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Resveratrol

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https://www.readbyqxmd.com/read/28644383/use-of-ultrasonication-technology-for-the-increased-production-of-plant-secondary-metabolites
#1
REVIEW
Md Mohidul Hasan, Tufail Bashir, Hanhong Bae
Plant secondary metabolites (PSMs) provide taste, color, odor, and resistance to plants, and they are also used to treat cancer and cardiovascular diseases. Synthesis of PSMs in plants is stimulated in response to different forms of external stress. Use of ultrasonication (US) to clean or decontaminate fruits and vegetables leads to physical stress that finally results in the accumulation of PSMs. US can stimulate accumulation of taxol, ginsenoside saponins, shikonin, and resveratrol, e.g., up to 319-fold increase of resveratrol synthesis has been observed in grape due to US...
June 23, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28641627/-mechanism-of-apoptosis-for-resveratrol-mediated-reversing-the-drug-resistance-of-aml-hl-60-adr-cells
#2
Yu-Kai Guo, Min Shi, Yong-Liang Qin, Yong-Jun Li
OBJECTIVE: To explore the mechanism of apoptosis for resvertrol-mediated reversing the drug-resistance of AML HL-60/ADR cells. METHODS: The HL-60/ADR cells were divided into 4 groups: control group, adriamycin (ADR)-treated group, resveratrol(Res)-treated group and ADR+Res-treated group. The inhibitory rate of cell proliferation was analyzed by CCK-8 method. The auto-fluorescence intensity of intracellular ADR and the apoptotic rate of HL-60/ADR cells were detected by flow cytometry...
June 2017: Zhongguo Shi Yan Xue Ye Xue za Zhi
https://www.readbyqxmd.com/read/28638078/the-stress-response-factor-daf-16-foxo-is-required-for-multiple-compound-families-to-prolong-the-function-of-neurons-with-huntington-s-disease
#3
Francesca Farina, Emmanuel Lambert, Lucie Commeau, François-Xavier Lejeune, Nathalie Roudier, Cosima Fonte, J Alex Parker, Jacques Boddaert, Marc Verny, Etienne-Emile Baulieu, Christian Neri
Helping neurons to compensate for proteotoxic stress and maintain function over time (neuronal compensation) has therapeutic potential in aging and neurodegenerative disease. The stress response factor FOXO3 is neuroprotective in models of Huntington's disease (HD), Parkinson's disease and motor-neuron diseases. Neuroprotective compounds acting in a FOXO-dependent manner could thus constitute bona fide drugs for promoting neuronal compensation. However, whether FOXO-dependent neuroprotection is a common feature of several compound families remains unknown...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28637522/evaluation-of-urinary-resveratrol-as-a-biomarker-of-dietary-resveratrol-intake-in-the-european-prospective-investigation-into-cancer-and-nutrition-epic-study
#4
Raul Zamora-Ros, Joseph A Rothwell, David Achaintre, Pietro Ferrari, Marie-Christine Boutron-Ruault, Francesca R Mancini, Aurelie Affret, Tilman Kühn, Verena Katzke, Heiner Boeing, Sven Küppel, Antonia Trichopoulou, Pagona Lagiou, Carlo La Vecchia, Domenico Palli, Paolo Contiero, Salvatore Panico, Rosario Tumino, Fulvio Ricceri, Hwayoung Noh, Heinz Freisling, Isabelle Romieu, Augustin Scalbert
In vitro studies have shown several beneficial properties of resveratrol. Epidemiological evidence is still scarce, probably because of the difficulty in estimating resveratrol exposure accurately. The current study aimed to assess the relationships between acute and habitual dietary resveratrol and wine intake and urinary resveratrol excretion in a European population. A stratified random subsample of 475 men and women from four countries participating in the European Prospective Investigation into Cancer and Nutrition (EPIC) cross-sectional study, who had provided 24-h urine samples and completed a 24-h dietary recall (24-HDR) on the same day, were included...
June 22, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28636886/sirt1-enzymatically-potentiates-1-25-dihydroxyvitamin-d3-signaling-via-vitamin-d-receptor-deacetylation
#5
Marya S Sabir, Chengcheng Hu, Zainab Khan, Michael A Galligan, Christopher M Dussik, Sanchita Mallick, Angelika Dampf Stone, Shane F Batie, Elizabeth T Jacobs, G Kerr Whitfield, Mark R Haussler, Michael C Heck, Peter W Jurutka
The hormonal metabolite of vitamin D, 1,25-dihydroxyvitamin D3 (1,25D), binds to the vitamin D receptor (VDR) and promotes heterodimerization of VDR with a retinoid-X-receptor (RXR) to genomically regulate diverse cellular processes. Herein, it is revealed for the first time that VDR is post-translationally acetylated, and that VDR immunoprecipitated from human embryonic kidney (HEK293) cells displays a dramatic decrease in acetylated receptor in the presence of 1,25D-ligand, sirtuin-1 (SIRT1) deacetylase, or the resveratrol activator of SIRT1...
June 18, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28629815/resveratrol-suppresses-pulmonary-tumor-metastasis-by-inhibiting-platelet-mediated-angiogenic-responses
#6
Liwei He, Fangtian Fan, Xianbang Hou, Cuixiang Gao, Li Meng, Shu Meng, Shiwen Huang, Hongyan Wu
BACKGROUND: To explore the impact of Resveratrol (RSV) on the angiogenic potential of activated platelets and to elucidate the underlying mechanism. METHODS: Vascular endothelial growth factor concentrations were measured by enzyme-linked immunosorbent assay. Capillary tube formation assay was used to examine the impact of RSV on the angiogenic potential of activated platelets. The levels of cyclic adenosine monophosphate and cyclic guanosine monophosphate (cGMP) in the supernatant were evaluated using corresponding enzyme-linked immunosorbent assay kits...
May 10, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28629161/cancer-chemoprevention-by-resveratrol-the-p53-tumor-suppressor-protein-as-a-promising-molecular-target
#7
REVIEW
Danielly C Ferraz da Costa, Eliane Fialho, Jerson L Silva
Increasing epidemiological and experimental evidence has demonstrated an inverse relationship between the consumption of plant foods and the incidence of chronic diseases, including cancer. Microcomponents that are naturally present in such foods, especially polyphenols, are responsible for the benefits to human health. Resveratrol is a diet-derived cancer chemopreventive agent with high therapeutic potential, as demonstrated by different authors. The aim of this review is to collect and present recent evidence from the literature regarding resveratrol and its effects on cancer prevention, molecular signaling (especially regarding the involvement of p53 protein), and therapeutic perspectives with an emphasis on clinical trial results to date...
June 18, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28627722/pterostilbene-inhibits-lipogenic-activity-similar-to-resveratrol-or-caffeine-but-differently-modulates-lipolysis-in-adipocytes
#8
Saioa Gomez-Zorita, Chloé Belles, Anaïs Briot, Alfredo Fernández-Quintela, Maria P Portillo, Christian Carpéné
The anti-obesity effects of resveratrol shown in rodents are not transposed into an efficient therapy of human obesity. Consequently, the search for molecules mimicking or surpassing resveratrol actions is ongoing. The natural phenolic compound pterostilbene exhibits beneficial health effects and has the capacity to limit fat mass in animal models. In this study, we tested whether pterostilbene modulates triacylglycerol accumulation/breakdown. Prolonged exposure to pterostilbene or resveratrol inhibited adipocyte differentiation in 3T3-F442A preadipocytes...
June 19, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28625541/plant-derived-antifungal-compounds-trigger-a-common-transcriptional-response
#9
Zhe Wang
Understanding the mechanism of action of antifungal drugs is vital for better control of mycosis, which kills >1.3 million lives every year thus remains a major health problem worldwide. In this study, we investigate the activities of three different categories of plant-derived antifungal compounds (resveratrol, honokiol and osthole) via transcriptomics and bioinformatics analysis, with the goal of discovering the common Mode-of-Action (MoA) at molecular level. The result shows that a common transcriptional response (72 gene are up-regulated while 10 genes are down-regulated, commonly) are triggered by above representative antifungal compounds in Schizosaccharomyces pombe (S...
June 15, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28624490/bioenergetics-dysfunction-mitochondrial-permeability-transition-pore-opening-and-lipid-peroxidation-induced-by-hydrogen-sulfide-as-relevant-pathomechanisms-underlying-the-neurological-dysfunction-characteristic-of-ethylmalonic-encephalopathy
#10
Gabriela Miranda Fernandez Cardoso, Julia Tauana Pletsch, Belisa Parmeggiani, Mateus Grings, Nícolas Manzke Glanzel, Larissa Daniele Bobermin, Alexandre Umpierrez Amaral, Moacir Wajner, Guilhian Leipnitz
Hydrogen sulfide (sulfide) accumulates at high levels in the brains of patients with ethylmalonic encephalopathy (EE). In the present study, we evaluated whether sulfide could disturb energy and redox homeostasis, and induce mitochondrial permeability transition (mPT) pore opening in rat brain aiming to better clarify the neuropathophysiology of EE. Sulfide decreased the activities of citrate synthase and aconitase in rat cerebral cortex mitochondria, and of creatine kinase (CK) in rat cerebral cortex, striatum and hippocampus supernatants...
June 14, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28623808/role-of-polyphenols-and-polyphenol-rich-foods-in-the-modulation-of-pon1-activity-and-expression
#11
REVIEW
Daniela Martini, Cristian Del Bo', Marisa Porrini, Salvatore Ciappellano, Patrizia Riso
Paraoxonase 1 (PON1) is a high-density lipoprotein (HDL)-associated enzyme involved in the protection of low-density lipoprotein and HDLs against lipid peroxidation. Several studies documented the capacity of polyphenols to stimulate PON1 transcription activation. The objective of the present review is to provide the main evidence about the role and the potential mechanism of action of polyphenols and polyphenol-rich foods in the modulation of PON1 gene expression and activity. A total of 76 in vitro and in vivo studies were included in the review...
June 6, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28623709/the-mechanism-of-neuroprotective-action-of-natural-compounds
#12
REVIEW
Agnieszka Wąsik, Lucyna Antkiewicz-Michaluk
Disturbance of cerebral redox homeostasis is the primary cause of human neurodegenerative disorders, such as Parkinson's disease or Alzheimer's disease. Well known experimental research demonstrates that oxidative stress is a main cause of cell death. A high concentration of reactive oxygen and nitrogen species leads to damage of a lot of proteins, lipids and also DNA. Synthetic compounds used for the treatment in the neurodegenerative diseases failed to meet the hopes they had raised and often exhibit a number of side effects...
April 30, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28623007/gene-networks-in-neurodegenerative-disorders
#13
REVIEW
Daniela Recabarren, Marcelo Alarcón
Three neurodegenerative diseases [Amyotrophic Lateral Sclerosis (ALS), Parkinson's disease (PD) and Alzheimer's disease (AD)] have many characteristics like pathological mechanisms and genes. In this sense some researchers postulate that these diseases share the same alterations and that one alteration in a specific protein triggers one of these diseases. Analyses of gene expression may shed more light on how to discover pathways, pathologic mechanisms associated with the disease, biomarkers and potential therapeutic targets...
June 13, 2017: Life Sciences
https://www.readbyqxmd.com/read/28617837/risk-factors-and-protective-factors-associated-with-incident-or-increase-of-frailty-among-community-dwelling-older-adults-a-systematic-review-of-longitudinal-studies
#14
Zeyun Feng, Marjolein Lugtenberg, Carmen Franse, Xinye Fang, Shanlian Hu, Chunlin Jin, Hein Raat
INTRODUCTION: Frailty is one of the greatest challenges facing our aging population, as it can lead to adverse outcomes such as institutionalization, hospitalization, and mortality. However, the factors that are associated with frailty are poorly understood. We performed a systematic review of longitudinal studies in order to identify the sociodemographic, physical, biological, lifestyle-related, and psychological risk or protective factors that are associated with frailty among community-dwelling older adults...
2017: PloS One
https://www.readbyqxmd.com/read/28617535/research-on-the-protective-effects-of-antioxidants-on-metabolic-syndrome-induced-by-thyroid-dysfunction
#15
Y Chen, Z Zhou, X-X Li, T Wang
OBJECTIVE: This paper researches on the protective effects of antioxidants on metabolic syndrome induced by thyroid dysfunction. While the role of Lipoic acid (LA), Resveratrol (R) and Quercetin (Q) are recognized, the mechanisms for their ameliorative effects are partially understood. Therefore, the objective of this study was to determine the prevalence of MS among university workers and to examine the relationship with thyroid function and mechanisms for protective effects of LA, Resveratrol and Quercetin on the heart, kidneys and lungs...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28615993/resveratrol-protects-against-icv-collagenase-induced-neurobehavioral-and-biochemical-deficits
#16
Navdeep Singh, Yashika Bansal, Ranjana Bhandari, Lovish Marwaha, Raghunath Singh, Kanwaljit Chopra, Anurag Kuhad
BACKGROUND: Indeed, intracerebral hemorrhage (ICH) account for only 15% of all strokes but it is one of the most devastating subtype of stroke associated with behavioral, cognitive and neurological deficits. The primary cause of neurological deficits in ICH is the hematoma growth, generation of free radicals, inflammatory cytokines and exhausting endogenous anti-oxidant machinery. It has been found that neuroinflammation following ICH leads to exaggeration of hallmarks of ICH. With this background, the study was aimed to evaluate the protective effect of resveratrol (RSV) in intracerebroventricular (ICV) collagenase (COL) induced neurological deficits in rats...
2017: Journal of Inflammation
https://www.readbyqxmd.com/read/28614117/role-of-amp-activated-protein-kinase-in-kidney-tubular-transport-metabolism-and-disease
#17
Roshan Rajani, Nuria M Pastor-Soler, Kenneth R Hallows
PURPOSE OF REVIEW: AMP-activated protein kinase (AMPK) is a metabolic sensor that regulates cellular energy balance, transport, growth, inflammation, and survival functions. This review explores recent work in defining the effects of AMPK on various renal tubular epithelial ion transport proteins as well as its role in kidney injury and repair in normal and disease states. RECENT FINDINGS: Recently, several groups have uncovered additional functions of AMPK in the regulation of kidney and transport proteins...
June 12, 2017: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/28611316/effects-of-resveratrol-curcumin-berberine-and-other-nutraceuticals-on-aging-cancer-development-cancer-stem-cells-and-micrornas
#18
James A McCubrey, Kvin Lertpiriyapong, Linda S Steelman, Steve L Abrams, Li V Yang, Ramiro M Murata, Pedro L Rosalen, Aurora Scalisi, Luca M Neri, Lucio Cocco, Stefano Ratti, Alberto M Martelli, Piotr Laidler, Joanna Dulińska-Litewka, Dariusz Rakus, Agnieszka Gizak, Paolo Lombardi, Ferdinando Nicoletti, Saverio Candido, Massimo Libra, Giuseppe Montalto, Melchiorre Cervello
Natural products or nutraceuticals have been shown to elicit anti-aging, anti-cancer and other health-enhancing effects. A key target of the effects of natural products may be the regulation of microRNA (miR) expression which results in cell death or prevents aging, diabetes, cardiovascular and other diseases. This review will focus on a few natural products, especially on resveratrol (RES), curcumin (CUR) and berberine (BBR). RES is obtained from the skins of grapes and other fruits and berries. RES may extend human lifespan by activating the sirtuins and SIRT1 molecules...
June 12, 2017: Aging
https://www.readbyqxmd.com/read/28610993/effects-of-a-co-micronized-composite-containing-palmitoylethanolamide-and-polydatin-in-an-experimental-model-of-benign-prostatic-hyperplasia
#19
Marika Cordaro, Daniela Impellizzeri, Rosalba Siracusa, Enrico Gugliandolo, Roberta Fusco, Antonino Inferrera, Emanuela Esposito, Rosanna Di Paola, Salvatore Cuzzocrea
Palmitoylethanolamide (PEA), a fatty acid amide-signaling molecule has well-known anti-inflammatory and neuroprotective effects. Nevertheless, PEA does not possess the ability to prevent free radicals formation. Polydatin (PLD), a biological precursor of resveratrol, has antioxidant activity. A combination of PEA and PLD could, conceivably, have beneficial effects on oxidative stress produced by inflammatory processes. In the present study we investigated the effects of a co-micronized composite containing PEA and PLD (m(PEA/PLD)) in a model of testosterone-induced benign hyperplasia (BPH)...
June 10, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28610607/resveratrol-distinctively-modulates-the-inflammatory-profiles-of-immune-and-endothelial-cells
#20
Joseph Schwager, Nathalie Richard, Franziska Widmer, Daniel Raederstorff
BACKGROUND: The phenolic substance resveratrol (RES) is a plant metabolite known to modulate numerous physiological functions and to exert beneficial effects as a cancer-chemopreventing agent and on neurological, hepatic, and cardiovascular systems. Since the compound affects the lifespan of yeast and flies it might be an anti-aging substance. Mechanistically, RES is involved in down regulating the inflammatory response. The pleiotropic effects of RES in cells of the immune and endothelial system were examined in this study...
June 13, 2017: BMC Complementary and Alternative Medicine
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