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Inflammation polyphenols

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https://www.readbyqxmd.com/read/28346392/impact-of-novel-sorghum-bran-diets-on-dss-induced-colitis
#1
Lauren E Ritchie, Stella S Taddeo, Brad R Weeks, Raymond J Carroll, Linda Dykes, Lloyd W Rooney, Nancy D Turner
We have demonstrated that polyphenol-rich sorghum bran diets alter fecal microbiota; however, little is known regarding their effect on colon inflammation. Our aim was to characterize the effect of sorghum bran diets on intestinal homeostasis during dextran sodium sulfate (DSS)-induced colitis. Male Sprague-Dawley rats (N = 20/diet) were provided diets containing 6% fiber from cellulose, or Black (3-deoxyanthocyanins), Sumac (condensed tannins) or Hi Tannin Black (both) sorghum bran. Colitis was induced (N = 10/diet) with three separate 48-h exposures to 3% DSS, and feces were collected...
March 27, 2017: Nutrients
https://www.readbyqxmd.com/read/28338009/resveratrol-attenuates-icam-1-expression-and-monocyte-adhesiveness-to-tnf-%C3%AE-treated-endothelial-cells-evidence-for-an-anti-inflammatory-cascade-mediated-by-the-mir-221-222-ampk-p38-nf-%C3%AE%C2%BAb-pathway
#2
Chen-Wei Liu, Hsin-Ching Sung, Shu-Rung Lin, Chun-Wei Wu, Chiang-Wen Lee, I-Ta Lee, Yi-Fan Yang, I-Shing Yu, Shu-Wha Lin, Ming-Hsien Chiang, Chan-Jung Liang, Yuh-Lien Chen
Resveratrol, an edible polyphenolic phytoalexin, improves endothelial dysfunction and attenuates inflammation. However, the mechanisms have not been thoroughly elucidated. Therefore, we investigated the molecular basis of the effects of resveratrol on TNF-α-induced ICAM-1 expression in HUVECs. The resveratrol treatment significantly attenuated the TNF-α-induced ICAM-1 expression. The inhibition of p38 phosphorylation mediated the reduction in ICAM-1 expression caused by resveratrol. Resveratrol also decreased TNF-α-induced IκB phosphorylation and the phosphorylation, acetylation, and translocation of NF-κB p65...
March 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28335507/hydroxytyrosol-in-the-prevention-of-the-metabolic-syndrome-and-related-disorders
#3
REVIEW
Julien Peyrol, Catherine Riva, Marie Josèphe Amiot
Virgin olive oil (VOO) constitutes the main source of fat in the Mediterranean diet. VOO is rich in oleic acid, displaying health-promoting properties, but also contains minor bioactive components, especially phenolic compounds. Hydroxytyrosol (HT), the main polyphenol of olive oil, has been reported to be the most bioactive component. This review aims to compile the results of clinical, animal and cell culture studies evaluating the effects of HT on the features of Metabolic Syndrome (MetS) (body weight/adiposity, dyslipidemia, hypertension, and hyperglycemia/insulin resistance) and associated complications (oxidative stress and inflammation)...
March 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28335502/catechins-and-their-therapeutic-benefits-to-inflammatory-bowel-disease
#4
REVIEW
Fei-Yan Fan, Li-Xuan Sang, Min Jiang
Catechins are natural polyphenolic phytochemicals that exist in food and medicinal plants, such as tea, legume and rubiaceae. An increasing number of studies have associated the intake of catechins-rich foods with the prevention and treatment of chronic diseases in humans, such as inflammatory bowel disease (IBD). Some studies have demonstrated that catechins could significantly inhibit the excessive oxidative stress through direct or indirect antioxidant effects and promote the activation of the antioxidative substances such as glutathione peroxidases (GPO) and glutathione (GSH), reducing the oxidative damages to the colon...
March 19, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28333102/biological-effect-of-licochalcone-c-on-the-regulation-of-pi3k-akt-enos-and-nf-%C3%AE%C2%BAb-inos-no-signaling-pathways-in-h9c2-cells-in-response-to-lps-stimulation
#5
Sara Franceschelli, Mirko Pesce, Alessio Ferrone, Daniela Maria Pia Gatta, Antonia Patruno, Maria Anna De Lutiis, José Luis Quiles, Alfredo Grilli, Mario Felaco, Lorenza Speranza
Polyphenols compounds are a group molecules present in many plants. They have antioxidant properties and can also be helpful in the management of sepsis. Licochalcone C (LicoC), a constituent of Glycyrrhiza glabra, has various biological and pharmacological properties. In saying this, the effect of LicoC on the inflammatory response that characterizes septic myocardial dysfunction is poorly understood. The aim of this study was to determine whether LicoC exhibits anti-inflammatory properties on H9c2 cells that are stimulated with lipopolysaccharide...
March 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28333074/assessment-of-the-anti-hyperglycaemic-anti-inflammatory-and-antioxidant-activities-of-the-methanol-extract-of-moringa-oleifera-in-diabetes-induced-nephrotoxic-male-wistar-rats
#6
Elizabeth I Omodanisi, Yapo G Aboua, Oluwafemi O Oguntibeju
Diabetes mellitus is an endocrine disease of multiple aetiologies in insulin secretion. A deficiency in insulin results in hyperglycemia with metabolic disturbances of biomolecules. Moringa oleifera (MO) is endemic in the tropics with a variety of ethnomedicinal importance. The leaf of this plant has been reported to possess antioxidant and medicinal properties that may be helpful in the treatment and management of diabetes and its associated complications. Diabetes was induced intraperitoneally in rats by a single dose of streptozotocin (55 mg/kg) and treated with methanolic extract of Moringa oleifera (250 mg/kg b...
March 23, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28322589/comparison-of-metabolic-profiles-and-bioactivities-of-the-leaves-of-three-edible-congolese-hibiscus-species
#7
Paulin Mutwale Kapepula, Nadege Kabamba Ngombe, Pascal Tshisekedi Tshibangu, César Tsumbu, Thierry Franck, Ange Mouithys-Mickalad, Dieudonné Mumba, Désiré Tshala-Katumbay, Didier Serteyn, Monique Tits, Luc Angenot, Pascal Dibungi T Kalenda, Michel Frédérich
Methanolic and dichloromethane extracts from the leaves of Congolese Hibiscus species were characterised by chromatographic and spectroscopic techniques and their in vitro biochemical activities against ROS production were evaluated in cellular models and on an enzyme, myeloperoxidase (MPO), involved in inflammation. Hibiscus acetosella has a chemical fingerprint different from Hibiscus cannabinus and Hibiscus sabdariffa both having similar fingerprints. Major compounds were polyphenols, represented mainly by caffeoyl-hydroxycitric acid for H...
March 21, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28320793/rct-of-the-effect-of-berryfruit-polyphenolic-cultivar-extract-in-mild-steroid-naive-asthma-a-cross-over-placebo-controlled-study
#8
Sharon Power, Mathew Williams, Alex Semprini, Claire Munro, Rachel Caswell-Smith, Janine Pilcher, Mark Holliday, James Fingleton, Jacquie Harper, Roger Hurst, Mark Weatherall, Richard Beasley, Irene Braithwaite
OBJECTIVE: There is preclinical evidence that consumption of berryfruit extract may reduce chronic airways inflammation and modify airway remodelling in allergen-induced models of lung inflammation. We investigated the effect of berryfruit extract on the fractional expired nitric oxide (FeNO), a biomarker of eosinophilic airways inflammation, in adults with steroid-naïve asthma. DESIGN: Randomised placebo-controlled cross-over double-blind trial. SETTING: Single-centre community-based trial...
March 20, 2017: BMJ Open
https://www.readbyqxmd.com/read/28301985/a-review-on-phytochemical-and-pharmacological-properties-of-litsea-coreana
#9
Xuejing Jia, Peng Li, Jianbo Wan, Chengwei He
CONTEXT: Litsea coreana H. Lév. (Lauraceae) is used as an ethnic herb or beverage in China. Substantial studies indicate that it contains a variety of compounds and shows diverse bioactivities with no toxicity. OBJECTIVE: This review analyzes and summarizes the ethnopharmacological applications, phytochemistry, and pharmacological activities and molecular mechanisms of L. coreana. METHODS: Related literature (from 1998 to 2016) was obtained and compiled via searching databases including Scopus, Web of Science, Google Scholar, CNKI and PubMed...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28290272/strawberry-and-cranberry-polyphenols-improve-insulin-sensitivity-in-insulin-resistant-non-diabetic-adults-a-parallel-double-blind-controlled-and-randomised-clinical-trial
#10
Martine Paquette, Ana S Medina Larqué, S J Weisnagel, Yves Desjardins, Julie Marois, Geneviève Pilon, Stéphanie Dudonné, André Marette, Hélène Jacques
Plant-derived foods rich in polyphenols are associated with several cardiometabolic health benefits, such as reduced postprandial hyperglycaemia. However, their impact on whole-body insulin sensitivity using the hyperinsulinaemic-euglycaemic clamp technique remains under-studied. We aimed to determine the effects of strawberry and cranberry polyphenols (SCP) on insulin sensitivity, glucose tolerance, insulin secretion, lipid profile, inflammation and oxidative stress markers in free-living insulin-resistant overweight or obese human subjects (n 41) in a parallel, double-blind, controlled and randomised clinical trial...
March 14, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28284353/the-attenuating-effects-of-1-2-3-4-6-penta-o-galloyl-%C3%AE-d-glucose-on-inflammatory-cytokines-release-from-activated-bv-2-microglial-cells
#11
Patricia Mendonca, Equar Taka, David Bauer, Makini Cobourne-Duval, Karam F A Soliman
Alzheimer's disease (AD) is the most common cause of neurodegeneration and dementia in the elderly. Dysregulated, chronic activation of microglia, the brain's resident macrophages, induces the release of excessive amounts of pro-inflammatory cytokines which has been implicated in the early stages of AD pathology. Therefore, suppressing the expression of these inflammatory mediators may decrease or delay the progression of AD. Many natural compounds derived from plants have shown anti-inflammatory activity. The naturally occurring 1,2,3,4,6 Penta-O-Galloyl-β-d-Glucose (PGG), is a polyphenolic compound highly enriched in Rhus chinensis Millplant...
April 15, 2017: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/28283501/phase-ii-conjugates-of-urolithins-isolated-from-human-urine-and-potential-role-of-%C3%AE-glucuronidases-in-their-disposition
#12
Jakub P Piwowarski, Iwona Stanisławska, Sebastian Granica, Joanna Stefańska, Anna K Kiss
In recent years, many xenobiotics derived from natural products have been shown to undergo extensive metabolism by gut microbiota. Ellagitannins, which are high molecular polyphenols, are metabolized to dibenzo[b,d]pyran-6-one derivatives- urolithins. These compounds, in contrast with their parental compounds, have good bioavailability and are found in plasma and urine at micromolar concentrations. In vivo studies conducted for ellagitannin-containing natural products indicate their beneficial health effects towards inflammation and cancer, which are associated with the formation of urolithins...
March 10, 2017: Drug Metabolism and Disposition: the Biological Fate of Chemicals
https://www.readbyqxmd.com/read/28282584/pomegranate-polyphenolics-reduce-inflammation-and-ulceration-in-intestinal-colitis-involvement-of-the-mir-145-p70s6k1-hif1%C3%AE-axis-in-vivo-and-in-vitro
#13
Hyemee Kim, Nivedita Banerjee, Maritza A Sirven, Yasushi Minamoto, Melissa E Markel, Jan S Suchodolski, Stephen T Talcott, Susanne U Mertens-Talcott
This study investigated the potential role of the p70S6K1/HIF1α axis in the anti-inflammatory activities of pomegranate (Punica granatum L.) polyphenolics in dextran sodium sulfate (DSS)-induced colitis in Sprague-Dawley rats and in lipopolysaccharide (LPS)-treated CCD-18Co colon-myofibroblastic cells. Rats were administered either control (CT) or pomegranate beverage (PG), containing ellagic acid and ellagitannins, then exposed to three cycles of 3% DSS followed by a 2-week recovery period. PG protected against DSS-induced colon inflammation and ulceration (50% and 66...
February 27, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28282259/study-on-the-pulmonary-delivery-system-of-apigenin-loaded-albumin-nanocarriers-with-antioxidant-activity
#14
Zsófia Edit Pápay, Annamária Kósa, Béla Böddi, Zahra Merchant, Imran Y Saleem, Mohammed Gulrez Zariwala, Imre Klebovich, Satyanarayana Somavarapu, István Antal
BACKGROUND: Respiratory diseases are mainly derived from acute and chronic inflammation of the alveoli and bronchi. The pathophysiological mechanisms of pulmonary inflammation mainly arise from oxidative damage that could ultimately lead to acute lung injury. Apigenin (Api) is a natural polyphenol with prominent antioxidant and anti-inflammatory properties in the lung. Inhalable formulations that consist of nanoparticles (NPs) have several advantages over other administration routes, and therefore, this study investigated the application of apigenin-loaded bovine serum albumin nanoparticles (BSA-Api-NPs) for pulmonary delivery...
March 10, 2017: Journal of Aerosol Medicine and Pulmonary Drug Delivery
https://www.readbyqxmd.com/read/28276100/a-polyphenol-rich-pomegranate-fruit-extract-suppresses-nf-%C3%AE%C2%BAb-and-il-6-expression-by-blocking-the-activation-of-ikk%C3%AE-and-nik-in-primary-human-chondrocytes
#15
Abdul Haseeb, Nazir M Khan, Omer S Ashruf, Tariq M Haqqi
Pomegranate fruit extract (PE) rich in polyphenols has been shown to exert chondroprotective effects, but the mechanism is not established. Here, we used an in vitro model of inflammation in osteoarthritis (OA) to investigate the potential of PE to suppress interleukin 1 beta (IL-1β)-stimulated expression of inflammatory cytokine IL-6, generation of reactive oxygen species (ROS) levels, and investigated the mechanism of NF-κB inhibition by analyzing the activation of the kinases upstream of IκBα in primary human chondrocytes...
March 9, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28267434/dietary-phytochemicals-in-the-protection-against-oxysterol-induced-damage
#16
REVIEW
Antonio Cilla, Amparo Alegría, Alessandro Attanzio, Guadalupe Garcia-Llatas, Luisa Tesoriere, Maria A Livrea
The intake of fruits and vegetables is associated with reduced incidence of many chronic diseases. These foods contain phytochemicals that often possess antioxidant and free radical scavenging capacity and show anti-inflammatory action, which are also the basis of other bioactivities and health benefits, such as anticancer, anti-aging, and protective action for cardiovascular diseases, diabetes mellitus, obesity and neurodegenerative disorders. Many factors can be included in the etiopathogenesis of all of these multifactorial diseases that involve oxidative stress, inflammation and/or cell death processes, oxysterols, i...
March 3, 2017: Chemistry and Physics of Lipids
https://www.readbyqxmd.com/read/28260647/a-lipidomic-study-on-the-regulation-of-inflammation-and-oxidative-stress-targeted-by-marine-%C3%AF-3-pufa-and-polyphenols-in-high-fat-high-sucrose-diets
#17
Gabriel Dasilva, Manuel Pazos, Eduardo García-Egido, José M Gallardo, Sara Ramos-Romero, Josep Lluís Torres, Marta Romeu, María-Rosa Nogués, Isabel Medina
The ability of polyphenols to ameliorate potential oxidative damage of ω-3 PUFAs when they are consumed together and then, to enhance their potentially individual effects on metabolic health is discussed through the modulation of fatty acids profiling and the production of lipid mediators. For that, the effects of the combined consumption of fish oils and grape seed procyanidins on the inflammatory response and redox unbalance triggered by high-fat high-sucrose (HFHS) diets were studied in an animal model of Wistar rats...
February 21, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28258441/tnf-%C3%AE-il-6-and-il-10-expressions-responsible-for-disparity-in-action-of-curcumin-against-cisplatin-induced-nephrotoxicity-in-rats
#18
Parveen Kumar, Kunjbihari Sulakhiya, Chandana C Barua, Nitin Mundhe
Cisplatin is a regularly employed effective chemotherapeutic agent for the treatment of many types of cancer. The main drawback of cisplatin treatment is kidney toxicity which affects 25-35% of treated patients. Many mechanisms are believed to be involved in this kidney damage, but inflammation plays a significant role in this event. Curcumin is a polyphenol and has antioxidant and anti-inflammatory effects. The purpose of this study was to determine the protective effects of curcumin on cisplatin-induced nephrotoxicity...
March 3, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28250578/oral-administration-of-resveratrol-alleviates-osteoarthritis-pathology-in-c57bl-6j-mice-model-induced-by-a-high-fat-diet
#19
Mengqi Jiang, Xingyao Li, Xiaolu Yu, Xudan Liu, Xiaolei Xu, Jianyi He, Hailun Gu, Li Liu
Obesity has been associated with osteoarthritis (OA) due to increased mass and metabolic factors which are independent of the biomechanical contribution to joint load. Resveratrol, a natural polyphenolic compound, exerts protective effects on OA through its anti-inflammatory property. However, the mechanism of resveratrol on obesity-related OA is unclear. To investigate the effect and possible mechanism of oral resveratrol on obesity-related OA, we fed C57BL/6J mice with a high-fat diet (HFD) for 16 weeks to establish obesity-related OA model; then two doses (22...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28249816/anti-inflammatory-and-antioxidant-effects-of-polyphenols-extracted-from-antirhea-borbonica-medicinal-plant-on-adipocytes-exposed-to-porphyromonas-gingivalis-and-escherichia-coli-lipopolysaccharides
#20
Fanny Le Sage, Olivier Meilhac, Marie-Paule Gonthier
In obesity, gut microbiota LPS may translocate into the blood stream and then contribute to adipose tissue inflammation and oxidative stress, leading to insulin resistance. A causal link between periodontal infection, obesity and type 2 diabetes has also been suggested. We evaluated the ability of polyphenols from Antirhea borbonica medicinal plant to improve the inflammatory and redox status of 3T3-L1 adipocytes exposed to LPS of Porphyromonas gingivalis periodontopathogen or Escherichia coli enterobacteria...
February 27, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
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