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Inflammation polyphenols

Narges Amel Zabihi, Matteo Pirro, Thomas P Johnston, Amirhossein Sahebkar
Nonalcoholic fatty liver disease (NAFLD) is the most common type of liver disease. NAFLD is considered a multifactorial disease and a clinically relevant hepatic manifestation of metabolic syndrome. NAFLD is often accompanied by a constellation of metabolic and non-metabolic alterations, like dyslipidemia, insulin resistance in the liver and peripheral tissues, inflammation and oxidative stress; therefore, treatment of NAFLD should be directed at correcting all of these disturbances. The natural polyphenol curcumin has been the subject of increasing research for the treatment of NAFLD due to its lipid-modifying, antioxidant, anti-inflammatory, insulin-sensitizing, anti-steatotic, and anti-fibrotic properties...
October 10, 2016: Current Pharmaceutical Design
Carla Marrassini, Claudia Anesini
There is a well known link between inflammation and cancer during initiation, propagation and metastasis. Urera aurantiaca (UA) Wedd. (Urticaceae) is a medicinal plant used in traditional medicine to treat inflammatory processes with proven in vivo antiinflammatory and antinociceptive effects. The effects of a methanolic extract (UA) and a purified fraction (PF) on the proliferation of normal and tumoral lymphocytes under the effect of prostaglandin E2 (PGE2 ) and on nitric oxide production by lipopolysaccharide-stimulated macrophages was evaluated...
October 17, 2016: Phytotherapy Research: PTR
Maryam Saberi Karimian, Matteo Pirro, Muhammed Majeed, Amirhossein Sahebkar
Monocyte chemoattractant/chemotactic protein-1 (MCP-1), a member of the CC chemokine family, is one of the key chemokines that regulate migration and tissue infiltration of monocytes/macrophages. Its role in the pathophysiology of several inflammatory diseases has been widely recognized, thus making MCP-1 a possible target for anti-inflammatory treatments. Curcumin (diferuloylmethane) is a natural polyphenol derived from the rhizomes of Curcuma Longa L. (turmeric). Anti-inflammatory action underlies numerous pharmacological effects of curcumin in the control and prevention of several diseases...
October 8, 2016: Cytokine & Growth Factor Reviews
Débora Villaño, Cristina Vilaplana, Sonia Medina, Francisco Algaba-Chueca, Roberto Cejuela-Anta, Jose Miguel Martínez-Sanz, Federico Ferreres, Angel Gil-Izquierdo
The effects of polyphenol-rich foods on the iron status of athletes, as well as the effect of physical training on the hormone hepcidin, implicated in iron metabolism, are not clear. We investigated the influence on iron metabolism of a long-term training intervention of 120 days, measuring the hepcidin concentration in the plasma of 16 elite triathletes, and the effect of the ingestion of 200 mL of either aronia-citrus juice or a placebo drink for 45 days, in a crossover design. The highest plasma hepcidin concentrations were observed at the beginning of the study (116 ± 63 nM) and levels steadily decreased until the end of the intervention (final value 10 ± 7...
October 8, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Tarique Hussain, Bie Tan, Yulong Yin, Francois Blachier, Myrlene C B Tossou, Najma Rahu
Oxidative stress is viewed as an imbalance between the production of reactive oxygen species (ROS) and their elimination by protective mechanisms, which can lead to chronic inflammation. Oxidative stress can activate a variety of transcription factors, which lead to the differential expression of some genes involved in inflammatory pathways. The inflammation triggered by oxidative stress is the cause of many chronic diseases. Polyphenols have been proposed to be useful as adjuvant therapy for their potential anti-inflammatory effect, associated with antioxidant activity, and inhibition of enzymes involved in the production of eicosanoids...
2016: Oxidative Medicine and Cellular Longevity
Xavier Capó, Miquel Martorell, Antoni Sureda, Joan Riera, Franchek Drobnic, Josep Antoni Tur, Antoni Pons
n-3-polyunsaturated fatty acids and polyphenols are potential key factors for the treatment and prevention of chronic inflammation associated to ageing and non-communicable diseases. The aim was to analyse effects of an almond and olive oil beverage enriched with α-tocopherol and docosahexaenoic, exercise and age on inflammatory plasma markers, and immune gene expression in peripheral blood mononuclear cells (PBMCs). Five young and five senior athletes who were supplemented for five weeks with a functional beverage performed a stress test under controlled conditions before and after beverage supplementation...
October 9, 2016: Nutrients
Mamoru Takeda, Shiori Takehana, Kenta Sekiguchi, Yoshiko Kubota, Yoshihito Shimazu
Changes to somatic sensory pathways caused by peripheral tissue, inflammation or injury can result in behavioral hypersensitivity and pathological pain, such as hyperalgesia. Resveratrol, a plant polyphenol found in red wine and various food products, is known to have several beneficial biological actions. Recent reports indicate that resveratrol can modulate neuronal excitability, including nociceptive sensory transmission. As such, it is possible that this dietary constituent could be a complementary alternative medicine (CAM) candidate, specifically a therapeutic agent...
October 11, 2016: International Journal of Molecular Sciences
Lixia Chen, Huanbiao Mo, Ling Zhao, Weimin Gao, Shu Wang, Meghan M Cromie, Chuanwen Lu, Jia-Sheng Wang, Chwan-Li Shen
Pesticides, smoke, mycotoxins, polychlorinated biphenyls (PCBs), and arsenic are the most common environmental toxins and toxicants to humans. These toxins and toxicants may impact on human health at the molecular (DNA, RNA, or protein), organelle (mitochondria, lysosome, or membranes), cellular (growth inhibition or cell death), tissue, organ, and systemic levels. Formation of reactive radicals, lipid peroxidation, inflammation, genotoxicity, hepatotoxicity, embryotoxicity, neurological alterations, apoptosis, and carcinogenic events are some of the mechanisms mediating the toxic effects of the environmental toxins and toxicants...
May 27, 2016: Journal of Nutritional Biochemistry
Sreetama Choudhury, Sayan Ghosh, Sudeshna Mukherjee, Payal Gupta, Saurav Bhattacharya, Arghya Adhikary, Sreya Chattopadhyay
Molecular mechanisms involved in arsenic-induced toxicity are complex and elusive. Liver is one of the most favored organs for arsenic toxicity as methylation of arsenic occurs mostly in the liver. In this study, we have selected a range of environmentally relevant doses of arsenic to examine the basis of arsenic toxicity and the role of pomegranate fruit extract (PFE) in combating it. Male Swiss albino mice exposed to different doses of arsenic presented marked hepatic injury as evident from histological and electron microscopic studies...
September 6, 2016: Journal of Nutritional Biochemistry
Antonio Colantuono, Rosalia Ferracane, Paola Vitaglione
Obesity is an urgent social problem and new functional foods providing polyphenols and dietary fibers (DF) may be promising tools to modulate oxidative stress, inflammation and energy homeostasis. Pomegranate peels (PPe) are an agro-industrial by-product containing polyphenols such as ellagitannins (ETs), gallic acid (GA), ellagic acid (EA) and its derivatives (EAs), as well as DF. In this study, PPe enriched cookies (PPeC) were developed, and the bioaccessibility as well as the ability of their polyphenols to exert antioxidant activity along the Gastro-intestinal Tract (GiT) and to modulate digestive enzymes were evaluated in vitro...
October 12, 2016: Food & Function
Md Asiful Islam, Fahmida Alam, Md Solayman, Md Ibrahim Khalil, Mohammad Amjad Kamal, Siew Hua Gan
Cumulatively, degenerative disease is one of the most fatal groups of diseases, and it contributes to the mortality and poor quality of life in the world while increasing the economic burden of the sufferers. Oxidative stress and inflammation are the major pathogenic causes of degenerative diseases such as rheumatoid arthritis (RA), diabetes mellitus (DM), and cardiovascular disease (CVD). Although a number of synthetic medications are used to treat these diseases, none of the current regimens are completely safe...
2016: Oxidative Medicine and Cellular Longevity
Yuan Zong, Huali Zhang
Sepsis is a serious medical problem and is one of the main causes of high mortality in intensive care units. Fifty percent of patients with severe sepsis will develop acute lung injury (ALI). Amentoflavone (AMF) is a polyphenolic compound possessing potent anti-inflammatory activities. The study aimed to explore the protective effects of AMF against ALI in cecal ligation and puncture (CLP)-induced septic rats. The results showed that AMF administration protected against septic ALI, as reflected by marked amelioration of histological injury of lung tissues and decrease of pulmonary edema in CLP-treated rats...
October 8, 2016: Acta Biochimica Polonica
Natalia I Chekalina, Yuri M Kazakov, Tatyana V Mamontova, Ludmila E Vesnina, Igor P Kaidashev
INTRODUCTION: endothelial dysfunction (ED) is one of the most important links in the pathogenesis of atherosclerosis (ASVD) - morphological basis of coronary artery disease (CAD). OBJECTIVE: to study the effect of polyphenolic antioxidants, resveratrol and quercetin, on endothelial degeneration factors in CAD patients. MATERIALS AND METHODS: the study involved 93 patients with coronary artery disease: stable angina pectoris, FC II. The cytofluorometric technique was applied to define the level of circulating endothelial microparticles (EMP) CD32+CD40+ in peripheral blood in order to identify ED...
2016: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
Huaping Li, Na Jiang, Qing Liu, Aili Gao, Xin Zhou, Bihua Liang, Runxiang Li, Zhenjie Li, Huilan Zhu
Ultraviolet (UV) radiation causes skin injury and inflammation resulting in impaired immune response and increased risk of skin cancer. It has been shown that green tea polyphenols (GTPs) enhanced intracellular antioxidant defense and promoted the downregulation of proapoptotic genes, and they could be used to protect against the damage induced by UV irradiation. However, the high instability and poor bioavailability of GTPs impose restrictions on their potential pharmacological use. Here we show that carboxymethyl cellulose sodium (CMC-Na) had a stabilizing effect on GTPs under aqueous conditions and topical application of GTPs (emulsified in CMC-Na) had a strong photoprotective effect against acute UVB induced photodamage in uncovered (Uncv) hairless mice skin...
October 5, 2016: Photochemical & Photobiological Sciences
Anouk Kaulmann, Sébastien Planchon, Jenny Renaut, Yves-Jacques Schneider, Lucien Hoffmann, Torsten Bohn
Due to their anti-oxidant and anti-inflammatory potential, polyphenol and carotenoid-rich plant foods have been suggested as promising phytochemicals in the prevention of or as adjuvants regarding inflammatory bowel diseases (IBD). In the present study, we investigated whether plum (Italian Plum, Prunus cocomilla), or cabbage (Kale, Brassica oleracea var. sabellica), selected for their high phytochemical content, are able to reduce inflammation in cellular models of the intestinal epithelium, employing proteomic methods...
October 12, 2016: Food & Function
Tandeka Magcwebeba, Pieter Swart, Sonja Swanevelder, Elizabeth Joubert, Wentzel Gelderblom
Ultraviolet B (UVB) radiation is one of the major predisposing risk factors of skin cancer. The anticancer and photoprotective effects of unoxidized rooibos (Aspalathus linearis) and honeybush (Cyclopia) herbal teas, containing high levels of dihydrochalones and xanthones, respectively, have been demonstrated in skin cancer models in vivo. In the current study, the anti-inflammatory effects of methanol and aqueous extracts of these herbal teas were investigated in a UVB/HaCaT keratinocyte model with intracellular interleukin-1α (icIL-1α) accumulation as a biomarker...
October 2, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Thea Magrone, Emilio Jirillo
Cigarette smoke (CS) accounts for the outcome of several pathologies, even including lung cancer, cardiovascular disease and chronic obstructive pulmonary disease (COPD). Under healthy conditions, lung immune system becomes tolerant in response to various external stimuli. CS exposure alters the pulmonary immune equilibrium, thus leading to a condition of hyper activation of the local innate and adaptive immunity. COPD is one of the major complications of chronic CS exposure where a pro-inflammatory profile of the pulmonary and systemic immunity is predominant...
September 27, 2016: Endocrine, Metabolic & Immune Disorders Drug Targets
Souradipta Ganguly, Taposh Kumar G, Sudarshan Mantha, Koustubh Panda
The bioavailability, tissue distribution and metabolic fate of the major tea polyphenols, catechins and theaflavins as well as their gallated derivatives are yet to be precisely elucidated on a single identification platform for assessment of their relative bioefficacy in vivo. This is primarily due to the lack of suitable analytical tools for their simultaneous determination especially in an in vivo setting, which continues to constrain the evaluation of their relative health beneficiary potential and therefore prospective therapeutic application...
2016: PloS One
Juan Zhan, Kun Wang, Conghui Zhang, Chunxiu Zhang, Yueqiang Li, Ying Zhang, Xiaoyan Chang, Qiaodan Zhou, Ying Yao, Yanyan Liu, Gang Xu
Grape seed proanthocyanindin extract (GSPE) is a polyphenolic bioflavonoid derived from grape seeds and has been widely studied for its potent antioxidant, anti-inflammatory and antitumor activities. HMGB1 is a newly discovered danger-associated molecular pattern (DAMP) that has potent proinflammatory effects once released by necrotic cells. However, the effect of GSPE on the HMGB1, and the relationship of those two with acute kidney injury and chronic kidney fibrosis are unknown. This study aimed to investigate the impact of GSPE on acute kidney injury and chronic fibrosis...
2016: International Journal of Molecular Sciences
Oscar D Rangel-Huerta, Concepcion M Aguilera, Antonio Perez-de-la-Cruz, Fernando Vallejo, Francisco Tomas-Barberan, Angel Gil, Maria D Mesa
SCOPE: To identify biomarkers of orange juice (OJ) consumption containing different doses of polyphenols and to determine its impact on oxidative stress and inflammation using an untargeted metabolomics analysis. METHODS AND RESULTS: Thirty subjects aged 22-63 years from the BIONAOS study consumed a normal-polyphenol OJ (NPJ) or a high-polyphenol OJ (HPJ) (299 or 745 mg/l, respectively) for 12 weeks in a randomized, parallel, double-blind study. UHPLC-MS, univariate and multivariate statistical analysis and ROC curves were used to design biomarkers of consumption in serum...
September 30, 2016: Molecular Nutrition & Food Research
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