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Inflammation polyphenols

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https://www.readbyqxmd.com/read/29333376/anti-inflammatory-and-anti-obesity-properties-of-food-bioactive-components-effects-on-adipose-tissue
#1
REVIEW
Shasika Jayarathne, Iurii Koboziev, Oak-Hee Park, Wilna Oldewage-Theron, Chwan-Li Shen, Naima Moustaid-Moussa
Obesity is an epidemic and costly disease affecting 13% of the adult population worldwide. Obesity is associated with adipose tissue hypertrophy and hyperplasia, as well as pathologic endocrine alterations of adipose tissue including local and chronic systemic low-grade inflammation. Moreover, this inflammation is a risk factor for both metabolic syndrome (MetS) and insulin resistance. Basic and clinical studies demonstrate that foods containing bioactive compounds are capable of preventing both obesity and adipose tissue inflammation, improving obesity-associated MetS in human subjects and animal models of obesity...
December 2017: Preventive Nutrition and Food Science
https://www.readbyqxmd.com/read/29331733/aronia-melanocarpa-fruit-juice-ameliorates-the-symptoms-of-inflammatory-bowel-disease-in-tnbs-induced-colitis-in-rats
#2
Stefka Valcheva-Kuzmanova, Atanas Kuzmanov, Vasilena Kuzmanova, Maria Tzaneva
Trinitrobenzensulfonic acid (TNBS) is commonly used to induce an experimental inflammatory bowel disease (IBD) model. Oxidative stress and inflammation have been proposed as mechanisms underlying the pathophysiology of IBD. Aronia melanocarpa fruit juice (AMFJ) is extremely rich in polyphenolic substances, mainly proanthocyanidins, flavonoids and phenolic acids. The aim of this study was to evaluate the effect of AMFJ in a rat TNBSinduced colitis model and to compare the effect of the juice with that of sulfasalazine...
January 10, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29322691/raspberry-supplementation-improves-insulin-signaling-and-promotes-brown-like-adipocyte-development-in-white-adipose-tissue-of-obese-mice
#3
Tong Xing, Yifei Kang, Xinglian Xu, Bo Wang, Min Du, Mei-Jun Zhu
SCOPE: Excessive lipid accumulation in white adipose tissue (WAT) leads to chronic inflammation and metabolic dysfunction. Raspberry (RB) contains high amount of polyphenolics and dietary fibers. The objective of the study is to evaluate effects of RB supplementation on WAT morphology, inflammation and insulin signaling in high fat diet (HFD)-induced obese mice, and further explore the underlying mechanisms. METHODS AND RESULTS: C57BL/6J mice were fed with a control diet or a HFD supplemented with 0 or 5% freeze dried RB for 12 weeks...
January 10, 2018: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/29312822/effect-of-dark-sweet-cherry-powder-consumption-on-the-gut-microbiota-short-chain-fatty-acids-and-biomarkers-of-gut-health-in-obese-db-db-mice
#4
Jose F Garcia-Mazcorro, Nara N Lage, Susanne Mertens-Talcott, Stephen Talcott, Boon Chew, Scot E Dowd, Jorge R Kawas, Giuliana D Noratto
Cherries are fruits containing fiber and bioactive compounds (e.g., polyphenolics) with the potential of helping patients with diabetes and weight disorders, a phenomenon likely related to changes in the complex host-microbiota milieu. The objective of this study was to investigate the effect of cherry supplementation on the gut bacterial composition, concentrations of caecal short-chain fatty acids (SCFAs) and biomarkers of gut health using an in vivo model of obesity. Obese diabetic (db/db) mice received a supplemented diet with 10% cherry powder (supplemented mice, n = 12) for 12 weeks; obese (n = 10) and lean (n = 10) mice served as controls and received a standard diet without cherry...
2018: PeerJ
https://www.readbyqxmd.com/read/29305909/targeting-oncogenic-transcription-factors-by-polyphenols-a-novel-approach-for-cancer-therapy
#5
REVIEW
Chitra Rajagopal, Manendra Babu Lankadasari, Jesil Mathew Aranjani, K B Harikumar
Inflammation is one of the major causative factor of cancer and chronic inflammation is involved in all the major steps of cancer initiation, progression metastasis and drug resistance. The molecular mechanism of inflammation driven cancer is the complex interplay between oncogenic and tumor suppressive transcription factors which include FOXM1, NF-kB, STAT3,Wnt/β- Catenin, HIF-1α,NRF2, androgen and estrogen receptors. Several products derived from natural sources modulate the expression and activity of multiple transcription factors in various tumor models as evident from studies conducted in cell lines, pre-clinical models and clinical samples...
January 3, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29288757/do-flavanols-rich-natural-products-relieve-obesity-related-insulin-resistance
#6
REVIEW
Ayse Basak Engin, Aristidis M Tsatsakis, Dimitris Tsoukalas, Atilla Engin
Growing evidence support that insulin resistance may occur as a severe problem due to chronic energetic overfeeding and subsequent obesity. When an abundance of glucose and saturated fat enter the cell, impaired blood flow, hypoxia, inflammation and macrophage infiltration in obese adipose tissue may induce oxidative stress and insulin resistance. Excessive circulating saturated fatty acids ectopically accumulate in insulin-sensitive tissues and impair insulin action. In this context, excessive hepatic lipid accumulation may play a central, pathogenic role in insulin resistance...
December 27, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29285143/combination-treatment-with-quercetin-and-resveratrol-attenuates-high-fat-diet-induced-obesity-and-associated-inflammation-in-rats-via-the-ampk%C3%AE-1-sirt1-signaling-pathway
#7
Le Zhao, Fang Cen, Feng Tian, Min-Jie Li, Qi Zhang, Hong-Yi Shen, Xiang-Chun Shen, Ming-Mei Zhou, Jun Du
Diet-induced obesity is associated with systemic inflammation, which is considered to originate predominantly from the adipose tissue. Quercetin and resveratrol are two dietary polyphenols that exhibit anti-inflammatory properties and anti-insulin resistance when administered in isolation or combination (CQR). It remains unknown whether CQR reduces high fat diet (HFD)-induced obesity and inflammation in rats. In the current study, 46 male Wistar rats were divided into two groups, one of which was fed a normal diet (ND, 5...
December 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29285096/anti-inflammatory-effect-of-delphinidin-on-intramedullary-spinal-pressure-in-a-spinal-cord-injury-rat-model
#8
Cheng-Hu Wang, Lin-Lin Zhu, Ke-Feng Ju, Jin-Long Liu, Kun-Peng Li
Delphinidin, a flavonoid polyphenolic compound, is widely found in nature and is used as a food supplement due to its pharmacological activity. The aims of the present study were to examine the anti-inflammatory effect of delphinidin in alleviating spinal cord injury (SCI)-induced inflammation in a rat model and to determine the underlying mechanisms in SCI. The Basso, Beattie, Bresnahan (BBB) scores of rats were assessed to evaluate the effect of delphinidin on the recovery of motor function. ELISA kits were also used to analyze the activities of tumor necrosis factor-α (TNF-α), interleukin (IL)-6, cyclooxygenase-2 (COX-2), prostaglandin E2 (PGE2) and caspase-3...
December 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29245931/silibinin-protects-against-osteoarthritis-through-inhibiting-the-inflammatory-response-and-cartilage-matrix-degradation-in-vitro-and-in-vivo
#9
Wenhao Zheng, Zhenhua Feng, Yiting Lou, Chunhui Chen, Chuanxu Zhang, Zhenyu Tao, Hang Li, Liang Cheng, Xiaozhou Ying
Osteoarthritis (OA) is a degenerative joint disease characterized by cartilage degradation and inflammation. Silibinin, a polyphenolic flavonoid derived from fruits and seeds of Silybum marianum, has been reported to possess various potent beneficial biological effects, such as antioxidant, anti-cancer, hepatoprotective and anti-inflammatory activities. However, the anti-inflammatory effects of silibinin on OA have not been reported. This study aimed to assess the effects of silibinin on OA both in vitro and in vivo...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29243061/neuroprotective-effect-of-curcumin-against-cerebral-ischemia-reperfusion-via-mediating-autophagy-and-inflammation
#10
Lifa Huang, Chengwei Chen, Xin Zhang, Xu Li, Zupeng Chen, Chao Yang, Xiaolong Liang, Guochong Zhu, Zhen Xu
Curcumin, a polyphenolic compound extracted from Curcuma longa, has drawn attention for its effective bioactivities against ischemia-induced injury. This study aimed to evaluate the neuroprotective effect of curcumin and investigate the underlying mechanism that mediates autophagy and inflammation in an animal model of middle cerebral artery occlusion (MCAO) in rats. Curcumin was delivered to Sprague Dawley male rats at a dose of 200 mg/kg curcumin by intraperitoneal injection 30 min after ischemia-reperfusion (I/R)...
December 15, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/29232891/the-effect-of-polyphenol-rich-interventions-on-cardiovascular-risk-factors-in-haemodialysis-a-systematic-review-and-meta-analysis
#11
REVIEW
Wolfgang Marx, Jaimon Kelly, Skye Marshall, Stacey Nakos, Katrina Campbell, Catherine Itsiopoulos
End-stage kidney disease is a strong risk factor for cardiovascular-specific mortality. Polyphenol-rich interventions may attenuate cardiovascular disease risk factors; however, this has not been systematically evaluated in the hemodialysis population. Using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines, the following databases were searched: Cochrane Library (http://www.cochranelibrary.com/), MEDLINE (https://health.ebsco.com/products/medline-with-full-text), Embase (https://www...
December 11, 2017: Nutrients
https://www.readbyqxmd.com/read/29231216/aronia-citrus-juice-polyphenol-rich-juice-intake-and-elite-triathlon-training-a-lipidomic-approach-using-representative-oxylipins-in-urine
#12
Libia Alejandra García-Flores, Sonia Medina, Cristina Gómez, Craig E Wheelock, Roberto Cejuela, José Miguel Martínez-Sanz, Camille Oger, Jean-Marie Galano, Thierry Durand, Álvaro Hernández-Sáez, Federico Ferreres, Ángel Gil-Izquierdo
In the present study, we examined whether particular urinary oxylipins (isoprostanes (IsoPs), leukotrienes (LTs), prostaglandins (PGs), and thromboxanes (TXs)) in 16 elite triathletes could alter during 145 days of training. Within this time span, 45 days were dedicated to examining the effects of the intake of a beverage rich in polyphenols (one serving: 200 mL per day) supplemented in their diet. The beverage was a mixture of citrus juice (95%) and Aronia melanocarpa juice (5%) (ACJ). Fifty-two oxylipins were analyzed in the urine...
December 12, 2017: Food & Function
https://www.readbyqxmd.com/read/29229986/high-fat-diet-induced-obesity-impairs-insulin-signaling-in-lungs-of-allergen-challenged-mice-improvement-by-resveratrol
#13
Diana M André, Marina C Calixto, Carolina Sollon, Eduardo C Alexandre, Edith B G Tavares, Ana C A Naime, Gabriel F Anhê, Edson Antunes
Insulin resistance plays an important role in obesity-associated asthma exacerbations. Using a murine model of allergic airway inflammation, we evaluated the insulin signaling transmission in lungs of obese compared with lean mice. We further evaluated the effects of the polyphenol resveratrol in the pulmonary insulin signaling. In lean mice, insulin stimulation significantly increased phosphorylations of AKT, insulin receptor substrate 1 (IRS-1) and insulin receptor β (IRβ) in lung tissue and isolated bronchi (p < 0...
December 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29227717/quercetin-restores-corticosteroid-sensitivity-in-cells-from-patients-with-chronic-obstructive-pulmonary-disease
#14
Akihisa Mitani, Aishah Azam, Chaitanya Vuppusetty, Kazuhiro Ito, Nicolas Mercado, Peter J Barnes
Corticosteroid resistance is a major barrier to the effective treatment of chronic obstructive pulmonary disease (COPD). Oxidative stress from cigarette smoke and chronic inflammation is likely to induce this corticosteroid insensitivity. Quercetin is a polyphenol that has been reported to be an active oxygen scavenger as well as a functional adenosine monophosphate-activated protein kinase (AMPK) activator. The aim of this study was to investigate the effect of quercetin on corticosteroid responsiveness in COPD cells...
December 11, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/29227497/dietary-fruits-and-arthritis
#15
REVIEW
Arpita Basu, Jace Schell, R Hal Scofield
Arthritis is a global health concern affecting a significant proportion of the population and associated with reduced quality of life. Among the different forms of arthritis, osteoarthritis (OA) and rheumatoid arthritis (RA) are the most common and lacking a definite cure in the affected individuals. Fruits, such as berries and pomegranates are rich sources of a variety of dietary bioactive compounds, especially the polyphenolic flavonoids that have been associated with antioxidant, anti-inflammatory and analgesic effects...
December 11, 2017: Food & Function
https://www.readbyqxmd.com/read/29227203/therapeutic-charm-of-quercetin-and-its-derivatives-a-review-of-research-and-patents
#16
Ajay Sharma, Dharambir Kashyap, Katrin Sak, Hardeep Singh Tuli, Anil K Sharma
Bioactive polyphenolic compounds derived from plants are being utilized for prevention of various chronic diseases including cancer and cardiovascular disorders. Quercetin, a potential poly-phenolic flavonol, found in onions, apples and berries, has been implicated against cancer proliferation, chronic inflammation and various other oxidative manifestations. Evidences suggested that quercetin negatively regulates the numerous crucial signaling pathways associated with life-threatening diseases. Major signaling pathways including NF-κB, MAPK, PI3K-AKT and mTOR are found to be regulated by quercetin...
December 11, 2017: Pharmaceutical Patent Analyst
https://www.readbyqxmd.com/read/29225112/fisetin-a-bioactive-phytochemical-with-potential-for-cancer-prevention-and-pharmacotherapy
#17
REVIEW
Dharambir Kashyap, Ajay Sharma, Katrin Sak, Hardeep Singh Tuli, Harpal Singh Buttar, Anupam Bishayee
A wide variety of chronic diseases, such as neurodegenerative and cardiovascular disorders, diabetes mellitus, osteoarthtitis, obesity and various cancers, are now being treated with cost effective phytomedicines. Since synthetic medicines are very expensive, concerted efforts are being made in developing and poor countries to discover cost effective medicines for the treatment of non-communicable diseases (NCDs). Understanding the underlying mechanisms of bioactive medicines from natural sources would not only open incipient avenues for the scientific community and pharmaceutical industry to discover new drug molecules for the therapy of NCDs, but also help to garner knowledge for alternative therapeutic approaches for the management of chronic diseases...
December 7, 2017: Life Sciences
https://www.readbyqxmd.com/read/29223600/trans-%C3%AE%C2%B5-viniferin-is-an-amyloid-%C3%AE-disaggregating-and-anti-inflammatory-drug-in-a-mouse-primary-cellular-model-of-alzheimer-s-disease
#18
Elodie Vion, Guylène Page, Eric Bourdeaud, Marc Paccalin, Jérôme Guillard, Agnès Rioux Bilan
Alzheimer's disease (AD) is marked by several cellular and molecular damage. Therefore, the therapeutic interest of multi-target molecules is increasingly justified. Polyphenols presenting multiple pharmacological effects would be more efficient. In this study, beneficial effects of trans ε-viniferin, a natural polyphenol were thus evaluated. This study reported that this stilbenoid (1) induced the disaggregation of amyloid β (Aβ) peptide and (2) rescued inflammation in murine primary neuronal cultures. These both effects are higher than those of resveratrol, and so, trans ε-viniferin could be a good therapeutic multi-target candidate...
December 6, 2017: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/29221725/protective-effects-of-polyphenol-rich-infusions-from-carob-ceratonia-siliqua-leaves-and-cladodes-of-opuntia-ficus-indica-against-inflammation-associated-with-diet-induced-obesity-and-dss-induced-colitis-in-swiss-mice
#19
Ikram Aboura, Abdelhafid Nani, Meriem Belarbi, Babar Murtaza, Aurélie Fluckiger, Adélie Dumont, Chahid Benammar, Moufida Saidani Tounsi, François Ghiringhelli, Mickaël Rialland, Naim Akhtar Khan, Aziz Hichami
In the present study, we have investigated the effects of polyphenol-rich infusions from carob leaves and OFI-cladodes on inflammation associated with obesity and dextran sulfate sodium (DSS)-induced ulcerative colitis in Swiss mice. In vitro studies revealed that aqueous extracts of carob leaves and OFI-cladodes exhibited anti-inflammatory properties marked by the inhibition of IL-6, TNF-α and nitric oxide (NO) production in lipopolysaccharide (LPS)-stimulated RAW 264.7 cells concomitant with NF-κβ nucleus translocation inhibition...
December 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29211803/hypoxia-and-inactivity-related-physiological-changes-precede-or-take-place-in-absence-of-significant-rearrangements-in-bacterial-community-structure-the-planhab-randomized-trial-pilot-study
#20
Robert Šket, Nicole Treichel, Susanne Kublik, Tadej Debevec, Ola Eiken, Igor Mekjavić, Michael Schloter, Marius Vital, Jenna Chandler, James M Tiedje, Boštjan Murovec, Zala Prevoršek, Matevž Likar, Blaž Stres
We explored the assembly of intestinal microbiota in healthy male participants during the randomized crossover design of run-in (5 day) and experimental phases (21-day normoxic bed rest (NBR), hypoxic bed rest (HBR) and hypoxic ambulation (HAmb) in a strictly controlled laboratory environment, with balanced fluid and dietary intakes, controlled circadian rhythm, microbial ambiental burden and 24/7 medical surveillance. The fraction of inspired O2 (FiO2) and partial pressure of inspired O2 (PiO2) were 0.209 and 133...
2017: PloS One
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