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Receptor for advanced glycation end products

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https://www.readbyqxmd.com/read/28632197/toxic-age-tage-theory-for-the-pathophysiology-of-the-onset-progression-of-nafld-and-ald
#1
REVIEW
Masayoshi Takeuchi, Jun-Ichi Takino, Akiko Sakasai-Sakai, Takanobu Takata, Mikihiro Tsutsumi
Non-alcoholic fatty liver disease (NAFLD) and alcoholic liver disease (ALD) are among the most common causes of chronic liver diseases in the westernized world. NAFLD and ALD are frequently accompanied by extrahepatic complications, including hepatocellular carcinoma and cardiovascular diseases, which have a negative impact on patient survival. The chronic ingestion of an excessive daily diet containing sugar/high-fructose corn syrup increases the level of the fructose/glucose metabolite, glyceraldehyde (GA), while the chronic consumption of an excessive number of alcoholic beverages increases the level of the alcohol metabolite, acetaldehyde (AA) in the liver...
June 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28631505/methylglyoxal-derived-hydroimidazolone-1-evokes-inflammatory-reactions-in-endothelial-cells-via-an-interaction-with-receptor-for-advanced-glycation-end-products
#2
Yuji Ishibashi, Takanori Matsui, Nobutaka Nakamura, Ami Sotokawauchi, Yuichiro Higashimoto, Sho-Ichi Yamagishi
OBJECTIVE: Glyceraldehyde-derived advanced glycation end products contribute to vascular inflammation in diabetes. However, what advanced glycation end product structure could evoke inflammatory reactions remains unknown. We examined whether and how methylglyoxal-derived hydroimidazolone 1, one of the advanced glycation end products formed from glyceraldehyde, elicits inflammatory reactions in human umbilical vein endothelial cells. MATERIALS AND METHODS: Glyceraldehyde-advanced glycation end products-aptamer was prepared using a systemic evolution of ligands by exponential enrichment...
June 1, 2017: Diabetes & Vascular Disease Research
https://www.readbyqxmd.com/read/28630869/increase-of-soluble-rage-in-cerebrospinal-fluid-following-subarachnoid-haemorrhage
#3
Bartosz Sokół, Norbert Wąsik, Roman Jankowski, Marcin Hołysz, Witold Mańko, Robert Juszkat, Tomasz Małkiewicz, Paweł P Jagodziński
Receptors for advanced glycation end-products (RAGE) mediate the inflammatory reaction that follows aneurysmal subarachnoid haemorrhage. Soluble RAGE (sRAGE) may function as a decoy receptor. The significance of this endogenous anti-inflammatory mechanism in subarachnoid haemorrhage (SAH) remains unknown. The present study aims to analyse sRAGE levels in the cerebrospinal fluid (CSF) of SAH patients. sRAGE levels were assayed by ELISA kit in 47 CSF samples collected on post-SAH days 0-3, 5-7, and 10-14 from 27 SAH patients with acute hydrocephalus...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28627626/hmgb1-regulates-p-glycoprotein-expression-in-status-epilepticus-rat-brains-via-the-rage-nf-%C3%AE%C2%BAb-signaling-pathway
#4
Yuan Xie, Nian Yu, Yan Chen, Kang Zhang, Hai-Yan Ma, Qing Di
Overexpression of P-glycoprotein (P-gp) in the brain is an important mechanism involved in drug‑resistant epilepsy (DRE). High-mobility group box 1 (HMGB1), an inflammatory cytokine, significantly increases following seizures and may be involved in upregulation of P‑gp. However, the underlying mechanisms remain elusive. The aim of the present study was to evaluate the role of HMGB1 and its downstream signaling components, receptor for advanced glycation end‑product (RAGE) and nuclear factor‑κB (NF‑κB), on P‑gp expression in rat brains during status epilepticus (SE)...
June 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28627583/deoxyactein-protects-pancreatic-%C3%AE-cells-against-methylglyoxal-induced-oxidative-cell-damage-by-the-upregulation-of-mitochondrial-biogenesis
#5
Kwang Sik Suh, Eun Mi Choi, Woon-Won Jung, Yu Jin Kim, Soo Min Hong, So Yong Park, Sang Youl Rhee, Suk Chon
Methylglyoxal (MG) is one of the major precursors of advanced glycation end products (AGEs), which are considered to be one of the causes of diabetes and its complications. The root and rhizomes of black cohosh (Cimicifuga racemosa) have long been used medicinally, and deoxyactein is one of its major constituents. In the present study, the protective effects of deoxyactein against MG-induced oxidative cell damage were investigated in insulin-producing pancreatic β-cells. We found that deoxyactein protected the pancreatic β-cells against MG-induced cell death...
June 12, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28623388/lateral-diffusion-and-signaling-of-receptor-for-advanced-glycation-end-products-rage-a-receptor-involved-in-chronic-inflammation
#6
Aleem Syed, Qiaochu Zhu, Emily A Smith
Membrane diffusion is one of the key mechanisms in the cellular function of receptors. The signaling of receptors for advanced glycation end-products (RAGE) has been extensively studied in the context of several pathological conditions, however, very little is known about RAGE diffusion. To fill this gap, RAGE lateral diffusion is probed in native, cholesterol-depleted, and cytoskeleton-altered cellular conditions. In native GM07373 cellular conditions, RAGE has a 90% mobile fraction and an average diffusion coefficient of 0...
June 16, 2017: European Biophysics Journal: EBJ
https://www.readbyqxmd.com/read/28618037/hydrogen-peroxide-stimulates-exosomal-cathepsin-b-regulation-of-the-receptor-for-advanced-glycation-end-products-rage
#7
Charles A Downs, Viet D Dang, Nicholle M Johnson, Nancy Denslow, Abdel A Alli
Exosomes are nano-sized vesicles that are secreted into the extracellular environment. These vesicles contain various biological effector molecules that can regulate intracellular signaling pathways in recipient cells. The aim of this study was to examine a correlation between exosomal cathepsin B activity and the receptor for advanced glycation end-products (RAGE). Type 1 alveolar epithelial (R3/1) cells were treated with or without hydrogen peroxide and exosomes isolated from the cell conditioned media were characterized by NanoSight analysis...
June 15, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28616913/-the-effect-of-exogenous-recombinant-hmgb1-on-neural-stem-cells-and-related-mechanism
#8
Hui-Min Zhang, Bo Wu, Tian Cao, Yu-Ying Yan, Ming Liu
OBJECTIVES: To explore the effect of exogenous recombinant high mobility group protein box1 (rHMGB1) on proliferation and differentiation of neural stem cells (NSCs) and the related mechanism. METHODS: SD rat cerebral cortex cells were cultured in serum-free medium, extending the culture and purification of neural stem cells. NSCs were identified by detecting nestin-label with immunofluorescence method.The NSCs proliferation activity after adding different concentrations of rHMGB1 was determined by CCK-8 assay and the optimal concentration of rHMGB1 for the follow-up experiments was selected...
May 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28612557/-effects-of-rage-on-cell-proliferation-and-tumor-growth-in-pancreatic-cancer
#9
Wei-Wei Chen, Qiang Guo, Zhao-da Zhang, Wei-Ming Hu
OBJECTIVES: To investigate the effect of receptor for advanced glycation end products (RAGE) on cell proliferation and tumor growth in nude mice with pancreatic cancer. METHODS: PANC-1 cells were transfected with shRNA RAGE -1, -2, -3 to down-regulate the expression of RAGE. Cholecystokinin octopeptide-8 (CCK-8), real-time PCR and Western blot were performed to test the impact of shRNA RAGE on the expressions of mRNAs and proteins of RAGE, matrix metalloproteinase-2 (MMP-2), MMP-9, nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), and vascular endothelial growth factor (VEGF)...
January 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28608784/suppressed-mmp-9-activity-in-myocardial-infarction-related-cardiogenic-shock-implies-diminished-rage-degradation
#10
Simina-Ramona Selejan, Lisa Hewera, Matthias Hohl, Andrey Kazakov, Sebastian Ewen, Ingrid Kindermann, Michael Böhm, Andreas Link
BACKGROUND: Receptor for advanced glycation end products (RAGE) and its cleavage fragment soluble RAGE (sRAGE) are opposite players in inflammation. Enhanced monocytic RAGE expression and decreased plasma sRAGE levels are associated with higher mortality in infarction-related cardiogenic shock. Active matrix metalloproteinase-9 (MMP-9) has been implied in RAGE ectodomain cleavage and subsequently sRAGE shedding in vitro. We investigated MMP-9 activity in myocardial infarction-induced cardiogenic shock with regard to RAGE/sRAGE regulation...
July 2017: Shock
https://www.readbyqxmd.com/read/28606778/hmgb1-promotes-neurovascular-remodeling-via-rage-in-the-late-phase-of-subarachnoid-hemorrhage
#11
Xiaodi Tian, Liang Sun, Dongxia Feng, Qing Sun, Yang Dou, Chenglin Liu, Feng Zhou, Haiying Li, Haitao Shen, Zhong Wang, Gang Chen
High-mobility group box1 (HMGB1) is a nuclear protein widely expressed in the central nervous system. Extracellular HMGB1 serves as a proinflammatory cytokine and contributes to brain injury during the acute stage post-stroke. Recently, increasing evidence has demonstrated beneficial effects of HMGB1 in some types of brain injury, but little is known about its effects during the late phase of subarachnoid hemorrhage (SAH). This study was designed to explore the potential roles and mechanisms of HMGB1 and its receptor, receptor for advanced glycation end-products (Rage), on brain recovery in the late stage of experimental SAH...
June 9, 2017: Brain Research
https://www.readbyqxmd.com/read/28605247/the-distinct-and-cooperative-roles-of-toll-like-receptor-9-and-receptor-for-advanced-glycation-end-products-in-modulating-in-vivo-inflammatory-responses-to-select-cpg-and-non-cpg-oligonucleotides
#12
Suzanne Paz, Jill Hsiao, Patrick Cauntay, Armand Soriano, Lawrence Bai, Todd Machemer, Xiaokun Xiao, Shuling Guo, Gene Hung, Husam Younis, C Frank Bennett, Scott Henry, Theodore J Yun, Sébastien Burel
Antisense oligonucleotides (ASOs) are widely accepted therapeutic agents that suppress RNA transcription. While the majority of ASOs are well tolerated in vivo, few sequences trigger inflammatory responses in absence of conventional CpG motifs. In this study, we identified non-CpG oligodeoxy-nucleotide (ODN) capable of triggering an inflammatory response resulting in B cell and macrophage activation in a MyD88- and TLR9-dependent manner. In addition, we found the receptor for advance glycation end product (RAGE) receptor to be involved in the initiation of inflammatory response to suboptimal concentrations of both CpG- and non-CpG-containing ODNs...
June 12, 2017: Nucleic Acid Therapeutics
https://www.readbyqxmd.com/read/28592983/age-dependent-accumulation-patterns-of-advanced-glycation-end-product-receptor-rage-ligands-and-binding-intensities-between-rage-and-its-ligands-differ-in-the-liver-kidney-and-skeletal-muscle
#13
Myeongjoo Son, Wook-Jin Chung, Seyeon Oh, Hyosang Ahn, Chang Hu Choi, Suntaek Hong, Kook Yang Park, Kuk Hui Son, Kyunghee Byun
BACKGROUND: Much evidence indicates receptor for advanced glycation end products (RAGE) related inflammation play essential roles during aging. However, the majority of studies have focused on advanced glycation end products (AGEs) and not on other RAGE ligands. In the present study, the authors evaluated whether the accumulation of RAGE ligands and binding intensities between RAGE and its ligands differ in kidney, liver, and skeletal muscle during aging. RESULTS: In C57BL/6 N mice aged 12 weeks, 12 months, and 22 months, ligands accumulation, binding intensities between RAGE and its ligands, activated macrophage infiltration, M1/M2 macrophage expression, glyoxalase-1expression, and signal pathways related to inflammation were evaluated...
2017: Immunity & Ageing: I & A
https://www.readbyqxmd.com/read/28573383/increased-expression-of-damage-associated-molecular-patterns-damps-in-osteoarthritis-of-human-knee-joint-compared-to-hip-joint
#14
John H Rosenberg, Vikrant Rai, Matthew F Dilisio, Todd D Sekundiak, Devendra K Agrawal
Osteoarthritis (OA) is a degenerative disease characterized by the destruction of cartilage. The greatest risk factors for the development of OA include age and obesity. Recent studies suggest the role of inflammation in the pathogenesis of OA. The two most common locations for OA to occur are in the knee and hip joints. The knee joint experiences more mechanical stress, cartilage degeneration, and inflammation than the hip joint. This could contribute to the increased incidence of OA in the knee joint. Damage-associated molecular patterns (DAMPs), including high-mobility group box-1, receptor for advanced glycation end products, and alarmins (S100A8 and S100A9), are released in the joint in response to stress-mediated chondrocyte and cartilage damage...
June 1, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28559218/argpyrimidine-tagged-rutin-encapsulated-biocompatible-ethylene-glycol-dimers-nanoparticles-application-for-targeted-drug-delivery-in-experimental-diabetes-part-2
#15
Abhishek Bhattacherjee, Abhay Sankar Chakraborti
Diabetes mellitus is characterized by hyperglycemia and associated complications. However, long-term diabetes control is not often sustained by currently available therapeutic approaches. Research on nanoparticle-mediated drug delivery systems is in progress. Here we have tested a ligand (argpyrimidine)-tagged drug (rutin)-encapsulated biocompatible (ethylene glycol dimers) nanoparticle for targeted drug delivery in streptozotocin-induced diabetic rats. Argpyrimidine, being an advanced glycation end product (AGE), directs the nanoparticles to interact with cell surface receptors of AGEs (RAGE) and delivers the drug into the cells...
May 27, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28558055/plasma-levels-of-high-mobility-group-box-1-and-soluble-receptor-for-advanced-glycation-end-products-in-primary-antiphospholipid-antibody-syndrome-patients
#16
Kuo-Tung Tang, Tsu-Yi Hsieh, Ya-Hsuan Chao, Meng-Xian Lin, Yi-Hsing Chen, Der-Yuan Chen, Chi-Chen Lin
INTRODUCTION: Many studies have demonstrated elevated circulating levels of high-mobility group box 1 (HMGB1) and decreased circulating levels of soluble receptor for advanced glycation end products (sRAGE) in patients with autoimmune diseases. In the present study, we investigated plasma levels of both HMGB1 and sRAGE in primary antiphospholipid syndrome (pAPS) patients. METHODS: We prospectively recruited 11 pAPS patients, 17 antiphospholipid antibody (APA)-positive SLE patients without APS manifestations (APA+SLE) and 12 SLE patients with secondary APS (APS+SLE)...
2017: PloS One
https://www.readbyqxmd.com/read/28553317/meta-analysis-of-human-alzgene-database-benefits-and-limitations-of-using-c-elegans-for-the-study-of-alzheimer-s-disease-and-co-morbid-conditions
#17
Behrad Vahdati Nia, Christine Kang, Michelle G Tran, Deborah Lee, Shin Murakami
Human genome-wide association studies (GWAS) and linkage studies have identified 695 genes associated with Alzheimer's disease (AD), the vast majority of which are associated with late-onset AD. Although orthologs of these AD genes have been studied in several model species, orthologs in the nematode, Caenorhabditis elegans, remain incompletely identified, with orthologs to only 17 AD-related genes identified in the C. elegans database, WormBase. Therefore, we performed a comprehensive search for additional C...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28551086/hmgb1-rage-pathway-drives-peroxynitrite-signaling-induced-ibd-like-inflammation-in-murine-nonalcoholic-fatty-liver-disease
#18
Varun Chandrashekaran, Ratanesh K Seth, Diptadip Dattaroy, Firas Alhasson, Jacek Ziolenka, James Carson, Franklin G Berger, Balaraman Kalyanaraman, Anna Mae Diehl, Saurabh Chatterjee
Recent clinical studies found a strong association of colonic inflammation and Inflammatory bowel disease (IBD)-like phenotype with NonAlcoholic Fatty liver Disease (NAFLD) yet the mechanisms remain unknown. The present study identifies high mobility group box 1 (HMGB1) as a key mediator of intestinal inflammation in NAFLD and outlines a detailed redox signaling mechanism for such a pathway. NAFLD mice showed liver damage and release of elevated HMGB1 in systemic circulation and increased intestinal tyrosine nitration that was dependent on NADPH oxidase...
May 10, 2017: Redox Biology
https://www.readbyqxmd.com/read/28546110/hypoxia-driven-glycation-mechanisms-and-therapeutic-opportunities
#19
REVIEW
Mohammad Imran Khan, Suvasmita Rath, Vaqar Mustafa Adhami, Hasan Mukhtar
Tumor masses are deprived of oxygen and characterized by enhanced glucose uptake followed by glycolysis. Elevated glucose levels induce non-enzymatic glycosylation or glycation of proteins which leads to accumulation of advanced glycation end products (AGE). These AGE molecules bind to their respective receptors called the receptor for advanced glycation end products (RAGE) and initiate several aberrant signaling pathways leading to onset of diseases such as diabetes, Alzheimer's, atherosclerosis, heart failure and cancer...
May 22, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/28545586/disulfide-high-mobility-group-box-1-causes-bladder-pain-through-bladder-toll-like-receptor-4
#20
Fei Ma, Dimitrios E Kouzoukas, Katherine L Meyer-Siegler, Karin N Westlund, David E Hunt, Pedro L Vera
BACKGROUND: Bladder pain is a prominent symptom in several urological conditions (e.g. infection, painful bladder syndrome/interstitial cystitis, cancer). Understanding the mechanism of bladder pain is important, particularly when the pain is not accompanied by bladder pathology. Stimulation of protease activated receptor 4 (PAR4) in the urothelium results in bladder pain through release of urothelial high mobility group box-1 (HMGB1). HGMB1 has two functionally active redox states (disulfide and all-thiol) and it is not known which form elicits bladder pain...
May 25, 2017: BMC Physiology
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