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https://www.readbyqxmd.com/read/27908689/pcsk9-genetic-variants-and-risk-of-type-2-diabetes-a-mendelian-randomisation-study
#1
Amand F Schmidt, Daniel I Swerdlow, Michael V Holmes, Riyaz S Patel, Zammy Fairhurst-Hunter, Donald M Lyall, Fernando Pires Hartwig, Bernardo Lessa Horta, Elina Hyppönen, Christine Power, Max Moldovan, Erik van Iperen, G Kees Hovingh, Ilja Demuth, Kristina Norman, Elisabeth Steinhagen-Thiessen, Juri Demuth, Lars Bertram, Tian Liu, Stefan Coassin, Johann Willeit, Stefan Kiechl, Karin Willeit, Dan Mason, John Wright, Richard Morris, Goya Wanamethee, Peter Whincup, Yoav Ben-Shlomo, Stela McLachlan, Jackie F Price, Mika Kivimaki, Catherine Welch, Adelaida Sanchez-Galvez, Pedro Marques-Vidal, Andrew Nicolaides, Andrie G Panayiotou, N Charlotte Onland-Moret, Yvonne T van der Schouw, Giuseppe Matullo, Giovanni Fiorito, Simonetta Guarrera, Carlotta Sacerdote, Nicholas J Wareham, Claudia Langenberg, Robert Scott, Jian'an Luan, Martin Bobak, Sofia Malyutina, Andrzej Pająk, Ruzena Kubinova, Abdonas Tamosiunas, Hynek Pikhart, Lise Lotte Nystrup Husemoen, Niels Grarup, Oluf Pedersen, Torben Hansen, Allan Linneberg, Kenneth Starup Simonsen, Jackie Cooper, Steve E Humphries, Murray Brilliant, Terrie Kitchner, Hakon Hakonarson, David S Carrell, Catherine A McCarty, H Lester Kirchner, Eric B Larson, David R Crosslin, Mariza de Andrade, Dan M Roden, Joshua C Denny, Cara Carty, Stephen Hancock, John Attia, Elizabeth Holliday, Martin O' Donnell, Salim Yusuf, Michael Chong, Guillaume Pare, Pim van der Harst, M Abdullah Said, Ruben N Eppinga, Niek Verweij, Harold Snieder, Tim Christen, Dennis O Mook-Kanamori, Stefan Gustafsson, Lars Lind, Erik Ingelsson, Raha Pazoki, Oscar Franco, Albert Hofman, Andre Uitterlinden, Abbas Dehghan, Alexander Teumer, Sebastian Baumeister, Marcus Dörr, Markus M Lerch, Uwe Völker, Henry Völzke, Joey Ward, Jill P Pell, Daniel J Smith, Tom Meade, Anke H Maitland-van der Zee, Ekaterina V Baranova, Robin Young, Ian Ford, Archie Campbell, Sandosh Padmanabhan, Michiel L Bots, Diederick E Grobbee, Philippe Froguel, Dorothée Thuillier, Beverley Balkau, Amélie Bonnefond, Bertrand Cariou, Melissa Smart, Yanchun Bao, Meena Kumari, Anubha Mahajan, Paul M Ridker, Daniel I Chasman, Alex P Reiner, Leslie A Lange, Marylyn D Ritchie, Folkert W Asselbergs, Juan-Pablo Casas, Brendan J Keating, David Preiss, Aroon D Hingorani, Naveed Sattar
BACKGROUND: Statin treatment and variants in the gene encoding HMG-CoA reductase are associated with reductions in both the concentration of LDL cholesterol and the risk of coronary heart disease, but also with modest hyperglycaemia, increased bodyweight, and modestly increased risk of type 2 diabetes, which in no way offsets their substantial benefits. We sought to investigate the associations of LDL cholesterol-lowering PCSK9 variants with type 2 diabetes and related biomarkers to gauge the likely effects of PCSK9 inhibitors on diabetes risk...
November 28, 2016: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/27888396/effects-of-administered-ethanol-and-methamphetamine-on-glial-glutamate-transporters-in-rat-striatum-and-hippocampus
#2
Fahad S Alshehri, Yusuf S Althobaiti, Youssef Sari
Exposure to ethanol (EtOH) or methamphetamine (MA) can lead to increase in extracellular glutamate concentration in the brain. Although studies from ours showed the effects of EtOH exposure on key glial glutamate transporters, little is known about the effects of sequential exposure to EtOH and MA or MA alone on certain glial glutamate transporters. In this study, we investigated the effects of sequential exposure to EtOH and MA on the expression of the major glutamate transporters, glutamate transporter 1 (GLT-1), as well as cystine/glutamate antiporter (xCT) and glutamate aspartate transporter (GLAST) in striatum and hippocampus...
November 25, 2016: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/27860550/contrast-enhanced-us-guided-interventions-improving-success-rate-and-avoiding-complications-using-us-contrast-agents
#3
Dean Y Huang, Gibran T Yusuf, Mohammad Daneshi, Mohammad Ali Husainy, Raymond Ramnarine, Maria E K Sellars, Paul S Sidhu
Ultrasonography (US) is an established modality for intervention. The introduction of microbubble US contrast agents (UCAs) has the potential to further improve US imaging for intervention. According to licensing, UCAs are currently approved for clinical use in restricted situations, but many additional indications have become accepted as having clinical value. The use of UCAs has been shown to be safe, and there is no risk of renal toxic effects, unlike with iodinated or gadolinium contrast medium. Broadly speaking, UCAs can be injected into the bloodstream (intravascular use) or instilled into almost any accessible body cavity (endocavitary use), either in isolation or synchronously...
November 18, 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27852497/preventing-instrumentation-failure-in-three-column-spinal-osteotomy-biomechanical-analysis-of-rod-configuration
#4
Zachary S Jager, Serkan İnceoğlu, Daniel Palmer, Yusuf T Akpolat, Wayne K Cheng
STUDY DESIGN: Biomechanical analysis. OBJECTIVES: To show the role of additional rods and long-term fatigue strength to prevent the instrumentation failure on three-column osteotomies. SUMMARY OF BACKGROUND DATA: Three-column osteotomy such as pedicle subtraction osteotomy (PSO) and vertebral column resections are surgical correction options for fixed spinal deformity. Posterior fixation for the PSO involves pedicle screw-and rod-based instrumentation, with the rods being contoured to accommodate the accentuated lordosis...
January 2016: Spine Deformity
https://www.readbyqxmd.com/read/27845303/new-insights-into-estrogenic-regulation-of-o-6-methylguanine-dna-methyltransferase-mgmt-in-human-breast-cancer-cells-co-degradation-of-er-%C3%AE-and-mgmt-proteins-by-fulvestrant-or-o-6-benzylguanine-indicates-fresh-avenues-for-therapy
#5
Ameya Paranjpe, Nathan I Bailey, Santhi Konduri, George C Bobustuc, Francis Ali-Osman, Mohd A Yusuf, Surendra R Punganuru, Hanumantha Rao Madala, Debasish Basak, Agm Mostofa, Kalkunte S Srivenugopal
Endocrine therapy using estrogen receptor-α (ER-α) antagonists for attenuating horm2one-driven cell proliferation is a major treatment modality for breast cancers. To exploit any DNA repair deficiencies associated with endocrine therapy, we investigated the functional and physical interactions of ER-α with O(6)-methylguanine DNA methyltransferase (MGMT), a unique DNA repair protein that confers tumor resistance to various anticancer alkylating agents. The ER-α -positive breast cancer cell lines (MCF-7, T47D) and ER- negative cell lines (MDAMB-468, MDAMB-231), and established inhibitors of ER-α and MGMT, namely, ICI-182,780 (Faslodex) and O(6)-benzylguanine, respectively, were used to study MGMT- ER interactions...
September 2016: Journal of Biomedical Research
https://www.readbyqxmd.com/read/27814753/facility-level-ckd-mbd-composite-score-and-risk-of-adverse-clinical-outcomes-among-patients-on-hemodialysis
#6
Geoffrey A Block, Akeem A Yusuf, Mark D Danese, Heidi S Wirtz, Yan Hu, Thy P Do, Kerry Cooper, David T Gilbertson, Brian D Bradbury, Allan J Collins
BACKGROUND: Patients receiving hemodialysis with values outside of target levels for parathyroid hormone (PTH: 150-600 pg/mL), calcium (Ca: 8.4-10.2 mg/dL), and phosphate (P: 3.5-5.5 mg/dL) are at elevated morbidity and mortality risk. We examined whether patients receiving care in dialysis facilities where greater proportions of patients have at least two values out of target have a higher risk of adverse clinical outcomes. METHODS: The study cohort consisted of 39,085 prevalent hemodialysis patients in 1298 DaVita dialysis facilities as of September 1, 2009, followed from January 1, 2010, until an outcome, a censoring event, or December 31, 2010...
November 4, 2016: BMC Nephrology
https://www.readbyqxmd.com/read/27812843/porphyromonas-gingivalis-lipopolysaccharide-induces-a-pro-inflammatory-human-gingival-fibroblast-phenotype
#7
S Buket Bozkurt, Sema S Hakki, Erdogan E Hakki, Yusuf Durak, Alpdogan Kantarci
Human gingival fibroblasts (HGFs) are the major constituents of the gingival tissues responsible for the synthesis and degradation of the connective tissue while actively participating in immune reactions and inflammation. The aim of this study was to test the impact of lipopolysaccharide (LPS) from Porphyromonas gingivalis (P. gingivalis) on human gingival fibroblasts. Human gingival fibroblasts were treated with different P. gingivalis LPS concentrations. Cell survival rate was evaluated with 3-[4,5-dimethylthiazol-2-yl]-2,5-diphenyl tetrazolium bromide (MTT) after 24 h...
November 3, 2016: Inflammation
https://www.readbyqxmd.com/read/27787255/nuclear-incorporation-of-iron-during-the-eukaryotic-cell-cycle
#8
Ian Robinson, Yang Yang, Fucai Zhang, Christophe Lynch, Mohammed Yusuf, Peter Cloetens
Scanning X-ray fluorescence microscopy has been used to probe the distribution of S, P and Fe within cell nuclei. Nuclei, which may have originated at different phases of the cell cycle, are found to show very different levels of Fe present with a strongly inhomogeneous distribution. P and S signals, presumably from DNA and associated nucleosomes, are high and relatively uniform across all the nuclei; these agree with X-ray phase contrast projection microscopy images of the same samples. Possible reasons for the Fe incorporation are discussed...
November 1, 2016: Journal of Synchrotron Radiation
https://www.readbyqxmd.com/read/27777044/renin-angiotensin-aldosterone-system-inhibitors-in-hypertension-is-there-evidence-for-benefit-independent-of-blood-pressure-reduction
#9
Chirag Bavishi, Sripal Bangalore, Franz H Messerli
The renin-angiotensin-aldosterone system (RAAS) plays a pivotal role in the pathogenesis of hypertension (HTN). Angiotensin-converting enzyme inhibitors (ACEIs) and angiotensin II receptor blockers (ARBs) are first line anti-HTN drug classes that are potent, effective and largely safe. Direct renin inhibitors (DRIs) have shown similar blood pressure (BP) reduction but more side effects. The efficacy of ACEIs and ARBs (for cardiovascular, cerebrovascular and renal protection) has been promoted to extend beyond what could be explained by BP reduction alone...
October 21, 2016: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/27775656/rp-hplc-ms-ms-analysis-of-the-phenolic-compounds-antioxidant-and-antimicrobial-activities-of-salvia-l-species
#10
Hatice Tohma, Ekrem Köksal, Ömer Kılıç, Yusuf Alan, Mustafa Abdullah Yılmaz, İlhami Gülçin, Ercan Bursal, Saleh H Alwasel
The identification and quantification of the phenolic contents of methanolic extracts of three Salvia L. species namely S. brachyantha (Bordz.) Pobed, S. aethiopis L., and S. microstegia Boiss. and Bal. were evaluated using reverse phase high performance liquid chromatography, UV adsorption, and mass spectrometry (RP-HPLC/MS). In order to determine the antioxidant capacity of these species, cupric ions (Cu(2+)) reducing assay (CUPRAC) and ferric ions (Fe(3+)) reducing assay (FRAP) were performed to screen the reducing capacity and 1,1-diphenyl-2-picrylhydrazyl (DPPH) assay was employed for evaluation of the radical scavenging activity for both solvents...
October 21, 2016: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/27771985/five-year-outcomes-after-off-pump-or-on-pump-coronary-artery-bypass-grafting
#11
André Lamy, P J Devereaux, Dorairaj Prabhakaran, David P Taggart, Shengshou Hu, Zbynek Straka, Leopoldo S Piegas, Alvaro Avezum, Ahmet R Akar, Fernando Lanas Zanetti, Anil R Jain, Nicolas Noiseux, Chandrasekar Padmanabhan, Juan-Carlos Bahamondes, Richard J Novick, Liang Tao, Pablo A Olavegogeascoechea, Balram Airan, Toomas-Andres Sulling, Richard P Whitlock, Yongning Ou, Peggy Gao, Shirley Pettit, Salim Yusuf
Background We previously reported that there was no significant difference at 30 days or at 1 year in the rate of the composite outcome of death, stroke, myocardial infarction, or renal failure between patients who underwent coronary-artery bypass grafting (CABG) performed with a beating-heart technique (off-pump) and those who underwent CABG performed with cardiopulmonary bypass (on-pump). We now report the results at 5 years (the end of the trial). Methods A total of 4752 patients (from 19 countries) who had coronary artery disease were randomly assigned to undergo off-pump or on-pump CABG...
October 23, 2016: New England Journal of Medicine
https://www.readbyqxmd.com/read/27767228/predictors-of-left-ventricular-systolic-function-recovery-in-the-setting-of-sinus-tachycardia-in-patients-with-cancer
#12
Saamir A Hassan, Syed Wamique Yusuf, Jyoti Sharma, Jasmine Khan, Michele Guindani, Vicente Valero, Mariana Chavez-McGregor, Jose Banchs
OBJECTIVES: To identify unique echocardiographic features that could be used to reliably predict LVEF recovery upon resolution of sinus tachycardia in patients with cancer. BACKGROUND: Sinus tachycardia may be a manifestation of underlying cardiomyopathy or can lead to a reversible form of dilated cardiomyopathy known as tachycardia-mediated cardiomyopathy. While distinguishing the two can be challenging, predicting recovery regardless of cause can be of significant clinical importance in the cancer population...
October 21, 2016: Echocardiography
https://www.readbyqxmd.com/read/27754197/js-ish-eccr-2-ang-1-7-and-et-1-a-new-partnership
#13
Katie Yates Hood, Hiba Yusuf, Jane E Findlay, Robson A Santos, Carlos H Castro, George S Baillie, Augusto C Montezano, Margaret R MacLean, Rhian M Touyz
ACE2 and Ang-1-7 have been shown to protect against pulmonary hypertension (PH). Mechanisms for this remain unclear. Considering the important role of ET-1 in the pathophysiology of PH and endothelial dysfunction, we questioned whether Ang-(1-7) influences ET-1 signaling in endothelial cells and whether Ang-(1-7) treatment influences the ET-1 system in PH. Human microvascular endothelial cells (HMEC) were stimulated with ET-1 in the absence/presence of Ang 1-7 and showed that Ang 1-7 increased preproET-1 mRNA levels, ET-1 release, and ETBR protein levels...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27754060/os-15-08-ang-1-7-influences-et-1-signaling-through-mas-etbr-interactions-implications-in-pulmonary-hypertension
#14
Katie Y Hood, Hiba Yusuf, Jane E Findlay, Robson A Santos, Carlos H Castro, George S Baillie, Margaret R MacLean, Augusto Montezano, Rhian M Touyz
OBJECTIVE: Ang(1-7) has been shown to protect against pulmonary hypertension (PH). Mechanisms remain unclear. Considering the importance of ET-1 in PH pathophysiology and endothelial dysfunction, we questioned whether Ang(1-7) influences ET-1 signaling in endothelial cells and whether Ang(1-7) treatment influences the ET-1 system in PH. DESIGN AND METHOD: Human endothelial cells (hEC) were stimulated with ET-1 in absence/presence of Ang(1-7). Mas and ETBR interaction was observed by immunoprecipitation...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27735791/early-term-delivery-and-adverse-neonatal-outcomes-at-a-tertiary-center-in-turkey
#15
Dilek Ulubaş-Işık, Sara Erol, Nihal Demirel, Yusuf Kale, İstemi Han Çelik, Ömer Lütfi Tapısız, Bülent Yırcı, Ahmet Yağmur Baş
Early-term infants incur higher risks for neonatal morbidities compared to full-term infants. In this study, we investigated the neonatal morbidities in early-term infants admitted to a neonatal intensive care unit (NICU). Early-term (37 0/7 and 38 6/7 weeks of gestation) and full-term (39 0/7 and 41 6/7 weeks of gestation) infants born between January 2013 and December 2014 were enrolled in this study. Early-term deliveries accounted for 8,026 (25.7%) of all live births (n = 31,170). The admission rate of early-term infants to the NICU was 7...
November 2015: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/27716616/ran-gtpase-promotes-cancer-progression-via-met-receptormediated-downstream-signaling
#16
Hiu-Fung Yuen, Ka-Kui Chan, Angela Platt-Higgins, El-Habib Dakir, Kyle B Matchett, Yusuf Ahmed Haggag, Puthen V Jithesh, Tanwir Habib, Ahmed Faheem, Fennell A Dean, Richard Morgan, Philip S Rudland, Mohamed El-Tanani
It has been shown previously that cancer cells with an activated oncogenic pathway, including Met activation, require Ran for growth and survival.Here, we show that knockdown of Ran leads to a reduction of Met receptor expression in several breast and lung cancer cell lines. This, in turn suppressed HGF expression and the Met-mediated activation of the Akt pathway, as well as cell adhesion, migration, and invasion. In a cell line model where Met amplification has previously been shown to contribute to gefitinib resistance, Ran knockdown sensitized cells to gefitinib-mediated inhibition of Akt and ERK1/2 phosphorylation and consequently reduced cell proliferation...
October 3, 2016: Oncotarget
https://www.readbyqxmd.com/read/27713684/effects-of-ceftriaxone-on-glial-glutamate-transporters-in-wistar-rats-administered-sequential-ethanol-and-methamphetamine
#17
Yusuf S Althobaiti, Fahad S Alshehri, Atiah H Almalki, Youssef Sari
Methamphetamine (METH) is one of the psychostimulants that is co-abused with ethanol. Repeated exposure to high dose of METH has been shown to cause increases in extracellular glutamate concentration. We have recently reported that ethanol exposure can also increase the extracellular glutamate concentration and downregulate the expression of glutamate transporter subtype 1 (GLT-1). GLT-1 is a glial transporter that regulates the majority of extracellular glutamate. A Wistar rat model of METH and ethanol co-abuse was used to examine the expression of GLT-1 as well as other glutamate transporters such as cystine/glutamate exchanger (xCT) and glutamate aspartate transporter (GLAST)...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27713148/a-novel-mechanism-of-action-of-her2-targeted-immunotherapy-is-explained-by-inhibition-of-nrf2-function-in-ovarian-cancer-cells
#18
Hilal S Khalil, Simon P Langdon, Alexey Goltsov, Tero Soininen, David J Harrison, James Bown, Yusuf Y Deeni
Nuclear erythroid related factor-2 (NRF2) is known to promote cancer therapeutic detoxification and crosstalk with growth promoting pathways. HER2 receptor tyrosine kinase is frequently overexpressed in cancers leading to uncontrolled receptor activation and signaling. A combination of HER2 targeting monoclonal antibodies shows greater anticancer efficacy than the single targeting antibodies, however, its mechanism of action is largely unclear. Here we report novel actions of anti-HER2 drugs, Trastuzumab and Pertuzumab, involving NRF2...
October 4, 2016: Oncotarget
https://www.readbyqxmd.com/read/27704297/a-large-survey-among-european-trainees-in-clinical-microbiology-and-infectious-disease-on-training-systems-and-training-adequacy-identifying-the-gaps-and-suggesting-improvements
#19
E Yusuf, D S Y Ong, A Martin-Quiros, C Skevaki, J Cortez, K Dedić, A E Maraolo, D Dušek, P J Maver, M Sanguinetti, E Tacconelli
The purpose of this investigation was to perform a survey among European clinical microbiology (CM) and infectious disease (ID) trainees on training satisfaction, training tools, and competency assessment. An online, anonymous survey in the English language was carried out between April and July 2015. There were 25 questions: seven in a 5-point Likert scale (1: worst scenario, 5: best scenario) and the remainder as closed multiple-choice questions in five areas (satisfaction, adequacy, system, mentorship, and evaluation of training)...
October 4, 2016: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/27702773/clinical-outcomes-in-3343-children-and-adults-with-rheumatic-heart-disease-from-14-low-and-middle-income-countries-2-year-follow-up-of-the-global-rheumatic-heart-disease-registry-the-remedy-study
#20
Liesl Zühlke, Ganesan Karthikeyan, Mark E Engel, Sumathy Rangarajan, Pam Mackie, Blanche Cupido, Katya Mauff, Shofiqul Islam, Rezeen Daniels, Veronica Francis, Stephen Ogendo, Bernard Gitura, Charles Mondo, Emmy Okello, Peter Lwabi, Mohammed M Al-Kebsi, Christopher Hugo-Hamman, Sahar S Sheta, Abraham Haileamlak, Wandimu Daniel, Dejuma Yadeta Goshu, Senbeta G Abdissa, Araya G Desta, Bekele A Shasho, Dufera M Begna, Ahmed ElSayed, Ahmed S Ibrahim, John Musuku, Fidelia Bode-Thomas, Christopher C Yilgwan, Ganiyu A Amusa, Olukemi Ige, Basil Okeahialam, Christopher Sutton, Rajeev Misra, Azza Abul Fadl, Neil Kennedy, Albertino Damasceno, Mahmoud U Sani, Okechukwu S Ogah, Taiwo Olunuga, Huda ElHassan, Ana Olga Mocumbi, Abiodun M Adeoye, Pindile S Mntla, Dike B Ojji, Joseph Mucumbitsi, Koon Teo, Salim Yusuf, Bongani M Mayosi
BACKGROUND: -There are few contemporary data on the mortality and morbidity associated with rheumatic heart disease (RHD) or information on their predictors. We report the two year follow-up of individuals with RHD from 14 low and middle income countries in Africa and Asia. METHODS: -Between January 2010 and November 2012, we enrolled 3343 patients from 25 centers in 14 countries and followed them for two years to assess mortality, congestive heart failure (CHF), stroke or transient ischemic attack (TIA), recurrent acute rheumatic fever (ARF), and infective endocarditis (IE)...
October 4, 2016: Circulation
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