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Sugar and inflammation

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https://www.readbyqxmd.com/read/28230336/the-endothelial-border-to-health-mechanistic-evidence-of-the-hyperglycemic-culprit-of-inflammatory-disease-acceleration
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
https://www.readbyqxmd.com/read/28088324/protective-effect-of-sugar-cane-extract-against-dextran-sulfate-sodium-induced-colonic-inflammation-in-mice
#8
Bin Wang, Yansen Li, Masami Mizu, Toma Furuta, ChunMei Li
Sugar cane extract (SCE) exhibits various biological effects and has been reported to enhance animal growth performance. However, the effect of SCE on inflammation in animals is still obscure. To study the effects and underlying mechanism of SCE on dextran sulfate sodium (DSS)-induced colonic inflammation, forty female ICR mice (26.63±0.19g, 6-week-old) were assigned into four groups: a control group (Cont), a DSS-challenged group (DSS), a SCE-supplemented group (SCE), and a DSS+SCE group (DSS+SCE). Mice in Cont group and DSS group were fed basic diet and other mice received 1% SCE supplemented in basic diet from 6-week to 8-week-old...
December 26, 2016: Tissue & Cell
https://www.readbyqxmd.com/read/28069054/the-effect-of-a-novel-probiotic-on-metabolic-biomarkers-in-adults-with-prediabetes-and-recently-diagnosed-type-2-diabetes-mellitus-study-protocol-for-a-randomized-controlled-trial
#9
Talia Palacios, Luis Vitetta, Samantha Coulson, Claire D Madigan, Gareth S Denyer, Ian D Caterson
BACKGROUND: Shifts in the gastrointestinal microbiome have been shown to contribute to the progression of metabolic diseases including prediabetes and type 2 diabetes mellitus. Research suggests that in-vivo modulation of the gut microbiome by specific probiotic microorganisms may improve insulin sensitivity and blood sugar management, preventing or delaying the development of type 2 diabetes mellitus. However, further research is needed to understand the effect of probiotics as a therapy for the treatment of metabolic diseases...
January 9, 2017: Trials
https://www.readbyqxmd.com/read/28068635/inositol-hexa-phosphoric-acid-phytic-acid-a-nutraceuticals-attenuates-iron-induced-oxidative-stress-and-alleviates-liver-injury-in-iron-overloaded-mice
#10
Anwesha Bhowmik, Durbadal Ojha, Debayan Goswami, Rashmi Das, Nidhi S Chandra, Tapan K Chatterjee, Amit Chakravarty, Sudipa Chakravarty, Debprasad Chattopadhyay
Inositol hexa phosphoric acid (IP6) or Phytic acid, a natural antioxidant of some leguminous plants, known to act as a protective agent for seed storage in plants by suppressing iron catalyzed oxidative process. Following the same mechanism, we have tested the effect of IP6 on iron overloaded in vitro oxidative stress, and studied it's in vivo hepatoprotective ability in iron-dextran (injection)-induced iron overloaded liver injury in mice (intraperitoneal). Our results showed that IP6 had in vitro iron chelation (IC50 38...
January 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28028921/oscillospira-and-related-bacteria-from-metagenomics-species-to-metabolic-features
#11
Uri Gophna, Tom Konikoff, Henrik Bjørn Nielsen
Oscillospira is an under-studied anaerobic bacterial genus from Clostridial cluster IV that has resisted cultivation for over a decade since the first time it was observed. In recent years its 16S rRNA gene was identified in several human gut microbiota studies where it was often associated with interesting traits, especially leanness. However, very little is known about its metabolism or physiology. Here we use nearly complete genomes derived from shot-gun metagenomic data from the human gut to analyze Oscillospira and related bacteria...
December 28, 2016: Environmental Microbiology
https://www.readbyqxmd.com/read/28024571/ocular-biocompatibility-of-gelatin-microcarriers-functionalized-with-oxidized-hyaluronic-acid
#12
Jui-Yang Lai, David Hui-Kang Ma
Given that the presence of aldehyde groups on the oxidized sugar residues may pose toxicity concerns, it is necessary to examine the safety of gelatin microcarriers (GMC) functionalized with oxidized hyaluronic acid (oHA) for potential ophthalmic applications. In this study, the ocular biocompatibility of biopolymer microcarriers was investigated in vitro using primary rabbit corneal cell cultures and in vivo using the anterior chamber of the rabbit eye model. Our results showed that different types of corneal cells including epithelial, stromal, and endothelial cells remain viable and actively proliferate following 2 and 4days of exposure to test materials...
March 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28018521/the-effects-of-the-combination-of-a-refined-carbohydrate-diet-and-exposure-to-hyperoxia-in-mice
#13
Nicia Pedreira Soares, Keila Karine Duarte Campos, Karina Braga Pena, Ana Carla Balthar Bandeira, André Talvani, Marcelo Eustáquio Silva, Frank Silva Bezerra
Obesity is a multifactorial disease with genetic, social, and environmental influences. This study aims at analyzing the effects of the combination of a refined carbohydrate diet and exposure to hyperoxia on the pulmonary oxidative and inflammatory response in mice. Twenty-four mice were divided into four groups: control group (CG), hyperoxia group (HG), refined carbohydrate diet group (RCDG), and refined carbohydrate diet + hyperoxia group (RCDHG). The experimental diet was composed of 10% sugar, 45% standard diet, and 45% sweet condensed milk...
2016: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/27994825/effects-of-pomegranate-seed-oil-on-metabolic-state-of-patients-with-type-2-diabetes-mellitus
#14
Zahra Faghihimani, Parvin Mirmiran, Golbon Sohrab, Bijan Iraj, Elham Faghihimani
BACKGROUND: Rapid increasing prevalence of diabetes mellitus is a serious health concern in the world. New data determined that the pathogenesis of diabetes mellitus is chronic low-grade inflammation, resulting insulin resistance. Pomegranate seed oil (PSO) has anti-inflammatory effects; though it may reduce insulin resistance and improve glycemia in diabetes mellitus. The present study has been designed to investigate the effects of PSO as a natural dietary component on metabolic state of patients with Type 2 diabetes mellitus...
2016: International Journal of Preventive Medicine
https://www.readbyqxmd.com/read/27966572/genetic-ancestry-in-relation-to-the-metabolic-response-to-a-us-versus-traditional-mexican-diet-a-randomized-crossover-feeding-trial-among-women-of-mexican-descent
#15
M Santiago-Torres, J De Dieu Tapsoba, M Kratz, J W Lampe, K L Breymeyer, L Levy, X Song, A Villaseñor, C-Y Wang, L Fejerman, M L Neuhouser, C S Carlson
BACKGROUND/OBJECTIVES: Certain populations with a large proportion of indigenous American (IA) genetic ancestry may be evolutionarily adapted to traditional diets high in legumes and complex carbohydrates, and may have a detrimental metabolic response to US diets high in refined carbohydrates and added sugars. We tested whether IA ancestry modified the metabolic response to a US versus traditional Mexican diet in a controlled dietary intervention. SUBJECTS/METHODS: First and second generation Mexican immigrant women (n=53) completed a randomized crossover feeding trial testing the effects of a US versus traditional Mexican diet...
December 14, 2016: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27960552/chemical-composition-phytochemical-constituents-antioxidant-and-anti-inflammatory-activities-of-urtica-urens-l-leaves
#16
Massara Mzid, Sameh Ben Khedir, Sana Bardaa, Zouheir Sahnoun, Tarek Rebai
OBJECTIVE: The aim of this study was to investigate the chemical composition and antioxidant properties of Urtica urens L.(Uu) as well as its anti-inflammatory effect on carrageenan (CARR)-induced paw oedema in rats. METHODS: The leaves were extracted using ethanol (EtOH) and water. The extracts were analysed for proximate composition and antioxidant activity using standard chemical analysis methods. RESULTS: The proximate analysis showed that Uu leaves contained appreciable percentages of dry mass, ashes, carbohydrates, proteins, lipids, sugars, anthocyanin, carotenoid and fibre...
December 14, 2016: Archives of Physiology and Biochemistry
https://www.readbyqxmd.com/read/27933449/clearing-the-fog-a-review-of-the-effects-of-dietary-omega-3-fatty-acids-and-added-sugars-on-chemotherapy-induced-cognitive-deficits
#17
REVIEW
Tonya S Orchard, Monica M Gaudier-Diaz, Kellie R Weinhold, A Courtney DeVries
Cancer treatments such as chemotherapy have been an important part of extending survival in women diagnosed with breast cancer. However, chemotherapy can cause potentially toxic side effects in the brain that impair memory, verbal fluency, and processing speed in up to 30% of women treated. Women report that post-chemotherapy cognitive deficits negatively impact quality of life and may last up to ten years after treatment. Mechanisms underlying these cognitive impairments are not fully understood, but emerging evidence suggests that chemotherapy induces structural changes in the brain, produces neuroinflammation, and reduces adult hippocampal neurogenesis...
February 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/27932239/the-therapeutic-effect-of-rosuvastatin-and-propylthiouracil-on-ameliorating-high-cholesterol-diet-induced-rabbit-aortic-atherosclerosis-and-stiffness
#18
Pao-Yuan Lin, Fan-Yen Lee, Christopher Glenn Wallace, Kuan-Hung Chen, Gour-Shenq Kao, Pei-Hsun Sung, Sarah Chua, Sheung-Fat Ko, Yung-Lung Chen, Shun-Cheng Wu, Hsueh-Wen Chang, Hon-Kan Yip, Pei-Lin Shao
BACKGROUND: We tested the hypothesis that arteriosclerosis-augmented aortic pulse wave velocity (PWV) and -impaired vasorelaxation were attenuated by rosuvastatin (Rosu) and propylthiouracil (PTU) therapy. METHODS AND RESULTS: Thirty-two New Zealand rabbits were equally divided into group 1 (sham-control), group 2 [high-cholesterol-diet (HCD) for 8weeks], group 3 [HCD-Rosu (20mg/kg/day administration after 4-week HFD for 4weeks)], and group 4 [HCD-PTU (0.1% PTU in drinking water), the treatment course as group 3]...
January 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/27893829/sansevieria-roxburghiana-schult-schult-f-family-asparagaceae-attenuates-type-2-diabetes-and-its-associated-cardiomyopathy
#19
Niloy Bhattacharjee, Ritu Khanra, Tarun K Dua, Susmita Das, Bratati De, M Zia-Ul-Haq, Vincenzo De Feo, Saikat Dewanjee
BACKGROUND: Sansevieria roxburghiana Schult. & Schult. F. (Family: Asparagaceae) rhizome has been claimed to possess antidiabetic activity in the ethno-medicinal literature in India. Therefore, present experiments were carried out to explore the protective role of edible (aqueous) extract of S. roxburghiana rhizome (SR) against experimentally induced type 2 diabetes mellitus (T2DM) and its associated cardiomyopathy in Wistar rats. METHODS: SR was chemically characterized by GC-MS analysis...
2016: PloS One
https://www.readbyqxmd.com/read/27888584/small-molecule-inhibiting-nf-kb-ameliorates-oxidative-stress-and-suppresses-renal-inflammation-in-early-stage-of-alloxan-induced-diabetic-nephropathy-in-rat
#20
Manash P Borgohain, Mangala Lakhar, Sahabuddin Ahmed, Liakat Chowdhury, Saurabh Kumar, Rajat Pant, Abhinav Choubey
Diabetic nephropathy is one of the major microvascular complications of diabetes mellitus which ultimately gives rise to cardiovascular diseases. Oxidative stress produced by prolonged hyperglycaemia and chronic renal inflammation are the two key players in the development and progression of diabetic nephropathy. NF-kB-mediated inflammatory cascade is a strong contributor to the renovascular inflammation in diabetic nephropathy. Here, we studied the effects of piceatannol, a potent NF-kB inhibitor, on various oxidative stress markers and diabetic renal inflammatory pathway in rat induced by alloxan...
November 26, 2016: Basic & Clinical Pharmacology & Toxicology
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