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Receptor advanced glycation end products

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https://www.readbyqxmd.com/read/27918216/s100p-is-overexpressed-in-squamous-cell-and-adenosquamous-carcinoma-subtypes-of-endometrial-cancer-and-promotes-cancer-cell-proliferation-and-invasion
#1
Hongfei Jiang, Hang Hu, Fan Lin, Yoon Pin Lim, Yunfen Hua, Xiaomei Tong, Songying Zhang
S100P is known to affect tumor development and metastasis of various cancers, but its role in endometrial cancer is unclear. We reported that S100P expression was dramatically elevated in both endometrial squamous cell carcinoma and adenosquamous carcinoma, but not in adenocarcinoma and normal endometrial samples. Moreover, we revealed an oncogenic role of S100P promoting cell proliferation, invasion, and migration while reducing apoptosis, possibly via its upregulation and/or activation of receptors of advanced glycation end products and consequently the oncogenic PI3K-AKT and MAPK pathways...
November 25, 2016: Cancer Investigation
https://www.readbyqxmd.com/read/27916650/cardiac-oxidative-stress-in-diabetes-mechanisms-and-therapeutic-potential
#2
REVIEW
Alyssa Faria, Shanta J Persaud
Macrovascular complications of diabetes, including diabetic cardiovascular disease (CVD), occur through a number of hyperglycaemia-induced mechanisms that include generation of oxidative stress, accumulation of advanced glycation end-products (AGE) and activation of protein kinase C (PKC). Cardiac oxidative stress is associated with increased cardiac fibrosis and hypertrophy, and reduced cardiac performance and contractility, leading to severe cardiac dysfunction and potentially fatal cardiac events. It occurs under conditions of excessive synthesis of reactive oxygen species (ROS)...
December 1, 2016: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/27914132/associations-between-soluble-receptor-for-advanced-glycation-end-products-srage-and-s100a12-en-rage-with-mortality-in-long-term-hemodialysis-patients
#3
Eul Sik Jung, Wookyung Chung, Ae Jin Kim, Han Ro, Jae Hyun Chang, Hyun Hee Lee, Ji Yong Jung
Hemodialysis (HD) patients experience vascular calcification, ultimately leading to high mortality rates. Previously, we reported associations between soluble receptor for advanced glycation end products (sRAGEs) and extracellular newly identified RAGE-binding protein S100A12 (EN-RAGE) and vascular calcification. Here, we extended our observations, investigating whether these biomarkers may be useful for predicting cardiovascular morbidity and mortality in these subjects. Thus, we evaluated the relationship between sRAGE and S100A12 and mortality in long-term HD patients...
January 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/27913191/the-shedding-derived-soluble-receptor-for-advanced-glycation-endproducts-sustains-inflammation-during-acute-pseudomonas-aeruginosa-lung-infection
#4
Antonella Antonelli, Stefania Di Maggio, Joanna Rejman, Francesca Sanvito, Alice Rossi, Alessandro Catucci, Andrea Gorzanelli, Alessandra Bragonzi, Marco E Bianchi, Angela Raucci
BACKGROUND: The membrane-bound isoform of the receptor for advanced glycation end products (FL-RAGE) is primarily expressed by alveolar epithelial cells and undergoes shedding by the protease ADAM10, giving rise to soluble cleaved RAGE (cRAGE). RAGE has been associated with the pathogenesis of several acute and chronic lung disorders. Whether the proteolysis of FL-RAGE is altered by a given inflammatory stimulus is unknown. Pseudomonas aeruginosa causes nosocomial infections in hospitalized patients and is the major pathogen associated with chronic lung diseases...
November 29, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27907047/rage-deficiency-impairs-bacterial-clearance-in-murine-staphylococcal-sepsis-but-has-no-significant-impact-on-staphylococcal-septic-arthritis
#5
Majd Mohammad, Manli Na, Amanda Welin, Mattias N D Svensson, Abukar Ali, Tao Jin, Rille Pullerits
BACKGROUND: Septic arthritis is a serious joint disease often caused by Staphylococcus aureus (S. aureus). Receptor for Advanced Glycation End products (RAGE) has an important role in several infections. We sought to investigate the role of RAGE in staphylococcal septic arthritis and sepsis in mice. METHODS: Wild-type (WT) and RAGE deficient (RAGE-/-) mice were intra-articularly or intravenously inoculated with an arthritic or septic dose of S. aureus LS-1 strain...
2016: PloS One
https://www.readbyqxmd.com/read/27895004/predictors-of-vascular-cognitive-impairment-poststroke-in-a-middle-eastern-bahrain-cohort-a-proposed-case-control-comparison
#6
Claire Donnellan, Mona Al Banna, Noor Redha, Adel Al Jishi, Isa Al Sharoqi, Safa Taha, Moiz Bakhiet, Fatema Abdulla, Patrick Walsh
BACKGROUND: Poststroke dementia and cognitive impairment are associated with poor long-term outcomes after stroke. The contribution of genetic factors such as the presence of apolipoprotein (ApoE) ɛ4 allele and its association with cognitive impairment poststroke remains inconclusive, particularly in Middle Eastern regions. OBJECTIVE: The aim of this study is to examine all correlates and potential predictors of cognitive impairment including self-awareness and regulation deficits in stroke patients and compare these functions with healthy older adults from a Middle Eastern population...
November 28, 2016: JMIR Research Protocols
https://www.readbyqxmd.com/read/27890722/diabetes-induced-hepatic-oxidative-stress-a-new-pathogenic-role-for-glycated-albumin
#7
Jessica Patche, Dorothée Girard, Aurélie Catan, Florence Boyer, Anthony Dobi, Cynthia Planesse, Nicolas Diotel, Alexis Guerin-Dubourg, Pascal Baret, Susana B Bravo, Beatriz Paradela-Dobarro, Ezequiel Álvarez, M Faadiel Essop, Olivier Meilhac, Emmanuel Bourdon, Philippe Rondeau
Increased oxidative stress and advanced glycation end-product (AGE) formation are major contributors to the development of type 2 diabetes. Here plasma proteins e.g. albumin can undergo glycoxidation and play a key role in diabetes onset and related pathologies. However, despite recent progress linking albumin-AGE to increased oxidative stress and downstream effects, its action in metabolic organs such as the liver remains to be elucidated. The current study therefore investigated links between oxidative perturbations and biochemical/structural modifications of plasma albumin, and subsequent downstream effects in transgenic db/db mouse livers and HepG2 cells, respectively...
November 24, 2016: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/27886093/hmgb1-promotes-intraoral-palatal-wound-healing-through-rage-dependent-mechanisms
#8
Salunya Tancharoen, Satoshi Gando, Shrestha Binita, Tomoka Nagasato, Kiyoshi Kikuchi, Yuko Nawa, Pornpen Dararat, Mika Yamamoto, Somphong Narkpinit, Ikuro Maruyama
High mobility group box 1 (HMGB1) is tightly connected to the process of tissue organization upon tissue injury. Here we show that HMGB1 controls epithelium and connective tissue regeneration both in vivo and in vitro during palatal wound healing. Heterozygous HMGB1 (Hmgb1(+/-)) mice and Wild-type (WT) mice were subjected to palatal injury. Maxillary tissues were stained with Mallory Azan or immunostained with anti-HMGB1, anti-proliferating cell nuclear antigen (PCNA), anti-nuclear factor-κB (NF-κB) p50 and anti-vascular endothelial growth factor (VEGF) antibodies...
November 23, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27883367/a-drop-in-the-circulating-concentrations-of-soluble-receptor-for-ages-is-associated-with-seroconversion-to-autoantibody-positivity-but-not-with-subsequent-progression-to-clinical-disease-in-children-en-route-to-type-1-diabetes
#9
K M Salonen, S J Ryhänen, J M Forbes, T Härkönen, J Ilonen, O Simell, R Veijola, P-H Groop, M Knip
BACKGROUND: Advanced glycation end products (AGEs) and their interaction with the receptor for advanced glycation end products (RAGE) have been studied for their role in the pathogenesis and complications of type 1 diabetes. Decreased concentrations of soluble RAGE (sRAGE) have been reported in acute autoimmune inflammation. We set out to analyze the changes in (sRAGE) concentration during preclinical diabetes in children seroconverting to islet autoantibody positivity. METHODS: We measured serum concentrations of sRAGE in 168 children who progressed to clinical disease and 43 children who turned positive for at least two diabetes-associated autoantibodies but remained non-diabetic...
November 24, 2016: Diabetes/metabolism Research and Reviews
https://www.readbyqxmd.com/read/27879642/curcumin-and-boswellia-serrata-modulate-the-glyco-oxidative-status-and-lipo-oxidation-in-master-athletes
#10
Nino Cristiano Chilelli, Eugenio Ragazzi, Romina Valentini, Chiara Cosma, Stefania Ferraresso, Annunziata Lapolla, Giovanni Sartore
BACKGROUND: Chronic intensive exercise is associated with a greater induction of oxidative stress and with an excess of endogenous advanced glycation end-products (AGEs). Curcumin can reduce the accumulation of AGEs in vitro and in animal models. We examined whether supplementation with curcumin and Boswellia serrata (BSE) gum resin for 3 months could affect plasma levels of markers of oxidative stress, inflammation, and glycation in healthy master cyclists. METHODS: Forty-seven healthy male athletes were randomly assigned to Group 1, consisting of 22 subjects given a Mediterranean diet (MD) alone (MD group), and Group 2 consisted of 25 subjects given a MD plus curcumin and BSE (curcumin/BSE group)...
November 21, 2016: Nutrients
https://www.readbyqxmd.com/read/27873077/impaired-osteogenic-differentiation-and-enhanced-cellular-receptor-of-advanced-glycation-end-products-sensitivity-in-patients-with-type-2-diabetes
#11
Mattabhorn Phimphilai, Peraphan Pothacharoen, Prachya Kongtawelert, Nipon Chattipakorn
Preclinical studies have demonstrated impaired osteoblast differentiation in type 2 diabetes (T2DM), which is related to skeletal accumulation of advanced glycation end products (AGEs). However, the role of AGE in osteoblast differentiation in patients with T2DM is unclear. This cross-sectional study was performed to investigate osteoblast differentiation and its association with serum pentosidine and soluble receptor of AGEs (sRAGE). Twenty-seven patients with T2DM and 15 age-matched controls were included to measure sRAGE and osteogenic differentiation in mononuclear cells derived from peripheral blood...
November 21, 2016: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/27869797/the-receptor-for-advanced-glycation-end-products-impairs-collateral-formation-in-both-diabetic-and-non-diabetic-mice
#12
Laura M Hansen, Divya Gupta, Giji Joseph, Daiana Weiss, W Robert Taylor
Diabetics often have poor perfusion in their limbs as a result of peripheral artery disease and an impaired ability to generate collateral vessels. The receptor for advanced glycation end products (RAGE) is one protein that is thought to play a detrimental role in collateral development in diabetics due to increased levels of advanced glycation end products (AGE), one of its ligands, in diabetes. Thus, the aim of this study was to investigate the role of RAGE in both diabetic and non-diabetic settings in a model of collateral formation in mice...
November 21, 2016: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/27865475/soluble-receptor-for-advanced-glycation-end-products-quantifies-lung-injury-in-polytraumatized-patients
#13
Lukas L Negrin, Gabriel Halat, Helmut Prosch, Michael Hüpfl, Stefan Hajdu, Thomas Heinz
BACKGROUND: Biomarkers caused by blunt chest trauma might leak into the vascular compartment and therefore reflect the severity of parenchymal lung injury (PLI). Five promising proteins were preselected after a literature scan. The objective of our study was to identify a biomarker that is released abundantly into the serum shortly after trauma and reliably quantifies the loss of functional lung tissue. METHODS: Polytraumatized patients (aged ≥18 years, Injury Severity Score [ISS] ≥16) were included in our prospective observational study if they were admitted directly to our level I trauma center during the first hour after trauma occurred...
November 16, 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27862990/effects-of-ferric-citrate-supplementation-on-advanced-glycation-end-products-in-a-rat-model-of-streptozotocin-nicotinamide-induced-diabetes
#14
Kuo-Ching Chao, Seu-Hwa Chen, Chun-Chao Chang, Yu-Chieh Lee, Chi-Mei Wang, Jung-Su Chang
SCOPE: Diabetes is associated with increased risks of anemia and activation of advanced glycation end products (AGEs) and the receptor for AGEs (RAGE). However, the effects of pharmacological doses of iron supplementation on AGE metabolism are less clear. The aim was to investigate the effect of ferric citrate supplementation on AGE metabolism. METHODS AND RESULTS: Diabetes was induced in overnight starved rats by intraperitoneal injections of 40 mg/kg streptozotocin and 120 mg/kg nicotinamide...
November 10, 2016: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/27858401/intervertebral-disc-degeneration-ectopic-calcification-advanced-glycation-end-products-nucleus-pulposus-cells
#15
S Illien-Jünger, O M Torre, W F Kindschuh, X Chen, D M Laudier, J C Iatridis
Ectopic calcifications in intervertebral discs (IVDs) are known characteristics of IVD degeneration that are not commonly reported but may be implicated in structural failure and dysfunctional IVD cell metabolic responses. This study investigated the novel hypothesis that ectopic calcifications in the IVD are associated with advanced glycation end products (AGEs) via hypertrophy and osteogenic differentiation. Histological analyses of human IVDs from several degeneration stages revealed areas of ectopic calcification within the nucleus pulposus and at the cartilage endplate...
November 18, 2016: European Cells & Materials
https://www.readbyqxmd.com/read/27858225/putative-model-for-heat-shock-protein-70-complexation-with-receptor-of-advanced-glycation-end-products-through-fluorescence-proximity-assays-and-normal-mode-analyses
#16
Marcelo Sartori Grunwald, Rodrigo Ligabue-Braun, Cristiane Santos Souza, Luana Heimfarth, Hugo Verli, Daniel Pens Gelain, José Cláudio Fonseca Moreira
Extracellular heat shock protein 70 (HSP70) is recognized by receptors on the plasma membrane, such as Toll-like receptor 4 (TLR4), TLR2, CD14, and CD40. This leads to activation of nuclear factor-kappa B (NF-κB), release of pro-inflammatory cytokines, enhancement of the phagocytic activity of innate immune cells, and stimulation of antigen-specific responses. However, the specific characteristics of HSP70 binding are still unknown, and all HSP70 receptors have not yet been described. Putative models for HSP70 complexation to the receptor for advanced glycation endproducts (RAGEs), considering both ADP- and ATP-bound states of HSP70, were obtained through molecular docking and interaction energy calculations...
November 17, 2016: Cell Stress & Chaperones
https://www.readbyqxmd.com/read/27832315/bazedoxifene-ameliorates-homocysteine-induced-apoptosis-and-accumulation-of-advanced-glycation-end-products-by-reducing-oxidative-stress-in-mc3t3-e1-cells
#17
Ippei Kanazawa, Tsutomu Tomita, Shun Miyazaki, Eiji Ozawa, Luis A Yamamoto, Toshitsugu Sugimoto
Elevated plasma homocysteine (Hcy) level increases the risk of osteoporotic fracture by deteriorating bone quality. However, little is known about the effects of Hcy on osteoblast and collagen cross-links. This study aimed to investigate whether Hcy induces apoptosis of osteoblastic MC3T3-E1 cells as well as affects enzymatic and nonenzymatic collagen cross-links and to determine the effects of bazedoxifene, a selective estrogen receptor modulator, on the Hcy-induced apoptosis and deterioration of collagen cross-links in the cells...
November 10, 2016: Calcified Tissue International
https://www.readbyqxmd.com/read/27831944/receptor-for-advanced-glycation-end-product-blockade-enhances-the-chemotherapeutic-effect-of-cisplatin-in-tongue-squamous-cell-carcinoma-by-reducing-autophagy-and-modulating-the-wnt-pathway
#18
Ziming Zhao, Hongyu Wang, Liao Zhang, Xifan Mei, Jing Hu, Keqiang Huang
Tongue squamous cell carcinoma (TSCC) is one of the most severe types of cancer with poor outcomes. Cisplatin is used widely to treat cancer cells, but many patients develop acquired drug resistance. The receptor for advanced glycation end products (RAGE) is expressed widely in TSCC and associated with drug-induced chemotherapy resistance. However, the effect of RAGE and cisplatin on Tca-8113 cells remains unknown. We assayed the combined use of RAGE blockade and cisplatin effect on Tca-8113 cells' viability by MTT and apoptosis rate of Tca-8113 cells on RAGE blockade+cisplatin treatment; cisplatin alone; or RAGE blockade alone by flow cytometry...
November 9, 2016: Anti-cancer Drugs
https://www.readbyqxmd.com/read/27830944/receptor-for-advanced-glycation-end-products-regulates-leukotriene-b4-receptor-1-signaling
#19
Takako Ichiki, Tomoaki Koga, Takehiko Yokomizo
Leukotriene B4 receptor 1 (BLT1), a high-affinity G protein-coupled receptor (GPCR) for leukotriene B4 (LTB4), plays important roles in inflammatory and immune reactions. Although the LTB4-BLT1 axis is known to promote inflammation, the binding proteins that modulate LTB4-BLT1 signaling have not been identified. Recently, we discovered that receptor for advanced glycation end products (RAGE) interacts with BLT1 and modulates LTB4-BLT1 signaling. We propose RAGE as a new class of GPCR modulator and a new target of future GPCR studies...
November 10, 2016: DNA and Cell Biology
https://www.readbyqxmd.com/read/27830398/relationships-between-vitreous-levels-of-soluble-receptor-for-advanced-glycation-end-products-srage-and-renal-function-in-patients-with-diabetic-retinopathy
#20
Makiko Katagiri, Jun Shoji, Satoshi Kato, Shigehiko Kitano, Yasuko Uchigata
PURPOSE: We investigated the relationship between vitreous levels of soluble receptor for advanced glycation end products (sRAGE) and vascular endothelial growth factor (VEGF) and renal function, and correlations between vitreous sRAGE levels and proliferative diabetic retinopathy (PDR) activity. METHODS: We examined 33 eyes from 33 patients with diabetes mellitus who underwent a vitrectomy (eight patients in the non-PDR [NPDR] group and 25 in the PDR group). Serum creatinine levels and estimated glomerular filtration rate (eGFR) were measured and classified according to the chronic kidney disease (CKD)-staging method...
November 9, 2016: International Ophthalmology
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