Browsing Biomedical Sciences by Type "Article"
Now showing items 21-40 of 478
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Analytic comparison between three high-throughput commercial SARS-CoV-2 antibody assays reveals minor discrepancies in a high-incidence population
( Nature Research , 2021 , Article)Performance of three automated commercial serological IgG-based assays was investigated for assessing SARS-CoV-2 "ever" (past or current) infection in a population-based sample in a high exposure setting. PCR and serological ... -
Anaphylaxis triggers in a large tertiary care hospital in Qatar: a retrospective study
( BMC , 2018 , Article)Anaphylaxis is a serious allergic disease that may lead to death if not immediately recognized and treated. Triggers of anaphylaxis including food, drugs, and insect stings can vary widely. The incidence of anaphylaxis ... -
Anti-cancer properties and mechanisms of action of thymoquinone, the major active ingredient of Nigella sativa
( Taylor & Francis , 2017 , Article)Over the past two decades, studies have documented the wide-range anti-cancer effects of Nigella sativa, known as black seed or black cumin. Thymoquinone (TQ), its major active ingredient, has also been extensively studied ... -
Antibacterial and Antibiofilm Activity of Mercaptophenol Functionalized-Gold Nanorods Against a Clinical Isolate of Methicillin-Resistant Staphylococcus aureus
( Springer , 2022 , Article)Gold nanorods (AuNRs) were synthesized by the seed-mediated wet chemical method using a binary surfactant system. AuNRs were stabilized with polyethylene glycol, then functionalized with 4-mercaptophenol (4-MPH) ligand by ... -
Antibiotic Prescription Patterns for Upper Respiratory Tract Infections in Outpatient Qatari Population in the Private Sector
( Elsevier , 2016 , Article)Background: Antibiotic are often inappropriately prescribed for upper respiratory infections (URI) in the Western countries. Data on the proportion of inappropriate prescriptions are lacking from the Middle East and other ... -
Antibody Response to SARS-CoV-2: A Cohort Study in Qatar's Primary Care Settings.
( SAGE Publications , 2021 , Article)Globally, countries are rolling out Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) quarantine policies and vaccination programs. Research studies are needed in helping understand the likelihood of acquired ... -
Antihypertensive indigenous lebanese plants: Ethnopharmacology and a clinical trial
( MDPI AG , 2019 , Article)Hypertension is highly prevalent among the Lebanese adult population and is indeed the major cause of mortality in Lebanon. Traditional use of antihypertensive medicinal plants has long been practiced. The aim of this study ... -
Antimicrobial Resistance of Commensal Escherichia coli Isolated from Food Animals in Qatar
( Mary Ann Liebert , 2020 , Article)This study aims at evaluating the phenotypic and genotypic antimicrobial resistance (AMR) patterns of 18 clinically relevant antibiotics in food animals in Qatar. Fecal samples from camels, cattle, and pigeons (300) were ... -
Antioxidant Activity Mediates Pirfenidone Antifibrotic Effects in Human Pulmonary Vascular Smooth Muscle Cells Exposed to Sera of Idiopathic Pulmonary Fibrosis Patients.
( Hindawi Publishing Corporation , 2018 , Article)Idiopathic pulmonary fibrosis (IPF) is a chronic lung disease characterized by an exacerbated fibrotic response. Although molecular and cellular determinants involved in the onset and progression of this devastating disease ... -
Antitumor Activities of the Novel Isosteviol Derivative 10C Against Liver Cancer
( International Institute of Anticancer Research , 2017 , Article)Background/Aim. Hepatocellular carcinoma (HCC) is the most common type of liver cancer and the fifth most common primary malignancy with worldwide increasing incidence. The current study aims to investigate the anticancer ... -
The Arab genome: Health and wealth
( Elsevier B.V. , 2016 , Article)The 22 Arab nations have a unique genetic structure, which reflects both conserved and diverse gene pools due to the prevalent endogamous and consanguineous marriage culture and the long history of admixture among different ... -
Arrhythmogenic calmodulin E105A mutation alters cardiac RyR2 regulation leading to cardiac dysfunction in zebrafish
( Wiley , 2019 , Article)Calmodulin (CaM) is a universal calcium (Ca )-binding messenger that regulates many vital cellular events. In cardiac muscle, CaM associates with ryanodine receptor 2 (RyR2) and regulates excitation-contraction coupling. ... -
Assessing the burden of intestinal parasites affecting newly arrived immigrants in Qatar
( BioMed Central , 2016 , Article)In the last decades, the enormous influx of immigrants to industrialized countries has led to outbreaks of parasitic diseases, with enteric infections being amongst the most frequently encountered. In its strategy to control ... -
Assessment of Broadly Reactive Responses in Patients With MERS-CoV Infection and SARS-CoV-2 Vaccination
( American Medical Association , 2023 , Article)Importance: In the ongoing COVID-19 pandemic, there remain unanswered questions regarding the nature and importance of the humoral immune response against other coronaviruses. Although coinfection of the Middle East ... -
Association between Genetic Variants of GC Gene at 4q13.3 and Vitamin D Concentrations in Adult Females
( Longdom , 2019 , Article)Background: Vitamin D binding protein, encoded by the GC gene (on 4q13.3), plays an important role in transporting vitamin D. Several Genome-Wide Association Studies (GWASs) have established a significant association ... -
The Association between Lifestyle Factors and COVID-19: Findings from Qatar Biobank.
( MDPI , 2024 , Article)Coronavirus Disease 2019 (COVID-19) manifestations range from mild to severe life-threatening symptoms, including death. COVID-19 susceptibility has been associated with various factors, but studies in Qatar are limited. ... -
Association of genetic variants with colorectal cancer in the extended MENA region: A systematic review
( Bentham Science Publishers , 2019 , Article)Colorectal cancer (CRC) is the third most common cancer worldwide and the third leading cause of cancer-related death. It is a heterogeneous disease that develops through different genetic and epigenetic mechanisms. To ... -
Association of Prior SARS-CoV-2 Infection With Risk of Breakthrough Infection Following mRNA Vaccination in Qatar.
( American Medical Association , 2021 , Article)The effect of prior SARS-CoV-2 infection on vaccine protection remains poorly understood. To assess protection from SARS-CoV-2 breakthrough infection after mRNA vaccination among persons with vs without prior SARS-CoV-2 ... -
Association of single nucleotide polymorphisms with dyslipidemia and risk of metabolic disorders in the State of Qatar
( Wiley-Blackwell , 2023 , Article)Background: Dyslipidemia is recognized as one of the risk factors of cardiovascular diseases (CVDs), type 2 diabetes mellitus (T2DM), and non-alcoholic fatty liver disease (NAFLD). Objective: The study aimed to investigate ... -
Association of Urinary Vitamin D-binding Protein and Megalin as Biomarkers for Diabetic Nephropathy in Type 2 Diabetes Mellitus in Qatari Patients
( OMICS , 2019 , Article)Abstract Background: Nephropathy is a common complication of type 2 diabetes mellitus (T2DM). Previous studies revealed that T2DM patients with nephropathy have higher concentrations of urinary Vitamin D Binding ...