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Resveratrol

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https://www.readbyqxmd.com/read/28088019/melatonin-and-resveratrol-reverse-the-toxic-effect-of-high-boron-b-and-modulate-biochemical-parameters-in-pepper-plants-capsicum-annuum-l
#1
Eleana Sarafi, Pavlos Tsouvaltzis, Christos Chatzissavvidis, Anastasios Siomos, Ioannis Therios
The objectives of this research were to test a possible involvement of melatonin (MEL) and resveratrol (RES) in restoring growth and to control boron (B) toxicity in peppers. The plants were subjected to four different nutrient solution treatments as following: 1) half-strength Hoagland's nutrient solution (Control), 2) half-strength Hoagland's nutrient solution+100 μM B (100 μMB), 3) half-strength Hoagland's nutrient solution+100 μM boron+100 μMresveratrol (100 μMRES), and 4) half-strength Hoagland's nutrient solution+100 μM B+1 μMmelatonin (1 μM MEL)...
December 23, 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28086917/resveratrol-regulates-neuro-inflammation-and-induces-adaptive-immunity-in-alzheimer-s-disease
#2
Charbel Moussa, Michaeline Hebron, Xu Huang, Jaeil Ahn, Robert A Rissman, Paul S Aisen, R Scott Turner
BACKGROUND: Treatment of mild-moderate Alzheimer's disease (AD) subjects (N = 119) for 52 weeks with the SIRT1 activator resveratrol (up to 1 g by mouth twice daily) attenuates progressive declines in CSF Aβ40 levels and activities of daily living (ADL) scores. METHODS: For this retrospective study, we examined banked CSF and plasma samples from a subset of AD subjects with CSF Aβ42 <600 ng/ml (biomarker-confirmed AD) at baseline (N = 19 resveratrol-treated and N = 19 placebo-treated)...
January 3, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28081224/resveratrol-impairs-glioma-stem-cells-proliferation-and-motility-by-modulating-the-wnt-signaling-pathway
#3
Chiara Cilibrasi, Gabriele Riva, Gabriele Romano, Massimiliano Cadamuro, Riccardo Bazzoni, Valentina Butta, Laura Paoletta, Leda Dalprà, Mario Strazzabosco, Marialuisa Lavitrano, Roberto Giovannoni, Angela Bentivegna
Glioblastoma multiforme (GBM) is a grade IV astrocytoma and the most common form of malignant brain tumor in adults. GBM remains one of the most fatal and least successfully treated solid tumors: current therapies provide a median survival of 12-15 months after diagnosis, due to the high recurrence rate. Glioma Stem Cells (GSCs) are believed to be the real driving force of tumor initiation, progression and relapse. Therefore, better therapeutic strategies GSCs-targeted are needed. Resveratrol is a polyphenolic phytoalexin found in fruits and vegetables displaying pleiotropic health benefits...
2017: PloS One
https://www.readbyqxmd.com/read/28081154/sensitization-of-radioresistant-prostate-cancer-cells-by-resveratrol-isolated-from-arachis-hypogaea-stems
#4
Yu-An Chen, Hsiu-Man Lien, Min-Chuan Kao, U-Ging Lo, Li-Chiung Lin, Chun-Jung Lin, Sheau-Jiun Chang, Chia-Chang Chen, Jer-Tsong Hsieh, Ho Lin, Chih-Hsin Tang, Chih-Ho Lai
Resveratrol (RV, 3,4',5-trihydroxystilbene) is naturally produced by a wide variety of plants including grapes and peanuts (Arachis hypogaea). However, the yield of RV from peanut stem and its potential radiosensitizing effects in prostate cancer (PCa) have not been well investigated. In this study, we characterized RV in peanut stem extract (PSE) for the first time and showed that both RV and PSE dose-dependently induced cell death in DOC-2/DAB2 interactive protein (DAB2IP)-deficient PCa cells with the radioresistant phenotype...
2017: PloS One
https://www.readbyqxmd.com/read/28079008/walking-a-tightrope-a-perspective-of-resveratrol-effects-on-breast-cancer
#5
Caterina Bartolacci, Cristina Andreani, Augusto Amici, Cristina Marchini
It is an acknowledged fact that health benefits are derived from fruit- and vegetables-enriched diets. In particular, polyphenols, compounds bearing one or more hydroxyl groups attached to an aromatic ring, are ascribed for most of such beneficial effects. Among them, resveratrol, a phytoalexin found in numerous plant species, and more notably in grapes, has widely piqued the interest of the scientific community by virtue of its anti-aging, anti-inflammatory and anti-oxidant properties. Moreover, evidence claiming resveratrol ability to hinder processes underlying all the three steps of carcinogenesis (tumor initiation, progression and metastasization) has propelled an incredibly massive number of studies aimed at enquiring its eventual clinical potential in the fight against cancer...
January 11, 2017: Current Protein & Peptide Science
https://www.readbyqxmd.com/read/28075467/resveratrol-suppresses-human-hepatocellular-carcinoma-via-targeting-hgf-c-met-signaling-pathway
#6
Feng Gao, Gang Deng, Wenbin Liu, Kechao Zhou, Ming Li
Resveratrol, one of the major polyphenols found in red wine, is suggested to have a role as a chemo-prevention or chemotherapy agent in various human cancer models. Herein, we report that resveratrol has a profound antitumor effect on human hepatocellular carcinoma (HCC) cells by down-regulation of the HGF-c-Met signaling pathway. Resveratrol inhibited anchorage-dependent and -independent growth of HCC cells in a dose-dependent manner. Short-term resveratrol exposure substantially decreased HGF-induced c-Met signaling pathway activation, and long-term exposure to resveratrol markedly inhibited c-Met expression on the cell membrane...
January 3, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28071713/sinonasal-delivery-of-resveratrol-via-mucoadhesive-nanostructured-microparticles-in-a-nasal-polyp-mouse-model
#7
Mingyu Lee, Chun Gwon Park, Beom Kang Huh, Se-Na Kim, Seung Ho Lee, Roza Khalmuratova, Jong-Wan Park, Hyun-Woo Shin, Young Bin Choy
Resveratrol (RSV) has been shown to effectively suppress chronic rhinosinusitis with nasal polyps in a mouse model; however, when locally administered to the sinonasal cavity, bolus RSV is limited by low drug bioavailability owing to its low aqueous solubility and relatively rapid clearance from the administration site. To address this limitation, we propose mucoadhesive nanostructured microparticles (PLGA/PEG NM) as a potential carrier for the sinonasal delivery of RSV. In this study, PLGA/PEG NM released RSV in a sustained manner...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28071008/microwave-assisted-extraction-of-phenolic-compounds-from-polygonum-multiflorum-thunb-roots
#8
Le Pham Tan Quoc, Nguyen Van Muoi
BACKGROUND: The aim of this study was to determine the best extraction conditions for total phenolic content (TPC) and antioxidant capacity (AC) of Polygonum multiflorum Thunb. root using microwave-assisted extraction (MAE). METHODS: The raw material used was Polygonum multiflorum Thunb. root powder. Five factors such as solvent type, solvent concentrations, solvent/material ratio, extraction time and microwave power were studied; TPC and AC values were determined by the Folin-Ciocalteu method and DPPH free radical scavenging activity measurement, respectively...
April 2016: Acta Scientiarum Polonorum. Technologia Alimentaria
https://www.readbyqxmd.com/read/28070834/resveratrol-modulates-gsh-system-in-c6-astroglial-cells-through-heme-oxygenase-1-pathway
#9
Bernardo Assein Arús, Débora Guerini Souza, Bruna Bellaver, Diogo Onofre Souza, Carlos-Alberto Gonçalves, André Quincozes-Santos, Larissa Daniele Bobermin
Resveratrol is a dietary polyphenol that displays neuroprotective properties in several in vivo and in vitro experimental models, by modulating oxidative and inflammatory responses. Glutathione (GSH) is a key antioxidant in the central nervous system (CNS) that modulates several cellular processes, and its depletion is associated with oxidative stress and inflammation. Therefore, this study sought to investigate the protective effects of resveratrol against GSH depletion pharmacologically induced by buthionine sulfoximine (BSO) in C6 astroglial cells, as well as its underlying cellular mechanisms...
January 9, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28070709/influence-of-resveratrol-on-endoplasmic-reticulum-stress-and-expression-of-adipokines-in-adipose-tissues-adipocytes-induced-by-high-calorie-diet-or-palmitic-acid
#10
Li Chen, Ting Wang, Guanjun Chen, Nuojin Wang, Li Gui, Fang Dai, Zhaohui Fang, Qiu Zhang, Yunxia Lu
PURPOSE: This study aimed to determine whether resveratrol treatment alleviates endoplasmic reticulum stress and changes the expression of adipokines in adipose tissues and cells. METHODS: 8-week-old male C57BL/6 mice were fed a high-calorie diet (HCD group) or high-calorie diet supplemented with resveratrol (high-calorie diet  + resveratrol group) for 3 months. Insulin resistance, serum lipids and proinflammatory indices, the size and inflammatory cell infiltration in subcutaneous and visceral adipose tissues were analyzed...
January 9, 2017: Endocrine
https://www.readbyqxmd.com/read/28070318/piceatannol-exhibits-anti-inflammatory-effects-on-macrophages-interacting-with-adipocytes
#11
Takayuki Yamamoto, Yongjia Li, Yuki Hanafusa, Yu-Sheng Yeh, Hiroko Maruki-Uchida, Shinpei Kawakami, Masahiko Sai, Tsuyoshi Goto, Tatsuhiko Ito, Teruo Kawada
Piceatannol (PIC), a natural analog of resveratrol (RES), is a phytochemical found in passion fruit seeds. To clarify the effects of PIC on obesity-induced inflammation in adipose tissue, we investigated the anti-inflammatory activity of PIC-related compounds (PIC, RES, and metabolites from PIC) in culture models of obese adipose tissue. Lipopolysaccharide (LPS) and conditioned medium from 3T3-L1 adipocytes (3T3-L1-CM) enhanced proinflammatory gene expression and synthesis of nitric oxide (NO), tumor necrosis factor-α (TNF-α), and interleukin-6 (IL-6) in RAW264...
January 2017: Food Science & Nutrition
https://www.readbyqxmd.com/read/28070015/inhaled-resveratrol-treatments-slow-ageing-related-degenerative-changes-in-mouse-lung
#12
Barbara Driscoll, Sonia Navarro, Raghava Reddy, Jooeun Lee, David Warburton
BACKGROUND: Lung ageing, a significant risk factor for chronic human lung diseases such as COPD and emphysema, is characterised by airspace enlargement and decreasing lung function. Likewise, in prematurely ageing telomerase null (terc-/-) mice, p53 stabilisation within diminishing numbers of alveolar epithelial type 2 cells (AEC2) accompanies reduced lung function. Resveratrol (RSL) is a plant phytoalexin that has previously showed efficacy in enhancing invertebrate longevity and supporting mammalian muscle metabolism when delivered orally...
January 9, 2017: Thorax
https://www.readbyqxmd.com/read/28069190/rsm-and-ann-modeling-based-optimization-approach-for-the-development-of-ultrasound-assisted-liposome-encapsulation-of-piceid
#13
Shang-Ming Huang, Chia-Hung Kuo, Chun-An Chen, Yung-Chuan Liu, Chwen-Jen Shieh
Piceid, a naturally occurring derivative of resveratrol found in many plants, has recently been considered as a potential nutraceutical. However, its poorly water-soluble property could cause a coupled problem of biological activities concerning drug dispersion and absorption in human body, which is still unsolved now. Liposome, a well-known aqueous carrier for water-insoluble ingredients, is commonly applied in drug delivery systems. In this study, a feasible approach for solving the problem is that the targeted piceid was encapsulated into a liposomal formula as aqueous substrate to overcome its poor water-solubility...
May 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28069066/anti-inflammatory-effect-of-resveratrol-in-human-coronary-arterial-endothelial-cells-via-induction-of-autophagy-implication-for-the-treatment-of-kawasaki-disease
#14
Fu-Chen Huang, Ho-Chang Kuo, Ying-Hsien Huang, Hong-Ren Yu, Sung-Chou Li, Hsing-Chun Kuo
BACKGROUND: Kawasaki disease (KD) is an acute febrile vasculitis in childhood, which is the leading cause of acquired heart disease in children. If untreated, KD can result in coronary aneurysms in 25% of patients, and even under intravenous immunoglobulin (IVIG) treatment, 10-20% of children will have IVIG resistance and increased risk of developing coronary arteritis complication. Additional therapies should be explored to decrease the incidence of coronary artery lesions and improve the prognosis in KD...
January 9, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28067817/resveratrol-potential-therapeutic-interest-in-joint-disorders-a-critical-narrative-review
#15
REVIEW
Christelle Nguyen, Jean-François Savouret, Magdalena Widerak, Marie-Thérèse Corvol, François Rannou
Trans-resveratrol (t-Res) is a natural compound of a family of hydroxystilbenes found in a variety of spermatophyte plants. Because of its effects on lipids and arachidonic acid metabolisms, and its antioxidant activity, t-Res is considered as the major cardioprotective component of red wine, leading to the "French Paradox" health concept. In the past decade, research on the effects of resveratrol on human health has developed considerably in diverse fields such as cancer, neurodegenerative and cardiovascular diseases, and metabolic disorders...
January 6, 2017: Nutrients
https://www.readbyqxmd.com/read/28067267/polydatin-protects-the-respiratory-system-from-pm2-5-exposure
#16
Xiao-Dan Yan, Qi-Ming Wang, Cai Tie, Hong-Tao Jin, Yan-Xing Han, Jin-Lan Zhang, Xiao-Ming Yu, Qi Hou, Piao-Piao Zhang, Ai-Ping Wang, Pei-Cheng Zhang, Zhonggao Gao, Jian-Dong Jiang
Atmospheric particle is one of the risk factors for respiratory disease; however, their injury mechanisms are poorly understood, and prevention methods are highly desirable. We constructed artificial PM2.5 (aPM2.5) particles according to the size and composition of actual PM2.5 collected in Beijing. Using these artificial particles, we created an inhalation-injury animal model. These aPM2.5 particles simulate the physical and chemical characteristics of the actual PM2.5, and inhalation of the aPM2.5 in rat results in a time-dependent change in lung suggesting a declined lung function, injury from oxidative stress and inflammation in lung...
January 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28065820/bioavailability-enhanced-resveramax%C3%A2-modulates-quorum-sensing-and-inhibits-biofilm-formation-in-pseudomonas-aeruginosa-pao1
#17
H S Vasavi, H V Sudeep, H B Lingaraju, K Shyam Prasad
Quorum sensing (QS), a cell-to-cell communication mechanism present in many bacterial species plays a key role in regulating the virulence factor and biofilm formation in many pathogens, which causes severe public health risk. Therefore, interfering with QS mechanism offers an attractive strategy to combat bacterial infections. In the present study, anti-QS activity of a novel resveratrol formulation, Resveramax™, was detected using Chromobacterium violaceum biosensor bioassay and the effect of Resveramax on QS-regulated phenotypes in Pseudomonas aeruginosa PAO1 was assessed by standard protocols...
January 5, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28064408/resveratrol-mediated-expression-of-klf15-in-the-ischemic-myocardium-is-associated-with-an-improved-cardiac-phenotype
#18
Russell G Rogers, Jeffrey S Otis
PURPOSE: Myocardial infarction results in physiological derangements that lead to structural and functional alterations to the myocardium. In addition, oxidative stress potentiates cardiac remodeling and drives disease progression. Unfortunately, treatment with antioxidants in clinical trials have failed to show any therapeutic benefits despite the positive results reported in animal studies, which warrants further investigation into their mechanism(s) of action. Accordingly, the aim of this study was to elucidate a previously unknown mechanism of action for the antioxidant, resveratrol, in the treatment of the ischemic heart...
January 7, 2017: Cardiovascular Drugs and Therapy
https://www.readbyqxmd.com/read/28064079/tacrine-resveratrol-fused-hybrids-as-multi-target-directed-ligands-against-alzheimer-s-disease
#19
Jakub Jeřábek, Elisa Uliassi, Laura Guidotti, Jan Korábečný, Ondřej Soukup, Vendula Sepsova, Martina Hrabinova, Kamil Kuča, Manuela Bartolini, Luis Emiliano Peña-Altamira, Sabrina Petralla, Barbara Monti, Marinella Roberti, Maria Laura Bolognesi
Multi-target drug discovery is one of the most followed approaches in the active central nervous system (CNS) therapeutic area, especially in the search for new drugs against Alzheimer's disease (AD). This is because innovative multi-target-directed ligands (MTDLs) could more adequately address the complexity of this pathological condition. In a continuation of our efforts aimed at a new series of anti-AD MTDLs, we combined the structural features of the cholinesterase inhibitor drug tacrine with that of resveratrol, which is known for its purported antioxidant and anti-neuroinflammatory activities...
December 26, 2016: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28064058/pectin-zinc-chitosan-polyethylene-glycol-colloidal-nano-suspension-as-a-food-grade-carrier-for-colon-targeted-delivery-of-resveratrol
#20
Hashem Andishmand, Mahnaz Tabibiazar, Mohammad Amin Mohammadifar, Hamed Hamishehkar
The aim of the present study was to develop chitosan-zinc-pectinate-polyethylene glycol (PEG) nanoparticles (NPs) for colon-targeted delivery of resveratrol. The effects of pectin:ZnCl2:chitosan (PZnC) % w/v, pH and ionic strength of media, and addition of PEG on the colloidal stability and release behavior of resveratrol from NPs were examined by Zeta potential, particle size analyzer, scanning electron microscopy (SEM), and Fourier transform-infrared (FTIR) methods. The particle size and Zeta potential of PZnC NPs in the ratio of 10:1:3% w/v were 399±18nm and +25±1mV, respectively...
January 5, 2017: International Journal of Biological Macromolecules
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