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Resveratrol AND AMPK

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https://www.readbyqxmd.com/read/29663499/resveratrol-inhibits-the-proliferation-and-induces-the-apoptosis-in-ovarian-cancer-cells-via-inhibiting-glycolysis-and-targeting-ampk-mtor-signaling-pathway
#1
Yu Liu, Lin Tong, Yan Luo, Xin Li, Gaowen Chen, Yifeng Wang
Aerobic glycolysis is an important metabolic rewiring in cancer cells to promote glucose uptake and lactate production, and targeting aerobic glycolysis becomes a promising therapeutic approach for cancer. Here we reported that a small polyphenol resveratrol exhibited profound anti-tumor efficacy on human ovarian cancer. Resveratrol markedly inhibited the proliferation, migration, and invasion of A2780 and SKOV3 ovarian cancer cells, while impaired glycolysis, and induced apoptosis in these cells. Exposure to resveratrol increased the expression and activation of AMPK and Caspase 3, and decreased the expression and activation of AMPK downstream kinase mTOR...
April 16, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29554499/resveratrol-improves-glucose-uptake-in-insulin-resistant-adipocytes-via-sirt1
#2
Sifan Chen, Zhongliang Zhao, Liangru Ke, Zilun Li, Wenxue Li, Zili Zhang, Ying Zhou, Xiang Feng, Wei Zhu
Insulin resistance serves as "common soil" for promoting the development of metabolic diseases; however, the precise pathological factors leading to insulin resistance are not well clarified. Resveratrol (Res) is a natural polyphenolic compound with anti-inflammatory and antioxidative effects. However, effects and mechanisms of Res on glucose metabolism in adipocytes remain largely unknown. In this study, we show Res treatment significantly increases glucose uptake in insulin-resistant 3T3-L1 adipocytes in vitro...
February 13, 2018: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29524400/ampk-activation-by-pterostilbene-contributes-to-suppression-of-hepatic-gluconeogenic-gene-expression-and-glucose-production-in-h4iie-cells
#3
Guang Ren, Agnes M Rimando, Suresh T Mathews
Pterostilbene, a bioactive component of blueberries and grapes, shows structural similarity to resveratrol, and exhibits antioxidant, anti-inflammatory, anti-cancer, hypoglycemic, and cholesterol lowering effects. Recent evidence indicates that pterostilbene is an agonist of the nuclear receptor, peroxisome proliferator-activated receptor-alpha (PPAR-α). Since PPAR-α agonists induce peroxisomal proliferation and fatty acid oxidation, we examined gene expression of acyl CoA oxidase (ACO) and carnitine palmitoyl transferase-1 (CPT-1)...
April 6, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29514131/potential-of-resveratrol-in-mitigating-metabolic-disturbances-induced-by-ethanol
#4
REVIEW
Tomasz Szkudelski, Katarzyna Szkudelska
Alcohol abuse is associated with numerous health problems, including metabolic disturbances and liver damage. Therefore, different compounds are continuously being tested to evaluate their potential effectiveness in reducing these harmful changes. Animal studies clearly show that resveratrol is capable of ameliorating some consequences of ethanol ingestion. Resveratrol is a naturally occurring diphenolic compound having pleiotropic, health-promoting properties. Its beneficial action have been also demonstrated in animal models with ethanol-induced metabolic disturbances and liver injury...
March 4, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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
#5
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/29494287/resveratrol-regulates-blood-pressure-by-enhancing-ampk-signaling-to-downregulate-a-rac1-derived-nadph-oxidase-in-the-central-nervous-system
#6
Tung-Chen Yeh, Ching-Sen Shin, Hsin-Hung Chen, Chi-Cheng Lai, Gwo-Ching Sun, Ching-Jiunn Tseng, Pei-Wen Cheng
Resveratrol is a polyphenol with pleiotropic effects against oxidative damage that has been widely implicated in the lowering of hypertension risk. The purpose of this study was to determine whether improve NO release in the brain either through the activation of AMPK or reduced Rac1-induced ROS generation, thereby reducing BP in rats with fructose-induced hypertension. The rats were fed with 10% fructose or crestor (rosuvastatin; 1.5 mg/kg/day) and resveratrol (10 mg/kg/day) treatment for 1 week, the systolic blood pressure (SBP) of the rats were measured by tail-cuff method...
March 1, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29492205/resveratrol-ameliorates-autophagic-flux-to-promote-functional-recovery-in-rats-after-spinal-cord-injury
#7
Peng Wang, Lizhu Jiang, Nian Zhou, Hao Zhou, Huzhe Liu, Wenrui Zhao, Hanxiang Zhang, Xiang Zhang, Zhenming Hu
Resveratrol is known to improve functional recovery after spinal cord injury, but the exact mechanism involved is yet unclear. The aim of this study was to clarify whether resveratrol can exert neuroprotective effects via activating neuronal autophagic flux, in view of the underlying role of the autophagic flux mediated by resveratrol on neuronal apoptosis after spinal cord injury, and identify the role of the liver kinase B1(LKB1)/adenosine monophosphate-activated protein kinase (AMPK)/mammalian target of rapamycin (mTOR)/ p70 ribosomal protein S6 kinase (p70s6k) signal pathway in the autophagic flux mediated by resveratrol...
February 2, 2018: Oncotarget
https://www.readbyqxmd.com/read/29407880/the-protective-effect-of-resveratrol-on-vascular-aging-by-modulation-of-the-renin-angiotensin-system
#8
Eun Nim Kim, Min Young Kim, Ji Hee Lim, Yaeni Kim, Seok Joon Shin, Cheol Whee Park, Yong-Soo Kim, Yoon Sik Chang, Hye Eun Yoon, Bum Soon Choi
BACKGROUND AND AIMS: This study evaluated the effects of resveratrol on arterial aging and the renin-angiotensin system (RAS) in mice and vascular smooth muscle cells (VSMCs). METHODS: Aging mice were divided into control and resveratrol groups. Histological changes, inflammation, oxidative stress, RAS components, and the expression of AMP-activated protein kinase (AMPK), silent information regulator T1 (SIRT1), peroxisome proliferator-activated receptor-γ co-activator 1α (PGC-1α), and anti-oxidative enzymes was measured in thoracic aortas of 24-month-old mice...
February 2, 2018: Atherosclerosis
https://www.readbyqxmd.com/read/29393425/ampk-sirt1-p38-mapk-signaling-pathway-regulates-alcohol%C3%A2-induced-neurodegeneration-by-resveratrol
#9
Xinyi Gu, Zhengxu Cai, Ming Cai, Kun Liu, Dan Liu, Qinsong Zhang, Jing Tan, Qiang Ma
Resveratrol has also been approved for use in enhancing plant disease resistance and reducing pesticide use. A number of studies have shown that the disease resistance of crops treated with resveratrol is markedly improved. The aim of the present study was to examine the protective effect of resveratrol against alcohol‑induced neurodegeneration occurred and its association with AMP‑activated protein kinase (AMPK)/sirtuin 1 (SIRT1)/p38 in rats and humans. ELISA, caspase‑3 activity and western blot analyses were employed in the present study...
January 25, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29336118/resveratrol-potently-counteracts-quercetin-starvation-induced-autophagy-and-sensitizes-hepg2-cancer-cells-to-apoptosis
#10
Sarah Tomas-Hernández, Jordi Blanco, Cristina Rojas, Joel Roca-Martínez, María José Ojeda-Montes, Raúl Beltrán-Debón, Santiago Garcia-Vallvé, Gerard Pujadas, Lluís Arola, Miquel Mulero
SCOPE: Resveratrol (RSV) has been described as a potent antioxidant, antisteatotic, and antitumor compound, and it has also been identified as a potent autophagy inducer. On the other hand, quercetin (QCT) is a dietary flavonoid with known antitumor, anti-inflammatory, and antidiabetic effects. Additionally, QCT increases autophagy. To study the hypothetical synergistic effect of both compounds, we test the combined effect of QCT and RSV on the autophagy process in HepG2 cells. METHODS AND RESULTS: Autophagy is studied by western blotting, real-time RT-PCR, and cellular staining...
March 2018: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29326403/resveratrol-an-nrf2-activator-ameliorates-aging-related-progressive-renal-injury
#11
Eun Nim Kim, Ji Hee Lim, Min Young Kim, Tae Hyun Ban, In-Ae Jang, Hye Eun Yoon, Cheol Whee Park, Yoon Sik Chang, Bum Soon Choi
BACKGROUND: Two important issues in the aging kidney are mitochondrial dysfunction and oxidative stress. An Nrf2 activator, resveratrol, is known to have various effects. Resveratrol may prevent inflammation and oxidative stress by activating Nrf2 and SIRT1 signaling. We examined whether resveratrol could potentially ameliorate the cellular condition, such as renal injury due to cellular oxidative stress and mitochondrial dysfunction caused by aging. METHODS: Male 18-month-old C57BL/6 mice were used...
January 11, 2018: Aging
https://www.readbyqxmd.com/read/29316653/synergistic-association-of-valproate-and-resveratrol-reduces-brain-injury-in-ischemic-stroke
#12
Lara Faggi, Giuseppe Pignataro, Edoardo Parrella, Vanessa Porrini, Antonio Vinciguerra, Pasquale Cepparulo, Ornella Cuomo, Annamaria Lanzillotta, Mariana Mota, Marina Benarese, Paolo Tonin, Lucio Annunziato, PierFranco Spano, Marina Pizzi
Histone deacetylation, together with altered acetylation of NF-κB/RelA, encompassing the K310 residue acetylation, occur during brain ischemia. By restoring the normal acetylation condition, we previously reported that sub-threshold doses of resveratrol and entinostat (MS-275), respectively, an activator of the AMP-activated kinase (AMPK)-sirtuin 1 pathway and an inhibitor of class I histone deacetylases (HDACs), synergistically elicited neuroprotection in a mouse model of ischemic stroke. To improve the translational power of this approach, we investigated the efficacy of MS-275 replacement with valproate, the antiepileptic drug also reported to be a class I HDAC blocker...
January 6, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29242624/plant-derived-compounds-strigolactone-gr24-and-pinosylvin-activate-sirt1-and-enhance-glucose-uptake-in-rat-skeletal-muscle-cells
#13
Shalem Modi, Nagendra Yaluri, Tarja Kokkola, Markku Laakso
Insulin resistance is a characteristic finding in hyperglycaemia and type 2 diabetes. SIRT1 is a NAD+ dependent deacetylase that plays a central role in glucose homeostasis and energy metabolism. SIRT1 activators, including plant polyphenols such as resveratrol, improve insulin sensitivity in skeletal muscle tissue. We hypothesised that the novel plant-derived compounds, strigolactone and pinosylvin, beneficially enhance SIRT1 function, insulin signalling, glucose uptake, and mitochondrial biogenesis in skeletal muscle cells...
December 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29235249/anticancer-effects-of-resveratrol-in-canine-hemangiosarcoma-cell-lines
#14
A Carlson, K S Alderete, M K O Grant, D M Seelig, L C Sharkey, B N M Zordoky
Hemangiosarcoma (HSA) is a highly malignant tumour with aggressive biological behaviour. HSAs are more common in dogs than other domestic animals. The median survival time of dogs with HSA remains short, even with chemotherapy and surgery. Therefore, there is a critical need to improve the adjuvant chemotherapeutic regimens to improve clinical outcomes in dogs with HSA. Resveratrol has been shown to possess strong anti-proliferative and/or pro-apoptotic properties in human cancer cell lines. Nevertheless, the potential anticancer effects of resveratrol have not been reported in canine HSAs...
December 13, 2017: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/29213353/resveratrol-prevents-ros-induced-apoptosis-in-high-glucose-treated-retinal-capillary-endothelial-cells-via-the-activation-of-ampk-sirt1-pgc-1-%C3%AE-pathway
#15
Jun Li, Songping Yu, Jia Ying, Tianyan Shi, Peipei Wang
Resveratrol (RSV) is used as a protective therapy against diabetic retinopathy. However, the mechanism(s) underlying this protective effect has not been fully elucidated. Bovine retinal capillary endothelial cells (BRECs), an in vitro model, were used to investigate the mechanism of RSV. Our results showed that high glucose induced significant cellular apoptosis in BRECs, which was accompanied by increased intracellular levels of reactive oxygen species (ROS) and cleaved caspase-3. The glucose-induced apoptosis and ROS elevation were both inhibited by RSV...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29208771/advanced-iron-overload-cardiomyopathy-in-a-genetic-murine-model-is-rescued-by-resveratrol-therapy
#16
Subhash K Das, Pavel Zhabyeyev, Ratnadeep Basu, Vaibhav B Patel, Jason R B Dyck, Zamaneh Kassiri, Gavin Y Oudit
Iron-overload cardiomyopathy is prevalent on a worldwide basis and is a major comorbidity in patients with genetic hemochromatosis and secondary iron overload. Therapies are limited in part due to lack of a valid preclinical model, which recapitulates advanced iron-overload cardiomyopathy. Male hemojuvelin (HJV) knockout (HJVKO) mice, which lack HJV, a bone morphogenetic co-receptor protein required for hepcidin expression and systemic iron homeostasis, were fed a high-iron diet starting at 4 weeks of age for a duration of 1 year...
February 28, 2018: Bioscience Reports
https://www.readbyqxmd.com/read/29202102/combinatorial-treatment-with-natural-compounds-in-prostate-cancer-inhibits-prostate-tumor-growth-and-leads-to-key-modulations-of-cancer-cell-metabolism
#17
Alessia Lodi, Achinto Saha, Xiyuan Lu, Bo Wang, Enrique Sentandreu, Meghan Collins, Mikhail G Kolonin, John DiGiovanni, Stefano Tiziani
High-throughput screening of a natural compound library was performed to identify the most efficacious combinatorial treatment on prostate cancer. Ursolic acid, curcumin and resveratrol were selected for further analyses and administered in vivo via the diet, either alone or in combination, in a mouse allograft model of prostate cancer. All possible combinations of these natural compounds produced synergistic effects on tumor size and weight, as predicted in the screens. A subsequent untargeted metabolomics and metabolic flux analysis using isotopically labeled glutamine indicated that the compound combinations modulated glutamine metabolism...
2017: NPJ Precision Oncology
https://www.readbyqxmd.com/read/29189984/the-role-of-resveratrol-on-skeletal-muscle-cell-differentiation-and-myotube-hypertrophy-during-glucose-restriction
#18
Hannah F Dugdale, David C Hughes, Robert Allan, Colleen S Deane, Christopher R Coxon, James P Morton, Claire E Stewart, Adam P Sharples
Glucose restriction (GR) impairs muscle cell differentiation and evokes myotube atrophy. Resveratrol treatment in skeletal muscle cells improves inflammatory-induced reductions in skeletal muscle cell differentiation. We therefore hypothesised that resveratrol treatment would improve muscle cell differentiation and myotube hypertrophy in differentiating C2C12 myoblasts and mature myotubes during GR. Glucose restriction at 0.6 g/L (3.3 mM) blocked differentiation and myotube hypertrophy versus high-glucose (4...
November 30, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/29172079/design-syntheses-and-lipid-accumulation-inhibitory-activities-of-novel-resveratrol-mimics
#19
Chanjuan Li, Bao Cheng, Sai Fang, Huihao Zhou, Qiong Gu, Jun Xu
Hispidine was initially discovered from Ficus Hispida for cardiovascular protection. In this paper, hispidine derivatives, which contain a novel resveratrol-like scaffold, have been designed, synthesized, and assayed as agents against lipid accumulations in 3T3-L1 pre-adipocytes. Six hispidine derivatives have the activity of reducing TG in 3T3-L1 adipocytes in dosage-dependent manner. The most active compound can reduce the lipid accumulation up to 78.4% at 10 μM qPCR and Western blotting results demonstrate that the two most active compounds inhibit both lipodenesis and adipogenesis in 3T3-L1 cells through (1) increasing the phosphorylations of AMPK and ACC, promoting SIRT1 expression...
January 1, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29171745/retracted-resveratrol-inhibits-oesophageal-adenocarcinoma-cell-proliferation-via-amp-activated-protein-kinase-signaling
#20
(no author information available yet)
Retraction: Retracted:Resveratrol inhibits oesophageal adenocarcinoma cell proliferation via AMP-activated protein kinase signaling Asian Pacific Journal of Cancer Prevention (APJCP) has retracted the article titled “Resveratrol Inhibits Oesophageal Adenocarcinoma Cell Proliferation via AMP-activated Protein Kinase Signaling”(1) for reason of having duplicated contents brought to the attention of APJCP’s editorial office by the following email content: “Dear Editors of Gastroenterology and Hepatology, Acta Pharmacologica Sinica, Asian Pac J Cancer Prev, Clinical and Experimental Hypertension, I write to you from the editorial office of PLOS ONE to inform you of concerns related to duplicated content in articles published by your journals...
November 24, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
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