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Sugar and inflammation

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https://www.readbyqxmd.com/read/28903062/inflammatory-dietary-patterns-and-depressive-symptoms-in-italian-older-adults
#1
Esther Vermeulen, Ingeborg A Brouwer, Karien Stronks, Stefania Bandinelli, Luigi Ferrucci, Marjolein Visser, Mary Nicolaou
BACKGROUND: Older adults are more susceptible to higher inflammatory levels and depression. Moreover, diet may influence inflammation as well as depression but no previous study examined whether inflammatory dietary patterns are related to depression in an older population. To investigate the longitudinal association between inflammatory dietary patterns (using reduced rank regression (RRR)) and depressive symptoms in a population sample of Italian older adults. METHODS: We included 827 participants (aged≥65years) at baseline in 1998...
September 10, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28878765/dyslipidemic-diet-induced-monocyte-priming-and-dysfunction-in-non-human-primates-is-triggered-by-elevated-plasma-cholesterol-and-accompanied-by-altered-histone-acetylation
#2
John D Short, Sina Tavakoli, Huynh Nga Nguyen, Ana Carrera, Chelbee Farnen, Laura A Cox, Reto Asmis
Monocytes and the recruitment of monocyte-derived macrophages into sites of inflammation play a key role in atherogenesis and other chronic inflammatory diseases linked to cardiometabolic syndrome and obesity. Previous studies from our group have shown that metabolic stress promotes monocyte priming, i.e., enhanced adhesion and accelerated chemotaxis of monocytes in response to chemokines, both in vitro and in dyslipidemic LDLR(-/-) mice. We also showed that metabolic stress-induced monocyte dysfunction is, at least to a large extent caused by the S-glutathionylation, inactivation, and subsequent degradation of mitogen-activated protein kinase phosphatase 1...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28874144/circadian-disruption-promotes-tumor-growth-by-anabolic-host-metabolism-experimental-evidence-in-a-rat-model
#3
Natalí N Guerrero-Vargas, Raful Navarro-Espíndola, Mara A Guzmán-Ruíz, María Del Carmen Basualdo, Estefania Espitia-Bautista, Ana López-Bago, Ricardo Lascurain, Cinthya Córdoba-Manilla, Ruud M Buijs, Carolina Escobar
BACKGROUND: Light at night creates a conflicting signal to the biological clock and disrupts circadian physiology. In rodents, light at night increases the risk to develop mood disorders, overweight, disrupted energy metabolism, immune dysfunction and cancer. We hypothesized that constant light (LL) in rats may facilitate tumor growth via disrupted metabolism and increased inflammatory response in the host, inducing a propitious microenvironment for tumor cells. METHODS: Male Wistar rats were exposed to LL or a regular light-dark cycle (LD) for 5 weeks...
September 6, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28840832/torenia-concolor-lindley-var-formosana-yamazaki-extracts-improve-inflammatory-response-and-lipid-accumulation-via-ppars-activation
#4
Yu-Chia Liang, Jun-Cheng Hu, Pei-Ying Li, Guan-Jhong Huang, Yueh-Hsiung Kuo, Che-Yi Chao
Background/Introduction: At present, human diet is replete with sugar and fat. Abnormal metabolism and hyperglycemia or hyperlipidemia in the body induces the development of an overactive and continuous inflammatory response, resulting in obesity and metabolic syndromes, including hypertension, hyperlipidemia, and insulin resistance. Torenia concolor Lindley var. formosana Yamazaki (TC), a perennial creeping herbaceous plant, is a traditional Chinese medicinal herb widely used for the treatment of heat stroke, aching muscles and bones, cold, dysentery, and ambustion...
September 2017: BioMedicine
https://www.readbyqxmd.com/read/28819568/nebivolol-attenuates-neutrophil-lymphocyte-ratio-a-marker-of-subclinical-inflammation-in-hypertensive-patients
#5
Mazhar Hussain, Muhammad Saeed, Muhammad Zafar Majeed Babar, Moazzam Ali Atif, Lubna Akhtar
BACKGROUND: High value of neutrophil lymphocyte ratio (NLR) is a strong independent predictor and biomarker of ongoing vascular inflammation in various cardiovascular disorders. OBJECTIVE: The main focus of the study is to investigate the effect of nebivolol on NLR in mild to moderate hypertensive patients in comparison with metoprolol. In addition, BMI, blood pressure, TLC count, blood sugar, and lipid profile were also assayed before and after treatment. MATERIALS AND METHODS: In this 12-week prospective double-blinded randomized study, 120 patients with mild to moderate hypertension were randomly divided into two groups to prescribed daily dose of tab nebivolol 5-10 mg and metoprolol 50-100 mg, respectively, for 12 weeks...
2017: International Journal of Hypertension
https://www.readbyqxmd.com/read/28777346/food-processing-the-influence-of-the-maillard-reaction-on-immunogenicity-and-allergenicity-of-food-proteins
#6
REVIEW
Malgorzata Teodorowicz, Joost van Neerven, Huub Savelkoul
The majority of foods that are consumed in our developed society have been processed. Processing promotes a non-enzymatic reaction between proteins and sugars, the Maillard reaction (MR). Maillard reaction products (MRPs) contribute to the taste, smell and color of many food products, and thus influence consumers' choices. However, in recent years, MRPs have been linked to the increasing prevalence of diet- and inflammation-related non-communicable diseases including food allergy. Although during the last years a better understanding of immunogenicity of MRPs has been achieved, still only little is known about the structural/chemical characteristics predisposing MRPs to interact with antigen presenting cells (APCs)...
August 4, 2017: Nutrients
https://www.readbyqxmd.com/read/28760074/redox-status-on-different-regions-of-the-central-nervous-system-of-obese-and-lean-rats-treated-with-green-tea-extract
#7
Rita Cassia Macedo, Eduardo Fernandes Bondan, Rosemari Otton
OBJECTIVES: The purpose of this study was to evaluate some indicators of redox status, and inflammation on different regions of the central nervous system (CNS) of obese rats treated with green tea (GT). We hypothesized that obesity could affect the redox balance in different brain regions due to the diverse nature of the cells as well as the selective neuronal vulnerability to oxidative stress, and GT could triggers benefits effects restoring the redox status. METHODS: Male Wistar rats were treated with GT by gavage (12 weeks/5 days/week; 500 mg/kg of body weight) and obesity was induced by cafeteria diet (8 weeks)...
July 31, 2017: Nutritional Neuroscience
https://www.readbyqxmd.com/read/28759939/effects-of-a-low-calorie-low-carbohydrate-soy-containing-diet-on-systemic-inflammation-among-patients-with-nonalcoholic-fatty-liver-disease-a-parallel-randomized-clinical-trial
#8
Ali Hashemi Kani, Seyed Moayed Alavian, Ahmad Esmaillzadeh, Peyman Adibi, Fahimeh Haghighatdoost, Leila Azadbakht
Few studies have focused on the effects of a soy containing diet on inflammation and serum leptin level among patients with nonalcoholic fatty liver disease (NAFLD). Therefore, we aimed to determine the effects of such a diet in patients with NAFLD. Forty-five patients with NAFLD participated in this parallel randomized clinical trial for 8 weeks. Patients were randomly allocated to these 3 groups: 1) a low-calorie diet, 2) low-calorie low-carbohydrate diet, and 3) low-calorie low-carbohydrate soy containing diet...
July 31, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28752053/dietary-sugars-not-lipids-drive-hypothalamic-inflammation
#9
Yuanqing Gao, Maximilian Bielohuby, Thomas Fleming, Gernot F Grabner, Ewout Foppen, Wagner Bernhard, Mara Guzmán-Ruiz, Clarita Layritz, Beata Legutko, Erwin Zinser, Cristina García-Cáceres, Ruud M Buijs, Stephen C Woods, Andries Kalsbeek, Randy J Seeley, Peter P Nawroth, Martin Bidlingmaier, Matthias H Tschöp, Chun-Xia Yi
OBJECTIVE: The hypothalamus of hypercaloric diet-induced obese animals is featured by a significant increase of microglial reactivity and its associated cytokine production. However, the role of dietary components, in particular fat and carbohydrate, with respect to the hypothalamic inflammatory response and the consequent impact on hypothalamic control of energy homeostasis is yet not clear. METHODS: We dissected the different effects of high-carbohydrate high-fat (HCHF) diets and low-carbohydrate high-fat (LCHF) diets on hypothalamic inflammatory responses in neurons and non-neuronal cells and tested the hypothesis that HCHF diets induce hypothalamic inflammation via advanced glycation end-products (AGEs) using mice lacking advanced glycation end-products (AGEs) receptor (RAGE) and/or the activated leukocyte cell-adhesion molecule (ALCAM)...
August 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/28746532/effects-of-emissions-from-sugar-cane-burning-on-the-trachea-and-lungs-of-wistar-rats
#10
Verena Sampaio Barbosa Matos, Felipe da Silva Gomes, Tarcio Macena Oliveira, Renata da Silva Schulz, Lídia Cristina Villela Ribeiro, Astria Dias Ferrão Gonzales, Januário Mourão Lima, Marcos Lázaro da Silva Guerreiro
Objective: To evaluate the effects of exposure to emissions from sugar cane burning on inflammatory mechanisms in tissues of the trachea and lung parenchyma in Wistar rats after different periods of exposure. Methods: This was an experimental open randomized study. The animals were divided into four groups: a control group (CG) underwent standard laboratory conditions, and three experimental groups were exposed to emissions from sugar cane burning over different periods of time, in days-1 (EG1), 7 (EG7), and 21 (EG21)...
May 2017: Jornal Brasileiro de Pneumologia: Publicaça̋o Oficial da Sociedade Brasileira de Pneumologia e Tisilogia
https://www.readbyqxmd.com/read/28745644/profiling-anti-neu5gc-igg-in-human-sera-with-a-sialoglycan-microarray-assay
#11
Shani Leviatan Ben-Arye, Hai Yu, Xi Chen, Vered Padler-Karavani
Cells are covered with a cloak of carbohydrate chains (glycans) that is commonly altered in cancer and that includes variations in sialic acid (Sia) expression. These are acidic sugars that have a 9-carbon backbone and that cap vertebrate glycans on cell surfaces. Two of the major Sia forms in mammals are N-acetylneuraminic acid (Neu5Ac) and its hydroxylated form, N-glycolylneuraminic acid (Neu5Gc). Humans cannot produce endogenous Neu5Gc due to the inactivation of the gene encoding cytidine 5'monophosphate-Neu5Ac (CMP-Neu5Ac) hydroxylase (CMAH)...
July 13, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28728011/anti-inflammatory-effect-of-sugar-amino-acid-maillard-reaction-products-on-intestinal-inflammation-model-in%C3%A2-vitro-and-in%C3%A2-vivo
#12
Jun-Gu Oh, Su-Hyun Chun, Da Hyun Kim, Jin Hye Kim, Hye Soo Shin, Yong Soo Cho, Yong Ki Kim, Hee-Don Choi, Kwang-Won Lee
The Maillard reaction is a nonenzymatic reaction between an amino acid and a reducing sugar that usually occurs upon heating. This reaction occurs routinely in cooking, generates numerous products, which are collectively referred to as Maillard reaction products (MRPs) contributing to aroma and color features. Advanced glycation end-products (AGEs) transformed from MRPs are participated in many types of inflammation reaction. In this study, various sugar-amino acid MRPs were prepared from three different amino acids (lysine, arginine, and glycine) and sugars (glucose, fructose, and galactose) for 1 h with heating at 121 °C...
September 8, 2017: Carbohydrate Research
https://www.readbyqxmd.com/read/28724546/high-protein-diet-promotes-sensitivity-to-cholecystokinin-and-shifts-the-cecal-microbiome-without-altering-brain-inflammation-in-diet-induced-obesity-in-rats
#13
Lixin Wang, Jonathan P Jacobs, Venu Lagishetty, Pu-Qing Yuan, Shuping Vincent Wu, Mulugeta Million, Joseph R Reeve, Joseph R Pisegna, Yvette Taché
High protein diet (HPD) curtails obesity and/or fat mass but it is unknown whether it reverses neuroinflammation, altered glucose levels, cholecystokinin (CCK) sensitivity and gut microbiome in rats fed a Western diet (WD)-induced obesity (DIO). Male rats fed a WD (high fat and sugar) for 12 weeks were switched to a HPD for 6 weeks. Body composition, food intake, meal pattern, sensitivity to intraperitoneal CCK-8S, blood glucose, brain signaling, and cecal microbiota were assessed. Compared to normal diet, WD increased body weight (9...
July 19, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28719855/high-fat-diet-and-aging-interact-to-produce-neuroinflammation-and-impair-hippocampal-and-amygdalar-dependent-memory
#14
Sarah J Spencer, Heather D'Angelo, Alita Soch, Linda R Watkins, Steven F Maier, Ruth M Barrientos
More Americans are consuming diets higher in saturated fats and refined sugars than ever before, and based on increasing obesity rates, this is a growing trend among older adults as well. While high saturated fat diet (HFD) consumption has been shown to sensitize the inflammatory response to a subsequent immune challenge in young adult rats, the inflammatory effect of HFD in the already-vulnerable aging brain has not yet been assessed. Here, we explored whether short-term (3 days) consumption of HFD would serve as a neuroinflammatory trigger in aging animals, leading to cognitive deficits...
October 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28716662/lgtf-effects-of-haemophilus-parasuis-los-induced-inflammation-through-regulation-of-nf-%C3%AE%C2%BAb-and-mapks-signaling-pathways
#15
Ze Zeng, Bin Zhang, Huan He, Xinnuo Chen, Yupeng Ren, Hua Yue, Cheng Tang
The lgtF gene encodes a glucosyltransferase responsible for adding a glucose to the first sugar of heptose I in the synthesis of lipooligosaccharides (LOS). To study the function of lgtF, we constructed an lgtF mutant (ΔlgtF) from Haemophilus parasuis SC096 using a natural transformation system. A highly purified preparation of LOS from ΔlgtF (ΔlgtF-LOS) exhibited an obvious truncation in structure compared to the LOS of the wild-type SC096 strain (WT-LOS). The ΔlgtF-LOS also displayed a significantly reduced ability to induce inflammatory cytokine mRNA expression of tumor necrosis factor alpha (TNF-α), interleukin-1α (IL-1α), IL-1β, IL-6 and IL-8 in porcine alveolar macrophages (PAMs) in comparison with the WT-LOS...
July 14, 2017: Microbial Pathogenesis
https://www.readbyqxmd.com/read/28701056/effects-of-polyhexamethylene-guanidine-phosphate-on-human-gingival-fibroblasts
#16
Anton Vitt, Veronica Slizen, Elisabeth A Boström, Tülay Yucel-Lindberg, Anna Kats, Rachael V Sugars, Anders Gustafsson, Kåre Buhlin
OBJECTIVE: Polyhexamethylene guanidine phosphate (PHMG-P) was compared to chlorhexidine (CHX) in order to determine potential cytotoxic and immune-modulatory effects on human gingival fibroblasts. MATERIALS AND METHODS: Cytotoxic effects of PHMG-P and CHX on human gingival fibroblasts were assessed using cell viability assay at various time points and concentrations. The effects of PHMG-P and CHX on the secretion of prostaglandin (PG) E2, interleukin (IL)-6, IL-8 and matrix metalloproteinase (MMP)-1 by non-stimulated or IL-1β stimulated fibroblasts were evaluated by enzyme-linked immunosorbent assays...
July 12, 2017: Acta Odontologica Scandinavica
https://www.readbyqxmd.com/read/28693997/lectin-from-canavalia-villosa-seeds-a-glucose-mannose-specific-protein-and-a-new-tool-for-inflammation-studies
#17
Claudia F Lossio, Cleane G Moreira, Renata M F Amorim, Clareane S Nobre, Mayara T L Silva, Cornevile C Neto, Vanir R Pinto-Junior, Ivanice B Silva, Julia Campos, Ana Maria S Assreuy, Benildo S Cavada, Kyria S Nascimento
With important carbohydrate binding properties, lectins are proteins able to decipher the glycocode, and as such, they can be used in bioassays involving cell-cell communication, protein targeting, inflammation, and hypernociception, among others. In this study, a new glucose/mannose-specific lectin from Canavalia villosa seeds (Cvill) was isolated by a single affinity chromatography step in a Sephadex(®) G-50 column, with a purification yield of 19.35mg of lectin per gram of powdered seed. Analysis of intact protein by mass spectrometry showed the lectin is composed of three polypeptide chains, including a 25...
July 7, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28657890/pulmonary-hyalinosis-in-captive-sugar-gliders-petaurus-breviceps
#18
Set A Sokol, Dalen W Agnew, Anne D Lewis, Teresa L Southard, Andrew D Miller
Pulmonary hyalinosis is an idiopathic, typically incidental lesion of old dogs, characterized by multifocal aggregates of epithelioid and multinucleate macrophages that surround periodic acid-Schiff (PAS)-positive hyaline material in airways. Lung lesions resembling pulmonary hyalinosis were observed in 6 captive adult sugar gliders ( Petaurus breviceps; 5 females and 1 male) in a retrospective review of 18 autopsied animals. Clinical signs for 3 of the sugar gliders included lethargy, tachypnea, and dyspnea...
April 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28645333/sac-1004-a-vascular-leakage-blocker-reduces-cerebral-ischemia-reperfusion-injury-by-suppressing-blood-brain-barrier-disruption-and-inflammation
#19
Haiying Zhang, Joon Ha Park, Sony Maharjan, Jeong Ae Park, Kyu-Sung Choi, Hyojin Park, Yoonjeong Jeong, Ji Hyeon Ahn, In Hye Kim, Jae-Chul Lee, Jeong Hwi Cho, In-Kyu Lee, Choong Hyun Lee, In Koo Hwang, Young-Myeong Kim, Young-Ger Suh, Moo-Ho Won, Young-Guen Kwon
BACKGROUND: Blood-brain barrier (BBB) breakdown and inflammation are critical events in ischemic stroke, contributing to aggravated brain damage. The BBB mainly consists of microvascular endothelial cells sealed by tight junctions to protect the brain from blood-borne substances. Thus, the maintenance of BBB integrity may be a potential target for neuroprotection. Sac-1004, a pseudo-sugar derivative of cholesterol, enhances the endothelial barrier by the stabilization of the cortical actin ring...
June 23, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28637899/dietary-salt-exacerbates-experimental-colitis
#20
Alan L Tubbs, Bo Liu, Troy D Rogers, R Balfour Sartor, Edward A Miao
The Western diet is characterized by high protein, sugar, fat, and low fiber intake, and is widely believed to contribute to the incidence and pathogenesis of inflammatory bowel disease (IBD). However, high sodium chloride salt content, a defining feature of processed foods, has not been considered as a possible environmental factor that might drive IBD. We set out to bridge this gap. We examined murine models of colitis on either a high salt diet (HSD) or a low salt diet. We demonstrate that an HSD exacerbates inflammatory pathology in the IL-10-deficient murine model of colitis relative to mice fed a low salt diet...
August 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
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