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Javaid, A

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https://www.readbyqxmd.com/read/28931696/description-of-an-urgent-start-peritoneal-dialysis-program-in-singapore
#1
Muhammad M Javaid, Evan Lee, Behram A Khan, Srinivas Subramanian
No abstract text is available yet for this article.
September 2017: Peritoneal Dialysis International: Journal of the International Society for Peritoneal Dialysis
https://www.readbyqxmd.com/read/28918832/streptococcus-anginosus-group-bacterial-infections
#2
Tasaduq Fazili, Scott Riddell, Deanna Kiska, Tim Endy, Luca Giurgea, Calden Sharngoe, Waleed Javaid
BACKGROUND: The Streptococcus anginosus group (SAG) causes a variety of infections in adults. To better understand the burden of SAG infections and their associated morbidity and mortality, we conducted a retrospective analysis of these infections in adults at a tertiary care center. METHODS: A retrospective review of all cultures positive for SAG in adults and a corresponding review of the patients' medical records were conducted at a tertiary care facility in central New York...
September 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28878944/development-and-validation-of-a-clinical-risk-score-to-predict-mortality-after-percutaneous-coronary-intervention
#3
Joshua J S Wall, Javaid Iqbal, Michael Andrews, Dawn Teare, Mina Ghobrial, Thomas Hinton, Samuel Turton, Leila Quffa, Magdi El-Omar, Douglas G Fraser, Anjan Siotia, Julian Gunn
OBJECTIVE: To develop and validate a contemporary clinical risk score to predict mortality after percutaneous coronary intervention (PCI). METHODS: Using data collected from patients undergoing PCI at the South Yorkshire Cardiothoracic Centre, Sheffield, UK, between January 2007 and September 2013, a risk score was developed to predict mortality. Logistic regression was used to evaluate the effect of each variable upon 30-day mortality. A backwards stepwise logistic regression model was then used to build a predictive model...
2017: Open Heart
https://www.readbyqxmd.com/read/28873034/the-absence-of-hcv-rna-and-ns5a-protein-in-peripheral-blood-mononuclear-cells-is-a-prognostic-tool-for-sustained-virological-response
#4
Azhar Mehmood, Muhammad Javaid Asad, Muhammad Ovais, Nasib Zaman, Hafsa Aziz, Javaid Irfan, Irshad Ahmad, Abida Raza
Hepatitis C Virus (HCV) infection is a major health concern worldwide. The presence of both HCV viral RNA and NS5A proteins in peripheral blood mononuclear cells (PBMCs) indicate the efficacy of the treatment during sustained virological response (SVR) and end of treatment response (ETR). The main objective of this study was to detect the absence or presence of HCV RNA and NS5A proteins in PBMCs. Blood samples were taken from selected patients (Islamabad, Pakistan) before treatment, at ETR, and during SVR. Two hundred HCV responders to pegylated IFN-α-2a plus ribavirin were selected...
September 5, 2017: Viral Immunology
https://www.readbyqxmd.com/read/28865897/bare-metal-versus-drug-eluting-stents-for-st-segment-elevation-myocardial-infarction-in-the-total-trial
#5
Shahar Lavi, Javaid Iqbal, John A Cairns, Warren J Cantor, Asim N Cheema, Raul Moreno, Brandi Meeks, Robert C Welsh, Sasko Kedev, Saqib Chowdhary, Goran Stankovic, J D Schwalm, Yan Liu, Sanjit S Jolly, Vladimír Džavík
BACKGROUND: The safety and efficacy of drug eluting stents (DES) in the setting of ST elevation myocardial infarction (STEMI) is not well established. METHODS: In the TOTAL trial, patients presenting with STEMI were randomized to routine thrombectomy versus PCI alone. In this post-hoc analysis, propensity matching was used to assess relative safety and efficacy according to type of stent used. RESULTS: Each propensity-matched cohort included 2313 patients...
June 29, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28865411/frequency-of-hla-dq%C3%AE-1-0201-and-dq%C3%AE-1-0301-alleles-and-total-serum-ige-in-patients-with-bronchial-asthma-a-pilot-study-from-pakistan
#6
Bushra Mubarak, Nadeem Afzal, Khursheed Javaid, Rakhshanda Talib, Rabia Aslam, Waqas Latif, Saba Khaliq
In Pakistan about 3.7% of the population is suffering from asthma, a chronic inflammatory disorder of airways. Asthma has wide spectrum of predisposing factors including environment and genetics. Many studies have been performed to determine association of asthma with serum IgE and major histocompatibility complex (MHC) alleles but conflicting results were reported. Therefore, present study was designed to determine frequency of HLA-DQβ1*0201 and DQβ1*0301 alleles in patients with bronchial asthma. This case control study included 85 asthmatic patients and 85 healthy controls...
August 2017: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/28851913/a-study-of-size-dependent-properties-of-mos2-monolayer-nanoflakes-using-density-functional-theory
#7
M Javaid, Daniel W Drumm, Salvy P Russo, Andrew D Greentree
Novel physical phenomena emerge in ultra-small sized nanomaterials. We study the limiting small-size-dependent properties of MoS2 monolayer rhombic nanoflakes using density-functional theory on structures of size up to Mo35S70 (1.74 nm). We investigate the structural and electronic properties as functions of the lateral size of the nanoflakes, finding zigzag is the most stable edge configuration, and that increasing size is accompanied by greater stability. We also investigate passivation of the structures to explore realistic settings, finding increased HOMO-LUMO gaps and energetic stability...
August 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28844035/state-of-the-art-optimal-medical-therapy-competing-with-or-complementary-to-revascularisation-in-patients-with-coronary-artery-disease
#8
Javaid Iqbal, Robert Widmer, Bernard J Gersh
The role of coronary revascularisation with PCI and CABG in patients with stable and unstable coronary artery disease (CAD) is well established and there is a general consensus among guidelines as regards the indications for coronary revascularisation. Although revascularisation has undoubtedly revolutionised the treatment of CAD, it is vital to understand the recent advances and importance of the concomitant use of evidence-based optimal medical therapy (OMT). In contemporary practice, OMT should include an antiplatelet agent (or dual antiplatelet therapy when indicated) and a lipid-lowering drug for all patients, and a beta-blocker and an ACE inhibitor (or angiotensin receptor blocker) for the vast majority of patients, along with addressing cardiac risk factors and lifestyle management...
August 25, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28825790/one-step-growth-of-iron-nickel-bimetallic-nanoparticles-on-feni-alloy-foils-highly-efficient-advanced-electrodes-for-the-oxygen-evolution-reaction
#9
Umair Yaqub Qazi, Cheng-Zong Yuan, Naseeb Ullah, Yi-Fan Jiang, Muhammad Imran, Akif Zeb, Sheng-Jie Zhao, Rahat Javaid, An-Wu Xu
Electrochemical water splitting is an important process to produce hydrogen and oxygen for energy storage and conversion devices. However, it is often restricted by the oxygen evolution reaction (OER) due to its sluggish kinetics. To overcome the problem, precious metal oxide-based electrocatalysts, such as RuO2 and IrO2, are widely used. The lack of availability and the high cost of precious metals compel researchers to find other resources for the development of cost-effective, environmentally friendly, earth-abundant, nonprecious electrocatalysts for OER...
August 30, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28805446/epigallocatechin-gallate-as-an-anti-obesity-therapeutic-compound-an-in-silico-approach-for-structure-based-drug-designing
#10
Muhammad Shahid Javaid, Noreen Latief, Bushra Ijaz, Usman Ali Ashfaq
Epigallocatechin gallate is a polyphenol of tea plants. Other than tea its trace amounts are found in apple skin, onions and plums. It has anti-adipogenic and anti-oxidant potential. It was investigated that epigallocatechin gallate stopped the adipogenic differentiation of mice mesenchymal stem cells but its underlying mechanism is not well understood. Different proteins and transcription factors responsible for differentiation of adipocytes could be its targets. This study was designed to determine the potential target of epigallocatechin gallate in human...
August 14, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28803776/mechanism-of-enzyme-repair-by-the-aaa-chaperone-rubisco-activase
#11
Javaid Y Bhat, Goran Miličić, Gabriel Thieulin-Pardo, Andreas Bracher, Andrew Maxwell, Susanne Ciniawsky, Oliver Mueller-Cajar, John R Engen, F Ulrich Hartl, Petra Wendler, Manajit Hayer-Hartl
How AAA+ chaperones conformationally remodel specific target proteins in an ATP-dependent manner is not well understood. Here, we investigated the mechanism of the AAA+ protein Rubisco activase (Rca) in metabolic repair of the photosynthetic enzyme Rubisco, a complex of eight large (RbcL) and eight small (RbcS) subunits containing eight catalytic sites. Rubisco is prone to inhibition by tight-binding sugar phosphates, whose removal is catalyzed by Rca. We engineered a stable Rca hexamer ring and analyzed its functional interaction with Rubisco...
September 7, 2017: Molecular Cell
https://www.readbyqxmd.com/read/28782602/hiding-electronic-patient-record-epr-in-medical-images-a-high-capacity-and-computationally-efficient-technique-for-e-healthcare-applications
#12
Nazir A Loan, Shabir A Parah, Javaid A Sheikh, Jahangir A Akhoon, Ghulam M Bhat
A high capacity and semi-reversible data hiding scheme based on Pixel Repetition Method (PRM) and hybrid edge detection for scalable medical images has been proposed in this paper. PRM has been used to scale up the small sized image (seed image) and hybrid edge detection ensures that no important edge information is missed. The scaled up version of seed image has been divided into 2×2 non overlapping blocks. In each block there is one seed pixel whose status decides the number of bits to be embedded in the remaining three pixels of that block...
August 3, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28766148/biology-and-management-of-avena-fatua-and-avena-ludoviciana-two-noxious-weed-species-of-agro-ecosystems
#13
Ali Ahsan Bajwa, Muhammad Javaid Akhter, Nadeem Iqbal, Arslan Masood Peerzada, Zarka Hanif, Sudheesh Manalil, Saima Hashim, Hafiz Haider Ali, Lynda Kebaso, David Frimpong, Halima Namubiru, Bhagirath Singh Chauhan
Avena fatua and Avena ludoviciana are closely related grass weed species infesting a large number of crops around the world. These species are widely distributed in diverse agro-ecosystems from temperate to sub-tropical regions due to their unique seed traits, successful germination ecology, high competitive ability, and allelopathic potential. A. fatua is more widespread, adaptable, and problematic than A. ludoviciana. Both these species infest major winter and spring crops, including wheat, oat, barley, canola, maize, alfalfa, and sunflower, causing up to 70% yield losses depending on crop species and weed density...
August 2, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28763014/two-hop-adaptive-vector-based-quality-forwarding-for-void-hole-avoidance-in-underwater-wsns
#14
Nadeem Javaid, Farwa Ahmed, Zahid Wadud, Nabil Alrajeh, Mohamad Souheil Alabed, Manzoor Ilahi
Underwater wireless sensor networks (UWSNs) facilitate a wide range of aquatic applications in various domains. However, the harsh underwater environment poses challenges like low bandwidth, long propagation delay, high bit error rate, high deployment cost, irregular topological structure, etc. Node mobility and the uneven distribution of sensor nodes create void holes in UWSNs. Void hole creation has become a critical issue in UWSNs, as it severely affects the network performance. Avoiding void hole creation benefits better coverage over an area, less energy consumption in the network and high throughput...
August 1, 2017: Sensors
https://www.readbyqxmd.com/read/28758036/successful-endoscopic-treatment-of-bouveret-syndrome-in-a-patient-with-choledochoduodenal-fistula-complicating-duodenal-ulcer
#15
Syed Hasan, Zubair Khan, Umar Darr, Toseef Javaid, Nauman Siddiqui, Jamal Saleh, Abdallah Kobeissy, Ali Nawras
INTRODUCTION: Cholecystoduodenal fistulas represent the most common type of bilioenteric fistulas while choledochoduodenal fistulas account for only 1-25% of cases. Bilioenteric fistula cases are associated with cholelithiasis and are rarely associated with duodenal peptic ulcers. Here we present the first case of Bouveret syndrome secondary to choledochoduodenal fistula complicating peptic duodenal ulcer managed successfully via endoscopic mechanical lithotripsy. CASE: 86-year-old male with a medical history significant for coronary artery disease and stage 3 colorectal cancer status after resection and chemoradiation presented with intractable sharp abdominal pain worse postprandially for one week in duration, associated with early satiety, anorexia, and 5 lbs weight loss in one week...
2017: Case Reports in Gastrointestinal Medicine
https://www.readbyqxmd.com/read/28756277/new-carbazole-linked-1-2-3-triazoles-as-highly-potent-non-sugar-%C3%AE-glucosidase-inhibitors
#16
Shazia Iqbal, Maria Aqeel Khan, Kulsoom Javaid, Rabia Sadiq, Saba Fazal-Ur-Rehman, M Iqbal Choudhary, Fatima Z Basha
In the present study, a series of new carbazole linked 1H-1,2,3-triazoles (2-27) were synthesized via click reaction of N-propargyl-9H-carbazole (1) and azides of appropriate acetophenones and heterocycles. Synthesized carbazole triazoles including 7, 9, 10, 19, 20, and 23-26 (IC50=0.8±0.01-100.8±3.6μM), exhibited several folds more potent α-glucosidase inhibitory in vitro activity as compared to standard drug, acarbose. Compounds 2-5, 7-13, and 17-27 did not show any cytotoxicity against 3T3 cell lines, except triazoles 6, and 14-16...
July 16, 2017: Bioorganic Chemistry
https://www.readbyqxmd.com/read/28753990/lifetime-maximization-via-hole-alleviation-in-iot-enabling-heterogeneous-wireless-sensor-networks
#17
Zahid Wadud, Nadeem Javaid, Muhammad Awais Khan, Nabil Alrajeh, Mohamad Souheil Alabed, Nadra Guizani
In Internet of Things (IoT) enabled Wireless Sensor Networks (WSNs), there are two major factors which degrade the performance of the network. One is the void hole which occurs in a particular region due to unavailability of forwarder nodes. The other is the presence of energy hole which occurs due to imbalanced data traffic load on intermediate nodes. Therefore, an optimum transmission strategy is required to maximize the network lifespan via hole alleviation. In this regard, we propose a heterogeneous network solution that is capable to balance energy dissipation among network nodes...
July 21, 2017: Sensors
https://www.readbyqxmd.com/read/28748387/costs-of-fragility-hip-fractures-globally-a-systematic-review-and-meta-regression-analysis
#18
REVIEW
S Williamson, F Landeiro, T McConnell, L Fulford-Smith, M K Javaid, A Judge, J Leal
Purpose This study was conducted in order to systematically review the costs of hip fractures globally and identify drivers of differences in costs. Methods A systematic review was conducted to identify studies reporting patient level fragility hip fracture costs between 1990 and 2015. We extracted data on the participants and costs from these studies. Cost data concerning the index hospitalisation were pooled, and a meta-regression was used to examine its potential drivers. We also pooled data on the first-year costs following hip fracture and considered healthcare, social care as well as other cost categories if reported by studies...
July 26, 2017: Osteoporosis International
https://www.readbyqxmd.com/read/28747174/knowledge-and-perceptions-about-zika-virus-in-a-middle-east-country
#19
Sohaila Cheema, Patrick Maisonneuve, Ingmar Weber, Luis Fernandez-Luque, Amit Abraham, Hekmat Alrouh, Javaid Sheikh, Albert B Lowenfels, Ravinder Mamtani
BACKGROUND: Zika virus, an emerging serious infectious disease, is a threat to persons living or travelling to regions where it is currently endemic, and also to contacts of infected individuals. The aim of this study was to assess knowledge about this new public health threat to persons residing in a Middle Eastern country. METHODS: We conducted a survey at several international universities in Qatar to assess knowledge and awareness about this disease. An adapted version of the survey was also conducted using online channels from Qatar...
July 26, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28745232/in-vitro-%C3%AE-glucosidase-inhibition-by-non-sugar-based-triazoles-of-dibenzoazepine-their-structure-activity-relationship-and-molecular-docking
#20
Maria A Khan, Kulsoom Javaid, Abdul Wadood, Alam Jamal, Farhana Batool, Saba Fazal-Ur-Rehman, Fatima Z Basha, M Iqbal Choudhary
BACKGROUND: α-Glucosidase inhibitors (AGIs) have been reported for their clinical potential against postprandial hyperglycemia, which is responsible for risks associated with diabetes mellitus 2 and cardiovascular diseases (CVDs). Besides, a number of compounds have been reported as potent AGIs, several side effects are associated with them. METHODS: The aim of present work is to explore new and potent molecules as AGIs. Therefore, a library of dibenzoazepine linked triazoles (1-15) was studied for their in vitro α-glucosidase inhibitory activity...
July 26, 2017: Medicinal Chemistry
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