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93894

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Suk-Joon Hyung et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(10), 3743-3748 (2013-02-22)
Despite the significance of Alzheimer's disease, the link between metal-associated amyloid-β (metal-Aβ) and disease etiology remains unclear. To elucidate this relationship, chemical tools capable of specifically targeting and modulating metal-Aβ species are necessary, along with a fundamental understanding of their
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
Rungsiri Chaiittianan et al.
Drug development and industrial pharmacy, 40(12), 1597-1606 (2013-09-24)
For potential topical administration, we formulated a nanoemulsion containing phenolic constituents of Phyllanthus emblica branch extract. The nanoemulsion has high entrapment efficiency, small particle size, is stable, and can release its main chemical components. Branches of P. emblica were extracted
Christina W A Moyle et al.
Molecular nutrition & food research, 59(3), 401-412 (2014-12-30)
Excessive concentrations of vascular endothelial growth factor (VEGF) drive angiogenesis and cause complications such as increased growth of tumours and atherosclerotic plaques. The aim of this study was to determine the molecular mechanism underlying the potent inhibition of VEGF signalling
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).
Ghada M Hadad et al.
Journal of chromatographic science, 52(7), 617-623 (2013-07-03)
A high-performance liquid chromatography method employing diode array detection was developed to determine levels of the major catechins, proanthocyanidin (procyanidin B2), caffeine, thymoquinone and carvacrol and its isomer, thymol, which are present in different natural complex matrices found in commercial
Cornelia Braicu et al.
Journal of nanoscience and nanotechnology, 13(1), 632-637 (2013-05-08)
Previous studies indicate that green tea extract may inhibit breast cancer progression by blocking angiogenesis, although the molecular mechanisms are not well defined. Epigallocatechin-3-gallate (EGCG) is the major biologically active component of green tea. In this study we evaluated the
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
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
Munawwar Ali Khan et al.
Oncology reports, 33(4), 1976-1984 (2015-02-17)
There has been increasing evidence that numerous bioactive dietary agents can hamper the process of carcinogenesis by targeting epigenetic alterations including DNA methylation. This therapeutic approach is considered as a significant goal for cancer therapy due to the reversible nature
Daniela Valenti et al.
Biochimica et biophysica acta, 1832(12), 2085-2096 (2013-08-06)
Increasing evidence reveals a large dependency of epithelial cancer cells on oxidative phosphorylation (OXPHOS) for energy production. In this study we tested the potential of epigallocatechin-3-gallate (EGCG), a natural polyphenol known to target mitochondria, in inducing OXPHOS impairment and cell
Mai Furumiya et al.
Drug metabolism and pharmacokinetics, 29(4), 312-316 (2014-02-05)
Myricetin is a flavonoid that has recently been suggested to interfere with the intestinal folate transport system. The present study was conducted to examine that possibility, focusing on its inhibitory effect on proton-coupled folate transporter (PCFT) as the molecular entity
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 %
Gereon Lill et al.
FEBS letters, 546(2-3), 265-270 (2003-07-02)
Epigallocatechin gallate (EGCG), a major component of green tea, has been previously shown to inhibit platelet aggregation. The effects of other green tea catechins on platelet function are not known. Pre-incubation with EGCG concentration-dependently inhibited thrombin-induced aggregation and phosphorylation of
Hanwei Liu et al.
Food chemistry, 141(1), 488-494 (2013-06-19)
Procyanidin dimers, trimers, and tetramers are absorbable, whereas larger oligomers are not. Procyanidins in cranberries are bioactive components that help prevent chronic diseases; however, 85% of cranberry procyanidins are large oligomers or polymers with a degree of polymerization above four.
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
Katsuyuki Yuki et al.
Mutation research, 757(2), 148-157 (2013-08-31)
The high rate of false-positive or misleading results in in vitro mammalian genotoxicity testing is a hurdle in the development of valuable chemicals, especially those used in cosmetics, for which in vivo testing is banned in the European Union. The
Maika Kissei et al.
Drug metabolism and pharmacokinetics, 29(5), 367-372 (2014-04-04)
Folic acid (FA) is a water-soluble vitamin, and orally ingested FA is absorbed from the small intestine by the proton-coupled folate transporter (PCFT). In the present study, we investigated whether epigallocatechin gallate (EGCG), one of the tea catechins, affects the
Shulin Qin et al.
Cytokine, 61(3), 924-932 (2013-01-31)
CCL20 is currently the only known chemokine ligand for the receptor CCR6, and is a mucosal chemokine involved in normal and pathological immune responses. Although nucleotide sequence data are available for ccl20 and ccr6 sequences from multiple species, the ferret
Jian Yang et al.
Life sciences, 92(10), 589-597 (2013-02-12)
Vascular inflammation is a key factor in the pathogenesis of diabetes-related vascular complications. Our previous study showed that (-)-epigallocatechin-3-gallate (EGCG) inhibits high glucose-induced vascular smooth muscle cell proliferation, thus it may have beneficial effects in diabetes and its complications. However
Pavel Novy et al.
Phytomedicine : international journal of phytotherapy and phytopharmacology, 20(5), 432-435 (2013-03-15)
Epigallocatechin gallate (EGCG), the major catechin contained in tea leaves, is known to possess the synergistic anti-staphylococcal activity in combination with various β-lactam antibiotics and tetracycline. In the present study, we explored the in vitro combinatory effect of EGCG in
Sabita N Saldanha et al.
Experimental cell research, 324(1), 40-53 (2014-02-13)
Bioactive compounds are considered safe and have been shown to alter genetic and epigenetic profiles of tumor cells. However, many of these changes have been reported at molecular concentrations higher than physiologically achievable levels. We investigated the role of the
Thomas Neuhaus et al.
Platelets, 15(7), 455-457 (2005-03-05)
The C-terminal peptide of thrombospondin (4N1-1) stimulates distinct signalling pathways but induces an activation-independent platelet aggregation. This study demonstrates inhibitory effects of epigallocatechin gallate (EGCG), a major flavonoid component of green tea, on 4N1-1-induced aggregation of washed human platelets. Thrombin
Vojtěch Mezera et al.
Digestive diseases and sciences, 59(5), 976-985 (2013-12-10)
Two-thirds partial hepatectomy (PHx) is an established model for the study of liver regeneration after resection. This process is accompanied by oxidative stress. In our study, we tested the effect of epigallocatechin gallate (EGCG), a green tea antioxidant, on the
Y-C Wang et al.
Amino acids, 22(2), 131-143 (2002-10-24)
The effect of the green tea polyphenol-(-)epigallocatechin-3-gallate (EGCG) was tested in cultures of normal and transformed NIH-pATM ras fibroblasts. In this system transformation can be induced at will by the addition of dexamethasone, which induces the expression of H- ras
Sang Pil Yoon et al.
Acta histochemica, 116(8), 1210-1215 (2014-08-27)
There is increasing evidence suggesting that antioxidants in green tea extracts may protect kidneys on the progression of end-stage renal disease. We investigated the protective impacts of (-)-epigallocatechin 3-O-gallate (EGCG) against streptozotocin (STZ)-induced diabetic nephropathy in mice. The mice were
Maneesh Jaiswal et al.
Journal of biomedical nanotechnology, 9(9), 1495-1508 (2013-08-29)
Present investigation involves the development of a bi-layer dressing of gelatin nanofibrous mat loaded with epigallocatechin gallate (EGCG)/poly vinyl alcohol (PVA) hydrogel and its in-vivo evaluation on full-thickness excision wounds in experimental Wistar rats. Nanomorphological observation, porosity, effect of crosslinking
Nada Oršolić et al.
Mutation research, 757(1), 36-44 (2013-07-19)
There is growing recognition that polyphenolic compounds present in many plants and natural products may have beneficial effects on human health. Propolis - a substance produced by honeybees - and catechins in tea, in particular (-)-epigallocatechin gallate (EGCG), are strong
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