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Resveratrol h

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https://www.readbyqxmd.com/read/29627302/inhibitive-effect-of-resveratrol-on-the-inflammation-in-cultured-astrocytes-and-microglia-induced-by-a%C3%AE-1-42
#1
Haifeng Zhao, Qian Wang, Xuejiao Cheng, Xuemin Li, Na Li, Tiantian Liu, Jing Li, Qian Yang, Ruirui Dong, Yusen Zhang, Luping Zhang
Astrocytes and microglia appear central to the initiation and progression of neuroinflammation in Alzheimer's disease (AD). In this study, inflammation was mimicked by Aβ1-42 treatment of rat astrocytes (RA) and N9 microglia cell lines. Inflammation induced by Aβ1-42 can be inhibited by pyrrolidinedithiocarbamicacid (PDTC), indicating that the NF-κB signal pathway is involved in the inflammation. Then, the inhibitive effects of resveratrol (Res) on the inflammation in RA and N9 cells were assessed by observing the changes in inflammatory factors, chemokines, cell cycle and adhesion molecules on the cell surface...
April 5, 2018: Neuroscience
https://www.readbyqxmd.com/read/29623912/cerebral-ischemia-and-neuroregeneration
#2
REVIEW
Reggie H C Lee, Michelle H H Lee, Celeste Y C Wu, Alexandre Couto E Silva, Harlee E Possoit, Tsung-Han Hsieh, Alireza Minagar, Hung Wen Lin
Cerebral ischemia is one of the leading causes of morbidity and mortality worldwide. Although stroke (a form of cerebral ischemia)-related costs are expected to reach 240.67 billion dollars by 2030, options for treatment against cerebral ischemia/stroke are limited. All therapies except anti-thrombolytics (i.e., tissue plasminogen activator) and hypothermia have failed to reduce neuronal injury, neurological deficits, and mortality rates following cerebral ischemia, which suggests that development of novel therapies against stroke/cerebral ischemia are urgently needed...
March 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29620223/resveratrol-decreases-rad51-expression-and-sensitizes-cisplatin%C3%A2-resistant-mcf%C3%A2-7-breast-cancer-cells
#3
I Leon-Galicia, J Diaz-Chavez, M E Albino-Sanchez, E Garcia-Villa, R Bermudez-Cruz, J Garcia-Mena, L A Herrera, A García-Carrancá, P Gariglio
Resveratrol (RES), a polyphenol compound with anti‑proliferative properties, has been previously evaluated for its beneficial effects against a variety of tumour cells. The current study elucidated the means by which RES enhances the anti‑proliferative effects of cisplatin (CIS) on MCF‑7 cells, focusing on the inhibitory effects on DNA repair of double‑strand breaks (DSBs). Chemoresistant MCF‑7 cells (MCF‑7R) were generated by continuous exposure to low concentrations of CIS (10 µM CIS‑IC40) during 5 passages, with the IC50 value increasing ~3‑fold...
March 27, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29614660/stimulation-of-sirt1-attenuates-the-level-of-oxidative-stress-in-the-brains-of-app-ps1-double-transgenic-mice-and-in-primary-neurons-exposed-to-oligomers-of-the-amyloid-%C3%AE-peptide
#4
Yang-Ting Dong, Kun Cao, Long-Chun Tan, Xiao-Ling Wang, Xiao-Lan Qi, Yan Xiao, Zhi-Zhong Guan
In the study, we examined whether the silent information regulator 1 (SIRT1) can attenuate oxidative stress in the brains of mice carrying the APP/PS1 double mutation and/or in primary neonatal rat neurons exposed to oligomers of amyloid-β peptide (AβOs). Starting at 4 or 8 months of age, the transgenic mice were treated with resveratrol (RSV, a stimulator of SIRT1) or suramin (an inhibitor) (each 20 mg/kg BW/day) for two months. The primary neurons were exposed to AβOs (0.5 μM) for 48 h and thereafter RSV (20 μM) or suramin (300 mg/ml) for 24 h...
March 24, 2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29611100/resveratrol-acts-anti-inflammatory-and-neuroprotective-in-an-infant-rat-model-of-pneumococcal-meningitis-by-modulating-the-hippocampal-mirnome
#5
Karina Barbosa de Queiroz, Thaís Dos Santos Fontes Pereira, Márcio Sobreira Silva Araújo, Ricardo Santiago Gomez, Roney Santos Coimbra
Resveratrol (RSV) is anti-inflammatory and neuroprotective, cross the blood-brain barrier (BBB) and has a safe profile. Besides, RSV modulates the expression of some miRNAs related to neurological disorders. Thus, we hypothesized that RSV can be neuroprotective in pneumococcal meningitis by modulating the global microRNA expression profile (miRNome). Eleven-day old rats were intracysternally infected with S. pneumoniae (~ 2 × 106 c.f.u.) and were orally administered with RSV (50 mg/kg) or vehicle in pre-treatment (before infection) or post-treatment schedules (3 and 18 h p...
April 2, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29611086/resveratrol-as-an-effective-adjuvant-therapy-in-the-management-of-rheumatoid-arthritis-a-clinical-study
#6
Hani M Khojah, Sameh Ahmed, Mahran S Abdel-Rahman, Eman H Elhakeim
Resveratrol (RSV), a naturally occurring polyphenol, has been found to have potent antioxidant, anti-inflammatory, and anticancer effects. Recently, RSV was reported as a new potential agent to suppress inflammation of collagen-induced arthritis in a mouse model. Nevertheless, the clinical benefits of RSV in the management of rheumatoid arthritis (RA) were not studied. This randomized controlled clinical trial aims to shed some light on the therapeutic benefits of RSV in the treatment of RA in patients with different stages of the disease activity...
April 3, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29609003/fluoride-induces-apoptosis-via-inhibiting-sirt1-activity-to-activate-mitochondrial-p53-pathway-in-human-neuroblastoma-sh-sy5y-cells
#7
Wei Tu, Qian Zhang, Yin Liu, Lianyong Han, Qin Wang, Panpan Chen, Shun Zhang, Aiguo Wang, Xue Zhou
There has been a great concern about the neurotoxicity of fluoride since it can pass through the blood-brain barrier and accumulate in the brain. It has been suggested that apoptosis plays a vital role in neurotoxicity of fluoride. However, whether p53-mediated apoptotic pathway is involved is still unclear. Our results showed that apoptosis was induced after treatment with 40 and 60 mg/L of NaF for 24 h in human neuroblastoma SH-SY5Y cells. Exposure to 60 mg/L of NaF for 24 h significantly upregulated the levels of p53 and apoptosis-related proteins including PUMA, cytochrome c (cyto c), cleaved caspase-3 and cleaved PARP, whereas downregulated Bcl-2 in SH-SY5Y cells...
March 30, 2018: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29600625/-effect-of-microrna-34a-sirt1-p53-signal-pathway-on-notoginsenoside-r%C3%A2-delaying-vascular-endothelial-cell-senescence
#8
Xiao-Hua Lai, Yan Lei, Jing Yang, Cheng-Kui Xiu
This study aimed to investigate the effect of notoginsenoside R₁ in delaying H₂O₂-induced vascular endothelial cell senescence through microRNA-34a/SIRT1/p53 signal pathway. In this study, human umbilical vein endothelial cells(HUVECs) were selected as the study object; the aging model induced by hydrogen peroxide(H₂O₂) was established, with resveratrol as the positive drug. HUVECs were randomly divided into four groups, youth group, senescence model group, notoginsenoside R₁ group and resveratrol group...
February 2018: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/29565511/protective-effect-of-resveratrol-on-kidney-in-rats-with-diabetic-nephropathy-and-its-effect-on-endoplasmic-reticulum-stress
#9
D Yuan, X-M Liu, Z Fang, L-L Du, J Chang, S-H Lin
OBJECTIVE: Diabetic nephropathy (DN) can cause chronic renal insufficiency and significantly reduce the life quality of patients with diabetes mellitus, and may eventually lead to death. The study investigated the expression of endoplasmic reticulum stress-related factors, which have important roles in the progress of DN and to explore effects of resveratrol on DN and the possible mechanism. MATERIALS AND METHODS: Specific pathogen free (SPF) grade healthy male Sprague Dawley (SD) rats were divided into different groups for different treatments...
March 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29552213/expression-of-genes-and-proteins-of-multidrug-resistance-in-gastric-cancer-cells-treated-with-resveratrol
#10
Katarzyna Mieszala, Malgorzata Rudewicz, Agnieszka Gomulkiewicz, Katarzyna Ratajczak-Wielgomas, Jedrzej Grzegrzolka, Piotr Dziegiel, Sylwia Borska
Multidrug resistance (MDR) is a notable problem in the use of chemotherapy. Therefore, studies aimed at identifying substances capable of overcoming resistance of cancer cells are required. Examples of these compounds are polyphenols, including resveratrol, that exert a range of various biological activities. The aim of the present study was to demonstrate the effect of 3,5,4'-trihydroxy- trans -stilbene (resveratrol) on the expression of ATP binding cassette subfamily B member 1, Annexin A1 ( ANXA1 ) and thioredoxin ( TXN ) genes, and the proteins encoded by these genes, which are associated with MDR...
April 2018: Oncology Letters
https://www.readbyqxmd.com/read/29546309/supplementation-with-resveratrol-and-curcumin-does-not-affect-the-inflammatory-response-to-a-high-fat-meal-in-older-adults-with-abdominal-obesity-a-randomized-placebo-controlled-crossover-trial
#11
Cécile Vors, Charles Couillard, Marie-Eve Paradis, Iris Gigleux, Johanne Marin, Marie-Claude Vohl, Patrick Couture, Benoît Lamarche
Background: High-fat meals induce postprandial inflammation. Resveratrol is a polyphenol known to prevent comorbidities associated with cardiovascular disease and exerts an anti-inflammatory action. There is also an increasing body of evidence supporting the role of curcumin, a polyphenol from the curcuminoid family, as a modulator of proinflammatory processes. Objective: The objectives of this study were to investigate the following: 1) the bioavailability of resveratrol consumed in combination with curcumin after consumption of a high-fat meal; and 2) the acute combined effects of this combination on the postprandial inflammatory response of subjects with abdominal obesity...
March 1, 2018: Journal of Nutrition
https://www.readbyqxmd.com/read/29543522/diet-therapy-for-cancer-prevention-and-treatment-based-on-traditional-persian-medicine
#12
Behjat Javadi
Cancer is the second leading cause of death with profound socio-economic consequences worldwide. Growing evidence suggests the crucial role of diet on cancer prevention and treatment. In Traditional Persian Medicine (TPM) there is a major focus on contribution of special diet and foods to cancer management. In the present article, the cytotoxic and antitumor activities of several food items including plants and animal products recommended by TPM as anticancer agents are discussed. Strong evidence supports the anticancer effects of beetroot (Beta vulgris) and its major compound betanin, cinnamon and cinnamaldehyde, barley (H...
March 15, 2018: Nutrition and Cancer
https://www.readbyqxmd.com/read/29538230/enhanced-platelet-function-in-cold-stored-whole-blood-supplemented-with-resveratrol-or-cytochrome-c
#13
Michael L Ekaney, Gabrielle Gonzalez Gray, Iain H McKillop, Susan L Evans
BACKGROUND: Limited availability and use of whole blood (WB) following trauma is driven by perceptions that hemostatic function is limited by platelet dysfunction within 5 days storage. We sought to define the hemostatic function of WB stored at 4°C for up to 25 days, elucidate changes in metabolic parameters and mitochondrial dysfunction in platelets in WB, and the effect of supplementation using resveratrol (Res) or cytochrome c (Cyt c). METHODS: WB was collected, aliquoted, and stored at 4°C without agitation...
March 12, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29532445/combinatorial-preconditioning-of-rat-brain-cultures-with-subprotective-ethanol-and-resveratrol-concentrations-promotes-synergistic-neuroprotection
#14
N Khodaie, N Tajuddin, R M Mitchell, E J Neafsey, M A Collins
Preconditioning brain cultures with moderate concentrations of ethanol (EtOH) or trans-resveratrol (RES), key red wine constituents, can prevent amyloid-β (Aβ) neurotoxicity. Past studies have indicated that moderate EtOH activates synaptic N-methyl-D-aspartate receptors (NMDAR) that, in part, signal via protein kinase C (PKC) to increase protective antioxidant proteins such as peroxiredoxin-2 (Prx2). RES preconditioning also is reported to involve NMDAR and PKC. However, although moderate, the EtOH and RES concentrations used have been noticeably above circulating levels from two glasses of wine, a daily intake linked to reduced risk of cognitive decline among older social drinkers...
March 12, 2018: Neurotoxicity Research
https://www.readbyqxmd.com/read/29526017/resveratrol-prevents-the-cellular-damages-induced-by-monocrotophos-via-pi3k-signaling-pathway-in-human-cord-blood-mesenchymal-stem-cells
#15
S Jahan, D Kumar, S Singh, V Kumar, A Srivastava, A Pandey, C S Rajpurohit, V K Khanna, A B Pant
The role of resveratrol (RV) as a neuroprotectant is well recognized, and cellular molecules involved in imparting the physiological effect have been well illustrated. However, some ambiguity still prevails as the specific receptor, and downstream signaling molecules are not yet clearly stated. So, we investigated the signaling pathway(s) involved in its cellular protection in the human umbilical cord blood mesenchymal stem cell (hUCB-MSC) derived neuronal cells. The mesenchymal stem cells were exposed to various concentrations (10, 100, 1000 μM) of monocrotophos (MCP), a known developmental neurotoxic organophosphate pesticide, for a period of 24 h...
March 10, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29510506/resveratrol-inhibits-porcine-intestinal-glucose-and-alanine-transport-potential-roles-of-na%C3%A2-%C2%BA-k%C3%A2-%C2%BA-atpase-activity-protein-kinase-a-amp-activated-protein-kinase-and-the-association-of-selected-nutrient-transport-proteins-with-detergent-resistant-membranes
#16
Stefanie Klinger, Gerhard Breves
BACKGROUND: Beneficial effects of Resveratrol (RSV) have been demonstrated, including effects on transporters and channels. However, little is known about how RSV influences intestinal transport. The aim of this study was to further characterize the effects of RSV on intestinal transport and the respective mechanisms. METHODS: Porcine jejunum and ileum were incubated with RSV (300 µM, 30 min) in Ussing chambers (functional studies) and tissue bathes (detection of protein expression, phosphorylation, association with detergent resistant membranes (DRMs))...
March 3, 2018: Nutrients
https://www.readbyqxmd.com/read/29490296/resveratrol-alleviates-inflammatory-responses-and-oxidative-stress-in-rat-kidney-ischemia-reperfusion-injury-and-h2o2-induced-nrk-52e-cells-via-the-nrf2-tlr4-nf-%C3%AE%C2%BAb-pathway
#17
Jiawei Li, Long Li, Shuo Wang, Chao Zhang, Long Zheng, Yichen Jia, Ming Xu, Tongyu Zhu, Yi Zhang, Ruiming Rong
BACKGROUND: Ischemia-reperfusion injury (IRI) is one of the major causes of postoperative renal allograft dysfunction, which is mainly the result of proinflammatory reactions including inflammatory responses, oxidative stress, and metabolic disorders. Resveratrol (RSV) plays an important role in protecting various organs in IRI because it reduces oxidative stress, lessens the inflammatory response, and exerts anti-apoptotic effects. The aim of this study was to demonstrate the renoprotective effect of RSV in inhibiting inflammatory responses, reducing oxidative stress, and decreasing cell apoptosis in vivo and in vitro...
February 22, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29484436/resveratrol-protects-late-endothelial-progenitor-cells-from-tnf-%C3%AE-induced-inflammatory-damage-by-upregulating-kr%C3%A3-ppel-like-factor-2
#18
Hairong Chu, Hong Li, Xiumei Guan, Hong Yan, Xiaoyun Zhang, Xiaodong Cui, Xin Li, Min Cheng
Cardiovascular risk factors can negatively influence late endothelial progenitor cell (EPCs) number and functions, thus EPCs biology is a clinical implications for cardiovascular diseases. The present study aimed to investigate the potential protective effects of resveratrol (RES) on tumor necrosis factor (TNF)‑α‑induced inflammatory damage in late endothelial progenitor cells (EPCs) and to elucidate the underlying mechanisms. Late EPCs at passages 3‑5 were pretreated with RES at a concentration of 20 µmol/l for 12 h and subsequently incubated with TNF‑α (10 ng/ml) for 24 h...
February 20, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29480757/pdgfr-%C3%AE-modulates-vascular-smooth-muscle-cell-phenotype-via-irf-9-sirt-1-nf-%C3%AE%C2%BAb-pathway-in-subarachnoid-hemorrhage-rats
#19
Weifeng Wan, Yan Ding, Zongyi Xie, Qian Li, Feng Yan, Enkhjargal Budbazar, William J Pearce, Richard Hartman, Andre Obenaus, John H Zhang, Yong Jiang, Jiping Tang
Platelet-derived growth factor receptor-β (PDGFR-β) has been reported to promote phenotypic transformation of vascular smooth muscle cells (VSMCs). The purpose of this study was to investigate the role of the PDGFR-β/IRF9/SIRT-1/NF-κB pathway in VSMC phenotypic transformation after subarachnoid hemorrhage (SAH). SAH was induced using the endovascular perforation model in Sprague-Dawley rats. PDGFR-β small interfering RNA (siRNA) and IRF9 siRNA were injected intracerebroventricularly 48 h before SAH. SIRT1 activator (resveratrol) and inhibitor (EX527) were administered intraperitoneally 1 h after SAH induction...
January 1, 2018: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/29476302/apoptotic-effects-of-%C3%AE%C2%B5-viniferin-in-combination-with-cis-platin-in-c6-cells
#20
Filiz Özdemir, Elif Apaydın, Nur İpek Önder, Mesut Şen, Aysun Ayrım, Yüksel Öğünç, Zerrin İncesu
Glioblastoma (GBM) is one of the most common and lethal forms of primary brain tumors in human adults. Treatment options are limited, and in most cases ineffective. Natural products are sources of novel compounds endowed with therapeutic properties in many human diseases like cancer. ε-viniferin is a resveratrol dimer and well known for having antiproliferative and apoptotic effects on cancer cells. Cisplatin is a platinum containing anti-cancer drug. In this study, we aimed to investigate antiproliferative and apoptotic effects of using cis-platin and ε-viniferin alone or in combined treatment of C6 cells...
February 23, 2018: Cytotechnology
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