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Advanced glycation endproducts

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https://www.readbyqxmd.com/read/28630614/a-plant-based-diet-for-the-prevention-and-treatment-of-type-2-diabetes
#1
REVIEW
Michelle McMacken, Sapana Shah
The prevalence of type 2 diabetes is rising worldwide, especially in older adults. Diet and lifestyle, particularly plant-based diets, are effective tools for type 2 diabetes prevention and management. Plant-based diets are eating patterns that emphasize legumes, whole grains, vegetables, fruits, nuts, and seeds and discourage most or all animal products. Cohort studies strongly support the role of plant-based diets, and food and nutrient components of plant-based diets, in reducing the risk of type 2 diabetes...
May 2017: Journal of Geriatric Cardiology: JGC
https://www.readbyqxmd.com/read/28629450/interaction-with-adipocyte-stromal-cells-induces-breast-cancer-malignancy-via-s100a7-upregulation-in-breast-cancer-microenvironment
#2
Minako Sakurai, Yasuhiro Miki, Kiyoshi Takagi, Takashi Suzuki, Takanori Ishida, Noriaki Ohuchi, Hironobu Sasano
BACKGROUND: Breast adipocytes play important roles in both the development and function of mammary epithelial cells. Therefore, carcinoma-adipose stromal cell (ASC) interactions have been considered pivotal in supporting tumor growth in breast cancer. In addition, it has been demonstrated that the biological features of cancer-associated adipocytes differ from those of normal ASCs. Therefore, we investigated an interaction between ASCs and carcinoma cell lines to identify genes associated with ASC invasion of carcinoma cells...
June 19, 2017: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/28624351/inhibitory-effect-of-vitamin-b3-against-glycation-and-reactive-oxygen-species-production-in-hsa-an-in%C3%A2-vitro-approach
#3
K M Abdullah, Faizan Abul Qais, Iqbal Ahmad, Imrana Naseem
Hyperglycaemia is a key factor for the formation of advanced glycated endproducts (AGEs). Inhibition of glycation may play key role in minimizing the diabetes related complications. We have tried to explore the glucose and methyl glyoxal mediated glycation and antiglycation activity of niacin using human serum albumin as model protein. Protein was incubated with glucose for 28 days at physiological temperature to achieve glycation. Antiglycation activity was evaluated by assessing free lysine, carbonyl content, AGE specific fluorescence...
June 15, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28610627/multiple-biomarkers-predict-disease-severity-progression-and-mortality-in-copd
#4
Rachel L Zemans, Sean Jacobson, Jason Keene, Katerina Kechris, Bruce E Miller, Ruth Tal-Singer, Russell P Bowler
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is a heterogeneous disease characterized by multiple subtypes and variable disease progression. Blood biomarkers have been variably associated with subtype, severity, and disease progression. Just as combined clinical variables are more highly predictive of outcomes than individual clinical variables, we hypothesized that multiple biomarkers may be more informative than individual biomarkers to predict subtypes, disease severity, disease progression, and mortality...
June 13, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28595946/the-effects-of-pessimism-on-cell-mediated-immunity-in-rats
#5
Katarzyna Curzytek, Marta Kubera, Ewa Trojan, Kinga Wójcik, Agnieszka Basta-Kaim, Jan Detka, Michael Maes, Rafal Rygula
We used a recently developed ambiguous-cue interpretation (ACI) paradigm to investigate whether 'optimism' and 'pessimism' as behavioural traits may be interrelated with immune functions in rodents. To this aim, in a series of ACI tests (cognitive bias screening, CBS), we identified rats that displayed 'pessimistic' and 'optimistic' traits. We found significant differences in immune biomarkers between 'optimistic' and 'pessimistic' animals. Moreover 'pessimism' was associated with significantly lower relative weight of the spleen and thymus, significantly decreased proliferative activity of splenocytes...
June 5, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28588100/higher-plasma-methylglyoxal-levels-are-associated-with-incident-cardiovascular-disease-in-individuals-with-type-1-diabetes-a-12-year-follow-up-study
#6
Nordin M J Hanssen, Jean L J M Scheijen, Anders Jorsal, Hans-Henrik Parving, Lise Tarnow, Peter Rossing, Coen D A Stehouwer, Casper G Schalkwijk
Methylglyoxal (MGO), a major precursor for advanced glycation endproducts (AGEs), is increased in diabetes. In diabetic rodents, inhibition of MGO prevents cardiovascular disease (CVD). Whether plasma MGO levels are associated with incident CVD in people with type 1 diabetes is unknown. We included 159 individuals with persistent normoalbuminuria and 162 individuals with diabetic nephropathy (DN) from the outpatient clinic at Steno Diabetes Center. We measured MGO at baseline. We recorded fatal and non-fatal CVD over a median follow-up of 12...
June 6, 2017: Diabetes
https://www.readbyqxmd.com/read/28579250/dna-methylation-of-extracellular-matrix-remodeling-genes-in-children-exposed-to-arsenic
#7
Tania Gonzalez-Cortes, Rogelio Recio-Vega, Robert Clark Lantz, Binh T Chau
Several novel mechanistic findings regarding to arsenic's pathogenesis has been reported and some of them suggest that the etiology of some arsenic induced diseases are due in part to heritable changes to the genome via epigenetic processes such as DNA methylation, histone maintenance, and mRNA expression. Recently, we reported that arsenic exposure during in utero and early life was associated with impairment in the lung function and abnormal receptor for advanced glycation endproducts (RAGE), matrix metalloproteinase-9 (MMP-9) and tissue inhibitor of matrix metalloproteinase-1 (TIMP-1) sputum levels...
June 1, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28542559/fluvastatin-inhibits-age-induced-cell-proliferation-and-migration-via-an-erk5-dependent-nrf2-pathway-in-vascular-smooth-muscle-cells
#8
Ae-Rang Hwang, Jung-Hwa Han, Jae Hyang Lim, Young Jin Kang, Chang-Hoon Woo
Advanced glycation endproduct (AGE)-induced vascular smooth muscle cell (VSMC) proliferation and reactive oxygen species (ROS) production are emerging as important mechanisms of diabetic vasculopathy, but little is known about the molecular mechanism responsible for the antioxidative effects of statins on AGEs. It has been reported that statins exert pleiotropic effects on the cardiovascular system due to decreases in AGE-induced cell proliferation, migration, and vascular inflammation. Thus, in the present study, the authors investigated the molecular mechanism by which statins decrease AGE-induced cell proliferation and VSMC migration...
2017: PloS One
https://www.readbyqxmd.com/read/28539495/correction-to-2016-atvb-plenary-lecture-receptor-for-advanced-glycation-endproducts-and-implications-for-the-pathogenesis-and-treatment-of-cardiometabolic-disorders-spotlight-on-the-macrophage
#9
(no author information available yet)
No abstract text is available yet for this article.
June 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28535048/control-of-maillard-reactions-in-foods-strategies-and-chemical-mechanisms
#10
Marianne N Lund, Colin A Ray
Maillard reactions lead to changes in food color, organoleptic properties, protein functionality, and protein digestibility. Numerous different strategies for controlling Maillard reactions in foods have been attempted during the past decades. In this paper, recent advances in strategies for controlling the Maillard reaction and subsequent downstream reaction products in food systems are critically reviewed. The underlying mechanisms at play are presented, strengths and weaknesses of each strategy are discussed, and reasonable reaction mechanisms are proposed to reinforce the evaluations...
May 30, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28527897/advanced-glycation-endproducts-form-during-ovalbumin-digestion-in-the-presence-of-fructose-inhibition-by-chlorogenic-acid
#11
Yasmin Bains, Alejandro Gugliucci, Russell Caccavello
BACKGROUND: One mechanism by which fructose could exert deleterious effects is through intestinal formation and absorption of pro-inflammatory advanced glycation endproducts via the Maillard reaction. We employed simulated stomach and duodenum digestion of ovalbumin (OVA) to test the hypothesis that advanced glycation endproducts (AGEs) are formed by fructose during simulated digestion of a ubiquitous food protein under model physiological conditions. METHODS: OVA was subjected to simulated gastric and intestinal digestion using standard models, in presence of fructose or glucose (0-100mM)...
May 17, 2017: Fitoterapia
https://www.readbyqxmd.com/read/28512639/inhibitory-effect-of-chemical-constituents-isolated-from-artemisia-iwayomogi-on-polyol-pathway-and-simultaneous-quantification-of-major-bioactive-compounds
#12
Yoon Kyoung Lee, Eun Young Hong, Wan Kyunn Whang
Blocking the polyol pathway plays an important role preventing diabetic complications. Therefore, aldose reductase (AR) and advanced glycation endproducts (AGEs) formation has significant effect on diabetic complications. Artemisia iwayomogi has long been used as treatment of various diseases in Korea. However, no literatures have reported on AR and AGEs formation inhibitory activities of A. iwayomogi. For these reasons, we aimed to assess that A. iwayomogi had potential as anti-diabetic complications agents...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28507520/in-vitro-and-in-silico-antidiabetic-and-antimicrobial-evaluation-of-constituents-from-kickxia-ramosissima-nanorrhinum-ramosissimum
#13
Adnan Amin, Emmy Tuenter, Kenn Foubert, Jamhsed Iqbal, Paul Cos, Louis Maes, Vassiliki Exarchou, Sandra Apers, Luc Pieters
Background and Aims:Kickxia ramosissima (Wall.) Janch (or Nanorrhinum ramosissimum (Wall.) Betsche is a well-known medicinal plant in Pakistan that is traditionally used in diabetic and inflammatory conditions. Because little information is available on its phytochemical composition, a range of constituents were isolated and evaluated in vitro in assays related to the traditional use. Methods: Dried whole plant material was extracted and chromatographically fractionated. Isolated constituents were evaluated in silico and in vitro in assays related to the traditional use against diabetes (inhibition of α-glucosidase activity; inhibition of advanced glycation endproducts) and in inflammatory conditions (inhibition of AAPH induced linoleic acid peroxidation, inhibition of 15-LOX, antimicrobial activity)...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28495931/neutrophil-extracellular-traps-drive-endothelial-to-mesenchymal-transition
#14
Elmar Pieterse, Nils Rother, Marjolein Garsen, Julia Hofstra, Simon Satchell, Markus Hoffmann, Markus Loeven, Hanneke Knaapen, Olivier van der Heijden, Jo Berden, Luuk Hilbrands, Johan van der Vlag
OBJECTIVE: An excessive release and impaired degradation of neutrophil extracellular traps (NETs) leads to the continuous exposure of NETs to the endothelium in a variety of hematologic and autoimmune disorders, including lupus nephritis. This study aims to unravel the mechanisms through which NETs jeopardize vascular integrity. APPROACH AND RESULTS: Microvascular and macrovascular endothelial cells were exposed to NETs, and subsequent effects on endothelial integrity and function were determined in vitro and in vivo...
May 11, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28482155/targeting-the-receptor-for-advanced-glycation-endproducts-rage-a-medicinal-chemistry-perspective
#15
Salvatore Bongarzone, Vilius Savickas, Federico Luzi, Antony D Gee
The receptor for advanced glycation endproducts (RAGE) is an ubiquitous, transmembrane, immunoglobulin-like receptor that exists in multiple isoforms and binds to a diverse range of endogenous extracellular ligands and intracellular effectors. Ligand binding at the extracellular domain of RAGE initiates a complex intracellular signaling cascade, resulting in the production of reactive oxygen species (ROS), immunoinflammatory effects, cellular proliferation, or apoptosis with concomitant upregulation of RAGE itself...
May 19, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28467603/pathophysiology-and-therapeutics-of-premature-ageing-in-chronic-kidney-disease-with-a-focus-on-glycative-stress
#16
Yosuke Hirakawa, Tzu-Ming Jao, Reiko Inagi
Chronic kidney disease (CKD) is a major concern in public health. The pathology of CKD includes premature ageing in the kidney and vessels, which results in a high risk of cardiovascular events and end-stage renal disease. Many factors are involved in premature ageing in CKD, including hormonal imbalance, glycative stress, nitrogenous metabolites, and oxidative stress. Of these, the most important role in premature ageing in CKD is played by glycative stress, namely a massive and unfavorable glycation state, since the kidney is responsible for the clearance of advanced glycation endproducts (AGEs)...
May 3, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28445307/alteration-of-serum-high-mobility-group-protein-1-hmgb1-levels-in-children-with-enterovirus-71-induced-hand-foot-and-mouth-disease
#17
Weikun Zheng, Haifan Shi, Yiping Chen, Zhiwei Xu, Jie Chen, Longteng Jin
Hand, foot, and mouth disease (HFMD) is a common pediatric disease caused by enterovirus infection. It typically presents as a fever along with flat, discolored spots and bumps on the hands, feet, and mouth. Compared with other viruses, enterovirus 71 (EV71)-induced HFMD is more prone to cause severe complications in children, such as brainstem encephalitis, cardiopulmonary disorders, and even death. More in-depth studies are still necessary to understand the characteristics of EV71-induced HFMD, although some related research has been reported so far...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28420091/dietary-sugars-and-endogenous-formation-of-advanced-glycation-endproducts-emerging-mechanisms-of-disease
#18
REVIEW
Manuela Aragno, Raffaella Mastrocola
The rapid increase in metabolic diseases, which occurred in the last three decades in both industrialized and developing countries, has been related to the rise in sugar-added foods and sweetened beverages consumption. An emerging topic in the pathogenesis of metabolic diseases related to modern nutrition is the role of Advanced Glycation Endproducts (AGEs). AGEs can be ingested with high temperature processed foods, but also endogenously formed as a consequence of a high dietary sugar intake. Animal models of high sugar consumption, in particular fructose, have reported AGE accumulation in different tissues in association with peripheral insulin resistance and lipid metabolism alterations...
April 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28417162/s100a6-protein-functional-roles
#19
REVIEW
Rosario Donato, Guglielmo Sorci, Ileana Giambanco
S100A6 protein belongs to the A group of the S100 protein family of Ca(2+)-binding proteins. It is expressed in a limited number of cell types in adult normal tissues and in several tumor cell types. As an intracellular protein, S100A6 has been implicated in the regulation of several cellular functions, such as proliferation, apoptosis, the cytoskeleton dynamics, and the cellular response to different stress factors. S100A6 can be secreted/released by certain cell types which points to extracellular effects of the protein...
April 17, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28416154/a-comparison-of-dicarbonyl-stress-and-advanced-glycation-endproducts-in-lifelong-endurance-athletes-vs-sedentary-controls
#20
Martijn F H Maessen, Casper G Schalkwijk, Rebecca J H M Verheggen, Vincent L Aengevaeren, Maria T E Hopman, Thijs M H Eijsvogels
OBJECTIVES: Dicarbonyl stress and high concentrations of advanced glycation endproducts (AGEs) relate to an elevated risk for cardiovascular diseases (CVD). Exercise training lowers the risk for future CVD. We tested the hypothesis that lifelong endurance athletes have lower dicarbonyl stress and AGEs compared to sedentary controls and that these differences relate to a better cardiovascular health profile. DESIGN: Cross-sectional study. METHODS: We included 18 lifelong endurance athletes (ATH, 61±7years) and 18 sedentary controls (SED, 58±7years) and measured circulating glyoxal (GO), methylglyoxal (MGO) and 3-deoxyglucosone (3DG) as markers of dicarbonyl stress...
March 23, 2017: Journal of Science and Medicine in Sport
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