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Resveratrol

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https://www.readbyqxmd.com/read/28523759/role-of-sulfotransferases-in-resveratrol-metabolism-in-human-adipocytes
#1
Nele Gheldof, Sofia Moco, Christian Chabert, Tony Teav, Denis Barron, Jorg Hager
SCOPE: Polyphenols such as resveratrol received interest for their wide-ranging biological benefits, including anti-obesity potential, mimicking effects of caloric restriction with reduced body fat and increased energy expenditure. However, resveratrol is rapidly metabolized, and it is not completely understood which form of resveratrol is responsible for the effects observed within target cells such as adipocytes. Also the role of metabolizing enzymes has not been investigated before...
May 18, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28523103/toward-resolving-the-resveratrol-conundrum-synthesis-and-in-vivo-pharmacokinetic-evaluation-of-bcp-resveratrol
#2
Yi Ling Goh, Yan Ting Cui, Vishal Pendharkar, Vikrant A Adsool
Over the last few decades, resveratrol has gained significance due to its impressive array of biological activities; however, its true potential as a drug has been severely constrained by its poor bioavailability. Indeed, several studies have implicated this bioavailability trait as a major road-block to resveratrol's potential clinical applications. To mitigate this pharmacokinetic issue, we envisioned a tactical bioisosteric modification of resveratrol to bicyclo[1.1.1]pentane (BCP) resveratrol. Relying on the beneficial bioisosteric potential demonstrated by the BCP-scaffold, we hypothesized that BCP-resveratrol would have an inherently better in vivo PK profile as compared to its natural counterpart...
May 11, 2017: ACS Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28521683/impact-of-red-wine-consumption-on-cardiovascular-health
#3
Luca Liberale, Aldo Bonaventura, Fabrizio Montecucco, Franco Dallegri, Federico Carbone
The devastating effects of heavy alcohol drinking have been long time recognized. In the last decades, potential benefits of modest red wine drinking were suggested. In European countries in which red wide intake is not negligible (such as France), the association between cholesterol and cardiovascular (CV) risk was less evident, suggesting the action of some protective molecules in red wine or other foods and drinks. Epidemiological and mechanistic evidence of a J-shaped relationship between red wine intake and CV risk further supported the "French paradox"...
May 17, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/28521025/mechanism-of-as2o3-induced-action-potential-prolongation-and-using-hips-cms-to-evaluate-the-rescue-efficacy-of-drugs-with-different-rescue-mechanism
#4
Meng Yan, Lifang Feng, Yanhui Shi, Junnan Wang, Yan Liu, Fengmei Li, Baoxin Li
Arsenic trioxide (As2O3) has been verified as a breakthrough in the management of acute promyelocytic leukemia in recent decades. However, cardiotoxicity, especially long QT syndrome (LQTS) has become the most important issue during As2O3 treatment. The characterized mechanisms behind this adverse effect are inhibition of cardiac hERG channel trafficking and increase of cardiac calcium currents. In our study, we found a new pathway underlying As2O3-induced cardiotoxicity that As2O3 accelerates lysosomal degradation of hERG on plasma membrane after using brefeldin A (BFA) to block protein trafficking...
May 17, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28516788/anti-oxidative-effect-of-resveratrol-on-aluminum-induced-toxicity-in-rat-cerebral-tissue
#5
M M H Zakaria, B Hajipour, R Estakhri, B M Saleh
INTRODUCTION: The direct protective effects of resveratrol against oxidative stress have been demonstrated in neuroglial cells, the mechanisms of these effects are not fully understood. The aim of this research was to study the effect of resveratrol on AL induced cerebral injury in rat. METHODS: We divided the groups as follows with 10 animals each: a) Group I - served as control receiving normal drinking water and diet ad libitum. b) Group II - animals were administered aluminum at a dose level of 100 mg/kg body weight for a period of 6 weeks daily through oral gavage...
2017: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/28513542/biomimetic-synthesis-of-resveratrol-trimers-catalyzed-by-horseradish-peroxidase
#6
Jian-Qiao Zhang, Gan-Peng Li, Yu-Long Kang, Bin-Hao Teng, Chun-Suo Yao
Biotransformation of trans-resveratrol and synthetic (±)-ε-viniferin in aqueous acetone using horseradish peroxidase and hydrogen peroxide as oxidants resulted in the isolation of two new resveratrol trimers (3 and 4), one new resveratrol derivative (5) with a dihydrobenzofuran skeleton, together with two known stilbene trimers (6 and 7), and six known stilbene dimers (8-13). Their structures and relative configurations were identified through spectral analysis and possible formation mechanisms were also discussed...
May 17, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28512471/resveratrol-induces-differentiation-of-human-umbilical-cord-mesenchymal-stem-cells-into-neuron-like-cells
#7
Li Guo, Liang Wang, Li Wang, Shi Yun-Peng, Jing-Jing Zhou, Zongmao Zhao, De-Pei Li
Objective. Human umbilical cord mesenchymal stem cells (hUC-MSCs) potentially differentiate to various types of cells including neuron-like cells. The natural polyphenol resveratrol benefits patients with many diseases including ischemic brain injury. We hypothesize that resveratrol induces differentiation of hUC-MSCs into neuron-like cells. Methods. Flow cytometry was used to determine the surface antigens in different stage of hUC-MSCs (P2, P5, and P10). Nestin, neuron-specific enolase (NSE), and glial fibrillary acidic protein (GFAP) were detected by immunocytochemistry, Western blotting, and real time RT-PCT...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28511554/resveratrol-promotes-recovery-of-immune-function-of-immunosuppressive-mice-by-activating-jnk-nf-%C3%AE%C2%BAb-pathway-in-splenic-lymphocytes
#8
Xin Lai, Mei Cao, Xu Song, Renyong Jia, Yuanfeng Zou, Lixia Li, Xiaoxia Liang, Changliang He, Lizi Yin, Guizhou Yue, Gang Ye, Zhongqiong Yin
Resveratrol, a natural compound found in over 70 plants, is known to possess immunoregulatory effects and anti-inflammatory activity. It has been shown that resveratrol has regulatory effects on different signaling pathways in different diseases. However, few reports have evaluated the effects of resveratrol on reinforcing immunity recovery via activating nuclear factor-κB (NF-κB) pathway and Jun N-terminal kinases (JNK) pathway. The present study aimed to assess immune-enhancing activity and underlying mechanism of resveratrol in immunosuppressive mice...
May 16, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28511293/enterobacter-aerogenes-zdy01-attenuates-choline-induced-trimethylamine-n-oxide-levels-via-remodeling-gut-microbiota-in-mice
#9
Liang Qiu, Dong Yang, Xueying Tao, Jun Yu, Hua Xiong, Hua Wei
Trimethylamine N-oxide (TMAO), which is transformed from trimethylamine (TMA) through hepatic flavin-containing monooxygenases, can promote atherosclerosis. TMA is produced from dietary carnitine, phosphatidylcholine, and choline via the gut microbes. Previous works have shown that some small molecules, such as allicin, resveratrol, and 3,3-dimethyl-1-butanol, are used to reduce circulating TMAO levels. However, the use of bacteria as an effective therapy to reduce TMAO levels has not been reported. In the present study, 82 isolates were screened from healthy Chinese fecal samples on a basal salt medium supplemented with TMA as sole carbon source...
May 17, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28507012/dietary-factors-promoting-brown-and-beige-fat-development-and-thermogenesis
#10
REVIEW
Meshail Okla, Jiyoung Kim, Karsten Koehler, Soonkyu Chung
Brown adipose tissue (BAT) is a specialized fat tissue that has a high capacity to dissociate cellular respiration from ATP utilization, resulting in the release of stored energy as heat. Adult humans possess a substantial amount of BAT in the form of constitutively active brown fat or inducible beige fat. BAT activity in humans is inversely correlated with adiposity, blood glucose concentrations, and insulin sensitivity; this suggests that strategies aimed at BAT-mediated bioenergetics are an attractive therapeutic target in combating the continuing epidemic of obesity and diabetes...
May 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28505492/comprehensive-evaluation-of-scfa-production-in-the-intestinal-bacteria-regulated-by-berberine-using-gas-chromatography-combined-with-polymerase-chain-reaction
#11
Lu-Lu Wang, Hui-Hui Guo, Shuai Huang, Chen-Lin Feng, Yan-Xing Han, Jian-Dong Jiang
Short-chain fatty acids (SCFAs) of intestine microbial have caught accumulating attention for their beneficial effects on human health. Botanic compounds with low bioavailability such as berberine (BBR) and resveratrol might interact with intestinal microbial ecosystem and promote gut bacteria to produce SCFA, which contribute to their biological effects. In the present study, a comprehensive assay system was built to detect SCFAs production in intestinal bacteria, in which stringent anaerobic culture was applied for in vitro bacterial fermentation, followed by direct-injection GC detection (chemical detection) in combination with real time polymerase chain reaction (RT-PCR, biological detection)...
July 1, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28505227/resveratrol-enhances-exercise-induced-cellular-and-functional-adaptations-of-skeletal-muscle-in-older-men-and-women
#12
Stephen E Alway, Jean L McCrory, Kalen Kearcher, Austen Vickers, Benjamin Frear, Diana L Gilleland, Daniel E Bonner, James M Thomas, David A Donley, Mathew W Lively, Junaith S Mohamed
Older men (n = 12) and women (n = 18) 65-80 years of age completed 12 weeks of exercise and took either a placebo or resveratrol (500 mg/d) to test the hypothesis that resveratrol treatment combined with exercise would increase mitochondrial density, muscle fatigue resistance and cardiovascular function more than exercise alone. Contrary to our hypothesis, aerobic and resistance exercise coupled with resveratrol treatment did not reduce cardiovascular risk further than exercise alone. However, exercise added to resveratrol treatment improved the indices of mitochondrial density, and muscle fatigue resistance more than placebo and exercise treatments...
May 13, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28501003/phytochemicals-for-taming-agitated-immune-endocrine-neural-axis
#13
REVIEW
Seema Patel
Homeostasis of immune-endocrine-neural axis is paramount for human health. If this axis gets agitated due to age, genetic variations, environmental exposures or lifestyle assaults, a cascade of adverse reactions occurs in human body. Cytokines, hormones and neurotransmitters, the effector molecules of this axis behave erratically, leading to a gamut of neural, endocrine, autoimmune, and metabolic diseases. Current panel of drugs can tackle some of them but not in a sustainable, benign way as a myriad of side effects, causal of them have been documented...
May 10, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28500309/resveratrol-inhibits-release-of-soluble-fms-like-tyrosine-kinase-sflt-1-and-soluble-endoglin-and-improves-vascular-dysfunction-implications-as-a-preeclampsia-treatment
#14
Natalie J Hannan, Fiona C Brownfoot, Ping Cannon, Minh Deo, Sally Beard, Tuong V Nguyen, Kirsten R Palmer, Stephen Tong, Tu'uhevaha J Kaitu'u-Lino
Preeclampsia is a disease of pregnancy associated with placental oxidative stress, inflammation and elevated release of anti-angiogenic factors sFlt-1 and soluble endoglin. These placental factors cause generalized maternal endothelial dysfunction. There are no treatments to halt disease progression; delivery is the only cure. Resveratrol modulates pathways involved in inflammation and oxidative stress and may offer a potential therapeutic for preeclampsia. Resveratrol reduced sFlt-1, sFlt-1 e15a and soluble endoglin secretion from primary trophoblasts and HUVECs and reduced mRNA expression of pro-inflammatory molecules NFκB, IL-6 and IL-1β in trophoblasts...
May 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28499732/activity-of-resveratrol-triesters-against-primary-acute-lymphoblastic-leukemia-cells
#15
Alicja Urbaniak, Magdalena Delgado, Karol Kacprzak, Timothy C Chambers
Resveratrol is a common polyphenol of plant origin known for its cancer prevention and other properties. Its wider application is limited due to poor water solubility, low stability, and weak bioavailability. To overcome these limitations, a series of 13 novel resveratrol triesters were synthesized previously. In this paper, we describe the synthesis of 3 additional derivatives and the activity of all 16 against primary acute lymphoblastic leukemia cells. Of these, 3 compounds were more potent than resveratrol (IC50=10...
May 9, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28499081/negative-correlation-between-serum-uric-acid-and-kidney-urat1-mrna-expression-caused-by-resveratrol-in-rats
#16
Cheng-Tse Lee, Li-Ching Chang, Ching-Wen Liu, Pei-Fung Wu
SCOPE: This study established a hyperuricemic rat model to elucidate the effect of resveratrol on the transport of UA in the kidney. METHODS AND RESULTS: Hyperuricemia was induced in rats through daily oral gavage of a potassium oxonate and UA mixture over 3 weeks. Our results revealed that resveratrol significantly reduced the serum UA levels but not creatinine, c-creative protein, alanine aminotransferase, or aspartate aminotransferase levels in these rats. Furthermore, renal URAT1 and OAT1 mRNA expression were significantly higher in the rats treated with allopurinol than in those with no treatment...
May 12, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28495310/resveratrol-inhibits-urban-particulate-matter-induced-cox-2-pge2-release-in-human-fibroblast-like-synoviocytes-via-the-inhibition-of-activation-of-nadph-oxidase-ros-nf-%C3%AE%C2%BAb
#17
Ming-Horng Tsai, Lee-Fen Hsu, Chiang-Wen Lee, Yao-Chang Chiang, Ming-Hsueh Lee, Jia-Mei How, Ching-Mei Wu, Chieh-Liang Huang, I-Ta Lee
Human fibroblast-like synoviocytes (FLSs) play a role in joint synovial inflammation in rheumatoid arthritis (RA). Some evidence indicates that particulate matter (PM) in air pollution could contribute to the progression of RA. However, more research is needed to clarify this relationship. Up-regulation of cyclooxygenase (COX)-2 and its metabolite prostaglandin E2 (PGE2) are implicated in various inflammatory diseases. Resveratrol, a polyphenol found mainly in grapes and red wine, has antioxidant and anti-inflammatory activities...
May 8, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28494457/resveratrol-protects-against-pulmonary-arterial-hypertension-in-rats-via-activation-of-silent-information-regulator-1
#18
Lei Yu, Yingfeng Tu, Xueling Jia, Kun Fang, Li Liu, Lin Wan, Chuanying Xiang, Yanan Wang, Xiangju Sun, Tianyou Liu, Dejun Yu, Weiwei Cao, Yinli Song, Yuhua Fan
BACKGROUND/OBJECTIVES: The polyphenol resveratrol (Rev) has been found to exhibit various beneficial effects including prevention of pulmonary arterial hypertension (PAH). The present study was designed to investigate the action and potential mechanism of Rev on PAH, focusing on the role of SIRT1 (Silent Information Regulator 1) in apoptosis of pulmonary artery smooth muscle cells (PASMCs). METHODS: PAH rats were established by exposure to hypoxia for 21 days. Rev and SRT1720 (a selective SIRT1 activator) were used to reverse PAH by gavaging rats...
May 11, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28492360/resveratrol-inhibits-periodontitis-related-bone-loss-in-rats-submitted-to-cigarette-smoke-inhalation
#19
Fernanda V Ribeiro, Danilo S Pino, Felipe C Franck, Bruno B Benatti, Howard Tenenbaum, Dip Perio, John E Davies, Suzana P Pimentel, Renato C Casarin, Fabiano R Cirano, Marcio Z Casati
BACKGROUND: Alternative therapeutic approaches have been explored in order to modulate the host's response to periodontal disease. The knowledge of new strategies to treat periodontitis is particularly relevant in patients presenting augmented risk to periodontitis, as smokers. The aim of this study was to investigate the impact of Resveratrol (RESV) on the progression of experimental periodontitis (EP) in the presence of cigarette smoke inhalation (CSI). METHODS: Rats were assigned to: CSI+RESV(n=20); CSI+placebo(n=20); Non-CSI(n=20)...
May 11, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28490373/thioredoxin-interacting-protein-links-endoplasmic-reticulum-stress-to-inflammatory-brain-injury-and-apoptosis-after-subarachnoid-haemorrhage
#20
Qing Zhao, Xudong Che, Hongxia Zhang, Pianpian Fan, Guanping Tan, Liu Liu, Dengzhi Jiang, Jun Zhao, Xiang Xiang, Yidan Liang, Xiaochuan Sun, Zhaohui He
BACKGROUND: Early brain injury (EBI) is considered a major contributor to the high morbidity and mortality associated with subarachnoid haemorrhage (SAH). Both of sterile inflammation and apoptosis are considered the important causes of EBI. Recently, it was confirmed that thioredoxin-interacting protein (TXNIP) not only participates in inflammatory amplification but also stimulates the apoptosis signalling cascade pathway. However, whether the effects of TXNIP influence the pathogenesis of SAH remains unclear...
May 11, 2017: Journal of Neuroinflammation
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