer. CTR1 (copper transporter 1), a transmembrane solute carrier transporter, has previously been shown to increase the cellular uptake and sensitivity of...
G D'Arena et al.
International journal of immunopathology and pharmacology, 26(1), 117-125 (2013-03-27)
Regulatory T cells (Tregs) are considered to be key immunomodulatory cells of the immune system and are increased in chronic lymphocytic leukemia (CLL). Rai stage 0 identifies patients with early stage CLL for which there is no effective intervention at...
Hong-Mei Shan et al.
ChemMedChem, 10(1), 158-163 (2014-09-10)
Polo-like kinase 1 (PLK1) plays crucial functions in multiple stages of mitosis and is considered to be a potential drug target for cancer therapy. The functions of PLK1 are mediated by its N-terminal kinase domain and C-terminal polo-box domain (PBD)....
S Liao
Hong Kong medical journal = Xianggang yi xue za zhi, 7(4), 369-374 (2002-01-05)
Unorthodox (non-traditional or alternative) medicinal practices have been expanding very rapidly in western countries. Modern physicians, scientists, and non-traditional medicine practitioners now must join forces to promote evidence-based medicine to benefit patients. Green tea extracts are among the most widely...
Angélique Stalmach et al.
Molecular nutrition & food research, 53 Suppl 1, S44-S53 (2008-11-04)
Ten healthy human subjects consumed 500 mL of Choladi green tea, containing 648 mumol of flavan-3-ols after which plasma and urine were collected over a 24 h period and analysed by HPLC-MS. Plasma contained a total of ten metabolites, in...
Weidong Dai et al.
Journal of agricultural and food chemistry, 66(27), 7209-7218 (2018-06-21)
White teas of different stored ages have varied flavor, bioactivity, and commercial value. In this study, a liquid chromatography-mass spectrometry-based metabolomics investigation revealed that there are distinct differences among the compound patterns of Baihaoyinzhen (BHYZ) and Baimudan (BMD) white teas...
Chih-Yeu Fang et al.
International journal of molecular sciences, 16(2), 2530-2558 (2015-01-28)
(-)-Epigallocatechin-3-gallate (EGCG), a major green tea polyphenol, has been shown to inhibit the proliferation of a variety of tumor cells. Epidemiological studies have shown that drinking green tea can reduce the incidence of nasopharyngeal carcinoma (NPC), yet the underlying mechanism...
Josefin Larsson et al.
Journal of natural products, 68(7), 985-991 (2005-07-26)
Recently various attempts have been made to increase the efficacy and precision of chemical libraries used in high-throughput screening (HTS) drug discovery approaches. One such approach is ChemGPS, which provides a defined chemical space for prescreening evaluation of chemical compound...
Hye-Kyung Na et al.
Molecular nutrition & food research, 50(2), 152-159 (2006-02-14)
Chemoprevention is an attempt to use either naturally occurring or synthetic substances or their mixtures to intervene in the progress of carcinogenesis. Recently, it has been shown that some edible phytochemicals alter gene expression, directly or indirectly, thereby regulating the...
Mathilde Fournière et al.
Metabolites, 9(9) (2019-09-25)
Data on fractionation and depolymerization of the matrix ulvan polysaccharides, and studies on the biological activities on skin cells, are very scarce. In this work, crude ulvans were produced by using EAE (enzyme-assisted extraction) and compared to maceration (an established...
Anilda Guri et al.
Food & function, 6(12), 3642-3651 (2015-09-04)
By interacting with nutrients, the mucus layer covering the intestinal epithelium may mediate absorption. This study aimed to determine possible interactions between epigallocatechin-3-gallate (EGCG), skim milk proteins or their complexes with human intestinal mucin films. The films were extracted from...

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