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Qatar Foundation Annual Research Conference Proceedings Volume 2014 Issue 1
- Conference date: 18-19 Nov 2014
- Location: Qatar National Convention Center (QNCC), Doha, Qatar
- Volume number: 2014
- Published: 18 November 2014
281 - 300 of 480 results
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Inferring Copy Number Variation Networks From The Qatari Genome
Authors: Noha A. Yousri, Khalid A. Fakhro, Ronald G. Crystal and Karsten SuhreBackground: Thousands of Copy Number Variations (CNVs) obtained from Next Generation Sequencing (NGS) technologies present a rich information for biologists. Such huge information is tempting for discovering the inherent characteristics for a population's genome. Copy Number Variations (CNVs) are deletions and duplications in the genome, that may associate with certain phenotypic characteristics as diseases o Read More
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Srebp-2 Intronic Microrna 33a Post-translationally Controls Ldl Uptake
Authors: Vimal Ramachandran and S. Hani Najafi-shoushtariBackground and Objectives Impaired cholesterol and fat metabolism contributes to obesity, type 2 diabetes and atherogenic cardiovascular disease; major chronic conditions that are increasingly prevalent in Qatar. There is thus an urgent need for new treatment modalities to combat the rise in these diseases. Understanding how cholesterol/lipid homeostasis is achieved and maintained is among the very first critical steps Read More
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MicroRNA Regulation Of Annexin A2/p11 System Implicated In Diabetic Retinopathy
Background & Objectives Diabetic retinopathy is the most frequent cause of blindness among working-age adults in the industrialized world and, among Qataris over the age of 40 with diabetes, has a prevalence of 31.8%. Diabetic retinopathy begins when metabolic changes and alterations in vascular perfusion cause capillary leakage and closure, due to dropout of pericytes, cells that stabilizes microvessels. Annexin A2 (A2), a Read More
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Thymidylate Kinase - An NMR Based Approach For Drug Discovery
By Gordon RuleThymidylate kinases (TMKs) play a central role in the production of nucleotide precursors that are required for the replication of DNA. Consequently, this enzyme is a potential drug target for the discovery of anti-bacterial, anti-fungal, and anti-parasitic drugs. In addition, TMKs are also involved in the activation of prodrugs. In particular, the anti-HIV drug AZT is activated by human TMK (huTMK) and the low efficienc Read More
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Integrating Behavioral, Neural And (epi-)genetic Data Into A Model Of Psychobiological Development: The Example Of Stress
By Vanessa LuxIn a rapidly changing society, knowledge and education are key factors for indivdual well-being and social development. To create ideal learning environments and achieve both, it is important to know how our mind develops over the life span. This is also highly relevant for mental health and especially the prevention of psychological stress. On the other hand, the physiological stress reaction is considered to play a vital role in Read More
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Identification Of Post-translationally Modified Α-synuclein Protein In Biofluids Of Parkinson's Disease Patients Using A Targeted And Quantitative Mass Spectrometry Approach.
Authors: Céline Salomé Vocat, Bruno Fauvet, Michel Prudent, Adrien W. Schmid and Hilal A. LashuelIdentification of post-translationally modified α-Synuclein protein in biofluids of Parkinson's disease patients using a targeted and quantitative mass spectrometry approach. Céline Vocat1, Bruno Fauvet1, Michel Prudent4, Adrien W. Schmid3, Hilal A. Lashuel1&2. 1 Laboratory of Molecular and Chemical Biology of Neurodegeneration, Brain Mind Institute, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerl Read More
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Evidence-based Stillbirth Prevention Strategies: Combining Empirical & Theoretical Paradigms To Inform Health Planning And Decision-making
Authors: Mary Lou King, Amna Aden, Stephany Tapa Daya, Reem Jumah and Salma KhanABSTRACT Introduction: A global health project undertaken in Qatar on the Arabian Peninsula immersed undergraduate nursing students in hands-on learning to address the question: what strategies are effective in preventing stillbirth? Worldwide stillbirth estimates of 2.6 million/year (Cousens et al., 2011) and the high rate in the Eastern Mediterranean Region (EMR) of 27/1000 total live births provided the stimulus for this inquir Read More
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Physiological Indices During Continuous And Sinusoidal Running Exercise In Football Players
Authors: Badrane Zinoubi, Sana Zbidi, Omar Hammouda, Henry Vandewalle and Tarak DrissIt is well established that intermittent exercises are very specific for performance in field and combat sports. However, few studies have examined the effect of sinusoidal oscillation in exercise intensity could maintain or ameliorates energetic coast. The aim of this work was to investigate if the variation of exercise allures (constant speed (CT-sp) vs. sinusoidal speed (SIN-sp) on physiological responses during submaximal exercis Read More
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Qatar Digital Healthcare: An Impact Assessment Of Health Information Technologies On National Capacity Development
By Rashid NiazBackground The health system in Qatar is going through a digital health technology transformation. Along with upgrading its facilities and medical equipment, Qatar has invested hundreds of millions of Riyals in health information systems specifically deployment of an integrated Electronic Medical Record (EMR) across its national hospitals and primary health care centers. This has introduced the age of health informatics for Read More
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Harmonic-field Based Artery Separation From Cerebral Aneurysm For Stent Deployment
Background & Objective: Cerebral aneurysms are one of the prevalent and devastating cerebrovascular diseases of adult population worldwide. The resulting effect is subarachnoid hemorrhage, intra- cerebral hematoma and other complications leading to a high mortality rate. When the aneurysm is fusiform, having wide neck or is large in shape, deploying stent in the parent artery to bypass aneurysm is considered as th Read More
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Preliminary Design Of An Actuated Probe For Enhance Visualization In Robotic Surgeries
INTRODUCTION: Robotic surgery allows minimally invasive procedures to be performed with greater precision, higher dexterity, and ergonomic comfort. The widely used daVinci surgical robot (Intuitive Surgical, California, USA) consists of a central stereoscopic camera and three robotic surgical arms controlled by the surgeon using a console. Though the stereoscopic camera provides superior visualization of the surgical Read More
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Comparison Of In Vitro Models Of Diabetic Nephropathy Using Renal Tubular Cells
Authors: Heba El Gamal and Shankar MunusamyBackground: Diabetic nephropathy (DN) is a chronic and serious complication associated with diabetes. The standardization of an in vitro model to best represent DN is very challenging due to the chronic nature of the condition. Therefore, two different renal tubule cell lines - Madin-Darby canine kidney cells (MDCK) and Normal rat kidney cells (NRK-52E) - were used to investigate the effects of high glucose on kidney cells. Read More
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Three-dimensional Electrospun Biodegradable Nanofibers Scaffolds Loaded With Amoxicillin For Wound Healing Applications: Preparation & Characterization
Authors: Fatemeh Jalali, Oraib Abdallah, Somayeh Zamani and Husam YounesBackground: The use of electrospinning technology (ET) in fabrication of three-dimensional biodegradable electrospun nanofibers scaffolds (BENS) has recently gained considerable attention in tissue engineering. BENS are superior to other existing scaffolds in tissue regeneration as they provide high surface area-to-volume ratio, possess high porosity, and offer a biomimetic environment in a nanometer scale. Objectives: To fabri Read More
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Postprandial Hyperinsulinaemia And Hyperproinsulinaemia Are Early Predictors Of Cardiovascular Disease In Apparently Healthy Young Qatari Women
Background. Insulin resistance and the prevalence of diabetes are high in the Middle Eastern population and in people of South Asian origin. Because of epidemic proportions that diseases have reached in these populations. It is important to find early markers along with preventative interventions. Recent data indicates that the metabolic defect in the pre-diabetic condition relates more strongly to post-prandial deficie Read More
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Synthesis And Pharmacological Screening Of Novel Piperine Analogs For Potential In Vitro Protection From Endoplasmic Reticulum Stress
Authors: Ayat Samir Hammad, Shankar Munusamy and Ashraf KhalilAbstract: Background: The endoplasmic reticulum (ER) is the chief organelle involved in protein homeostasis. Perturbations to the ER protein folding machinery caused by hyperlipidemia, hyperglycemia or hypoglycemia has been shown to trigger ER stress and activate the unfolded protein response (UPR) as a defense mechanism. Accumulating evidences implicate the role of ER stress in the development of chronic kidney d Read More
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Body Size, Physical Activity And Risk Of Cancers Of The Breast, Prostate And Colorectum Among Diabetic Patients
Authors: Kawthar Al-dabhani, Marc Gunter and Neil MurphyABSTRACT Introduction Over the last 30 years the incidences of cancer and diabetes have been increasing progressively and there is both epidemiologic and experimental data linking diabetes and various cancer outcomes. Previous studies has shown that physical activity, height, and obesity; measured by weight, waist circumference, waist-to-hip ratio and body mass index were associated with the risk of diabetes and Read More
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The 16p11.2 Deletion In An Extremely Obese Patient From Qatar
Obesity is a highly heritable trait, with estimated heritability of about 40-70%. Genetic variations including single nucleotide polymorphisms (SNPs) and copy number variations (CNVs) have been associated with obesity. A large deletion (~600 kb) on chr16p11.2 has been found to cause a highly penetrant from of obesity often associated with hyperphagia and intellectual disabilities, in European populations. Here, we investigated Read More
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Detecting Cardiovascular Abnormalities Using A Telemetry System Based On Arduino Microcontroller & Smartphones
Authors: Faiyadh Shahid, Abdulla Baobeid and Reza TafreshiThis project focuses on developing a complete telemetry system in response to the growing demand for efficient, mobile and inexpensive system for detecting cardiovascular abnormalities. Our team has already developed two algorithms. The first algorithm detects various critical points on Electrocardiograph (ECG) waveforms such as: P-wave, QRS complex, T-wave and ST elevation. Based on these points, the second algorit Read More
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Transtubular Supraorbital Approach
More LessBackground: Brain retraction has been shown to cause brain trauma and consequent neurological deficits, as well as closure of blood vessels due to applied pressure from the retractor. Hence it becomes necessary to explore alternative means for intracranial procedures that minimize brain retraction, such as keyhole techniques. Such techniques offer minimally invasive means that reduce brain retraction, effectively reducin Read More
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Aqueous Extract Of Origanum Syriacum Inhibits Proliferation, Migration, Adhesion As Well As Erk1/2 Phosphorylation In Aggressive Breast Cancer
Authors: Amal Al Kahlout and Ali EidBackground: Breast Cancer is one of the leading causes of cancer related mortality in women, both in Qatar and the world. Despite the available treatments the incidence of breast cancer is increasing. This highlights the need for new approaches for cancer. One of the fields that is gaining attention nowadays is herbal medicine. Herbs are known to have bioactive compounds that affect many diseases one of which is cancer. Read More
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