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https://www.readbyqxmd.com/read/28434937/defining-a-research-agenda-to-address-the-converging-epidemics-of-tuberculosis-and-diabetes-part-2-underlying-biological-mechanisms
#1
REVIEW
Katharina Ronacher, Reinout van Crevel, Julia Critchley, Andrew A Bremer, Larry S Schlesinger, Anil Kapur, Randall Basaraba, Hardy Kornfeld, Blanca I Restrepo
There is growing interest in the re-emerging interaction between type 2 diabetes (DM) and tuberculosis (TB), but the underlying biological mechanisms are poorly understood despite their possible implications in clinical management. Experts in epidemiological, public health, basic science and clinical studies recently convened and identified research priorities for elucidating the underlying mechanisms for the co-ocurrence of TB and DM. We identified gaps in current knowlege of altered immunity in DM patients during TB, where most studies suggest an under-performing innate immunity, but exaggerated adaptive immunity to Mycobacterium tuberculosis...
April 19, 2017: Chest
https://www.readbyqxmd.com/read/28434257/ratio-of-serum-levels-of-ages-to-soluble-rage-is-correlated-with-trimethylamine-n-oxide-in-non-diabetic-subjects
#2
Atsuko Tahara, Nobuhiro Tahara, Sho-Ichi Yamagishi, Akihiro Honda, Sachiyo Igata, Yoshikazu Nitta, Munehisa Bekki, Tomohisa Nakamura, Yoichi Sugiyama, Jiahui Sun, Masayoshi Takeuchi, Makiko Shimizu, Hiroshi Yamazaki, Kei Fukami, Yoshihiro Fukumoto
Trimethylamine (TMA), an intestinal microflora-dependent metabolite formed from phosphatidylcholine- and L-carnitine-rich food, such as red meat, is further converted to trimethylamine-N-oxide (TMAO), which could play a role in cardiometabolic disease. Red meat-derived products are one of the major environmental sources of advanced glycation end products (AGEs) that may also contribute to the pathogenesis of cardiometabolic disorders through the interaction with receptor for AGEs (RAGE). However, the relationship among AGEs, soluble form of RAGE (sRAGE) and TMAO in humans remains unclear...
April 23, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28433998/interferon-%C3%AE-1a-modulates-expression-of-rage-but-not-s100a12-and-nuclear-factor-%C3%AE%C2%BAb-in-multiple-sclerosis-patients
#3
Gholamreza Asadikaram, Saam Noroozi, Hossein Ali Ebrahimi Meimand, Mojgan Sanjari, Nahid Zainodini, Hossein Khoramdelazad, Nader Shahrokhi, Mohammad Kazemi Arababadi
OBJECTIVES: Interferon-β 1a (IFN-β 1a) is a common strategy therapy for multiple sclerosis (MS) with unknown mechanisms. S100A12 (S100 calcium-binding protein A12) is a damage-associated molecular pattern molecule which binds to its receptor, RAGE (receptor for advanced glycation end products), and activates nuclear factor-κB (NF-κB). NF-κB is transcribed from proinflammatory molecules, which may participate in the pathogenesis of MS. Therefore, the aims of this study were to compare mRNA levels of S100A12, RAGE, and NF-κB in newly diagnosed MS patients with healthy controls and determine whether IFN-β 1a therapy affects the expression of the molecules...
April 22, 2017: Neuroimmunomodulation
https://www.readbyqxmd.com/read/28431540/prevention-of-advanced-glycation-end-products-formation-in-diabetic-rats-through-beta-cell-modulation-by-aegle-marmelos
#4
Rahman M Hafizur, Shahrukh Momin, Noor Fatima
BACKGROUND: Although the anti-diabetic activity of Aegle marmelos (AM) is known, however, its anti-glycation activity is not reported yet. In this study, we have investigated its anti-glycation activity under in vitro and in vivo conditions and determined possible mechanism(s) in streptozotocin-induced diabetic rats. METHODS: Effective dose of AM (400 mg/kg) was administrated orally to diabetic rats for 42 days. Thereafter, blood glucose, serum insulin, HbA1c, antioxidant status, and advanced glycation end-products (AGEs) were measured...
April 21, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28428279/interaction-between-tumor-cell-surface-receptor-rage-and-proteinase-3-mediates-prostate-cancer-metastasis-to-bone
#5
Mikhail G Kolonin, Anna Sergeeva, Daniela I Staquicini, Tracey L Smith, Christy A Tarleton, Jeffrey J Molldrem, Richard L Sidman, Serena Marchiò, Renata Pasqualini, Wadih Arap
Human prostate cancer often metastasizes to bone, but the biological basis for such site-specific tropism remains largely unresolved. Recent work led us to hypothesize that this tropism may reflect pathogenic interactions between RAGE, a cell surface receptor expressed on malignant cells in advanced prostate cancer, and proteinase 3 (PR3), a serine protease present in inflammatory neutrophils and hematopoietic cells within the bone marrow microenvironment. In this study, we establish that RAGE-PR3 interaction mediates homing of prostate cancer cells to the bone marrow...
April 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28427390/advanced-glycation-end-products-decreases-expression-of-endothelial-nitric-oxide-synthase-through-oxidative-stress-in-human-coronary-artery-endothelial-cells
#6
Xiaomei Ren, Liqun Ren, Qin Wei, Hua Shao, Long Chen, Naifeng Liu
BACKGROUND: Advanced glycation end-products (AGEs) are elevated under diabetic conditions and associated with insulin resistance, endothelial dysfunction and vascular inflammation in humans. It has been demonstrated that AGEs evoke oxidative and inflammatory reactions in endothelial cells through the interaction with a receptor for AGEs (RAGE). Here, we aimed to identify the cellular mechanisms by which AGEs exacerbate the endothelial dysfunction in human coronary artery endothelial cells (HCAECs)...
April 20, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28423002/human-sr-bii-mediates-saa-uptake-and-contributes-to-saa-pro-inflammatory-signaling-in-vitro-and-in-vivo
#7
Irina N Baranova, Ana C P Souza, Alexander V Bocharov, Tatyana G Vishnyakova, Xuzhen Hu, Boris L Vaisman, Marcelo J Amar, Zhigang Chen, Alan T Remaley, Amy P Patterson, Peter S T Yuen, Robert A Star, Thomas L Eggerman
Serum amyloid A (SAA) is an acute phase protein with cytokine-like and chemotactic properties, that is markedly up-regulated during various inflammatory conditions. Several receptors, including FPRL-1, TLR2, TLR4, RAGE, class B scavenger receptors, SR-BI and CD36, have been identified as SAA receptors. This study provides new evidence that SR-BII, splice variant of SR-BI, could function as an SAA receptor mediating its uptake and pro-inflammatory signaling. The uptake of Alexa Fluor488 SAA was markedly (~3 fold) increased in hSR-BII-expressing HeLa cells when compared with mock-transfected cells...
2017: PloS One
https://www.readbyqxmd.com/read/28420460/-bone-marrow-mesenchymal-stem-cells-modulated-the-inflammatory-response-by-regulating-the-expression-of-il-4-and-rage-products-in-the-rats-with-mods
#8
Xia Zhou, Guanghui Xiu, Yichao Zhu, Xiaolei Chen, Wei Xiong, Xinghua Pan, Jie Sun, Bin Ling
OBJECTIVE: To investigate the underlying mechanism of bone marrow mesenchymal stem cells (BMSC) modulating the inflammatory response during the multiple organ dysfunction syndrome (MODS), especially the expression of inflammatory cytokines, which will provide new theoretical and experimental basis of MODS in clinic. METHODS: BMSC of Sprague-Dawley (SD) rat (female, 4 weeks) was extracted and cultivated, and the 4th passage were used in experimental study. According to the random number table, 60 female SD rats were divided into three groups (n = 20 per group): sham group, MODS group, BMSC group...
April 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28417162/s100a6-protein-functional-roles
#9
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/28416135/all-the-rage-in-lung-disease-the-receptor-for-advanced-glycation-endproducts-rage-is-a-major-mediator-of-pulmonary-inflammatory-responses
#10
REVIEW
Elizabeth A Oczypok, Timothy N Perkins, Tim D Oury
The receptor for advanced glycation endproducts (RAGE) is a pro-inflammatory pattern recognition receptor (PRR) that has been implicated in the pathogenesis of numerous inflammatory diseases. It was discovered in 1992 on endothelial cells and was named for its ability to bind advanced glycation endproducts and promote vascular inflammation in the vessels of patients with diabetes. Further studies revealed that RAGE is most highly expressed in lung tissue and spurred numerous explorations into RAGE's role in the lung...
March 18, 2017: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/28415882/rage-receptor-targeted-bioconjuguate-lipid-nanoparticles-of-diallyl-disulfide-for-improved-apoptotic-activity-in-triple-negative-breast-cancer-in-vitro-studies
#11
Venkata Talluri Siddhartha, Sai Kiran S S Pindiprolu, Pavan Kumar Chintamaneni, Shashank Tummala, S Nandha Kumar
In the present study, we have demonstrated receptor for advanced glycation endproducts (RAGE) as a target for delivery of drugs specifically to triple negative breast cancer cells. We have prepared solid lipid nanoparticle formulation of cytotoxic agent di-allyl-disulfide (DADS) to overcome its bioavailability issues. Then, we have surface modified DADS-loaded solid lipid nanoparticles (DADS-SLN) with RAGE antibody to achieve site-specific delivery of DADS to TNBC cells. We found a significant cellular internalization of RAGE surface modified DADS-SLN (DADS-RAGE-SLN) when compared to DADS-SLN...
April 17, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28415753/high-mobility-group-box-1-antagonist-limits-metastatic-seeding-in-the-lungs-via-reduction-of-cell-cell-adhesion
#12
Adi Karsch-Bluman, Benzion Amoyav, Nethanel Friedman, Hila Shoval, Ouri Schwob, Ezra Ella, Ori Wald, Ofra Benny
Metastatic spread is the leading cause for cancer-related mortality, with the lungs being a major site for metastatic seeding. Available therapies for patients with metastatic disease are extremely limited. Therefore, there is a desperate need for new strategies to prevent or limit metastatic dissemination and treat existing metastases. The metastatic cascade is highly complex and is affected by multiple factors related to both tumor cells themselves and the microenvironment in the future site of metastasis...
March 14, 2017: Oncotarget
https://www.readbyqxmd.com/read/28407046/rage-mediated-extracellular-matrix-proteins-accumulation-exacerbates-hysu-induced-pulmonary-hypertension
#13
Daile Jia, Yuhu He, Qian Zhu, Huan Liu, Caojian Zuo, Guilin Chen, Ying Yu, Ankang Lu
Aims: Extracellular matrix (ECM) proteins accumulation contributes to the progression of pulmonary arterial hypertension (PAH), a rare and fatal cardiovascular condition defined by high pulmonary arterial pressure, whether primary, idiopathic, or secondary to other causes. The receptor for advanced glycation end products (RAGE) is constitutively expressed in the lungs and plays an important role in ECM deposition. Nonetheless, the mechanisms by which RAGE mediates ECM deposition/formation in pulmonary arteries and its roles in PAH progression remain unclear...
April 11, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28403949/racial-differences-in-circulating-levels-of-the-soluble-receptor-for-advanced-glycation-endproducts-in-middle-aged-and-older-adults
#14
Tina E Brinkley, Xiaoyan Leng, Barbara J Nicklas, Stephen B Kritchevsky, Jingzhong Ding, Dalane W Kitzman, W Gregory Hundley
BACKGROUND: Low levels of the soluble receptor for advanced glycation endproducts (sRAGE) have been implicated in a number of chronic diseases. Previous studies indicate that sRAGE levels are ~30% lower in Blacks compared to Whites. However, the reasons for these differences are unclear. PURPOSE: We aimed to identify predictors of circulating sRAGE biomarkers among Black and White adults at high cardiac risk. METHODS: Serum levels of total sRAGE, endogenous secretory RAGE (esRAGE), carboxymethyl-lysine (CML, a major RAGE ligand), and their ratios were measured in 99 Blacks and 454 Whites...
May 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28403886/the-long-non-coding-rna-tp73-as1-modulates-hcc-cell-proliferation-through-mir-200a-dependent-hmgb1-rage-regulation
#15
Shaling Li, Yan Huang, Yun Huang, Yongming Fu, Daolin Tang, Rui Kang, Rongrong Zhou, Xue-Gong Fan
BACKGROUND: P73 antisense RNA 1 T (non-protein coding), also known as TP73-AS1, is a long non-coding RNA (lncRNA) which is involved in cell proliferation and the development of tumors. However, the exact effects and molecular mechanisms of TP73-AS1 in hepatocellular carcinoma (HCC) progression are still unknown. The present study is aimed to investigate the detailed functions and the mechanism of TP73-AS1 in regulation of HCC cell proliferation. METHODS: TP73-AS1 expression in HCC tissues and cell lines was determined using real-time PCR assays; the correlation of TP73-AS1 expression with clinicopathological features of HCC was analyzed...
April 12, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28401370/the-research-on-the-relationship-of-rage-lrp-1-and-a%C3%AE-accumulation-in-the-hippocampus-prefrontal-lobe-and-amygdala-of-stz-induced-diabetic-rats
#16
Lou-Yan Ma, Yu-Lang Fei, Xiao-Ye Wang, Song-Di Wu, Jun-Hui Du, Mei Zhu, Long Jin, Ming Li, Hai-Long Li, Jia-Jia Zhai, Lu-Peng Ji, Ran-Ran Ma, Song-Fang Liu, Mo Li, Li Ma, Xiao-Rui Ma, Qiu-Min Qu, Ya-Li Lv
Diabetes mellitus (DM) has been regarded as an important risk factor for Alzheimer's disease (AD), and diabetic patients and animals have shown cognitive dysfunction. More research has shown that the amyloid-β (Aβ), which is a hallmark of AD, was found deposited in the hippocampus of diabetic rats. This Aβ accumulation is regulated by the receptor for advanced glycation end products (RAGE) and low-density lipoprotein receptor-related protein (LRP-1). However, the expression of RAGE and LRP-1 in diabetic rats is not very clear...
April 11, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28399471/cigarette-smoke-extract-cse-induces-rage-mediated-inflammation-in-the-ca9-22-gingival-carcinoma-epithelial-cell-line
#17
Nolan T Sanders, Derek J Dutson, Justin W Durrant, Joshua B Lewis, Shalene H Wilcox, Duane R Winden, Juan A Arroyo, Benjamin T Bikman, Paul R Reynolds
OBJECTIVE: The oral environment is anatomically positioned as a significant gateway for exposure to environmental toxicants. Cigarette smoke exposure compromises oral health by orchestrating inflammation. The receptor for advanced glycation end-products (RAGE) has been implicated in smoke-induced inflammatory effects; however, its role in the oral cavity is unknown. The purpose of this study was to determine RAGE expression by immortalized gingival carcinoma cells and the degree to which RAGE-mediated signaling influences inflammation...
March 31, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28399348/prevalence-and-risk-factors-of-osteoporosisin-postmenopausal-women-with-type-2-diabetes-mellitus
#18
Ivan Raška, Mária Rašková, Vít Zikán, Jan Škrha
OBJECTIVE: Patients with type 2 diabetes (T2DM) are at increased risk of fractures. The aim of this study is to analyze the prevalence and risk factors of osteoporosis and osteoporosis related fractures in postmenopausal women with T2DM. METHODS: A total of 112 postmenopausal women with T2DM and 171 control nondiabetic women received a standardized questionnaire on osteoporosis risk factors, and were evaluated for bone mineral density (BMD, by using a dual energy X-ray absorptiometry), biochemical markers of bone and glucose metabolism, soluble receptor for advanced glycation end products (sRAGE) and its gene polymorphisms (rs1800625 or rs2070600)...
March 2017: Central European Journal of Public Health
https://www.readbyqxmd.com/read/28397051/intrafollicular-soluble-rage-benefits-embryo-development-and-predicts-clinical-pregnancy-in-infertile-patients-of-advanced-maternal-age-undergoing-in-vitro-fertilization
#19
Yu-Jie Li, Jian-Hui Chen, Peng Sun, Jing-Jie Li, Xiao-Yan Liang
Soluble receptor for advanced glycation end products (sRAGE) can decoy the toxic AGEs and is considered to be a protective factor. This study aimed to evaluate the correlation between intrafollicular sRAGE levels and clinical outcomes in infertile women of young or advanced maternal age (AMA) undergoing in vitro fertilization (IVF). A total of 62 young women and 62 AMA women who would undergo IVF were included in this prospective study. The intrafollicular sRAGE concentration was measured to determine its association with the number of retrieved oocytes, fertilized oocytes, high-quality embryos or achievement of clinical pregnancy in young and AMA women, respectively...
April 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28396833/activation-of-ppar%C3%AE-by-baicalin-attenuates-pulmonary-hypertension-in-an-infant-rat-model-by-suppressing-hmgb1-rage-signaling
#20
Zhenjie Chen, Qiuxia Wang
Pulmonary hypertension (PH) is a vascular disease, and proinflammatory factors are strongly implicated in its pathogenesis, causing right ventricular (RV) hypertrophy and heart failure. Baicalin exhibits potent anti-inflammation activity. This study aimed to investigate the curative effects of baicalin in an infant rodent model of PH and to further explore the underlying mechanisms. A PH model in infant rats was induced by hypoxia and the resulting rats were administered baicalin in incremental dosages. Invasive hemodynamic methods were used to measure mean pulmonary arterial pressure (mPAP) and RV end-diastolic pressure (RVEDP)...
April 2017: FEBS Open Bio
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