Biomedical Research Center: Recent submissions
Now showing items 381-400 of 708
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Age and sport intensity-dependent changes in cytokines and telomere length in elite athletes
( MDPI , 2021 , Article Review)Background: Exercise-associated immune response plays a crucial role in the aging process. The aim of this study is to investigate the effect of sport intensity on cytokine levels, oxidative stress markers and telomere ... -
Fluid Flow Characteristics of Healthy and Calcified Aortic Valves Using Three-Dimensional Lagrangian Coherent Structures Analysis
( MDPI , 2021 , Article)Aortic valve calcification is an important cardiovascular disorder that deteriorates the accurate functioning of the valve leaflets. The increasing stiffness due to the calcification prevents the complete closure of the ... -
Trends in fecal carriage of carbapenemase-producing Enterobacterales in children before and after the implementation of international travel restrictions in response to COVID-19
( Elsevier , 2021 , Other)Qatar is located on the northeast coast of the Arabian Peninsula with a large expatriate population comprising 86% of the country's population, most of whom originate from Indian subcontinent countries [1]. International ... -
Molecular Characterization of Extended-Spectrum β-Lactamase-Producing and Among the Pediatric Population in Qatar
( Frontiers Media , 2020 , Article)Although extended-spectrum β-lactamase (ESBL)-producing Enterobacterales are a public health problem in the Arabian Peninsula, data on the molecular characteristic of their antimicrobial resistance determinants in children ... -
Draft Genome Sequence of an Extended-Spectrum β-Lactamase-Producing Klebsiella oxytoca Strain Bearing from Qatar.
( American Society for Microbiology , 2020 , Article)is an opportunistic human pathogen causing nosocomial infection. We report the draft genome of an extended-spectrum β-lactamase-producing isolate harboring an gene, a recently discovered colistin resistance analog, from ... -
The prevalence of HEV among non-A-C hepatitis in Qatar and efciency of serological markers for the diagnosis of hepatitis E
( BMC , 2021 , Article)Background: The rapid growth of Qatar in the last two decades has attracted a large influx of immigrant workers who mostly come from HEV-hyperendemic countries. Thus, we aim to investigate the prevalence of HEV among acute ... -
Low-level amikacin resistance induced by AAC(6′)-Ib and AAC(6′)-Ib-cr in extended-spectrum β-lactamase (ESBL)-producing Enterobacterales isolated from urine in children
( Elsevier , 2021 , Other)Amikacin is commonly used in children in combination with other agents as a last-resort treatment for severe infections caused by multidrug-resistant Gram-negative bacteria. Amikacin is also prescribed empirically in febrile ... -
Sestrin2 suppression aggravates oxidative stress and apoptosis in endothelial cells subjected to pharmacologically induced endoplasmic reticulum stress
( Elsevier , 2021 , Article)Endoplasmic reticulum (ER) stress is an inflammatory response that contributes to endothelial dysfunction, a hallmark of cardiovascular diseases, in close interplay with oxidative stress. Recently, Sestrin2 (SESN2) emerged ... -
Level of Maternal Respiratory Syncytial Virus (RSV) F Antibodies in Hospitalized Children and Correlates of Protection.
(2021)RSV is a major cause of lower respiratory infections among children, where no vaccine is available. The stabilized form of the fusion (F) protein, pre-F, is a leading vaccine candidate targeting different populations, ... -
Plasmid-mediated colistin resistance encoded by mcr-1 gene in Escherichia coli co-carrying blaCTX-M-15 and blaNDM-1 genes in pediatric patients in Qatar
( Elsevier , 2020 , Other)Plasmid-mediated colistin resistance encoded by mcr-1 gene in Escherichia coli co-carrying blaCTX-M-15 and blaNDM-1 genes in pediatric patients in Qatar -
The Spectrum of Antibiotic Prescribing During COVID-19 Pandemic: A Systematic Literature Review
( Mary Ann Liebert , 2021 , Article Review)Objectives: Over the last decades, there has been a significant increase in antimicrobial prescribing and consumption associated with the development of patients’ adverse events and antimicrobial resistance (AMR) to the ... -
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 ... -
Antibiotic Resistance and Virulence Gene Patterns Associated with Avian Pathogenic Escherichia coli (APEC) from Broiler Chickens in Qatar
( MDPI , 2021 , Article)Avian Pathogenic Escherichia coli (APEC) is the contributing agent behind the avian infectious disease colibacillosis, which causes substantial fatalities in poultry industries that has a significant impact on the economy ... -
EndMT regulation by small RNAs in diabetes-associated fibrotic conditions: potential link with oxidative stress
( Frontiers Media , 2021 , Article)Diabetes-associated complications, such as retinopathy, nephropathy, cardiomyopathy, and atherosclerosis, the main consequences of long-term hyperglycemia, often lead to organ dysfunction, disability, and increased mortality. ... -
Genetic Diversity and Prevalence of in Qatar.
( Frontiers Media , 2021 , Article)is a common human intestinal parasite worldwide, and the causative agent of diarrhea, with the severity of disease ranging from asymptomatic to intense and debilitating infection. is known to consist of eight genetically ... -
The Immunophenotyping Changes of Peripheral CD4+ T Lymphocytes and Inflammatory Markers of Class III Obesity Subjects After Laparoscopic Gastric Sleeve Surgery - A Follow-Up Study
( Dovepress , 2021 , Article)Obesity is a chronic disorder characterized by a low-grade inflammatory state and immune cell irregularities. The study aimed to follow up on the changes in the peripheral CD4+ T lymphocytes and the pro-inflammatory ... -
The Impact of Acute and Chronic Exercise on Immunoglobulins and Cytokines in Elderly: Insights From a Critical Review of the Literature.
( Frontiers Media , 2021 , Article Review)The level of immunoglobulins and cytokines changes with an ageing immune system. This review summarizes findings from studies that have examined the impact of acute and chronic exercise on immunoglobulins and cytokines in ... -
Substantial cell apoptosis provoked by naked PAMAM dendrimers in HER2-positive human breast cancer via JNK and ERK1/ERK2 signalling pathways
( Elsevier , 2021 , Article)HER2-positive breast cancer is one of its most challenging subtypes, forming around 15–25% of the total cases. It is characterized by aggressive behavior and treatment resistance. On the other hand, poly (amidoamine) (PAMAM) ... -
Salmonella Infections among Pediatric Population in Qatar: Phenotypic Resistance and Associated Genotypic Determinants
( Austin Publishing Group , 2021 , Article)Salmonella is a significant public health burden worldwide and being the most common bacterial diarrheal illness among infants and young children. In the last few years, Qatar reports a high incidence of salmonellosis ... -
Computational Investigation of the Effect of Wall Thickness on Rupture Risk in Abdominal Aortic Aneurysms
( JAFM , 2020 , Article)Cardiovascular disorders are among the most important causes of sudden death and adult disability worldwide. Abdominal aortic aneurysm (AAA) is a critical clinical condition where the aorta dilates beyond 50% of its normal ...