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Sugar and inflammation

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https://www.readbyqxmd.com/read/28334971/expanding-glycosaminoglycan-chemical-space-towards-the-creation-of-sulfated-analogs-novel-polymers-and-chimeric-constructs
#1
Rachel S Lane, Kalib St Ange, Behnam Zolghadr, Xinyue Liu, Christina Schäffer, Robert J Linhardt, Paul L DeAngelis
Glycosaminoglycans (GAGs) have therapeutic potential in areas ranging from angiogenesis, inflammation, hemostasis and cancer. GAG bioactivity is conferred by intrinsic structural features, such as disaccharide composition, glycosidic linkages and sulfation pattern. Unfortunately, the in vitro enzymatic synthesis of defined GAGs is quite restricted by a limited understanding of current GAG synthases and modifying enzymes. Our work provides insights into GAG-active enzymes through the creation of sulfated oligosaccharides, a new polysaccharide and chimeric polymers...
March 17, 2017: Glycobiology
https://www.readbyqxmd.com/read/28330724/treatment-effects-and-mechanisms-of-yujin-powder-on-rat-model-of-large-intestine-dampness-heat-syndrome
#2
Wanling Yao, Chaoxue Yang, Yanqiao Wen, Wangdong Zhang, Xiaosong Zhang, Qi Ma, Peng Ji, Yongli Hua, Yanming Wei
ETHNOPHARMACOLOGICAL RELEVANCE: Yujin Powder (YJP), an old prescription, is one of the most classical prescription for treating the large intestine dampness-heat syndrome (LIDHS). However, its potential modern pharmacological mechanisms remain unclear. AIM OF THE STUDY: The present study was designed to explore the essence of LIDHS and treatment mechanisms of the YJP on the LIDHS. METHODS: The rat model of LIDHS was established by such complex factors as high-sugar and high-fat diet, improper diet, high temperature and humidity environment (HTHE), drinking and intraperitoneal injection of Escherichia coli...
March 19, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28321031/role-of-ketotifen-on-metabolic-profiles-inflammation-and-oxidative-stress-in-diabetic-rats
#3
Zimiao Chen, Hongwei Sun, Jian Wang, Liansong Ni, Xuejiang Gu, Shengjie Ge, Qiong Chen, Liangshan Mu, Xingbo Cheng
We aim to explore effects of Ketotifen on metabolic profiles, inflammation and oxidative stress. Sprague Dawley (SD) male rats were randomly divided into normal control group (NC) and experimental groups, and experimental group rats were fed with high-sugar and fat diet for 6 weeks. Then, experimental group rats were divided into diabetes group (DM) and ketotifen treatment group (KT). KT group was given ketotifen via Intragastric for 8 weeks with the dosage of 0.09 mg/kg•d. Fasting plasma glucose (FPG) was measured using glucose oxidase-phenol amino phenazone method...
March 17, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28317485/defective-insulin-signalling-mediated-by-inflammation-connects-obesity-to-alzheimer-disease-relevant-pharmacological-therapies-and-preventive-dietary-interventions
#4
Arantxa Rodriguez-Casado, Adolfo Toledano-Díaz, Adolfo Toledano
Recent evidence suggests that obesity, besides being a risk factor for cardiovascular events, also increases the risk of Alzheimer's disease. Insulin resistance is common in all cases of obesity and appears to be the linkage between both diseases. Obesity, often associated with excessive fat and sugar intake, represents a preclinical stage toward insulin resistance during which nutrition intervention is likely to have maximum effect. In this way, healthy lifestyles lifetime to prevent obesity-related modifiable risk factors such as inflammation, oxidative stress and metabolic disorders could be simultaneously beneficial for preserving cognition and controlling the Alzheimer's...
March 16, 2017: Current Alzheimer Research
https://www.readbyqxmd.com/read/28315941/prospective-associations-between-dietary-patterns-and-high-sensitivity-c-reactive-protein-in-european-children-the-idefics-study
#5
Esther María González-Gil, Gianluca Tognon, Lauren Lissner, Timm Intemann, Valeria Pala, Claudio Galli, Maike Wolters, Alfonso Siani, Toomas Veidebaum, Nathalie Michels, Denes Molnar, Jaakko Kaprio, Yannis Kourides, Arno Fraterman, Licia Iacoviello, Catalina Picó, Juan Miguel Fernández-Alvira, Luis Alberto Moreno Aznar
PURPOSE: This prospective study explores high sensitivity C-reactive protein (hs-CRP) levels in relation to dietary patterns at two time points in European children. METHODS: Out of the baseline sample of the IDEFICS study (n = 16,228), 4020 children, aged 2-9 years at baseline, with available hs-CRP levels and valid data from a food frequency questionnaire (FFQ) at baseline (T0) and 2 years later (T1) were included. K-means clustering algorithm based on the similarities between relative food consumption frequencies of the FFQ was applied...
March 18, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28294959/the-addition-of-liquid-fructose-to-a-western-type-diet-in-ldl-r-mice-induces-liver-inflammation-and-fibrogenesis-markers-without-disrupting-insulin-receptor-signalling-after-an-insulin-challenge
#6
Gemma Sangüesa, Miguel Baena, Natalia Hutter, José Carlos Montañés, Rosa María Sánchez, Núria Roglans, Juan Carlos Laguna, Marta Alegret
A high consumption of fat and simple sugars, especially fructose, has been related to the development of insulin resistance, but the mechanisms involved in the effects of these nutrients are not fully understood. This study investigates the effects of a Western-type diet and liquid fructose supplementation, alone and combined, on insulin signalling and inflammation in low-density lipoprotein (LDL) receptor-deficient mice (LDL-R(-/-)). LDL-R(-/-) mice were fed chow or Western diet ±15% fructose solution for 12 weeks...
March 15, 2017: Nutrients
https://www.readbyqxmd.com/read/28280728/the-neutrophil-lymphocyte-ratio-is-associated-with-coronary-artery-calcification-in-asymptomatic-korean-males-a-cross-sectional-study
#7
Su-Hyun Nam, Sung-Goo Kang, Sang-Wook Song
Introduction. The neutrophil-lymphocyte ratio (NLR) is a significant systemic predictor of cardiovascular disease (CVD). The coronary artery calcium score (CACS) reflects coronary artery calcification and is an independent risk factor for coronary artery stenosis. In the present study, we explored the relationship between the NLR and CACS in terms of subclinical inflammation and coronary artery calcification. Materials and Methods. We evaluated males and females who did not have CVD, diabetes, high blood pressure, or high fasting blood sugar levels...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28266109/role-of-microbial-biofilms-in-the-maintenance-of-oral-health-and-in-the-development-of-dental-caries-and-periodontal-diseases-consensus-report-of-group-1-of-the-joint-efp-orca-workshop-on-the-boundaries-between-caries-and-periodontal-disease
#8
Mariano Sanz, David Beighton, Michael A Curtis, Jaime A Cury, Irene Dige, Henrik Dommisch, Roger Ellwood, Rodrigo Giacaman, David Herrera, Mark C Herzberg, Eija Könönen, Philip D Marsh, Joerg Meyle, Alex Mira, Ana Molina, Andrea Mombelli, Marc Quirynen, Eric C Reynolds, Lior Shapira, Egija Zaura
BACKGROUND AND AIMS: The scope of this working group was to review (1) ecological interactions at the dental biofilm in health and disease, (2) the role of microbial communities in the pathogenesis of periodontitis and caries, and (3) the innate host response in caries and periodontal diseases. RESULTS AND CONCLUSIONS: A health-associated biofilm includes genera such as Neisseria, Streptococcus, Actinomyces, Veillonella and Granulicatella. Microorganisms associated with both caries and periodontal diseases are metabolically highly specialized and organized as multispecies microbial biofilms...
March 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28265495/obesity-induced-diet-leads-to-weight-gain-systemic-metabolic-alterations-adipose-tissue-inflammation-hepatic-steatosis-and-oxidative-stress-in-gerbils-meriones-unguiculatus
#9
Luciana L A Ventura, Nathália C L Fortes, Helton C Santiago, Marcelo V Caliari, Maria A Gomes, Dirce R Oliveira
BACKGROUND: Nowadays, the number of obese people in the world has reached alarming proportions. During the expansion of adipose tissue, a number of functions such as activation and release of cytokines and hormones may be affected. This leads the body to a pro-inflammatory pattern, which may affect the proper functioning of many tissues. Thus, studying the mechanisms by which obesity induces physiological disorders is necessary, and may be facilitated by the use of animal models, in particular rodents...
2017: PeerJ
https://www.readbyqxmd.com/read/28264048/macrophage-inducible-c-type-lectin-mincle-recognizes-glycosylated-surface-s-layer-of-the-periodontal-pathogen-tannerella-forsythia
#10
Sreedevi Chinthamani, Rajendra P Settem, Kiyonobu Honma, Jason G Kay, Ashu Sharma
The oral pathogen Tannerella forsythia is implicated in the development of periodontitis, a common inflammatory disease that leads to the destruction of the gum and tooth supporting tissues, often leading to tooth loss. T. forsythia is a unique Gram-negative organism endowed with an elaborate protein O-glycosylation system that allows the bacterium to express a glycosylated surface (S)-layer comprising two high molecular weight glycoproteins modified with O-linked oligosaccharides. The T. forsythia S-layer has been implicated in the modulation of cytokine responses of antigen presenting cells, such as macrophages, that play a significant role during inflammation associated with periodontitis...
2017: PloS One
https://www.readbyqxmd.com/read/28260748/effect-of-obesity-on-fasting-blood-sugar
#11
R Akter, A Nessa, M F Husain, F Wahed, N Khatun, M Yesmin, S Nasreen, T Tajkia
Obesity is a disorder of body weight regulatory systems characterized by an accumulation of excess body fat. World Heath Organization recommended that 66% of deaths now occur in developing countries and recognizes obesity as a leading risk factor. Obesity is associated with chronic, low grade, systemic inflammation. The inflammatory state plays a causal role in the development of insulin resistance, type 2 diabetes and the metabolic syndrome. This study will design to evaluate the relation between obesity with fasting blood sugar (FBS)...
January 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28249935/an-adolescent-and-early-adulthood-dietary-pattern-associated-with-inflammation-and-the-incidence-of-breast-cancer
#12
Holly R Harris, Walter C Willett, Rita L Vaidya, Karin B Michels
Adolescence is a highly susceptible period for mammary carcinogenesis, but few prospective studies have examined the role of adolescent diet in breast cancer risk. Reduced rank regression has previously been used to identify a dietary pattern associated with markers of inflammation (C-reactive protein, IL6, and TNFα receptor 2). We investigated whether an adolescent and early adulthood inflammatory dietary pattern was associated with breast cancer among 45,204 women in the Nurses' Health Study II using reduced rank regression...
March 1, 2017: Cancer Research
https://www.readbyqxmd.com/read/28249783/diet-driven-microbiota-dysbiosis-is-associated-with-vagal-remodeling-and-obesity
#13
Tanusree Sen, Carolina R Cawthon, Benjamin Thomas Ihde, Andras Hajnal, Patricia M DiLorenzo, Claire B de La Serre, Krzysztof Czaja
Obesity is one of the major health issues in the United States. Consumption of diets rich in energy, notably from fats and sugars (high-fat/high-sugar diet: HF/HSD) is linked to the development of obesity and a popular dietary approach for weight loss is to reduce fat intake. Obesity research traditionally uses low and high fat diets and there has been limited investigation of the potential detrimental effects of a low-fat/high-sugar diet (LF/HSD) on body fat accumulation and health. Therefore, in the present study, we investigated the effects of HF/HSD and LF/HSD on microbiota composition, gut inflammation, gut-brain vagal communication and body fat accumulation...
February 26, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28230336/the-endothelial-border-to-health-mechanistic-evidence-of-the-hyperglycemic-culprit-of-inflammatory-disease-acceleration
#14
REVIEW
Nina Waerling Hansen, Anker Jon Hansen, Anette Sams
The endothelial cell (EC) layer constitutes a barrier that controls movements of fluid, solutes and cells between blood and tissue. Further, the endothelial layer regulates vascular tone and directs local humoral and cellular inflammatory processes. The strategic position makes it an important player for maintenance of health and for development of a number of diseases. Endothelial dysfunction is known to be an important component of type 2 diabetes, but is also assumed to be involved in many other diseases, for example, rheumatoid arthritis, inflammatory bowel disease, asthma, and cardiovascular diseases...
March 2017: IUBMB Life
https://www.readbyqxmd.com/read/28225880/the-role-of-oxidative-stress-on-the-pathophysiology-of-metabolic-syndrome
#15
Fabiane Valentini Francisqueti, Lidiana Camargo Talon Chiaverini, Klinsmann Carolo Dos Santos, Igor Otávio Minatel, Carolina Berchieri Ronchi, Artur Junio Togneri Ferron, Ana Lúcia A Ferreira, Camila Renata Corrêa
Metabolic syndrome (MetS) has a high prevalence around the world. Considering the components used to classify MetS, it is clear that it is closely related to obesity. These two conditions begin with an increase in abdominal adipose tissue, which is metabolically more active, containing a greater amount of resident macrophages compared to other fat deposits. Abdominal adiposity promotes inflammation and oxidative stress, which are precursors of various complications involving MetS components, namely insulin resistance, hypertension and hyperlipidemia...
January 1, 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/28177776/characterization-of-a-salmonella-sugar-kinase-essential-for-utilization-of-fructose-asparagine
#16
Pradip K Biswas, Edward J Behrman, Venkat Gopalan
Salmonella can utilize fructose-asparagine (F-Asn), a naturally occurring Amadori product, as its sole carbon and nitrogen source. Conversion of F-Asn to the common intermediates glucose-6-phosphate, aspartate, and ammonia was predicted to involve the sequential action of an asparaginase, a kinase and a deglycase. Mutants lacking the deglycase are highly attenuated in mouse models of intestinal inflammation due to the toxic build-up of the deglycase substrate. The limited distribution of this metabolic pathway in the animal gut microbiome raises the prospects for antibacterial discovery...
August 10, 2016: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28132653/a-cafeteria-diet-triggers-intestinal-inflammation-and-oxidative-stress-in-obese-rats
#17
K Gil-Cardoso, I Ginés, M Pinent, A Ardévol, X Terra, M Blay
The gastrointestinal alterations associated with the consumption of an obesogenic diet, such as inflammation, permeability impairment and oxidative stress, have been poorly explored in both diet-induced obesity (DIO) and genetic obesity. The aim of the present study was to examine the impact of an obesogenic diet on the gut health status of DIO rats in comparison with the Zucker (fa/fa) rat leptin receptor-deficient model of genetic obesity over time. For this purpose, female Wistar rats (n 48) were administered a standard or a cafeteria diet (CAF diet) for 12, 14·5 or 17 weeks and were compared with fa/fa Zucker rats fed a standard diet for 10 weeks...
January 30, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28131576/bovine-milk-oligosaccharides-decrease-gut-permeability-and-improve-inflammation-and-microbial-dysbiosis-in-diet-induced-obese-mice
#18
Gaëlle Boudry, M Kristina Hamilton, Maciej Chichlowski, Saumya Wickramasinghe, Daniela Barile, Karen M Kalanetra, David A Mills, Helen E Raybould
Obesity is characterized by altered gut homeostasis, including dysbiosis and increased gut permeability closely linked to the development of metabolic disorders. Milk oligosaccharides are complex sugars that selectively enhance the growth of specific beneficial bacteria in the gastrointestinal tract and could be used as prebiotics. The aim of the study was to demonstrate the effects of bovine milk oligosaccharides (BMO) and Bifidobacterium longum ssp. infantis (B. infantis) on restoring diet-induced obesity intestinal microbiota and barrier function defects in mice...
January 25, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28128446/advanced-glycation-end-products-age-potentiates-cell-death-in-p53-negative-cells-via-upregulaion-of-nf-kappa-b-and-impairment-of-autophagy
#19
Neeharika Verma, Sunil K Manna
Accumulation of advanced glycation end products (AGE) in diabetic patients and ageing people due to excess availability of simple 3- or 4-carbon sugars, is well-known. AGE has multiple deleterious effects including age-related disorders, apoptosis, inflammation and obesity. We have found that AGE increases autophagy but the sustained amount of autophagosomes is observed till 3 days without maturation. It is important to understand the underlying mechanism of AGE-mediated signaling responsible for impairment of autophagy and its correlation to the induction of several adverse effects...
January 27, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28122695/environmental-enteric-dysfunction-is-associated-with-carnitine-deficiency-and-altered-fatty-acid-oxidation
#20
Richard D Semba, Indi Trehan, Ximin Li, Ruin Moaddel, M Isabel Ordiz, Kenneth M Maleta, Klaus Kraemer, Michelle Shardell, Luigi Ferrucci, Mark Manary
BACKGROUND: Environmental enteric dysfunction (EED), a condition characterized by small intestine inflammation and abnormal gut permeability, is widespread in children in developing countries and a major cause of growth failure. The pathophysiology of EED remains poorly understood. METHODS: We measured serum metabolites using liquid chromatography-tandem mass spectrometry in 400 children, aged 12-59months, from rural Malawi. Gut permeability was assessed by the dual-sugar absorption test...
January 18, 2017: EBioMedicine
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