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https://www.readbyqxmd.com/read/28420192/thioredoxin-interacting-protein-mediates-apoptosis-in-early-brain-injury-after-subarachnoid-haemorrhage
#1
Qing Zhao, Xudong Che, Hongxia Zhang, Guanping Tan, Liu Liu, Dengzhi Jiang, Jun Zhao, Xiang Xiang, Xiaochuan Sun, Zhaohui He
Early brain injury (EBI) is considered to be the major factor associated with high morbidity and mortality after subarachnoid haemorrhage (SAH). Apoptosis is the major pathological mechanism of EBI, and its pathogenesis has not been fully clarified. Here, we report that thioredoxin-interacting protein (TXNIP), which is induced by protein kinase RNA-like endoplasmic reticulum (ER) kinase (PERK), participates in EBI by promoting apoptosis. By using adult male Sprague-Dawley rats to establish SAH models, as well as Terminal dexynucleotidyl transferase (TdT)-mediated dUTP nick end labeling (TUNEL) staining, immunofluorescence, and western blot, we found that TXNIP expression significantly increased after SAH in comparison to the sham group and peaked at 48 h (up to 3...
April 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28406974/resveratrol-reduces-the-apoptosis-induced-by-cigarette-smoke-extract-by-upregulating-mfn2
#2
Chao Song, Bailing Luo, Li Gong
PURPOSE: The aim of this study was to investigate the effect of resveratrol (RSV) on cigarette smoke extract (CSE)-induced cell apoptosis and mitochondrial dysfunction in vitro, as well as changes in the MFN2 expression level. METHODS: Cultured human bronchial epithelial (HBE) cells were initially treated with CSE to induce apoptosis, followed by incubation either with or without RSV. Numerous techniques were used to evaluate the outcomes of the present study, including a cell counting kit-8 assay, real-time quantitative polymerase chain reaction (real-time qPCR), western blotting, JC-1 fluorescence, Hoechst 33342 staining, Annexin V-PI flow cytometry apoptosis analyses, and siRNA technology...
2017: PloS One
https://www.readbyqxmd.com/read/28403379/effect-of-resveratrol-on-walking-performance-in-older-people-with-peripheral-artery-disease-the-restore-randomized-clinical-trial
#3
Mary M McDermott, Christiaan Leeuwenburgh, Jack M Guralnik, Lu Tian, Robert Sufit, Lihui Zhao, Michael H Criqui, Melina R Kibbe, James H Stein, Donald Lloyd-Jones, Stephen D Anton, Tamar S Polonsky, Ying Gao, Rafael de Cabo, Luigi Ferrucci
Importance: Research shows that resveratrol, a sirtuin activator in red wine, improves exercise endurance and skeletal-muscle oxidative metabolism in animals and may enhance vascular function in humans. Resveratrol supplement sales exceed $30 million annually in the United States, but few data are available regarding its efficacy in humans. Objective: To determine whether resveratrol, 125 mg/d or 500 mg/d, improves the 6-minute walk performance in patients with peripheral artery disease (PAD)...
April 12, 2017: JAMA Cardiology
https://www.readbyqxmd.com/read/28403343/lycopene-and-resveratrol-pretreatment-did-not-interfere-with-the-liver-of-hepatectomized-rats
#4
Pedro Paulo Barros, Gisele Mara Silva Gonçalves, Gustavo Henrique da Silva, Maria Clara Villaça Dias Bastos, Loren Nogaroto Ramos, Marilia Marinello Fernandes
Purpose: To investigate the effects of lycopene and resveratrol pretreatment on hepatic hyperplasia in partially hepatectomized rats. Methods: The lycopene group and the resveratrol group received 40 mg/kg/day of lycopene or resveratrol, respectively (dissolved in olive oil or in saline solution, respectively) and administered via a gastric tube for 30 days. The partially hepatectomzed (PH) control groups received saline or olive oil via a gastric tube for 30 days, respectively, and the normal control group received no treatment...
March 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28397161/alginate-nanoparticles-containing-curcumin-and-resveratrol-preparation-characterization-and-in-vitro-evaluation-against-du145-prostate-cancer-cell-line
#5
Pushkar Saralkar, Alekha K Dash
Curcumin and resveratrol are naturally occurring polyphenolic compounds having anti-cancer potential. However, their poor aqueous solubility and bioavailability limit their clinical use. Entrapment of hydrophobic drugs into hydrophilic nanoparticles such as calcium alginate presents a means to deliver these drugs to their target site. Curcumin and resveratrol-loaded calcium alginate nanoparticles were prepared by emulsification and cross-linking process. The nanoparticles were characterized for particle size, zeta potential, moisture content, physical state of the drugs, physical stability, and entrapment efficiency...
April 10, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28389713/skin-permeation-and-antioxidant-efficacy-of-topically-applied-resveratrol
#6
Cristina Alonso, M Martí, C Barba, V Carrer, L Rubio, L Coderch
The permeation of resveratrol was assessed by in vitro and in vivo experiments 24 h after topical administration. The in vitro profile of resveratrol was assessed by Raman spectroscopy. Human skin permeation was analysed in vivo by the tape stripping method with the progressive removal of the stratum corneum layers using adhesive tape strips. Moreover, the free radical scavenging activity of resveratrol after its topical application was determined using the DPPH assay. The Raman spectra indicated that the topically applied resveratrol penetrates deep into the skin...
April 7, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28389348/resveratrol-inhibits-lps-induced-mice-mastitis-through-attenuating-the-mapk-and-nf-%C3%AE%C2%BAb-signaling-pathway
#7
Xu Zhang, Yanan Wang, Chong Xiao, Zhengkai Wei, Jingjing Wang, Zhengtao Yang, Yunhe Fu
Resveratrol is a natural polyphenol extracted from mangy plants. It has been reported that resveratrol show multitudinous positive role in biology such as anti-oxidant, anti-nociception and anti-inflammatory effects. Therefore, the present study devotes to test the effect of resveratrol on LPS-induced mastitis in mice. Resveratrol was administered intraperitoneally 1 h before LPS treatment. And the anti-inflammatory effect of resveratrol was measured by histopathological examination, MPO assay, real-time PCR and western blotting analysis...
April 4, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28356027/natural-polyphenols-in-the-treatment-of-alzheimer-s-disease
#8
Syed Badrul Syarifah Noratiqah, Isa Naina-Mohamed, Mohamed S Zulfarina, H M S Qodriyah
Neurodegenerative disease is an incurable disease which involves the degeneration or death of the nerve cells. Alzheimer's Disease (AD) is a neurodegenerative disease discovered in 1906 by Alois Alzheimer, a German clinical psychiatrist and neuroanatomist. The main pathological hallmarks of this disease are the formation of extracellular amyloid β (Aβ) plaques and intracellular neurofibrillary tangle (NFT). The accumulation of the amyloid protein aggregates in the brain of AD patients leads to oxidative stress and inflammation...
March 28, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28350759/resveratrol-supplementation-reduces-pain-experience-by-postmenopausal-women
#9
Rachel H X Wong, Hamish M Evans, Peter R C Howe
OBJECTIVE: Pain is a common complaint among postmenopausal women. It has been postulated that vascular dysfunction caused by estrogen decline at menopause plays a key role in the initiation and progression of degradative joint disease, namely age-related osteoarthritis. We evaluated whether supplementation with resveratrol, a phytoestrogen, could improve aspects of well-being such as chronic pain that is commonly experienced by postmenopausal women. METHODS: A 14-week randomized, double-blind, placebo-controlled intervention with trans-resveratrol (75 mg, twice daily) was conducted in 80 healthy postmenopausal women...
March 27, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28340474/studying-the-effects-of-natural-extracts-with-metabolomics-a-longitudinal-study-on-the-supplementation-of-healthy-rats-with-polygonum-cuspidatum-sieb-et-zucc
#10
Gregorio Peron, Jalal Uddin, Matteo Stocchero, Stefano Mammi, Elisabetta Schievano, Stefano Dall'Acqua
BACKGROUND: A longitudinal study was performed to evaluate the effects of Polygonum cuspidatum extract (standardized at 20% resveratrol) supplementation on healthy rats. The effects were explored by monitoring urinary metabolome changes using UPLC-HRMS and (1)H NMR-based approaches. The aim of the study was to explore the effects of P. cuspidatum supplementation on a healthy animal model using metabolomics, in order to determine possible modes of action and obtain information on bioactivity...
June 5, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28339929/dietary-resveratrol-supplementation-prevents-transport-stress-impaired-meat-quality-of-broilers-through-maintaining-muscle-energy-metabolism-and-antioxidant-status
#11
C Zhang, L Wang, X H Zhao, X Y Chen, L Yang, Z Y Geng
This experiment was to evaluate the effect of dietary resveratrol (Res) supplementation (0, 400 mg/kg) on growth performance, meat quality, and muscle anaerobic glycolysis and antioxidant capacity of transported broilers. A total of 360 21-day-old male Cobb broilers was randomly allotted to 2 dietary treatments (Res-free group and Res group) with 12 replicates of 15 birds each. On the morning of d 42, after a 9-hour fast, 24 birds (2 birds of each replicate) were selected from the Res-free group and then equally placed into 2 crates, and the other 12 birds (one bird of each replicate) were selected from the Res group and then placed into the other crate...
March 2, 2017: Poultry Science
https://www.readbyqxmd.com/read/28338176/the-inhibitory-effect-of-resveratrol-on-cox-2-expression-in-human-colorectal-cancer-a-promising-therapeutic-strategy
#12
W-H Gong, N Zhao, Z-M Zhang, Y-X Zhang, L Yan, J-B Li
OBJECTIVE: The objective of this study is to investigate the mechanism of resveratrol (RSVL) on the inhibitory effect on the expression of COX-2 in human colorectal cancer. MATERIALS AND METHODS: In this study, we used the HCT-116 cells as the observation group, and the normal cells as the control group. The inhibitory effect induced by RSVL on the COX-2 expression in human colorectal cancer was investigated. For the observation group, cells were cultured in the nutrition solution with RSVL, while the cells in both control group (normal colon epithelial cells) and blank control group (none-treated HCT-116 cells) were cultured in the regular nutrition solution...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28338115/resveratrol-supplementation-in-patients-with-non-alcoholic-fatty-liver-disease-systematic-review-and-meta-analysis
#13
REVIEW
Ahmed Elgebaly, Ibrahim A I Radwan, Mohamed M AboElnas, Hamza H Ibrahim, Moutaz F M Eltoomy, Ahmed A Atta, Hend A Mesalam, Alaa A Sayed, Amr A Othman
BACKGROUND: Resveratrol is a potential treatment option for management of non-alcoholic fatty liver disease (NAFLD) due to its anti-inflammatory, antioxidant properties, and calorie restriction-like effects. We aimed to synthesise evidence from published randomized clinical trials (RCTs) about the efficacy of resveratrol in the management of NAFLD. METHODS: A computer literature search of PubMed, Scopus, Web of Science, and Cochrane Central was conducted using relevant keywords...
March 2017: Journal of Gastrointestinal and Liver Diseases: JGLD
https://www.readbyqxmd.com/read/28324165/lipid-phenol-and-carotenoid-changes-in-bianca-grapevine-leaves-after-mechanical-wounding-a-case-study
#14
Giulia Chitarrini, Luca Zulini, Domenico Masuero, Urska Vrhovsek
Metabolic changes can occur in plants in response to abiotic stress. Extensive use of leaf discs (mechanical wounding) in studies regarding the effect on the biochemical response of the grapevine to different types of biotic stress makes it necessary to understand metabolic perturbation after injury. In this study, we investigate how mechanical wounding can affect the metabolism of grapevine leaf tissue using Bianca variety as case study. Two sizes of leaf discs (1.1 and 2.8 cm in diameter) were excised from leaves, and phenol, lipid and carotenoid perturbation were investigated 0, 6, 12, 24, 48, 96 and 120 h post cutting...
March 21, 2017: Protoplasma
https://www.readbyqxmd.com/read/28323050/antiplasmodial-activity-of-mezoneuron-benthamianum-leaves-and-identification-of-its-active-constituents
#15
Olivia Jansen, Alembert T Tchinda, Jean Loua, Virginie Esters, Ewa Cieckiewicz, Allison Ledoux, Paul D Toukam, Luc Angenot, Monique Tits, Aliou M Balde, Michel Frédérich
ETHNOPHARMACOLOGICAL RELEVANCE: Decoctions of the leaves of M. benthamianum Baill. are used by traditional healers in Guinea to treat malaria and this use was validated by a preliminary clinical assay. AIM OF THE STUDY: To evaluate the in vitro antiplasmodial activity and to identify active compounds from extracts of M. benthamianum leaves. MATERIAL AND METHODS: Antiplasmodial activity of extracts, fractions and pure compounds was evaluated in vitro against a chloroquine-sensitive strain of Plasmodium falciparum (3D7) using the measurement of the plasmodial lactate dehydrogenase activity...
May 5, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28293048/differential-effects-of-resveratrol-on-the-expression-of-brain-derived-neurotrophic-factor-transcripts-and-protein-in-the-hippocampus-of-rat-brain
#16
Shahla Shojaei, Mohammad Reza Panjehshahin, Sayed Mohammad Shafiee, Zahra Khoshdel, Mohammad Borji, Ghasem Ghasempour, Ali Akbar Owji
BACKGROUND: The induction of brain-derived neurotrophic factor (BDNF) expression in the hippocampus has shown to play a role in the beneficial effects of resveratrol (RSV) on the learning and memory. The BDNF gene has a complicated structure with eight 5' noncoding exons (I-IXa), each of which can splice to a common coding exon (IX) to form a functional transcript. Estrogens increase levels of BDNF transcripts in the hippocampus of rats. The aim of this study was to evaluate the effects of the phytoestrogen, RSV, on the splicing pattern of BDNF transcripts and on the pro-BDNF protein in the hippocampi of mother rats and their embryos...
January 2017: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28271384/hairy-root-culture-optimization-and-resveratrol-production-from-vitis-vinifera-subsp-sylvesteris
#17
Sayed Mehdi Hosseini, Bahman Bahramnejad, Hamed Douleti Baneh, Aryo Emamifar, Paul H Goodwin
Resveratrol is a polyphenolic compound produced in very low levels in grapes. To achieve high yield of resveratrol in wild grape, three Agrobacterium rhizogenes strains, Ar318, ArA4 and LBA9402, were used to induce hairy roots following infection of internodes, nodes or petioles of in vitro grown Vitis vinifera subsp. sylvesteris accessions W2 and W16, and cultivar Rasha. The effects of inoculation time, age of explants, bacterial concentration and co-cultivation times were examined on the efficiency of the production of hairy roots...
April 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28243886/preparation-nanocrystals-of-poorly-soluble-plant-compounds-using-an-ultra-small-scale-approach
#18
Tao Liu, Guili Yao, Xiaotian Liu, Haipeng Yin
The usage of downscaling technology for producing nanosuspensions/nanocrystals can be beneficial for formulation development, which has attracted increased attention recently. An ultra-small bead milling method (5 mg compound per batch, smallest scale to date) was tested to produce nanocrystals of four poorly soluble plant compounds, i.e., quercetin, rutin, resveratrol, and hesperidin. A particle size of ranged from 200 to 500 nm was obtained for nanosuspensions of four compounds and the stabilizer selection could be achieved within 2 h by using this ultra-small bead milling method...
February 27, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/28242573/biorelevant-physicochemical-profiling-of-e-and-z-resveratrol-determined-from-isomeric-mixtures
#19
Gábor Orgován, Imre Gonda, Béla Noszál
Biorelevant, isomer-specific physicochemical parameters of resveratrol, a multifunctional component in red wines, with cardioprotective, anti-Alzheimer and several other pharmacologic activities were determined. The parameters include site-specific basicities, lipophilicities, solubilities and diffusion constants for the two geometric isomers. The protonation equilibria of (E)- and (Z)-resveratrol were monitored by (1)H NMR-pH titrations. Five closely related auxiliary compounds ((E)-pinostilbene, (Z)-pinostilbene, (E)-pterostilbene, (Z)-pterostilbene and resorcinol) were also studied...
December 19, 2016: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28235489/resveratrol-stimulates-mitochondrial-fusion-by-a-mechanism-requiring-mitofusin-2
#20
Ellen L Robb, Fereshteh Moradi, Lucas A Maddalena, Andrew J F Valente, Joao Fonseca, Jeffrey A Stuart
Resveratrol (RES) is a plant-derived stilbene associated with a wide range of health benefits. Mitochondria are a key downstream target of RES, and in some cell types RES promotes mitochondrial biogenesis, altered cellular redox status, and a shift toward oxidative metabolism. Mitochondria exist as a dynamic network that continually remodels via fusion and fission processes, and the extent of fusion is related to cellular redox status and metabolism. We investigated RES's effects on mitochondrial network morphology in several cell lines using a quantitative approach to measure the extent of network fusion...
April 1, 2017: Biochemical and Biophysical Research Communications
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