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Biomarkers endothelial damage

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https://www.readbyqxmd.com/read/28316143/endothelial-microparticles-act-as-novel-diagnostic-and-therapeutic-biomarkers-of-circulatory-hypoxia-related-diseases-a-literature-review
#1
REVIEW
Fan Deng, Shuang Wang, Liangqing Zhang
Circulatory hypoxia-related diseases (CHRDs), including acute coronary syndromes, stroke and organ transplantation, attract increased attention due to high morbidity and mortality. Mounting evidence shows that hypoxia-induced oxidative stress, coagulation, inflammation and angiogenesis play extremely important roles in the physiological and pathological processes of CHRD-related vascular endothelial injury. Interestingly, hypoxia, even hypoxia-induced oxidative stress, coagulation and inflammation can all induce release of endothelial microparticles (EMPs)...
March 18, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28302155/a-prospective-randomised-placebo-controlled-double-masked-three-armed-multicentre-phase-ii-iii-trial-for-the-study-of-a-topical-treatment-of-ischaemic-central-retinal-vein-occlusion-to-prevent-neovascular-glaucoma-the-strong-study-study-protocol-for-a-randomised
#2
Katrin Lorenz, Yvonne Scheller, Katharina Bell, Franz Grus, Katharina A Ponto, Felix Bock, Claus Cursiefen, Jens Flach, Marta Gehring, Tunde Peto, Rufino Silva, Yossi Tal, Norbert Pfeiffer
BACKGROUND: Neovascular glaucoma (NVG) is rare, comprising only 3.9% of all glaucoma cases. The most common cause of NVG is ischaemic central retinal vein occlusion (iCRVO). NVG frequently results in blindness and painful end-stage glaucomatous damage leading to the need for enucleation. Currently, there is no preventive therapy for NVG following iCRVO. Rescue treatments have severe drawbacks. Accordingly, there is a great need for preventing the often visually devastating outcomes of NVG...
March 16, 2017: Trials
https://www.readbyqxmd.com/read/28260391/endothelial-glycocalyx-damage-and-renal-dysfunction-in-hiv-patients-receiving-combined-antiretroviral-therapy
#3
Gdayllon Cavalcante Meneses, Malena Gadelha Cavalcante, Geraldo Da Silva Junior, Alice Maria Costa Martins, Roberto da Justa Pires Neto, Alexandre Liborio, Elizabeth Daher
BACKGROUND: Widespread use of combined antiretroviral therapy (cART) increase HIV patients' life expectancy, however favored the development of kidney and cardiovascular diseases. The aim of this study was to investigate endothelial glycocalyx damage and its association with renal function in HIV patients receiving cART. METHODS: This is a cross-sectional study with HIV-infected patients with no renal and cardiovascular disease, recruited in public health centers in Brazil...
March 6, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28237909/the-relationship-between-smoking-intensity-and-subclinical-cardiovascular-injury-the-multi-ethnic-study-of-atherosclerosis-mesa
#4
Mahmoud Al Rifai, Andrew P DeFillippis, John W McEvoy, Michael E Hall, Ana Navas Acien, Miranda R Jones, Rachel Keith, Hoda S Magid, Carlos J Rodriguez, Graham R Barr, Emelia J Benjamin, Rose Marie Robertson, Aruni Bhatnagar, Michael J Blaha
BACKGROUND AND AIMS: Modern tobacco regulatory science requires an understanding of which biomarkers of cardiovascular injury are most sensitive to cigarette smoking exposure. METHODS: We studied self-reported current smokers from the Multi-Ethnic Study of Atherosclerosis. Smoking intensity was defined by number of cigarettes/day and urinary cotinine levels. Subclinical cardiovascular injury was assessed using markers of inflammation [high-sensitivity C-reactive protein (hsCRP), interleukin 6 & 2 (IL-2 & IL-6), tumor necrosis factor alpha (TNF-α)], thrombosis (fibrinogen, D-dimer, homocysteine), myocardial injury (troponin T; TnT), endothelial damage (albumin: creatinine ratio), and vascular function [aortic & carotid distensibility, flow-mediated dilation (FMD)]...
March 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28178159/adma-predicts-major-adverse-renal-events-in-patients-with-mild-renal-impairment-and-or-diabetes-mellitus-undergoing-coronary-angiography
#5
Fabian Heunisch, Lyubov Chaykovska, Gina von Einem, Markus Alter, Thomas Dschietzig, Axel Kretschmer, Karl-Heinz Kellner, Berthold Hocher
Asymmetric dimethylarginine (ADMA) is a competitive inhibitor of the nitric oxide (NO)-synthase and a biomarker of endothelial dysfunction (ED). ED plays an important role in the pathogenesis of contrast-induced nephropathy (CIN). The aim of our study was to evaluate serum ADMA concentration as a biomarker of an acute renal damage during the follow-up of 90 days after contrast medium (CM) application.Blood samples were obtained from 330 consecutive patients with diabetes mellitus or mild renal impairment immediately before, 24 and 48 hours after the CM application for coronary angiography...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28164557/the-detection-of-urinary-podocytes-from-drug-induced-glomerular-thrombotic-microangiopathy-in-advanced-cancer-patients
#6
Joichi Usui, Chie Yokoyama, Masahiro Hagiwara, Kai Hirayasu, Takahiro Kojima, Takayuki Yoshino, Hiroyuki Nishiyama, Masanori Hara, Kunihiro Yamagata
BACKGROUND: Focusing on glomerular thrombotic microangiopathy (TMA), we detected urinary podocytes to evaluate podocyte damage following glomerular endothelial cell injury. METHODS: We analyzed the relationship between urinary podocytes as biomarkers for podocyte injuries and clinical manifestations in five patients of anti-cancer-drug-induced glomerular TMA. RESULTS: Cancer in all five patients was advanced, including 4 cases of renal cell carcinoma treated with tyrosine kinase inhibitor, and one with intrahepatic bile duct carcinoma treated with gemcitabine...
December 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28128745/endothelial-dysfunction-microvascular-damage-and-ischemic-peripheral-vasculopathy-in-systemic-sclerosis
#7
Ivone Fernandes Santos da Silva, Andreia Teixeira, José Oliveira, Rui Almeida, Carlos Vasconcelos
OBJECTIVE: To evaluate endothelial dysfunction and microvascular damage in secondary Raynaud Phenomenon (SRP) and Systemic sclerosis (SSc)-associated patients as possible predictors of ischemic fingertip digital ulcers (DU) in a 3-year clinical follow-up. METHODS: Flow-mediated dilatation (FMD), nailfold videocapillaroscopy (NVC), endothelin-1 (ET-1) and asymmetric dimethylarginine (ADMA) were analysed in a 3-year observational cohort study of 77 SRP patients with systemic sclerosis...
January 27, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28118643/the-association-of-baseline-and-longitudinal-change-in-endothelial-microparticle-count-with-mortality-in-chronic-kidney-disease
#8
Darren Green, Sarah Skeoch, M Yvonne Alexander, Philip A Kalra, Ben Parker
BACKGROUND: Chronic kidney disease (CKD) is associated with a unique milieu of vascular pathology, and effective biomarkers of active vascular damage are lacking. A candidate biomarker is the quantification of circulating endothelial microparticles (EMPs). This study observed baseline and longitudinal EMP change (δEMP) and established the association of these with all-cause mortality and cardiovascular events in CKD. METHOD: An observational study in adults with CKD (estimated glomerular filtration rate [eGFR] <60 mL/min/1...
January 25, 2017: Nephron
https://www.readbyqxmd.com/read/28110852/cardiac-troponin-t-as-early-marker-of-subclinical-cardiovascular-deterioration-in-black-hypertensive-women
#9
R Kruger, A E Schutte, C M C Mels, W Smith, J M van Rooyen, I M Kruger, C M T Fourie
BACKGROUND: Hypertensive heart disease is a rising concern, especially among black South African women. As high sensitivity cardiac troponin T (cTnT) is a marker of cardiomyocyte damage, we determined the potential link of (i) systemic endothelial dysfunction (reflected by urinary albumin-to-creatinine ratio), (ii) large artery stiffness, (iii) cardiac volume load (estimated by the N-terminal prohormone B-type natriuretic peptide (Nt-proBNP)), and (iv) ECG left ventricular hypertrophy in post-menopausal black women...
December 19, 2016: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28110693/could-calprotectin-and-endocan-serve-as-troponin-of-nephrologists
#10
Arsalan Azimi
AKI, a serious, common and occasionally under-recognized condition, which is a significant contributor to the growing incidence of CKD and end-stage renal disease (ESRD). To date, the diagnosis of AKI is made by serial measurement of Cr and BUN which are late and imprecise markers of kidney injury. "Calprotectin" and "endocan" are two biomarkers that could reflect renal tubular injury and glomerular/endothelial-vascular damage, respectively. Measurement of urinary calprotectin could help the physicians to diagnose tubular degradation and differentiate prerenal AKI from intrinsic AKI...
February 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28061383/increased-blood-brain-barrier-permeability-is-associated-with-dementia-and-diabetes-but-not-amyloid-pathology-or-apoe-genotype
#11
Shorena Janelidze, Joakim Hertze, Katarina Nägga, Karin Nilsson, Christer Nilsson, Malin Wennström, Danielle van Westen, Kaj Blennow, Henrik Zetterberg, Oskar Hansson
Blood-brain barrier (BBB) dysfunction might be an important component of many neurodegenerative disorders. In this study, we investigated its role in dementia using large clinical cohorts. The cerebrospinal fluid (CSF)/plasma albumin ratio (Qalb), an indicator of BBB (and blood-CSF barrier) permeability, was measured in a total of 1015 individuals. The ratio was increased in patients with Alzheimer's disease, dementia with Lewy bodies or Parkinson's disease dementia, subcortical vascular dementia, and frontotemporal dementia compared with controls...
March 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/28054932/hiv-infection-rather-than-concurrent-opportunistic-infections-drives-most-systemic-procoagulant-vascular-and-damage-responses-a-prospective-cohort-study-in-central-africa
#12
Saskia Janssen, Michaela Am Huson, Kara K Osbak, Elie-Gide Rossatanga, Abraham Alabi, René Lutter, Martin P Grobusch, Tom van der Poll
BACKGROUND: HIV infection is accompanied by various systemic host responses, including activation of coagulation and the vascular endothelium. We sought to determine the impact of opportunistic co-infections in a Central-African setting. METHODS: This prospective study included 98 HIV-infected individuals in Gabon initiating combination antiretroviral therapy (cART) and followed them up for 6 months. Patients were stratified according to the presence of active tuberculosis (TB; n=19), mucocutaneous opportunistic infection (n=9), or no opportunistic infection (n=70)...
January 5, 2017: Antiviral Therapy
https://www.readbyqxmd.com/read/28011155/soluble-vascular-endothelial-ve-cadherin-and-autoantibodies-to-ve-cadherin-in-rheumatoid-arthritis-patients-treated-with-etanercept-or-adalimumab
#13
Christopher Banse, Helena Polena, Barry Stidder, Abir Khalil-Mgharbel, Estelle Houivet, Thierry Lequerré, Patrice Fardellone, Xavier Le-Loët, Peggy Philippe, Christian Marcelli, Olivier Vittecoq, Isabelle Vilgrain
OBJECTIVES: The aim of this study was to investigate the clinical value of sVE and anti-vascular endothelial-cadherin antibodies (AAVE) in RA treated with etanercept or adalimumab combined with methotrexate. METHODS: This was an 18-month prospective multicenter study in which patients had active RA, requiring TNF antagonist. sVE rates and AAVE titers were measured respectively by dot blot and ELISA. The relationship of these biomarkers with parameters reflecting articular or systemic disease activity, progression of structural damage, and response or remission to treatment was analyzed...
November 25, 2016: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/27996266/blueberry-anthocyanin-enriched-extracts-attenuate-fine-particulate-matter-pm2-5-induced-cardiovascular-dysfunction
#14
Ziyu Wang, Wei Pang, Congcong He, Yibo Li, Yugang Jiang, Changjiang Guo
Blueberry anthocyanin-enriched extracts (BAE) at three doses (0.5, 1.0, and 2.0 g/kg) were administered by oral gavage to rats exposed to 10 mg/kg fine particulate matter (PM2.5) three times a week. A positive control group was exposed to PM2.5 without BAE treatment. We analyzed heart rate (HR), electrocardiogram (ECG), and histopathology, and biomarkers of cardiovascular system injuries, systemic inflammation, oxidative stress, endothelial function, and apoptosis. Results indicated that BAE, particularly at 1...
December 20, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/27994597/aging-male-spontaneously-hypertensive-rat-as-an-animal-model-for-the-evaluation-of-the-interplay-between-contrast-induced-acute-kidney-injury-and-cardiorenal-syndrome-in-humans
#15
REVIEW
Jun Zhang, Mohammad Kazem Fallahzadeh, Peter A McCullough
BACKGROUND: Although there are some animal models for biomarkers of contrast-induced acute kidney injury (CI-AKI), for cardiorenal syndrome (CRS) and for acute renal failure, the interplay between CI-AKI and CRS has yet to be evaluated. Insight into the pathogenesis of CRS is urgently needed from animal models in order to foster the discovery and implementation of novel biomarkers for this disease. Specially designed animal models for type 1 and 3 CRS, particularly CI-AKI, have not yet emerged...
November 2016: Cardiorenal Medicine
https://www.readbyqxmd.com/read/27940206/hydroxytyrosol-ameliorates-metabolic-cardiovascular-and-liver-changes-in-a-rat-model-of-diet-induced-metabolic-syndrome-pharmacological-and-metabolism-based-investigation
#16
Hemant Poudyal, Nikolaos Lemonakis, Panagiotis Efentakis, Evangelos Gikas, Maria Halabalaki, Ioanna Andreadou, Leandros Skaltsounis, Lindsay Brown
Metabolic syndrome is a clustering of interrelated risk factors for cardiovascular disease and diabetes. The Mediterranean diet has been proposed as an important dietary pattern to confer cardioprotection by attenuating risk factors of metabolic syndrome. Hydroxytyrosol (HT) is present in olive fruit and oil, which are basic constituents of the Mediterranean diet. In this study, we have shown that treatment with HT (20mg/kg/d for 8 weeks) decreased adiposity, improved impaired glucose and insulin tolerance, improved endothelial function with lower systolic blood pressure, decreased left ventricular fibrosis and resultant diastolic stiffness and reduced markers of liver damage in a diet-induced rat model of metabolic syndrome...
December 8, 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/27924211/circulating-mir-126-and-mir-499-reflect-progression-of-cardiovascular-disease-correlations-with-uric-acid-and-ejection-fraction
#17
Masoud Khanaghaei, Fereshtah Tourkianvalashani, Seyedhossein Hekmatimoghaddam, Nasrin Ghasemi, Mahdi Rahaie, Vahid Khorramshahi, Akhtar Sheikhpour, Zahra Heydari, Fatemeh Pourrajab
BACKGROUND: The aim of this study was to assess plasma levels of endothelium- and heart-associated microRNAs (miRNAs) miR-126 and miR-499, respectively, using quantitative reverse transcriptase polymerase chain reaction. METHODS: A two-step analysis was conducted on 75 patients undergoing off-pomp coronary artery bypass graft (CABG) surgery. Five biomarkers of inflammation and cardiac injury were assessed in addition to the above-mentioned miRNAs. RESULTS: Plasma concentrations of miRNAs were found to be significantly correlated with plasma levels of cardiac troponin I (cTnI) (miR-499, r 0...
January 2016: Heart International
https://www.readbyqxmd.com/read/27913210/trpv4-activation-of-endothelial-nitric-oxide-synthase-resists-nonalcoholic-fatty-liver-disease-by-blocking-cyp2e1-mediated-redox-toxicity
#18
Ratanesh K Seth, Suvarthi Das, Diptadip Dattaroy, Varun Chandrashekaran, Firas Alhasson, Gregory Michelotti, Mitzi Nagarkatti, Prakash Nagarkatti, Anna Mae Diehl, P Darwin Bell, Wolfgang Liedtke, Saurabh Chatterjee
NAFLD is a clinically progressive disease with steatosis, inflammation, endothelial dysfunction and fibrosis being the stages where clinical intervention becomes necessary. Lack of early biomarkers and absence of a FDA approved drug obstructs efforts for effective treatment. NAFLD progression is strongly linked to a balance between liver injury, tissue regeneration and the functioning of endogenous defense mechanisms. The failure of the defense pathways to resist the tissue damage arising from redox stress, one of the "multiple hits" in disease progression, give rise to heightened inflammation and occasional fibrosis...
January 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/27908668/associations-between-urinary-biomarkers-of-oxidative-stress-and-air-pollutants-observed-in-a-randomized-crossover-exposure-to-steel-mill-emissions
#19
Guillaume Pelletier, Marc Rigden, Lisa Marie Kauri, Robin Shutt, Mamun Mahmud, Sabit Cakmak, Premkumari Kumarathasan, Errol M Thomson, Renaud Vincent, Gayle Broad, Ling Liu, Robert Dales
The effects of industrial air pollution on human health have not been as thoroughly investigated as those of urban air pollution which originates mostly from automotive transport. To better assess the health impacts of point sources of industrial air pollution, a randomized crossover exposure study was conducted. Sixty one young and healthy volunteers were randomly assigned to spend five consecutive eight-hour days near a steel mill or at a location five kilometres away. After a nine or sixteen-day washout period, volunteers spent another five consecutive days at the second site...
November 25, 2016: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/27904658/circulating-microparticles-enhanced-rat-vascular-wall-remodeling-following-endothelial-denudation
#20
Fan-Yen Lee, Hung-I Lu, Han-Tan Chai, Jiunn-Jye Sheu, Yi-Ling Chen, Tein-Hung Huang, Gour-Shenq Kao, Sheng-Yi Chen, Sheng-Ying Chung, Pei-Hsun Sung, Hsueh-Wen Chang, Mel S Lee, Hon-Kan Yip
This study tested the hypothesis that circulating microparticles (MPs) exacerbated vascular wall (VW) remodeling after endothelial denudation by 0.014 wire in a rat model. Adult male Sprague Dawley rats (n = 40) were equally categorized into group 1 [sham-control (SC); 3.0 mL saline intravenous injection], group 2 [SC + intravenous MPs (1.0 × 10(7)) derived from patients with carotid artery stenosis (CAS)], group 3 [femoral arterial endothelial denudation (FAED)], group 4 (FAED + MPs derived from healthy subjects), and group 5 (FAED + CAS-derived MPs)...
2016: American Journal of Translational Research
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