Biomedical Sciences: Recent submissions
Now showing items 461-480 of 805
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Effectiveness of the BNT162b2 Covid-19 Vaccine against the B.1.1.7 and B.1.351 Variants.
( Massachusetts Medical Society , 2021 , Other)The messenger RNA vaccine BNT162b2 (Pfizer–BioNTech) has 95% efficacy against coronavirus disease 2019 (Covid-19). Qatar launched a mass immunization campaign with this vaccine on December 21, 2020. As of March 31, 2021, ... -
Dysbiosis of the Salivary Microbiome is Associated with Hypertension and Correlated with Metabolic Syndrome Biomarkers
( Dovepress , 2021 , Article)Background: Hypertension (HT) is an idiopathic disease with severe complications and a high incidence of global mortality. Although the disease shares characteristic features with diabetes and obesity, the complex interplay ... -
Epidemiology Profile of Viral Meningitis Infections Among Patients in Qatar (2015-2018)
( Frontiers Media , 2021 , Article)Little is known about the etiology of meningitis in the MENA region, including Qatar. Viral agents are considered the major cause for meningitis worldwide. Here, we present primary data about the etiology and clinical and ... -
miR-21 mimic blocks obesity in mice: A novel therapeutic option
( Elsevier , 2021 , Article)MicroRNAs (miRNAs) are promising drug targets for obesity and metabolic disorders. Recently, miRNA mimics are providing a unique mechanism of action that guides the process for drug development and sets out the context of ... -
Molecular and biological characterization of influenza A viruses isolated from human fecal samples
( Elsevier , 2021 , Article)Human influenza viruses are occasionally detected in the stools of influenza patients. Objectives: Here, we investigated the molecular and biological characteristics of intestinal influenza viruses and their potential role ... -
Comparison of potential inhibitors and targeting fat mass and obesity-associated protein causing diabesity through docking and molecular dynamics strategies.
( Wiley , 2021 , Article)Genome-wide association studies (GWAS) have identified an association between polymorphisms in the FTO gene and obesity. The FTO: rs9939609, an intronic variant, is considered a risk allele for developing diabesity in ... -
A computational overview on phylogenetic characterization, pathogenic mutations, and drug targets for Ebola virus disease
( Elsevier , 2021 , Article)The World Health Organization declared Ebola virus disease(EVD) as the major outbreak in the 20th century. EVD was firstidentified in 1976 in South Sudan and the Democratic Republicof the Congo. EVD was transmitted from ... -
Tumor reversion: a dream or a reality.
( Pubmed , 2021 , Article)Reversion of tumor to a normal differentiated cell once considered a dream is now at the brink of becoming a reality. Different layers of molecules/events such as microRNAs, transcription factors, alternative RNA splicing, ... -
Nasopharyngeal Expression of Angiotensin-Converting Enzyme 2 and Transmembrane Serine Protease 2 in Children within SARS-CoV-2-Infected Family Clusters.
( American Society for Microbiology , 2021 , Article)Lower levels of angiotensin-converting enzyme 2 (ACE2) and transmembrane serine protease 2 (TMPRSS2) in the nasal epithelium of children may be related to a lower incidence of severe acute respiratory syndrome coronavirus ... -
Effect of Water-Pipe Smoking on the Normal Development of Zebrafish
( MDPI , 2021 , Article)Background: Among all types of tobacco consumption,Water-Pipe Smoking (WPS) is the most widely used in the Middle East and second-most in several other countries. The effect of WPS on normal development is not yet fully ... -
Incidence, risk factors, and feto-maternal outcomes of inappropriate birth weight for gestational age among singleton live births in Qatar: A population-based study
( Public Library of Science , 2021 , Article)Background Abnormal fetal growth can be associated with factors during pregnancy and at postpartum. Objective In this study, we aimed to assess the incidence, risk factors, and feto-maternal outcomes associated with ... -
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 ... -
BNT162b2 and mRNA-1273 COVID-19 vaccine effectiveness against the SARS-CoV-2 Delta variant in Qatar.
( Nature Researc , 2021 , Article)With the global expansion of the highly transmissible SARS-CoV-2 Delta (B.1.617.2) variant, we conducted a matched test-negative case-control study to assess the real-world effectiveness of COVID-19 messenger RNA vaccines ... -
Screening the growth inhibition mechanism of sulfate reducing bacteria by chitosan/lignosulfonate nanocomposite (CS@LS) in seawater media
( Elsevier , 2021 , Article)Sulfate-reducing bacteria (SRBs) induced biofilm formation is a global industrial concern due to its role in the development of microbial-induced corrosion (MIC). Herein, we have developed a biodegradable chitosan/lignosulfonate ... -
ABO blood group association and COVID-19. COVID-19 susceptibility and severity: a review
( Elsevier , 2021 , Article)Introduction The SARS-CoV-2 pandemic has been affecting the health and economic, as well as social, life of the entire globe since the end of 2019. The virus causes COVID-19, with a wide range of symptoms among the infected ... -
Editorial: Unconventional Animal Models in Infectious Disease Research
( Frontiers Media , 2021 , Article)Beyond an in vitro setting, the use of a biological system is considered imperious to unravel the enigma of host-pathogen interactions, particularly those eventuating in an infectious disease scenery. In the past two-decades, ... -
Between Inflammation and Autophagy: The Role of Leptin-Adiponectin Axis in Cardiac Remodeling
( Dove Medical Press , 2021 , Article Review)Cardiac remodeling is the process by which the heart adapts to stressful stimuli, such as hypertension and ischemia/reperfusion; it ultimately leads to heart failure upon long- term exposure. Autophagy, a cellular catabolic ... -
The effect of surface-modified gold nanorods on the early stage of embryonic development and angiogenesis: Insight into the molecular pathways
( MDPI , 2021 , Article)Gold nanorods have been implicated in several biomedical applications. Herein, the effect of two surface-modified gold nanorods on the early stages of embryogenesis and angiogenesis was investigated using avian embryos at ... -
COVID-19 Vaccine Platforms: Challenges and Safety Contemplations
( MDPI , 2021 , Article Review)The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has become a pandemic as of March 2020, creating a global crisis and claiming millions of lives. To halt the pandemic and alleviate its impact on society, ... -
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 ...