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https://www.readbyqxmd.com/read/29775961/antioxidant-response-elements-discovery-classes-regulation-and-potential-applications
#1
REVIEW
Azhwar Raghunath, Kiruthika Sundarraj, Raju Nagarajan, Frank Arfuso, Jinsong Bian, Alan P Kumar, Gautam Sethi, Ekambaram Perumal
Exposure to antioxidants and xenobiotics triggers the expression of a myriad of genes encoding antioxidant proteins, detoxifying enzymes, and xenobiotic transporters to offer protection against oxidative stress. This articulated universal mechanism is regulated through the cis-acting elements in an array of Nrf2 target genes called antioxidant response elements (AREs), which play a critical role in redox homeostasis. Though the Keap1/Nrf2/ARE system involves many players, AREs hold the key in transcriptional regulation of cytoprotective genes...
May 7, 2018: Redox Biology
https://www.readbyqxmd.com/read/29775951/retinal-blood-vessel-segmentation-using-fully-convolutional-network-with-transfer-learning
#2
Zhexin Jiang, Hao Zhang, Yi Wang, Seok-Bum Ko
Since the retinal blood vessel has been acknowledged as an indispensable element in both ophthalmological and cardiovascular disease diagnosis, the accurate segmentation of the retinal vessel tree has become the prerequisite step for automated or computer-aided diagnosis systems. In this paper, a supervised method is presented based on a pre-trained fully convolutional network through transfer learning. This proposed method has simplified the typical retinal vessel segmentation problem from full-size image segmentation to regional vessel element recognition and result merging...
April 26, 2018: Computerized Medical Imaging and Graphics: the Official Journal of the Computerized Medical Imaging Society
https://www.readbyqxmd.com/read/29775762/aortic-vascular-calcification-is-inversely-associated-with-the-trabecular-bone-score-in-patients-receiving-dialysis
#3
Jasna Aleksova, Samantha Kurniawan, Mirna Vucak-Dzumhur, Peter Kerr, Peter R Ebeling, Frances Milat, Grahame J Elder
INTRODUCTION: Progressive chronic kidney disease (CKD) confers a marked increase in risk for vascular calcification, cardiovascular disease, fracture and mortality, with likely contributing factors including dysregulated bone metabolism and mineral homeostasis. In general population studies, increased vascular calcification is directly related to mortality and inversely related to bone mineral density (BMD) measured by dual-energy X-ray absorptiometry (DXA). In patients with CKD, abnormalities in turnover, mineralization and bone volume, reduce the ability of DXA to predict fracture...
May 15, 2018: Bone
https://www.readbyqxmd.com/read/29775643/myocardial-infarction-induced-hippocampal-microtubule-damage-by-cardiac-originating-microrna-1-in-mice
#4
Lin-Lin Sun, Ming-Jing Duan, Ji-Chao Ma, Ling Xu, Meng Mao, Das Biddyut, Qin Wang, Chao Yang, Shuai Zhang, Yi Xu, Lin Yang, You Tian, Ying Liu, Sheng-Nan Xia, Ke-Xin Li, Zhuo Jin, Qiaojie Xiong, Jing Ai
Cardiovascular diseases are risk factors for dementia, but the mechanisms remain elusive. Here, we report that myocardial infarction (MI) generated by the ligation of the left coronary artery (LCA) could lead to increased miR-1 levels in the hippocampus and blood with neuronal microtubule damage and decreased TPPP/p25 protein expression in the hippocampus. These changes could be prevented by a knockdown of miR-1 using hippocampal stereotaxic injections of anti-miR-1 oligonucleotide fragments carried by a lentivirus vector (lenti-pre-AMO-miR-1)...
May 15, 2018: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29775496/young-adult-s-knowledge-and-attitudes-towards-cardiovascular-disease-a-systematic-review-and-meta-analysis
#5
REVIEW
Ronald Trejo, Wendy Cross, John Stephenson, Karen-Leigh Edward
AIMS AND OBJECTIVES: To explore young adult's knowledge and attitudes of cardiovascular disease and its risk factors. BACKGROUND: Cardiovascular disease morbidity is rising and mortality is declining among young adults. However, the knowledge of cardiovascular disease by young adults is not well known. DESIGN: A systematic review with meta-analysis was used. METHODS: The databases of CINHAL, Medline Complete, PsychINFO and Psycharticles were searched for all studies published before June 2016...
May 18, 2018: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/29775442/-copeptin-in-children-with-chronic-kidney-disease
#6
Piotr Skrzypczyk, Magdalena Okarska-Napierała, Elżbieta Górska, Anna Stelmaszczyk-Emmel, Małgorzata Pańczyk-Tomaszewska
Studies in adult patients suggest that copeptin (C-terminal fragment of antidiuretin propeptide) is related to kidney and cardiovascular diseases. AIM: The aim was to assess copeptin concentration in children with chronic kidney disease (CKD). MATERIALS AND METHODS: In a group of 38 children with CKD (age: from 4.70 to 18.00 mean 12.23±4.19 years) we evaluated: serum copeptin concentration [ng/mL], age, sex, etiology of CKD, presence of arterial hypertension (AH), medications, glomerular filtration rate (GFR), hemoglobin, calcium-phosphorus metabolism parameters, and lipids...
April 23, 2018: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29775413/human-cerebral-collateral-arteriole-function-in-normal-cognition-mild-cognitive-impairment-and-dementia-subjects
#7
Raymond Q Migrino, Seth Truran, Nina Karamanova, Geidy Serrano, Calvin Madrigal, Hannah A Davies, Jillian Madine, Peter Reaven, Thomas G Beach
Clinical and preclinical studies suggest a link between cardiovascular disease and dementia disorders but the role of collateral brain circulation in cognitive dysfunction remains unknown. We aim to test the hypothesis that leptomeningeal arteriole (LMA) function and response to metabolic stressors differ among dementia, mild cognitive impairment (MCI) and normal cognition (CN) subjects. Following rapid autopsy, LMA were isolated from CN (N=10), MCI (N=12) or dementia subjects (N=42, Alzheimer's disease [AD], vascular dementia [VaD], or Other Dementia) and endothelial and smooth muscle-dependent function were measured at baseline and following exposure to β-amyloid (Aβ42 2 μM), palmitic acid (PA 150 μM) or medin (5μM) and compared...
May 18, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29775406/phrase-mining-of-textual-data-to-analyze-extracellular-matrix-protein-patterns-across-cardiovascular-disease
#8
David Alexandre Liem, Sanjana Murali, Dibakar Sigdel, Yu Shi, Xuan Wang, Jiaming Shen, Howard Choi, J Harry Caufield, Wei Wang, Peipei Ping, Jiawei Han
Extracellular matrix (ECM) proteins have been shown to play important roles regulating multiple biological processes in an array of organ systems, including the cardiovascular system. By using a novel bioinformatics text-mining tool, we studied six categories of cardiovascular disease (CVD), namely ischemic heart disease (IHD), cardiomyopathies (CM), cerebrovascular accident (CVA), congenital heart disease (CHD), arrhythmias (ARR), and valve disease (VD), anticipating novel ECM protein-disease and protein-protein relationships hidden within vast quantities of textual data...
May 18, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29774988/differences-in-primary-cardiovascular-disease-prevention-between-the-2013-and-2016-cholesterol-guidelines-and-impact-of-the-2017-hypertension-guideline-in-the-united-states
#9
Brent M Egan, Jiexiang Li, Robert A Davis, Kevin A Fiscella, Jonathan N Tobin, Daniel W Jones, Angelo Sinopoli
The US Preventive Services Task Force cholesterol guideline recommended statins for fewer adults than the 2013 American College of Cardiology/American Heart Association (ACC/AHA) guideline by setting a higher 10-year atherosclerotic cardiovascular disease threshold (≥10.0% vs ≥7.5%) and requiring concomitant diabetes mellitus, hypertension, dyslipidemia, or cigarette smoking. The 2017 ACC/AHA hypertension guideline lowered the hypertension threshold, increasing 2016 guideline statin-eligible adults. Cross-sectional data on US adults aged 40 to 75 years enabled estimated numbers for the 2013 guideline and 2016 guideline with hypertension thresholds of ≥140/≥90 mm Hg and ≥130/80 mm Hg, respectively, on: (1) untreated, statin-eligible adults for primary atherosclerotic cardiovascular disease prevention (25...
May 18, 2018: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/29774749/excess-costs-of-non-infectious-comorbidities-among-people-living-with-hiv-estimates-from-denmark-and-sweden
#10
Frida Hjalte, Paul S Calara, Anders Blaxhult, Marie Helleberg, Karoline Wallace, Peter Lindgren
People living with HIV have an increased risk of comorbidities with non-communicable diseases such as cardiovascular disease, chronic kidney disease and osteoporotic fractures, compared to the general population. The burden of these comorbidities is expected to rise as the HIV-infected population ages. This development may require additional health care resources and it is relevant to ascertain the costs associated with these comorbidities. The population attributed risk approach was applied to estimate excess costs associated with the higher rates of comorbidities among HIV patients in Denmark and Sweden compared to their respective general populations...
May 18, 2018: AIDS Care
https://www.readbyqxmd.com/read/29774566/influence-of-sex-and-pregnancy-on-survival-in-patients-admitted-with-heart-failure-data-from-a-prospective-multicenter-registry
#11
Manuel Martínez-Sellés, Pablo Díez-Villanueva, Jesús Álvarez-Gracía, Andreu Ferrero-Gregori, Miquel Vives-Borrás, Fernando Worner, Alfredo Bardají, Juan F Delgado, Rafael Vázquez, José R González-Juanatey, Francisco Fernández-Aviles, Juan Cinca
BACKGROUND: Female sex is an independent predictor of better survival in patients with heart failure but the mechanism of this association is unknown. On the other hand, pregnancies have a strong influence in the cardiovascular system. HYPOTHESIS: Sex and previous gestations might have a prognostic impact on one-year mortality in patients admitted with heart failure. METHODS: Observational prospective consecutive multicenter registry of 1831 patients (756 women [41...
May 17, 2018: Clinical Cardiology
https://www.readbyqxmd.com/read/29774463/early-cardiovascular-manifestations-in-children-and-adolescents-with-autosomal-dominant-polycystic-kidney-disease-a-single-center-study
#12
Vasiliki Karava, Cherine Benzouid, Julien Hogan, Claire Dossier, André Pierre Denjean, Georges Deschênes
BACKGROUND: This study aims to describe the cardiovascular manifestations in children with autosomal dominant polycystic kidney disease (ADPKD) and detect their relation with kidney disease and type of gene mutation. METHODS: Twenty-one patients (7 to 19 years old) were included. Cardiovascular evaluation involved blood pressure (BP), indexed left ventricular mass (LVMI), pulse wave velocity (PWV), and carotid intima media thickness (cIMT) measurement. Patients were classified according to percentile reference values of these parameters in healthy children...
May 17, 2018: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29774406/reduced-global-myocardial-perfusion-reserve-in-dcm-and-hcm-patients-assessed-by-cmr-based-velocity-encoded-coronary-sinus-flow-measurements-and-first-pass-perfusion-imaging
#13
Michael Bietenbeck, Anca Florian, Zornitsa Shomanova, Claudia Meier, Ali Yilmaz
BACKGROUND: Coronary microvascular dysfunction (CMD) is an independent predictor of poor prognosis in patients suffering from dilative or hypertrophic cardiomyopathy (DCM/HCM). To assess CMD, quantitative myocardial first-pass perfusion (1P) cardiovascular magnetic resonance (CMR) can be performed. Coronary sinus flow (CSF) measurements at rest and during maximal vasodilatation are an alternative and well-validated approach for the quantification of global myocardial blood flow (MBF) in CMR...
May 17, 2018: Clinical Research in Cardiology: Official Journal of the German Cardiac Society
https://www.readbyqxmd.com/read/29774373/cardiovascular-system-changes-in-rheumatoid-arthritis-patients-with-continued-low-disease-activity
#14
Małgorzata Biskup, Wojciech Biskup, Maria Majdan, Bożena Targońska-Stępniak
Systemic inflammation and disease activity seem to contribute to excessive prevalence of cardiovascular (CV) diseases (CVDs) in patients with rheumatoid arthritis (RA). The objective of the study was to assess chosen CV parameters in RA patients who have continuous low disease activity. The study group consisted of 70 RA patients without known CVD and 33 healthy controls, of a comparable age. All RA patients had continued low disease activity (DAS28 ≤ 3.2) from 2 to 7 years. The groups were assessed for: blood pressure, serum amino-terminal pro-brain natriuretic peptide (NT-proBNP), carotid intima media thickness (cIMT), electrocardiography (ECG), ejection fraction (EJ) and diastolic dysfunction (E/A ratio) in echocardiography...
May 17, 2018: Rheumatology International
https://www.readbyqxmd.com/read/29774187/multimodality-imaging-for-the-quantitative-assessment-of-mitral-regurgitation
#15
REVIEW
Pei G Chew, Katrina Bounford, Sven Plein, Dominik Schlosshan, John P Greenwood
The natural history of mitral regurgitation (MR) results in significant morbidity and mortality. Innovations in non-invasive imaging have provided new insights into the pathophysiology and quantification of MR, in addition to early detection of left ventricular (LV) dysfunction and prognostic assessment in asymptomatic patients. Transthoracic (TTE) and transesophageal (TOE) echocardiography are the mainstay for diagnosis, assessment and serial surveillance. However, the advance from 2D to 3D imaging leads to improved assessment and characterization of mitral valve (MV) disease...
April 2018: Quantitative Imaging in Medicine and Surgery
https://www.readbyqxmd.com/read/29774121/mir-33-promotes-myocardial-fibrosis-by-inhibiting-mmp16-and-stimulating-p38-mapk-signaling
#16
Zhen Chen, Hua-Sheng Ding, Xin Guo, Jing-Jing Shen, Di Fan, Yan Huang, Cong-Xin Huang
Myocardial fibrosis occurs in the late stages of many cardiovascular diseases, and appears to be stimulated by various microRNAs (miRNAs). We previously found that miR-33 may stimulate cardiac remodeling. Here, we examined the involvement of miR-33 in myocardial fibrosis. Proximal left coronary descending artery occlusion was performed in rat, and antagomiR-33a was injected. Primary cardiac fibroblasts were cultured and transfected with miR-33a mimics and inhibitors. miR-33a levels were increased in the rat after surgery, and collagen deposition and heart fibrosis were observed in vivo ...
April 24, 2018: Oncotarget
https://www.readbyqxmd.com/read/29774054/beta-adrenoceptor-blockade-ameliorates-impaired-glucose-tolerance-and-alterations-of-the-cerebral-ceramide-metabolism-in-an-experimental-model-of-ischemic-stroke
#17
Sebastian Luger, Annette Schwebler, Rajkumar Vutukuri, Nerea Ferreiros Bouzas, Sandra Labocha, Yannick Schreiber, Robert Brunkhorst, Helmuth Steinmetz, Josef Pfeilschifter, Waltraud Pfeilschifter
Background: Sphingolipids are versatile signaling molecules derived from membrane lipids of eukaryotic cells. Ceramides regulate cellular processes such as proliferation, differentiation and apoptosis and are involved in cellular stress responses. Experimental evidence suggests a pivotal role of sphingolipids in the pathogenesis of cardiovascular diseases, including ischemic stroke. A neuroprotective effect has been shown for beta-adrenergic antagonists in rodent stroke models and supported by observational clinical data...
2018: Therapeutic Advances in Neurological Disorders
https://www.readbyqxmd.com/read/29773993/diabetic-cardiomyopathy-impact-of-biological-sex-on-disease-development-and-molecular-signatures
#18
REVIEW
Ryan Toedebusch, Anthony Belenchia, Lakshmi Pulakat
Diabetic cardiomyopathy refers to a unique set of heart-specific pathological variables induced by hyperglycemia and insulin resistance. Given that cardiovascular disease (CVD) is the leading cause of death in the world, and type 2 diabetes incidence continues to rise, understanding the complex interplay between these two morbidities and developing novel therapeutic strategies is vital. Two hallmark characteristics specific to diabetic cardiomyopathy are diastolic dysfunction and cardiac structural mal-adaptations, arising from cardiac cellular responses to the complex toxicity induced by hyperglycemia with or without hyperinsulinemia...
2018: Frontiers in Physiology
https://www.readbyqxmd.com/read/29773885/metabolic-perturbations-of-post-load-hyperglycemia-vs-fasting-hyperglycemia
#19
Jing-Yi Lu, Jia-Hui Peng, Xiao-Jing Ma, Yi-Nan Zhang, Wei Zhu, Xing-Xing He, Ling-Wen Ying, Yu-Qian Bao, Jian Zhou, Wei-Ping Jia
There is evidence that post-load/post-meal hyperglycemia is a stronger risk factor for cardiovascular disease than fasting hyperglycemia. The underlying mechanism remains to be elucidated. The current study aimed to compare the metabolic profiles of post-load hyperglycemia and fasting hyperglycemia. All subjects received an oral glucose tolerance test (OGTT) and were stratified into fasting hyperglycemia (FH) or post-load hyperglycemia (PH). Forty-six (FH, n = 23; PH, n = 23) and 40 patients (FH, n = 20; PH, n = 20) were recruited as the exploratory and the validation set, respectively, and underwent metabolic profiling...
May 17, 2018: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/29773847/association-between-urinary-sodium-excretion-and-uric-acid-and-its-interaction-on-the-risk-of-prehypertension-among-chinese-young-adults
#20
Yang Wang, Jia-Wen Hu, Peng-Fei Qu, Ke-Ke Wang, Yu Yan, Chao Chu, Wen-Ling Zheng, Xian-Jing Xu, Yong-Bo Lv, Qiong Ma, Ke Gao, Yue Yuan, Hao Li, Zu-Yi Yuan, Jian-Jun Mu
High uric acid (UA) level and high salt intake are reportedly associated with cardiovascular disease. This study investigated the association between UA and urinary sodium excretion, as well as its interaction on the risk of prehypertension. A total of 1869 participants without hypertension were recruited from a previously established cohort in Shaanxi Province, China. The participants were classified as normotensive or prehypertensive on the basis of their blood pressure. Increasing quartiles of sodium excretion were associated with high urinary UA/creatinine levels in prehypertensive participants...
May 17, 2018: Scientific Reports
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