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Inflammation polyphenols

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https://www.readbyqxmd.com/read/28531112/effects-of-polyphenols-on-oxidative-stress-mediated-injury-in-cardiomyocytes
#1
REVIEW
Rosanna Mattera, Monica Benvenuto, Maria Gabriella Giganti, Ilaria Tresoldi, Francesca Romana Pluchinotta, Sonia Bergante, Guido Tettamanti, Laura Masuelli, Vittorio Manzari, Andrea Modesti, Roberto Bei
Cardiovascular diseases are the main cause of mortality and morbidity in the world. Hypertension, ischemia/reperfusion, diabetes and anti-cancer drugs contribute to heart failure through oxidative and nitrosative stresses which cause cardiomyocytes nuclear and mitochondrial DNA damage, denaturation of intracellular proteins, lipid peroxidation and inflammation. Oxidative or nitrosative stress-mediated injury lead to cardiomyocytes apoptosis or necrosis. The reactive oxygen (ROS) and nitrogen species (RNS) concentration is dependent on their production and on the expression and activity of anti-oxidant enzymes...
May 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28526925/polyphenolic-extract-attenuates-fatty-acid-induced-steatosis-and-oxidative-stress-in-hepatic-and-endothelial-cells
#2
Laura Vergani, Giulia Vecchione, Francesca Baldini, Elena Grasselli, Adriana Voci, Piero Portincasa, Pier Francesco Ferrari, Bahar Aliakbarian, Alessandro A Casazza, Patrizia Perego
PURPOSE: Phenolic compounds (PC) of virgin olive oil exert several biochemical and pharmacological beneficial effects. Some dietary PC seem to prevent/improve obesity and metabolic-related disorders such as non-alcoholic fatty liver disease (NAFLD). We investigated the possible effects of PC extracted from olive pomace (PEOP) and of the main single molecules present in the extract (tyrosol, apigenin, oleuropein, p-coumaric and caffeic acid) in protecting hepatocytes and endothelial cells against triglyceride accumulation and oxidative stress...
May 19, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28524103/potential-impact-of-nutrition-on-immune-system-recovery-from-heavy-exertion-a-metabolomics-perspective
#3
REVIEW
David C Nieman, Susan Hazels Mitmesser
This review describes effective and ineffective immunonutrition support strategies for the athlete, with a focus on the benefits of carbohydrates and polyphenols as determined from metabolomics-based procedures. Athletes experience regular cycles of physiological stress accompanied by transient inflammation, oxidative stress, and immune perturbations, and there are increasing data indicating that these are sensitive to nutritional influences. The most effective nutritional countermeasures, especially when considered from a metabolomics perspective, include acute and chronic increases in dietary carbohydrate and polyphenols...
May 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28524086/dietary-green-pea-protects-against-dss-induced-colitis-in-mice-challenged-with-high-fat-diet
#4
Shima Bibi, Luís Fernando de Sousa Moraes, Noelle Lebow, Mei-Jun Zhu
Obesity is a risk factor for developing inflammatory bowel disease. Pea is unique with its high content of dietary fiber, polyphenolics, and glycoproteins, all of which are known to be health beneficial. We aimed to investigate the impact of green pea (GP) supplementation on the susceptibility of high-fat diet (HFD)-fed mice to dextran sulfate sodium (DSS)-induced colitis. Six-week-old C57BL/6J female mice were fed a 45% HFD or HFD supplemented with 10% GP. After 7-week dietary supplementation, colitis was induced by adding 2...
May 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28509410/anti-inflammatory-anti-osteoclastic-and-antioxidant-activities-of-genistein-protect-against-alveolar-bone-loss-and-periodontal-tissue-degradation-in-a-mouse-model-of-periodontitis
#5
Govinda Bhattarai, Sher Bahadur Poudel, Sung-Ho Kook, Jeong-Chae Lee
Genistein, a dietary polyphenol primarily found in soy products, has beneficial effects on bone. However, the effect of genistein on inflammatory periodontal destruction has not been investigated in detail. We explored whether genistein protects against lipopolysaccharide (LPS)/ligature-induced periodontitis in mice. We also examined the effect of genistein on LPS-stimulated inflammatory and oxidative stress using RAW 264.7 macrophages and human gingival fibroblasts (hGFs). The results from μCT and histological analyses revealed that intraperitoneal injection of genistein (20 mg/kg body weight) daily for three weeks inhibited LPS-mediated alveolar bone loss and periodontal tissue degradation...
May 16, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28507005/perspective-what-makes-it-so-difficult-to-mitigate-worldwide-anemia-prevalence
#6
Klaus Schümann, Noel W Solomons
Anemia can be related to decreased production or increased loss of erythrocytes, or both, leading to many underlying and often overlapping causes. A largely cereal-based diet with plenty of phytates, polyphenols, and other ligands that inhibit intestinal iron absorption predominated in preindustrial Europe and predominates in present-day developing countries alike. In both situations, we find poor hygienic conditions, which frequently lead to anemia of inflammation. The large number of possible causes and their interaction shows why it is so difficult to mitigate anemia prevalence...
May 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28498017/dietary-supplements-as-surrogate-of-mediterranean-diet-in-healthy-smoking-subjects
#7
Sonya Vasto, Giulia Accardi, Anna Aiello, Francesca Di Gaudio, Annalisa Barera, Serena Indelicato, Damiano Galimberti, Emilio Italiano, Roberto Monastero, Claudia Rizzo, Calogero Caruso, Giuseppina Candore
The interventions to slow ageing, favouring active life expectancy, represent the new perspectives in ageing investigation. Some mechanisms that delay or prevent the onset of ageing pathologies have been identified. Between them, a healthy lifestyle seems to reduce many risk factors. In particular, eating habits represent the most concrete, low cost way to act on ageing process. Mediterranean diet has received much attention since it has been consistently demonstrated its anti-oxidant and anti-inflammatory effects...
May 12, 2017: Rejuvenation Research
https://www.readbyqxmd.com/read/28495310/resveratrol-inhibits-urban-particulate-matter-induced-cox-2-pge2-release-in-human-fibroblast-like-synoviocytes-via-the-inhibition-of-activation-of-nadph-oxidase-ros-nf-%C3%AE%C2%BAb
#8
Ming-Horng Tsai, Lee-Fen Hsu, Chiang-Wen Lee, Yao-Chang Chiang, Ming-Hsueh Lee, Jia-Mei How, Ching-Mei Wu, Chieh-Liang Huang, I-Ta Lee
Human fibroblast-like synoviocytes (FLSs) play a role in joint synovial inflammation in rheumatoid arthritis (RA). Some evidence indicates that particulate matter (PM) in air pollution could contribute to the progression of RA. However, more research is needed to clarify this relationship. Up-regulation of cyclooxygenase (COX)-2 and its metabolite prostaglandin E2 (PGE2) are implicated in various inflammatory diseases. Resveratrol, a polyphenol found mainly in grapes and red wine, has antioxidant and anti-inflammatory activities...
May 8, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28494341/dyospiros-kaki-phenolics-inhibit-colitis-and-colon-cancer-cell-proliferation-but-not-gelatinase-activities
#9
Rosa Direito, Ana Lima, João Rocha, Ricardo Boavida Ferreira, Joana Mota, Patrícia Rebelo, Adelaide Fernandes, Rui Pinto, Paula Alves, Rosário Bronze, Bruno Sepodes, Maria-Eduardo Figueira
Polyphenols from persimmon (Diospyros kaki) have demonstrated radical-scavenging and antiinflammatory activities; however, little is known about the effects of persimmon phenolics on inflammatory bowel diseases (IBD) and colorectal cancer (CRC). Therefore, we aimed in this work to characterize the antiinflammatory and antiproliferative effects of a persimmon phenolic extract (80% acetone in water), using an in vivo model of experimental colitis and a model of cancer cell invasion. Our results show, for the first time, a beneficial effect of a persimmon phenolic extract in the attenuation of experimental colitis and a potential antiproliferative effect on cultured colon cancer cells...
March 30, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28489052/crude-ecklonia-cava-flake-extracts-attenuate-inflammation-through-the-regulation-of-tlr4-signaling-pathway-in-lps-induced-raw264-7-cells
#10
Ji-Hyun Hwang, Kui-Jin Kim, Boo-Yong Lee
We investigated the beneficial effects of the crude Ecklonia cava flake (CEF), which is a residual product after polyphenol extraction from Ecklonia cava, on inflammation in LPS-stimulated RAW264.7 cells. A group of five different CEF extracts was obtained by a preparation process using water, hydrochloric acid or temperature. We observed that large-size (>19 kDa) CEF extract, which was extracted with water at 95 °C (CEF-W, 95 °C), suppressed the production of inflammatory cytokines by inhibiting its mRNA expression in LPS-induced RAW264...
May 10, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28487468/epigallocatechin-gallate-has-pleiotropic-effects-on-transmembrane-signaling-by-altering-the-embedding-of-transmembrane-domains
#11
Feng Ye, Chansik Yang, Jiyoon Kim, Christopher J MacNevin, Klaus M Hahn, Dongeun Park, Mark H Ginsberg, Chungho Kim
Epigallocatechin gallate (EGCG) is the principal bioactive ingredient in green tea and has been reported to have many health benefits. EGCG influences multiple signal transduction pathways related to human diseases, including redox, inflammation, cell cycle, and cell adhesion pathways. However, the molecular mechanisms of these varying effects are unclear, limiting further development and utilization of EGCG as a pharmaceutical compound. Here, we examined the effect of EGCG on two representative transmembrane signaling receptors, integrin αIIbβ3 and epidermal growth factor receptor (EGFR)...
May 9, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28479719/caffeic-acid-phenethyl-ester-cape-prevents-development-of-stz-icv-induced-dementia-in-rats
#12
Manish Kumar, Devinder Kaur, Nitin Bansal
BACKGROUND: Chronic oxidative stress and inflammation severely affect the normal physiology of neurons and lead to neurodegenerative disorders such as Alzheimer's disease (AD). Polyphenols proved a boon in the prevention of dementia due to their antioxidant and neuroprotective potential. Caffeic acid phenethyl ester (CAPE) is a natural polyphenolic compound attributed with antioxidant, immunomodulatory, and neuroprotective properties. OBJECTIVE: The present study investigates the effect of CAPE on experimental dementia in rats...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28479696/probable-benefits-of-green-tea-with-genetic-implications
#13
REVIEW
Kavita Singhal, Neerja Raj, Khushboo Gupta, Saurabh Singh
Tea is produced from the Camellia sinensis plant and can generally be divided into categories based on how they are processed. In general, green tea that is unfermented C. sinensis has been considered superior to black tea in health benefits. It contains a unique set of catechins that possess biological activity as antioxidant, anti-inflammatory and antiproliferative, which is potentially significant to the prevention and treatment of various forms of diseases. Oral cavity oxidative stress and inflammation, consequent cigarettes due to nicotine and acrolein, may be reduced in the presence of green tea polyphenols...
January 2017: Journal of Oral and Maxillofacial Pathology: JOMFP
https://www.readbyqxmd.com/read/28479099/protective-effect-of-chlorogenic-acid-against-methotrexate-induced-oxidative-stress-inflammation-and-apoptosis-in-rat-liver-an-experimental-approach
#14
Nemat Ali, Summya Rashid, Sana Nafees, Syed Kazim Hasan, Ayaz Shahid, Ferial Majed, Sarwat Sultana
Methotrexate (MTX) is a drug which is used to treat different types of cancers but hepatotoxicity limits its clinical use. Chlorogenic acid (CGA) is one of the most abundant naturally occurring polyphenols in the human diet. Here, we assessed the effect of CGA against MTX-induced hepatotoxicity and investigated the underlying possible mechanisms in Wistar Rats. Rats were pre-treated with CGA (50 or 100 mg kg/b.w) and administered a single dose of MTX (20 mg/kg, b.w.). MTX caused hepatotoxicity as evidenced by significant increase in serum toxicity markers, histopathological changes...
May 4, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28472941/effect-of-solvents-extraction-on-phytochemical-components-and-biological-activities-of-tunisian-date-seeds-var-korkobbi-and-arechti
#15
Amira Thouri, Hassiba Chahdoura, Amira El Arem, Amel Omri Hichri, Rihab Ben Hassin, Lotfi Achour
BACKGROUND: The interest in natural antioxidants, especially polyphenols, is growing more and more thanks to their positive contribution to human health. Thus, the prevention from the harmful action of oxidative stress which has been involved in many diseases such as cancer, inflammation diabetes, and cardiovascular illness. Recent research proved the bioactive compounds richness of date seeds which could be a good biological matrix of natural antioxidants. Unfortunately, an important quantity of Tunisian dates seed is discarded yearly...
May 4, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28460353/baicalin-ameliorates-chronic-unpredictable-mild-stress-induced-depressive-behavior-involving-the-inhibition-of-nlrp3-inflammasome-activation-in-rat-prefrontal-cortex
#16
Xiaoxin Liu, Chao Liu
Abnormal activation of nucleotide-binding domain, leucine-rich repeat, pyrin domain containing protein 3 (NLRP3) inflammasome could induce inflammation in the central nervous system and result in the hyperactivity of HPA axis, which were involved in the pathophysiology of depression. Baicalin, a major polyphenol compound extracts from Scutellaria radix roots, has been previously confirmed to normalize the hyperactivity of HPA axis in rats received chronic mild stress. However, its antidepressant effects and mechanisms are remains unclear in chronic unpredictable mild stress (CUMS) model of depression...
April 28, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28460128/inflamed-fat-and-mitochondrial-dysfunction-in-end-stage-renal-disease-links-to-hypoxia-could-curcumin-be-of-benefit
#17
Peter Stenvinkel, Volker H Haase
Inflamed adipose tissue and muscular mitochondrial dysfunction are linked and together these alterations may contribute to several sinister components of the uremic phenotype, such as muscle wasting, frailty, inflammation and dysfunctional adipose tissue with insulin resistance. Although the cause(s) of inflamed fat and mitochondrial dysfunction are likely multifactorial, tissue hypoxia may be an important player since hypoxia promote inflammatory processes and alter mitochondrial function. Among several transcription factors, hypoxia-inducible factor (HIF-1) play a prominent role in the adaption to hypoxia at the cellular level...
April 28, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28459555/ameliorative-effect-of-ecklonia-cava-polyphenol-extract-on-renal-inflammation-associated-with-aberrant-energy-metabolism-and-oxidative-stress-in-high-fat-diet-induced-obese-mice
#18
Hyeyoon Eo, Ji Eun Park, You-Jin Jeon, Yunsook Lim
Immoderate fat accumulation causes both oxidative stress and inflammation, which can induce kidney damage in obesity. Previously, Ecklonia cava has shown anti-inflammatory and antioxidative effects. Our group aimed to investigate whether E. cava polyphenol extract (ECPE) improves renal damage in high fat diet (HFD)-induced obese mice through regulation of not only energy metabolism but also oxidative stress and inflammation. After obesity induction by HFD, the mice were treated with different dosages of ECPE (100 or 500 mg/kg/day) by gavage for 12 weeks...
May 5, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28458160/resveratrol-and-endometriosis-in-vitro-and-animal-studies-and-underlying-mechanisms-review
#19
REVIEW
Roya Kolahdouz Mohammadi, Tahereh Arablou
Endometriosis is characterized by the existence of endometrial tissue and stroma exterior to the uterus. Despite the high prevalence, the etiology of endometriosis remains elusive. The search for the most promising compounds for treatment of endometriosis has led to the identification of resveratrol. Resveratrol, a plant-derived polyphenolic phytoalexin, demonstrates broad-spectrum health beneficial effects, including anti-proliferative, anti-inflammatory, antineoplastic and antioxidant. Because of these properties and its wide distribution in plants, resveratrol is proposed as a great potential to treat endometriosis...
April 27, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28458157/anti-inflammatory-and-anti-oxidant-effects-of-cardamom-elettaria-repens-sonn-baill-and-its-phytochemical-analysis-by-4d-gcxgc-tof-ms
#20
Hemanth Kumar Kandikattu, P Rachitha, G V Jayashree, K Krupashree, M Sukhith, Abdul Majid, Narayanappa Amruta, Farhath Khanum
Elleteria repens is a large cardamom used in the culinary preparations. In the present study, we have evaluated in vitro antioxidant and free radical scavenging activities E. repens hexane extract (ERH) exhibited DPPH and metal chelating activity with IC50 values of 464±28.3μg/ml, 199±7.2μg/ml whereas the reducing power and antioxidant activities are found to be 289±14.6 AAE/mg, 468±22.7 GAE/mg. The observed antioxidant activities could be correlated with metabolites such as polyphenol, flavonoid, and terpenoid group of compounds identified in hexane fraction of E...
April 27, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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