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Receptor advanced glycation end products

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https://www.readbyqxmd.com/read/28101123/regulatory-landscape-of-age-rage-oxidative-stress-axis-and-its-modulation-by-ppar%C3%AE-activation-in-high-fructose-diet-induced-metabolic-syndrome
#1
Luca Cannizzaro, Giuseppe Rossoni, Federica Savi, Alessandra Altomare, Cristina Marinello, Thammakorn Saethang, Marina Carini, D Michael Payne, Trairak Pisitkun, Giancarlo Aldini, Asada Leelahavanichkul
BACKGROUND: The AGE-RAGE-oxidative stress (AROS) axis is involved in the onset and progression of metabolic syndrome induced by a high-fructose diet (HFD). PPARγ activation is known to modulate metabolic syndrome; however a systems-level investigation looking at the protective effects of PPARγ activation as related to the AROS axis has not been performed. The aim of this work is to simultaneously characterize multiple molecular parameters within the AROS axis, using samples taken from different body fluids and tissues of a rat model of HFD-induced metabolic syndrome, in the presence or absence of a PPARγ agonist, Rosiglitazone (RGZ)...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28099448/the-effects-of-low-power-laser-irradiation-on-inflammation-and-apoptosis-in-submandibular-glands-of-diabetes-induced-rats
#2
Cíntia Yuki Fukuoka, Alyne Simões, Toshikazu Uchiyama, Victor Elias Arana-Chavez, Yoshimitsu Abiko, Noboru Kuboyama, Ujjal K Bhawal
Diabetes can lead to dysfunction of the secretory capacity in salivary glands. Activation of the receptor for advanced glycation end products (RAGE) and its ligands has been suggested to participate in chronic disorders such as diabetes and its complications. In this study, the expression of RAGE, high mobility group box 1 (HMGB1) and advanced glycation end products (AGE), as well as the effects of low-power laser irradiation (LPLI) in salivary glands of diabetic rats were evaluated, and the mechanisms involved were characterized...
2017: PloS One
https://www.readbyqxmd.com/read/28096127/formation-of-fructose-mediated-advanced-glycation-end-products-and-their-roles-in-metabolic-and-inflammatory-diseases
#3
REVIEW
Alejandro Gugliucci
Fructose is associated with the biochemical alterations that promote the development of metabolic syndrome (MetS), nonalcoholic fatty liver disease, and type 2 diabetes. Its consumption has increased in parallel with MetS. It is metabolized by the liver, where it stimulates de novo lipogenesis. The triglycerides synthesized lead to hepatic insulin resistance and dyslipidemia. Fructose-derived advanced glycation end products (AGEs) may be involved via the Maillard reaction. Fructose has not been a main focus of glycation research because of the difficulty in measuring its adducts, and, more importantly, because although it is 10 times more reactive than glucose, its plasma concentration is only 1% of that of glucose...
January 2017: Advances in Nutrition
https://www.readbyqxmd.com/read/28092162/clinical-use-of-high-mobility-group-box-1-and-the-receptor-for-advanced-glycation-end-products-in-the-prognosis-and-risk-stratification-of-heart-failure-a-literature-review
#4
Amanda M Marsh, Austin Huy Nguyen, Taylor M Parker, Devendra K Agrawal
Heart failure (HF) is a clinical syndrome that represents the end stage of heart disease and remains the leading cause of morbidity and mortality worldwide. As heart failure mortality rates remain elevated, additional biomarkers that facilitate early detection or risk stratification in HF is of particularly great interest. High mobility group box 1 (HMGB1) and receptor for advanced glycation end products (RAGE) cause the activation of intracellular signaling, gene expression, and production of inflammatory cytokines and have been linked to many inflammatory disease states such as diabetes mellitus and atherosclerosis...
November 30, 2016: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28091942/all-trans-retinoic-acid-supplementation-prevents-cardiac-fibrosis-and-cytokines-induced-by-methylglyoxal
#5
Umadevi Subramanian, Devipriya Nagarajan
Methylglyoxal (MG), a metabolic intermediate of glycolysis is a precursor for endogeneous production of advanced glycation end-products. The increased production of MG have negative influence over the structure and function of different biomolecules and thus plays an important role in the pathogenesis of diabetic cardiac complications. Retinoic acid (RA), an active metabolite of vitamin A, has a major role in preventing cardiac remodeling and ventricular fibrosis. Hence, the objective of the present study was to determine whether rats administered with all-trans retinoic acid (RA) could attenuate MG induced pathological effects...
January 14, 2017: Glycoconjugate Journal
https://www.readbyqxmd.com/read/28078446/detection-of-rage-expression-and-its-application-to-diabetic-wound-age-estimation
#6
Xin-Yi Ji, Yang Chen, Guang-Hua Ye, Miao-Wu Dong, Ke-Zhi Lin, Jun-Ge Han, Xiang-Ping Feng, Xing-Biao Li, Lin-Sheng Yu, Yan-Yan Fan
With the prevalence of diabetes, it is becoming important to analyze the diabetic wound age in forensic practice. The present study investigated the time-dependent expression of receptor for advanced glycation end products (RAGE) during diabetic wound healing in mice and its applicability to wound age determination by immunohistochemistry, double immunofluorescence, and Western blotting. After an incision was created in genetically diabetic db/db mice and control mice, mice were killed at posttraumatic intervals ranging from 6 h to 14 days, followed by the sampling of wound margin...
January 11, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28078186/soluble-receptor-for-advanced-glycation-end-products-improves-stromal-cell-derived-factor-1-activity-in-model-diabetic-environments
#7
Melissa Przyborowski Olekson, Renea A Faulknor, Henry C Hsia, Ann Marie Schmidt, François Berthiaume
Objective: In diabetes, hyperglycemia causes the accumulation of advanced glycation end products (AGEs) that trigger reactive oxygen species (ROS) generation through binding the receptor for AGEs (RAGE). Because exogenous growth factors have had little success in enhancing chronic wound healing, we investigated whether hyperglycemia-induced AGEs interfere with cellular responses to extracellular signals. We used stromal cell-derived factor-1 (SDF-1), an angiogenic chemokine also known to promote stem cell recruitment in skin wounds...
December 1, 2016: Advances in Wound Care
https://www.readbyqxmd.com/read/28067098/glycated-albumin-modifies-platelet-adhesion-and-aggregation-responses
#8
Ioana Soaita, Wei Yin, David A Rubenstein
A diabetic vasculature is detrimental to cardiovascular health through the actions of advanced glycation end products (AGEs) on endothelial cells and platelets. Platelets activated by AGEs agonize endothelial responses promoting cardiovascular disease (CVD) development. While it has been established that AGEs can alter platelet functions, little is known about the specific platelet pathways that AGEs modify. Therefore, we evaluated the effects of AGEs on specific salient platelet pathways related to CVDs and whether the effects that AGEs elicit are dependent on glycation extent...
January 9, 2017: Platelets
https://www.readbyqxmd.com/read/28056871/lung-adenocarcinoma-expressing-receptor-for-advanced-glycation-end-products-with-primary-systemic-al-amyloidosis-a-case-report-and-literature-review
#9
Shouichi Okamoto, Shinsaku Togo, Ichiro Nagata, Kazue Shimizu, Yoshika Koinuma, Yukiko Namba, Jun Ito, Toshimasa Uekusa, Kazuhisa Takahashi
BACKGROUND: Receptor for advanced glycation end-products (RAGE), a receptor for amyloids, is constitutively expressed in lungs and generally observed to be downregulated in lung cancer tissues. However, increasing levels of RAGE or serum amyloids is associated with poor outcome in lung cancer patients. We report a rare case of primary systemic amyloid light-chain (AL) amyloidosis in biopsy-proven multiple organs with early-stage non-small cell lung cancer (NSCLC) that displayed strong staining for RAGE in the tumour tissue...
January 5, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28052995/rage-mediated-suppression-of-il-10-results-in-enhanced-mortality-in-a-murine-model-of-acinetobacter-baumannii-sepsis
#10
Michael J Noto, Kyle W Becker, Kelli L Boyd, Ann Marie Schmidt, Eric P Skaar
The receptor for advanced glycation end products (RAGE) is a pattern recognition receptor capable of recognizing multiple pathogen-associated and danger-associated molecular patterns that contributes to the initiation and potentiation of inflammation in many disease processes. During infection, RAGE functions to either exacerbate disease severity or enhance pathogen clearance depending on the pathogen studied. Acinetobacter baumannii is an opportunistic human pathogen capable of causing severe infections, including pneumonia and sepsis, in impaired hosts...
January 4, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/28049395/type-3-diabetes-mellitus-a-novel-implication-of-alzheimer-disease
#11
Jerzy Leszek, Elżbieta Trypka, Vadim V Tarasov, Ghulam Md Ashraf, Gjumrakch Aliev
The brain of patients with Alzheimer disease (AD) showed the evidence of reduced expression of insulin and neuronal insulin receptors, as compared with those of age-matched controls. This event gradually and certainly leads to a breakdown of the entire insulin-signaling pathway, which manifests insulin resistance. This in turn affects brain metabolism and cognitive functions, which are the best-documented abnormalities in AD. These observations led Dr. de la Monte and her colleagues to suggest that AD is actually a neuroendocrine disorder that resembles type 2 diabetes mellitus...
3, 2017: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/28045997/loss-of-boss-causes-shortened-lifespan-with-mitochondrial-dysfunction-in-drosophila
#12
Ayako Kohyama-Koganeya, Mizuki Kurosawa, Yoshio Hirabayashi
Aging is a universal process that causes deterioration in biological functions of an organism over its lifetime. There are many risk factors that are thought to contribute to aging rate, with disruption of metabolic homeostasis being one of the main factors that accelerates aging. Previously, we identified a new function for the putative G-protein-coupled receptor, Bride of sevenless (BOSS), in energy metabolism. Since maintaining metabolic homeostasis is a critical factor in aging, we investigated whether BOSS plays a role in the aging process...
2017: PloS One
https://www.readbyqxmd.com/read/28045063/profile-of-upregulated-inflammatory-proteins-in-sera-of-myasthenia-gravis-patients
#13
Carl Johan Molin, Elisabet Westerberg, Anna Rostedt Punga
This study describes specific patterns of elevated inflammatory proteins in clinical subtypes of myasthenia gravis (MG) patients. MG is a chronic, autoimmune neuromuscular disease with antibodies most commonly targeting the acetylcholine receptors (AChRab), which causes fluctuating skeletal muscle fatigue. MG pathophysiology includes a strong component of inflammation, and a large proportion of patients with early onset MG additionally present thymus hyperplasia. Due to the fluctuating nature and heterogeneity of the disease, there is a great need for objective biomarkers as well as novel potential inflammatory targets...
January 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28040599/green-tea-epigallocatechin-3-gallate-alleviates-hyperglycemia-and-reduces-advanced-glycation-end-products-via-nrf2-pathway-in-mice-with-high-fat-diet-induced-obesity
#14
Chethan Sampath, Muhammed Raihan Rashid, Shengmin Sang, Mohamed Ahmedna
Epigallocatechin 3-gallate (EGCG) from green tea may reduce plasma glucose and alleviate complications of diabetes by attenuating advanced glycation end products (AGEs) formation. We hypothesized that EGCG would mitigate AGEs formation via activating the nuclear factor erythroid-2-related-factor-2 (Nrf2) pathway in a mouse model of high fat diet-induced obesity. Dietary EGCG was tested in C57BL/6 mice that were placed on a high-fat diet with or without ECGC for 17 weeks and compared to a control group placed on low-fat diet for the same period...
December 29, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28032248/ages-decreased-sirt3-expression-and-sirt3-activation-protected-ages-induced-epcs-dysfunction-and-strengthened-anti-oxidant-capacity
#15
Mingze Chang, Bei Zhang, Ye Tian, Ming Hu, Gejuan Zhang, Zhengli Di, Xinlai Wang, Zhiqin Liu, Naibin Gu, Yong Liu
Advanced glycation end products (AGEs) have been confirmed to induce dysfunction in endothelial progenitor cells (EPCs) and play key roles in pathogenesis of diabetes-related vascular complications. The major function of sirtuin 3 (SIRT3) is to orchestrate oxidative metabolism and control reactive oxygen species (ROS) homeostasis, which are more closely related to EPCs' dysfunction. Our study therefore was designed to explore the role of SIRT3 on AGEs-induced EPCs dysfunction of. EPCs isolated from healthy adults were stimulated with AGEs and the expression of SIRT3 was assessed...
December 29, 2016: Inflammation
https://www.readbyqxmd.com/read/28030964/charcot-collapse
#16
Lisa Grant, Robert Yoho, Chandana Halaharvi, William Grant
: Charcot fracture pattern (FP) and Charcot dislocation pattern (DP) are 2 distinct collapse patterns identified in Charcot neuroarthropathy of the foot and ankle. These patterns are believed to demonstrate relative differences in central bone mineral density (BMD), which has been theoretically extrapolated to describe local BMD. To assess variation in local bone composition of FP and DP patients, 10 patients, 5 DP and 5 FP were recruited. The patient's age, body mass index (BMI), radiographs, central BMD, local BMD, sRANKL (soluble receptor activator nuclear factor kappa-beta ligand), sRAGE (soluble receptors of advanced glycated end-products), and osteocalcin were measured to determined bone metabolic status and density...
December 1, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28025439/human-soluble-receptor-for-advanced-glycation-end-products-and-tumor-necrosis-factor-%C3%AE-as-gingival-crevicular-fluid-and-serum-markers-of-inflammation-in-chronic-periodontitis-and-type-2-diabetes
#17
Sandeep Singhal, Avani R Pradeep, Dharmendra Kanoriya, Vibhuti Garg
The present study aimed to evaluate the levels of soluble receptor for advanced glycation end products (sRAGE) and tumor necrosis factor-α (TNF-α) in serum and gingival crevicular fluid (GCF) in chronic periodontitis (CP) patients with and without type 2 diabetes mellitus (T2DM). A total of 70 subjects were divided into four groups: group 1 (n = 15; subjects with healthy periodontium); group 2 (n = 20; CP patients); group 3 (n = 20; CP patients with T2DM); and group 4 (n = 15; CP patients without T2DM). The serum and GCF levels of human sRAGE and TNF-α were assessed using enzyme-linked immunosorbent assay and correlated with clinical parameters, including probing depth, gingival index and clinical attachment level...
2016: Journal of Oral Science
https://www.readbyqxmd.com/read/28024939/rage-deficiency-alleviates-aortic-valve-calcification-in-apoe-mice-via-the-inhibition-of-endoplasmic-reticulum-stress
#18
Bo Wang, Zhejun Cai, Baoqing Liu, Zongtao Liu, Xianming Zhou, Nianguo Dong, Fei Li
Receptor for advanced glycation end products (RAGE) and endoplasmic reticulum (ER) stress have been shown to be involved in calcific aortic valve disease (CAVD). However, the association between RAGE and ER stress remains unknown in the pathogenesis of CAVD. The current study aims to test the hypothesis that RAGE deficiency alleviates aortic valve calcification via the inhibition of ER stress. Up-regulation of RAGE and ER stress markers in calcified human aortic valves were confirmed by immunoblotting. Aortic valve calcification was evaluated in atherosclerotic prone ApoE(-/-) mice or in mice with dual deficiencies of ApoE and RAGE (ApoE(-/-)RAGE(-/-)) fed with high cholesterol diet for 24weeks...
December 24, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28017722/biophysical-characterization-of-ca-2-binding-of-s100a5-and-ca-2-induced-interaction-with-rage
#19
Iktae Kim, Ko On Lee, Young-Joo Yun, Jea Yeon Jeong, Eun-Hee Kim, Haekap Cheong, Kyoung-Seok Ryu, Nak-Kyoon Kim, Jeong-Yong Suh
S100A5 is a calcium-binding protein of S100 family, which represents a major ligand to the receptor for advanced glycation end product (RAGE), a pattern recognition receptor engaged in diverse pathological processes. Here we have characterized calcium binding of S100A5 and the complex formation between S100A5 and RAGE using calorimetry and NMR spectroscopy. S100A5 binds to calcium ions in a sequential manner with the equilibrium dissociation constants (KD) of 1.3 μM and 3.5 μM, which corresponds to the calcium-binding at the C-terminal and N-terminal EF-hands...
December 23, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28013188/a-capture-method-based-on-the-vc1-domain-reveals-new-binding-properties-of-the-human-receptor-for-advanced-glycation-end-products-rage
#20
Genny Degani, Alessandra A Altomare, Mara Colzani, Caterina Martino, Angelica Mazzolari, Guenter Fritz, Giulio Vistoli, Laura Popolo, Giancarlo Aldini
The Advanced Glycation and Lipoxidation End products (AGEs and ALEs) are a heterogeneous class of compounds derived from the non-enzymatic glycation or protein adduction by lipoxidation break-down products. The receptor for AGEs (RAGE) is involved in the progression of chronic diseases based on persistent inflammatory state and oxidative stress. RAGE is a pattern recognition receptor (PRR) and the inhibition of the interaction with its ligands or of the ligand accumulation have a potential therapeutic effect...
December 18, 2016: Redox Biology
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