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https://www.readbyqxmd.com/read/28103249/the-green-tea-catechin-epigallocatechin-gallate-ameliorates-graft-versus-host-disease
#1
Sabine Westphal, Aleixandria McGeary, Sandra Rudloff, Andrea Wilke, Olaf Penack
Allogeneic hematopoetic stem cell transplantation (allo-HSCT) is a standard treatment for leukemia and other hematologic malignancies. The major complication of allo-HSCT is graft-versus-host-disease (GVHD), a progressive inflammatory illness characterized by donor immune cells attacking the organs of the recipient. Current GVHD prevention and treatment strategies use immune suppressive drugs and/or anti-T cell reagents these can lead to increased risk of infections and tumor relapse. Recent research demonstrated that epigallocatechin gallate (EGCG), a component found in green tea leaves at a level of 25-35% at dry weight, may be useful in the inhibition of GVHD due to its immune modulatory, anti-oxidative and anti-angiogenic capacities...
2017: PloS One
https://www.readbyqxmd.com/read/28091970/comparison-of-two-adsorbent-based-de-bittering-procedures-for-neem-azadirachta-indica-a-juss-tea-effect-on-polyphenols-anti-oxidant-capacity-color-and-volatile-profile
#2
Abhinandya Datta, Ingolf U Grün, Misha T Kwasniewski, Lakdas N Fernando
Bitterness reduction, especially of foods and beverages containing phytonutrients, is one of the biggest challenges in the food industry because bitterness has a deleterious effect on the taste profile of foods and beverages. Neem (Azadirachta indica A. Juss) is a medicinal tree, indigenous to the Indian-subcontinent, whose medicinal properties have led to it being heralded as the tree which is the "panacea for all diseases". However, neem leaf is extremely bitter, in large part due to its limonoid content, making it unpalatable...
January 14, 2017: Plant Foods for Human Nutrition
https://www.readbyqxmd.com/read/28089998/first-clinical-experience-with-targeted-renal-nerve-demodulation-trend-1-using-a-neurotropic-agent-for-the-treatment-of-sympathetic-hypertension
#3
Nicholas Kipshidze, Horst Sievert, Michael H Wholey, Konstantin Kipiani, Vakhtang Kipiani, Tea Mukhuradze, Mark Wholey, Emily Stein, K T Venkateswara Rao
AIMS: To evaluate the feasibility and safety of a novel targeted neuromodulatory treatment for sympathetic hypertension involving a one-time local injection of neurotropic agents near renal nerves. METHODS AND RESULTS: Seven patients suffering from uncontrolled hypertension per ESH-ESC guidelines were treated using a single dose of NW2013, a neurotropic Na+/K+ ATPase antagonist. A microneedle catheter was used to administer 1.2 mL of NW2013 (0.6 mL per artery) to the perivascular space surrounding renal arteries using percutaneous endovascular procedures under fluoroscopic guidance...
January 15, 2017: Journal of Invasive Cardiology
https://www.readbyqxmd.com/read/28070878/effects-of-caffeic-acid-and-quercetin-on-in-vitro-permeability-metabolism-and-in-vivo-pharmacokinetics-of-melatonin-in-rats-potential-for-herb-drug-interaction
#4
Snehasis Jana, Himanshu Rastogi
BACKGROUND AND OBJECTIVES: Melatonin is a popular dietary supplement and also considered as pharmaceutical product for sleep disorders. Caffeic acid and quercetin are widely distributed in leafy vegetables, fruits, tea extract, and both are used as natural antioxidant. There is an immense concern for health researchers to study the herb/food-drug interactions of melatonin. It is mainly metabolized by CYP1A2 in human so that herbs/foods containing cytochrome P450 (CYP) inhibitors can affect pharmacokinetics of melatonin...
January 9, 2017: European Journal of Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/28068223/hepatocyte-taz-wwtr1-promotes-inflammation-and-fibrosis-in-nonalcoholic-steatohepatitis
#5
Xiaobo Wang, Ze Zheng, Jorge Matias Caviglia, Kathleen E Corey, Tina M Herfel, Bishuang Cai, Ricard Masia, Raymond T Chung, Jay H Lefkowitch, Robert F Schwabe, Ira Tabas
Nonalcoholic steatohepatitis (NASH) is a leading cause of liver disease worldwide. However, the molecular basis of how benign steatosis progresses to NASH is incompletely understood, which has limited the identification of therapeutic targets. Here we show that the transcription regulator TAZ (WWTR1) is markedly higher in hepatocytes in human and murine NASH liver than in normal or steatotic liver. Most importantly, silencing of hepatocyte TAZ in murine models of NASH prevented or reversed hepatic inflammation, hepatocyte death, and fibrosis, but not steatosis...
December 13, 2016: Cell Metabolism
https://www.readbyqxmd.com/read/28044450/caffeine-and-theanine-exert-opposite-effects-on-attention-under-emotional-arousal
#6
Grace E Giles, Caroline R Mahoney, Tad T Brunyé, Holly A Taylor, Robin B Kanarek
Tea is perceived as more relaxing than coffee, even though both contain caffeine. L-theanine in tea may account for the difference. Consumed together, caffeine and theanine exert similar cognitive effects to that of caffeine alone, but exert opposite effects on arousal, in that caffeine accentuates and theanine mitigates physiological and felt stress responses. We evaluated whether caffeine and theanine influenced cognition under emotional arousal. Using a double-blind, repeated-measures design, 36 participants received 4 treatments (200 mg caffeine + 0 mg theanine, 0 mg caffeine + 200 mg theanine, 200 mg caffeine + 200 mg theanine, 0 mg caffeine + 0 mg theanine) on separate days...
January 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28005704/the-antioxidant-effects-of-green-tea-reduces-blood-pressure-and-sympathoexcitation-in-an-experimental-model-of-hypertension
#7
Michelle L Garcia, Roberto B Pontes, Erika E Nishi, Flávia K Ibuki, Vanessa Oliveira, Alexandra C H Sawaya, Patrícia O Carvalho, Fernando N Nogueira, Maria do Carmo Franco, Ruy R Campos, Lila M Oyama, Cássia T Bergamaschi
BACKGROUND: Oxidative stress is a key mediator in the maintenance of sympathoexcitation and hypertension in human and experimental models. Green tea is widely known to be potent antioxidant. OBJECTIVE: We aimed to evaluate the effects of green tea in a model of hypertension. METHODS: Hypertension was induced by the nitric oxide synthase inhibitor [N-nitro-L-arginine-methyl-ester (L-NAME); 20 mg/kg per day, orally, for 2 weeks] in male Wistar rats...
February 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/27989874/effect-of-diabetea-tea-tm-consumption-on-inflammatory-cytokines-and-metabolic-biomarkers-in-type-2-diabetes-patients
#8
Fadia Mahmoud, Ebaa Al-Ozairi, David Haine, Ladislav Novotny, Ali Dashti, Basel Ibrahim, Mohamed Abdel-Hamid
ETHNOPHARMACOLOGICAL RELEVANCE: Diabetea tea (TM) (DT) is an anti-diabetic alternative medicine in some Asian countries. The main constituent of DT is black tea originating from Camellia sinensis that is supplemented by 12 other medicinal plants. Black tea contains a large amount of the flavonoids catechins especially epigallocatechin gallate (EGCG) which has anti-inflammatory and antioxidative capacity. This study was undertaken to evaluate the possible effects of DT intake on inflammatory cytokines, regulatory T cells (Tregs) and metabolic biomarkers in T2DM...
October 27, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27976096/antiproliferative-potential-of-dried-wild-pear-tea-before-and-after-in-vitro-simulated-digestion
#9
K P Šavikina, J Č Živković, N S Stanisavljević, N Đ Grozdanić-Stanisavljević, T P Stanojković, G M Zdunić, J T Samardžić
No abstract text is available yet for this article.
December 2016: Planta Medica
https://www.readbyqxmd.com/read/27941940/kefir-peptides-prevent-high-fructose-corn-syrup-induced-non-alcoholic-fatty-liver-disease-in-a-murine-model-by-modulation-of-inflammation-and-the-jak2-signaling-pathway
#10
H L Chen, T C Tsai, Y C Tsai, J W Liao, C C Yen, C M Chen
OBJECTIVE: In recent years, people have changed their eating habits, and high-fructose-containing bubble tea has become very popular. High-fructose intake has been suggested to be a key factor that induces non-alcoholic fatty liver disease (NAFLD). Kefir, a fermented milk product composed of microbial symbionts, has demonstrated numerous biological activities, including antibacterial, antioxidant and immunostimulating effects. The present study aims to evaluate the effects of kefir peptides on high-fructose-induced hepatic steatosis and the possible molecular mechanism...
December 12, 2016: Nutrition & Diabetes
https://www.readbyqxmd.com/read/27925140/tea-consumption-reduces-the-incidence-of-neurocognitive-disorders-findings-from-the-singapore-longitudinal-aging-study
#11
L Feng, M-S Chong, W-S Lim, Q Gao, M S Nyunt, T-S Lee, S L Collinson, T Tsoi, E-H Kua, T-P Ng
OBJECTIVES: To examine the relationships between tea consumption habits and incident neurocognitive disorders (NCD) and explore potential effect modification by gender and the apolipoprotein E (APOE) genotype. DESIGN: Population-based longitudinal study. SETTING: The Singapore Longitudinal Aging Study (SLAS). PARTICIPANTS: 957 community-living Chinese elderly who were cognitively intact at baseline. MEASUREMENTS: We collected tea consumption information at baseline from 2003 to 2005 and ascertained incident cases of neurocognitive disorders (NCD) from 2006 to 2010...
2016: Journal of Nutrition, Health & Aging
https://www.readbyqxmd.com/read/27908295/dopamine-2-receptor-extracellular-n-terminus-regulates-receptor-surface-availability-and-is-the-target-of-human-pathogenic-antibodies-from-children-with-movement-and-psychiatric-disorders
#12
Nese Sinmaz, Fiona Tea, Deepti Pilli, Alicia Zou, Mazen Amatoury, Tina Nguyen, Vera Merheb, Sudarshini Ramanathan, Sandra T Cooper, Russell C Dale, Fabienne Brilot
Anti-Dopamine-2 receptor (D2R) antibodies have been recently identified in a subgroup of children with autoimmune movement and psychiatric disorders, however the epitope(s) and mechanism of pathogenicity remain unknown. Here we report a major biological role for D2R extracellular N-terminus as a regulator of receptor surface availability, and as a major epitope targeted and impaired in brain autoimmunity. In transfected human cells, purified anti-D2R antibody from patients specifically and significantly reduced human D2R surface levels...
December 1, 2016: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/27905221/antioxidant-potentiality-of-three-herbal-teas-consumed-in-bandundu-rural-areas-of-congo
#13
Paulin Mutwale Kapepula, Patricia Mbombo Mungitshi, Thierry Franck, Ange Mouithys-Mickalad, Dieudonné Mumba Ngoyi, Pascal Dibungi T Kalenda, Nadege Kabamba Ngombe, Didier Serteyn, Monique Tits, Michel Frédérich, Jean-Jacques Tamfum Muyembe
The aim of this study was to evaluate and compare the cellular antioxidant activities of Lantana montevidensis, Lippia multiflora, and Ocimum gratissimum leaves often consumed as herbal teas in a rural area of Bandundu severely affected by konzo, which is related to oxidative damage. Consequently, dietary supplements with proven antioxidant potentialities could be of real interest to promote in this area. Phytochemical screening by TLC and HPLC-DAD of extracts revealed the presence of verbascoside as a major phenolic compound...
December 1, 2016: Natural Product Research
https://www.readbyqxmd.com/read/27866076/antioxidant-properties-of-tea-blunt-ros-dependent-lipogenesis-beneficial-effect-on-hepatic-steatosis-in-a-high-fat-high-sucrose-diet-nafld-obese-rat-model
#14
Laura Braud, Sylvain Battault, Grégory Meyer, Alessandro Nascimento, Sandrine Gaillard, Georges de Sousa, Roger Rahmani, Catherine Riva, Martine Armand, Jean-Michel Maixent, Cyril Reboul
Oxidative stress could trigger lipid accumulation in liver and thus hepatic steatosis. Tea is able to prevent liver disorders, but a direct link between antioxidant capacities and prevention of steatosis has not been reported yet. We aimed to investigate such relationship in a rat model of high fat-high sucrose diet (HFS)-induced obesity and to explore more deeply the mechanisms in isolated hepatocytes. Wistar rats were divided into a control group (standard diet), an HFS group (high fat-sucrose diet) and an HFS+tea group (HFS diet with ad-libitum access to tea drink)...
October 29, 2016: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/27855324/green-tea-polyphenol-epigallocatechin-3-gallate-differentially-induces-apoptosis-in-cll-b-and-t-cells-but-not-in-healthy-b-and-t-cells-in-a-dose-dependant-manner
#15
Scott Cornwall, Gavin Cull, David Joske, Reza Ghassemifar
B-cell chronic lymphocytic leukaemia (CLL) is characterized by an accumulation of CD5-positive monoclonal B-cells due in large part to a failure of apoptosis. The ability to study CLL B-cells in vitro has always been a challenge and hampered by the low viability of the CLL B-cells in cell culture systems. In this study, we present a multicellular cell culture system to maintain CLL B-cells viable in culture for 60h in the presence of a stromal cell feeder layer in combination with a whole white blood cell preparation...
November 2, 2016: Leukemia Research
https://www.readbyqxmd.com/read/27853259/comparative-transcriptome-analysis-of-chinary-assamica-and-cambod-tea-camellia-sinensis-types-during-development-and-seasonal-variation-using-rna-seq-technology
#16
Ajay Kumar, Vandna Chawla, Eshita Sharma, Pallavi Mahajan, Ravi Shankar, Sudesh Kumar Yadav
Tea quality and yield is influenced by various factors including developmental tissue, seasonal variation and cultivar type. Here, the molecular basis of these factors was investigated in three tea cultivars namely, Him Sphurti (H), TV23 (T), and UPASI-9 (U) using RNA-seq. Seasonal variation in these cultivars was studied during active (A), mid-dormant (MD), dormant (D) and mid-active (MA) stages in two developmental tissues viz. young and old leaf. Development appears to affect gene expression more than the seasonal variation and cultivar types...
November 17, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27824754/raspberry-leaf-and-hypoglycemia-in-gestational-diabetes-mellitus
#17
Kai I Cheang, Thanh T Nguyen, Nicole W Karjane, Kelsey E S Salley
BACKGROUND: Raspberry leaf is commonly consumed by pregnant women. Hypoglycemic effects have been documented with other species within the plant family. Whether raspberry leaf affects glycemic control in gestational diabetes mellitus (GDM) is unknown. CASE: A 38-year-old nulliparous woman with GDM developed hypoglycemia requiring lowered insulin dose after consuming raspberry leaf tea at 32 weeks of gestation. The temporal relationship was confirmed by the patient's self-withdrawal and reintroduction of the herb...
December 2016: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27805619/liver-related-safety-assessment-of-green-tea-extracts-in-humans-a-systematic-review-of-randomized-controlled-trials
#18
T Isomura, S Suzuki, H Origasa, A Hosono, M Suzuki, T Sawada, S Terao, Y Muto, T Koga
No abstract text is available yet for this article.
November 2016: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27797683/short-term-effects-of-green-tea-on-blood-pressure-endothelial-function-and-metabolic-profile-in-obese-prehypertensive-women-a-crossover-randomized-clinical-trial
#19
Lívia de P Nogueira, José Firmino Nogueira Neto, Márcia R S T Klein, Antonio F Sanjuliani
BACKGROUND: Green tea consumption has been inversely associated with cardiovascular disease (CVD) in epidemiological studies. Although some interventional trials suggest that green tea has beneficial effects on CVD risk factors, such as hypertension and obesity, others have failed to show such benefits. AIMS: To evaluate the short-term effects of green tea on blood pressure, endothelial function, metabolic profile, and inflammatory activity in obese prehypertensive women...
October 31, 2016: Journal of the American College of Nutrition
https://www.readbyqxmd.com/read/27796716/association-of-breast-cancer-risk-in-brca1-and-brca2-mutation-carriers-with-genetic-variants-showing-differential-allelic-expression-identification-of-a-modifier-of-breast-cancer-risk-at-locus-11q22-3
#20
Yosr Hamdi, Penny Soucy, Karoline B Kuchenbaeker, Tomi Pastinen, Arnaud Droit, Audrey Lemaçon, Julian Adlard, Kristiina Aittomäki, Irene L Andrulis, Adalgeir Arason, Norbert Arnold, Banu K Arun, Jacopo Azzollini, Anita Bane, Laure Barjhoux, Daniel Barrowdale, Javier Benitez, Pascaline Berthet, Marinus J Blok, Kristie Bobolis, Valérie Bonadona, Bernardo Bonanni, Angela R Bradbury, Carole Brewer, Bruno Buecher, Saundra S Buys, Maria A Caligo, Jocelyne Chiquette, Wendy K Chung, Kathleen B M Claes, Mary B Daly, Francesca Damiola, Rosemarie Davidson, Miguel De la Hoya, Kim De Leeneer, Orland Diez, Yuan Chun Ding, Riccardo Dolcetti, Susan M Domchek, Cecilia M Dorfling, Diana Eccles, Ros Eeles, Zakaria Einbeigi, Bent Ejlertsen, Christoph Engel, D Gareth Evans, Lidia Feliubadalo, Lenka Foretova, Florentia Fostira, William D Foulkes, George Fountzilas, Eitan Friedman, Debra Frost, Pamela Ganschow, Patricia A Ganz, Judy Garber, Simon A Gayther, Anne-Marie Gerdes, Gord Glendon, Andrew K Godwin, David E Goldgar, Mark H Greene, Jacek Gronwald, Eric Hahnen, Ute Hamann, Thomas V O Hansen, Steven Hart, John L Hays, Frans B L Hogervorst, Peter J Hulick, Evgeny N Imyanitov, Claudine Isaacs, Louise Izatt, Anna Jakubowska, Paul James, Ramunas Janavicius, Uffe Birk Jensen, Esther M John, Vijai Joseph, Walter Just, Katarzyna Kaczmarek, Beth Y Karlan, Carolien M Kets, Judy Kirk, Mieke Kriege, Yael Laitman, Maïté Laurent, Conxi Lazaro, Goska Leslie, Jenny Lester, Fabienne Lesueur, Annelie Liljegren, Niklas Loman, Jennifer T Loud, Siranoush Manoukian, Milena Mariani, Sylvie Mazoyer, Lesley McGuffog, Hanne E J Meijers-Heijboer, Alfons Meindl, Austin Miller, Marco Montagna, Anna Marie Mulligan, Katherine L Nathanson, Susan L Neuhausen, Heli Nevanlinna, Robert L Nussbaum, Edith Olah, Olufunmilayo I Olopade, Kai-Ren Ong, Jan C Oosterwijk, Ana Osorio, Laura Papi, Sue Kyung Park, Inge Sokilde Pedersen, Bernard Peissel, Pedro Perez Segura, Paolo Peterlongo, Catherine M Phelan, Paolo Radice, Johanna Rantala, Christine Rappaport-Fuerhauser, Gad Rennert, Andrea Richardson, Mark Robson, Gustavo C Rodriguez, Matti A Rookus, Rita Katharina Schmutzler, Nicolas Sevenet, Payal D Shah, Christian F Singer, Thomas P Slavin, Katie Snape, Johanna Sokolowska, Ida Marie Heeholm Sønderstrup, Melissa Southey, Amanda B Spurdle, Zsofia Stadler, Dominique Stoppa-Lyonnet, Grzegorz Sukiennicki, Christian Sutter, Yen Tan, Muy-Kheng Tea, Manuel R Teixeira, Alex Teulé, Soo-Hwang Teo, Mary Beth Terry, Mads Thomassen, Laima Tihomirova, Marc Tischkowitz, Silvia Tognazzo, Amanda Ewart Toland, Nadine Tung, Ans M W van den Ouweland, Rob B van der Luijt, Klaartje van Engelen, Elizabeth J van Rensburg, Raymonda Varon-Mateeva, Barbara Wappenschmidt, Juul T Wijnen, Timothy Rebbeck, Georgia Chenevix-Trench, Kenneth Offit, Fergus J Couch, Silje Nord, Douglas F Easton, Antonis C Antoniou, Jacques Simard
PURPOSE: Cis-acting regulatory SNPs resulting in differential allelic expression (DAE) may, in part, explain the underlying phenotypic variation associated with many complex diseases. To investigate whether common variants associated with DAE were involved in breast cancer susceptibility among BRCA1 and BRCA2 mutation carriers, a list of 175 genes was developed based of their involvement in cancer-related pathways. METHODS: Using data from a genome-wide map of SNPs associated with allelic expression, we assessed the association of ~320 SNPs located in the vicinity of these genes with breast and ovarian cancer risks in 15,252 BRCA1 and 8211 BRCA2 mutation carriers ascertained from 54 studies participating in the Consortium of Investigators of Modifiers of BRCA1/2...
January 2017: Breast Cancer Research and Treatment
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