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Inflammation polyphenols

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https://www.readbyqxmd.com/read/28076319/impact-of-nutrition-on-pollutant-toxicity-an-update-with-new-insights-into-epigenetic-regulation
#1
Jessie B Hoffman, Michael C Petriello, Bernhard Hennig
Exposure to environmental pollutants is a global health problem and is associated with the development of many chronic diseases, including cardiovascular disease, diabetes and metabolic syndrome. There is a growing body of evidence that nutrition can both positively and negatively modulate the toxic effects of pollutant exposure. Diets high in proinflammatory fats, such as linoleic acid, can exacerbate pollutant toxicity, whereas diets rich in bioactive and anti-inflammatory food components, including omega-3 fatty acids and polyphenols, can attenuate toxicant-associated inflammation...
January 11, 2017: Reviews on Environmental Health
https://www.readbyqxmd.com/read/28070834/resveratrol-modulates-gsh-system-in-c6-astroglial-cells-through-heme-oxygenase-1-pathway
#2
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/28067377/luteolin-suppresses-the-jak-stat-pathway-in-a-cellular-model-of-intestinal-inflammation
#3
Carla Nunes, Leonor Almeida, Rui M Barbosa, João Laranjinha
Current treatment strategies for inflammatory bowel diseases (IBDs) are associated with a lower efficacy and with several side effects that strongly affect the quality of life of IBD patients. Consequently, the development of new therapies, combining efficacy and safety is an important goal in the field of intestinal inflammation. In this context, evidence supports that polyphenols can be promising candidates due to their ability to modulate intracellular inflammatory signalling cascades. Luteolin, a naturally occurring flavonoid, exhibits anti-inflammatory properties in several models of inflammation...
January 9, 2017: Food & Function
https://www.readbyqxmd.com/read/28045444/grape-polyphenols-effects-in-human-cardiovascular-diseases-and-diabetes
#4
REVIEW
Zuriñe Rasines-Perea, Pierre-Louis Teissedre
The consumption of fruits and vegetables, as well as foods enriched in bioactive compounds and nutraceuticals, has increased due to consumers' interest in the relevance of food composition for human health. Considerable recent interest has focused on bioactive phenolic compounds in grape, as they possess many biological activities, such as antioxidant, cardioprotective, anticancer, anti-inflammation, anti-ageing and antimicrobial properties. Observational studies indicate that the intake of polyphenol-rich foods improves vascular health, thereby significantly reducing the risk of hypertension, and cardiovascular disease (CVD)...
January 1, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28012964/resveratrol-regulates-gene-transcription-via-activation-of-stimulus-responsive-transcription-factors
#5
REVIEW
Gerald Thiel, Oliver G Rössler
Resveratrol (trans-3,4',5-trihydroxystilbene), a polyphenolic phytoalexin of grapes and other fruits and plants, is a common constituent of our diet and of dietary supplements. Many health-promoting benefits have been connected with resveratrol in the treatment of cardiovascular diseases, cancer, diabetes, inflammation, neurodegeneration, and diseases connected with aging. To explain the pleiotropic effects of resveratrol, the molecular targets of this compound have to be identified on the cellular level. Resveratrol induces intracellular signal transduction pathways which ultimately lead to changes in the gene expression pattern of the cells...
December 21, 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28009871/cocoplum-chrysobalanus-icaco-l-anthocyanins-exert-anti-inflammatory-activity-in-human-colon-cancer-and-non-malignant-colon-cells
#6
Vinicius P Venancio, Paula A Cipriano, Hyemee Kim, Lusânia M G Antunes, Stephen T Talcott, Susanne U Mertens-Talcott
Cocoplum (Chrysobalanus icaco L.) (CP) is an anthocyanin-rich fruit found in tropical areas around the globe. CP polyphenols are associated with beneficial effects on health, including reduction of inflammation and oxidative stress. Due to its functional properties, the consumption of this fruit may be beneficial in the promotion of human health and reduce the risk for chronic diseases. The objective of this study was to assess the anti-inflammatory and anti-proliferative activities of anthocyanins extracted from CP (1...
December 23, 2016: Food & Function
https://www.readbyqxmd.com/read/28006748/a-focus-on-resveratrol-and-ocular-problems-especially-cataract-from-chemistry-to-medical-uses-and-clinical-relevance
#7
REVIEW
Ganesh Goutham, Ramar Manikandan, Manikandan Beulaja, Raman Thiagarajan, Chinnasamy Arulvasu, Munusamy Arumugam, William N Setzer, Maria Daglia, Seyed Fazel Nabavi, Seyed Mohammad Nabavi
Low vision and blindness are important health problems that affect millions of people throughout the world. The most common and important pathologies are diabetic retinopathy, age-related macular degeneration, glaucoma as well as cataracts. The latter consists of an opacification of the lens of the eye which impedes the passage of light and represents one of the most important causes of vision loss. Among the risk factors for cataract development, there are life-style factors such as the use of tobacco, abuse of alcohol and unhealthy diet...
December 19, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28004106/resveratrol-upregulates-socs1-production-by-lipopolysaccharide-stimulated-raw264-7-macrophages-by-inhibiting-mir-155
#8
Chunfang Ma, Yin Wang, Aijuan Shen, Wanru Cai
Resveratrol is a polyphenolic compound extracted from grapes and the Chinese herb, Polygonum cuspidatum. In the present study, in order to elucidate the molecular mechanisms of action of resveratrol in host immune cells, we examined the effects of resveratrol on the inflammatory response in lipopolysaccharide (LPS)‑stimulated RAW264.7 murine macrophages. The cells were treated with resveratrol prior to stimulation with LPS (1 µg/ml). Resveratrol downregulated the expression of inflammatory markers, such as tumor necrosis factor (TNF)-α and interleukin (IL)‑6, induced by LPS, and inhibited the phosphorylation of mitogen-activated protein kinases (MAPKs) and signal transducer and activator of transcription (STAT)1/STAT3...
January 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28003714/therapeutic-effects-of-quercetin-on-inflammation-obesity-and-type-2-diabetes
#9
REVIEW
Shuang Chen, Hongmei Jiang, Xiaosong Wu, Jun Fang
In previous studies, abdominal obesity has been related to total low-grade inflammation and in some cases has resulted in insulin resistance and other metabolism related disorders such as diabetes. Quercetin is a polyphenol, which is a derivative of plants, and has been shown in vitro as well as in a few animal models to have several potential anti-inflammatory as well as anticarcinogenic applications. The substance has also been shown to aid in the attenuation of lipid peroxidation, platelet aggregation, and capillary permeability...
2016: Mediators of Inflammation
https://www.readbyqxmd.com/read/28003205/incorporating-freeze-dried-strawberry-powder-into-a-high-fat-meal-does-not-alter-postprandial-vascular-function-or-blood-markers-of-cardiovascular-disease-risk-a-randomized-controlled-trial
#10
Chesney K Richter, Ann C Skulas-Ray, Trent L Gaugler, Joshua D Lambert, David N Proctor, Penny M Kris-Etherton
BACKGROUND: Postprandial dysmetabolism-an exaggerated spike in triglycerides, glucose, and insulin-increases cardiovascular disease risk by inducing oxidative stress, inflammation, and endothelial dysfunction. Polyphenol-rich foods may blunt these effects when they are incorporated into a high-fat, calorie-dense meal. Strawberries are a rich source of polyphenols, but there is little research on their postprandial effects. OBJECTIVE: This study was designed to investigate the effect of adding 40 g freeze-dried strawberry powder (∼1 lb...
December 21, 2016: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27994500/resveratrol-alleviate-hypoxic-pulmonary-hypertension-via-anti-inflammation-and-anti-oxidant-pathways-in-rats
#11
Dunquan Xu, Yan Li, Bo Zhang, Yanxia Wang, Yi Liu, Ying Luo, Wen Niu, Mingqing Dong, Manling Liu, Haiying Dong, Pengtao Zhao, Zhichao Li
Resveratrol, a plant-derived polyphenolic compound and a phytoestrogen, was shown to possess multiple protective effects including anti-inflammatory response and anti-oxidative stress. Hypoxic pulmonary hypertension (HPH) is a progressive disease characterized by sustained vascular resistance and marked pulmonary vascular remodeling. The exact mechanisms of HPH are still unclear, but inflammatory response and oxidative stress was demonstrated to participate in the progression of HPH. The present study was designed to investigate the effects of resveratrol on HPH development...
2016: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/27989963/tuning-constitutive-and-pathological-inflammation-in-the-gut-via-the-interaction-of-dietary-nitrate-and-polyphenols-with-host-microbiome
#12
Bárbara Rocha, Carla Nunes, João Laranjinha
Chronic inflammation is currently recognized as a critical process in modern-era epidemics such as diabetes, obesity and neurodegeneration. However, little attention is paid to the constitutive inflammatory pathways that operate in the gut and that are mandatory for local welfare and the prevention of such multi-organic diseases. Hence, the digestive system, while posing as a barrier between the external environment and the host, is crucial for the balance between constitutive and pathological inflammatory events...
October 28, 2016: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/27989594/salvianolic-acid-b-protects-against-chronic-alcoholic-liver-injury-via-sirt1-mediated-inhibition-of-crp-and-chrebp-in-rats
#13
Ning Zhang, Yan Hu, Chunchun Ding, Wenjing Zeng, Wen Shan, Hui Fan, Yan Zhao, Xue Shi, Lili Gao, Ting Xu, Ruiwen Wang, Dongyan Gao, Jihong Yao
Salvianolic acid B (SalB), a water-soluble polyphenol extracted from Radix Salvia miltiorrhiza, has been reported to possess many pharmacological activities. This study investigated the hepatoprotective effects of SalB in chronic alcoholic liver disease (ALD) and explored the related signaling mechanisms. In vivo, SalB treatment significantly attenuated ethanol-induced liver injury by blocking the elevation of serum aminotransferase activities and markedly decreased hepatic lipid accumulation by reducing serum and liver triglyceride (TG) and total cholesterol (TC) levels...
December 15, 2016: Toxicology Letters
https://www.readbyqxmd.com/read/27989132/dietary-phytochemicals-and-cancer-chemoprevention-a-perspective-on-oxidative-stress-inflammation-and-epigenetics
#14
Wenji Li, Yue Guo, Chengyue Zhang, Renyi Wu, Anne Yuqing Yang, John Gaspar, Ah-Ng Tony Kong
Oxidative stress occurs when cellular reactive oxygen species levels exceed the self-antioxidant capacity of the body. Oxidative stress induces many pathological changes, including inflammation and cancer. Chronic inflammation is believed to be strongly associated with the major stages of carcinogenesis. The nuclear factor erythroid 2-related factor 2 (Nrf2) pathway plays a crucial role in regulating oxidative stress and inflammation by manipulating key antioxidant and detoxification enzyme genes via the antioxidant response element...
December 19, 2016: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/27987905/physico-chemical-characterization-of-succinyl-chitosan-stabilized-liposomes-for-the-oral-co-delivery-of-quercetin-and-resveratrol
#15
Carla Caddeo, Ramon Pons, Claudia Carbone, Xavier Fernàndez-Busquets, Maria Cristina Cardia, Anna Maria Maccioni, Anna Maria Fadda, Maria Manconi
In the present work, quercetin and resveratrol, natural polyphenols with strong antioxidant and anti-inflammatory properties, were co-loaded in polymer-associated liposomes conceived for oral delivery, by exploiting the potential of pH-sensitive succinyl-chitosan. Chitosan was succinylated, characterized by Nuclear Magnetic Resonance spectroscopy and Gel Permeation Chromatography, and used to form a protective shell on the surface of liposomes. The physico-chemical properties of the succinyl-chitosan liposomes were assessed by light scattering, zeta potential, cryogenic transmission electron microscopy, and small angle X-ray scattering...
February 10, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/27978495/brazilian-red-propolis-improves-cutaneous-wound-healing-suppressing-inflammation-associated-transcription-factor-nf%C3%AE%C2%BAb
#16
Flavia Regina Sobreira Corrêa, Fernanda Seabra Schanuel, Nathalia Moura-Nunes, Andréa Monte-Alto-Costa, Julio Beltrame Daleprane
The use of natural products in wound healing has been extensively studied in the context of complementary and alternative medicine. Propolis, a natural product, is a polyphenol-rich resin used for this purpose. This study aimed to investigate the effect of Brazilian Red Propolis Extract (BRPE) on inflammation and wound healing in mice, using a tissue repair model. The BRPE polyphenol content was analyzed by liquid chromatography coupled to mass spectrometry (LC/MS). A full-thickness excision lesion was created, and mice were treated orally with daily doses of vehicle solution (water-alcohol solution containing 2% of ethanol, control group) or 100mg/kg of BRPE (P100 group) during nine consecutive days...
December 12, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27941615/mechanisms-of-body-weight-reduction-by-black-tea-polyphenols
#17
REVIEW
Haibo Pan, Ying Gao, Youying Tu
Obesity is one of the most common nutritional diseases worldwide. This disease causes health problems, such as dyslipidemia, hyperglycemia, hypertension and inflammation. There are drugs used to inhibit obesity. However, they have serious side effects outweighing their beneficial effects. Black tea, commonly referred to as "fermented tea", has shown a positive effect on reducing body weight in animal models. Black tea polyphenols are the major components in black tea which reduce body weight. Black tea polyphenols are more effective than green tea polyphenols...
December 7, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27935258/polyphenols-from-lonicera-caerulea-l-berry-attenuate-experimental-nonalcoholic-steatohepatitis-by-inhibiting-proinflammatory-cytokines-productions-and-lipid-peroxidation
#18
Shusong Wu, Satoshi Yano, Ayami Hisanaga, Xi He, Jianhua He, Kozue Sakao, De-Xing Hou
SCOPE: Nonalcoholic steatohepatitis (NASH) is a common disease that closely associated with inflammation and oxidative stress, and Lonicera caerulea L. polyphenols (LCP) are reported to possess both antioxidant and anti-inflammatory properties. This study aimed to study the protective effects and mechanisms of LCP on NASH in a high fat diet (HFD) plus carbon tetrachloride (CCL4 )-induced mouse model. METHODS AND RESULTS: Mice were fed with HFD containing LCP (0...
December 9, 2016: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/27918443/human-intervention-study-to-assess-the-effects-of-supplementation-with-olive-leaf-extract-on-peripheral-blood-mononuclear-cell-gene-expression
#19
Anna Boss, Chi Hsiu-Juei Kao, Pamela M Murray, Gareth Marlow, Matthew P G Barnett, Lynnette R Ferguson
Olive leaf extract (OLE) has been used for many years for its putative health benefits, but, to date, scientific evidence for the basis of these effects has been weak. Although recent literature has described a link between ailments such as cardiovascular disease, diabetes and cancer and a protective effect of polyphenols in the OLE, the mode of action is still unclear. Here, we describe a double-blinded placebo (PBO)-controlled trial, in which gene expression profiles of peripheral blood mononuclear cells from healthy male volunteers (n = 29) were analysed to identify genes that responded to OLE, following an eight-week intervention with 20 mL daily consumption of either OLE or PBO...
December 2, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27912886/medicinal-plants-and-natural-molecules-with-in-vitro-and-in-vivo-activity-against-rotavirus-a-systematic-review
#20
REVIEW
Gopalsamy Rajiv Gandhi, Paula Gurgel Barreto, Bruno Dos Santos Lima, Jullyana de Souza Siqueira Quintans, Adriano Antunes de Souza Araújo, Narendra Narain, Lucindo Jose Quintans-Júnior, Ricardo Queiroz Gurgel
BACKGROUND: Rotaviruses can cause life-threatening health disorders, such as severe dehydrating gastroenteritis and diarrhea in children. Vaccination is the main preventive strategy to reduce rotavirus diarrhea and the severity of episodes, but vaccines are not fully effective and new episodes may occur, even in vaccinated children. The WHO recommends oral rehydration therapy and zinc supplementation for rotavirus-induced diarrhea management. There is little preclinical evidence to support the use of phytotherapeutics in the management of rotaviral infections...
December 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
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