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السجلات المعروضة 224 -- 243 من 709
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Effects of SARS-CoV-2 Alpha, Beta, and Delta variants, age, vaccination, and prior infection on infectiousness of SARS-CoV-2 infections
( Frontiers Media , 2022 , Article)In 2021, Qatar experienced considerable incidence of SARS-CoV-2 infection that was dominated sequentially by the Alpha, Beta, and Delta variants. Using the cycle threshold (Ct) value of an RT-qPCR-positive test to proxy ... -
The Effects of Spirulina Supplementation on Cardiometabolic Risk Factors: A Narrative Review
( Taylor & Francis , 2024 , Article)Spirulina (Arthrospira platensis) is a cyanobacterium associated with multiple health benefits. Cardiometabolic diseases such as cardiovascular disease, nonalcoholic fatty liver disease, and diabetes are prevalent yet ... -
Efficacy and Clinical Outcomes of mRNA COVID-19 Vaccine in Pregnancy: A Systematic Review and Meta-Analysis
( S. Karger AG , 2024 , Article)BACKGROUND: The world has witnessed one of the largest pandemics, dubbed severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). As of December 2020, the USA alone reported 98,948 cases of coronavirus disease 2019 ... -
Efficacy of Euphorbia helioscopia in context to a possible connection between antioxidant and antidiabetic activities: a comparative study of different extracts
( Springer Nature , 2021 , Article)Background: Euphorbia helioscopia, conventionally known as sun spurge, has been used as a traditional medicine to treat different diseases owing to its reported antitumor, antiviral and antioxidant activities. Methods: The ... -
Elaeagnus angustifolia Plant Extract Induces Apoptosis via P53 and Signal Transducer and Activator of Transcription 3 Signaling Pathways in Triple-Negative Breast Cancer Cells
( Frontiers Media , 2022 , Article)Elaeagnus angustifolia (EA) is used as an alternative medicine in the Middle East to manage numerous human diseases. We recently reported that EA flower extract inhibits cell proliferation and invasion of human oral and ... -
Elaeagnus angustifolia Plant Extract Inhibits Angiogenesis and Downgrades Cell Invasion of Human Oral Cancer Cells via Erk1/Erk2 Inactivation.
( Taylor & Francis (Routledge) , 2018 , Article)Oral cancer is a common malignancy in both men and women worldwide; this cancer is characterized by a marked propensity for invasion and spreading to local lymph nodes. On the other hand, Elaeagnus angustifolia (EA) is a ... -
Elaeagnus Angustifolia Plant Extract inhibits Epithelial- mesenchymal Transition in Human Colorectal Cancer via β-catenin/JNK signaling Pathways
( University of Jordan,Deanship of Scientific Research , 2023 , Article)Elaeagnus angustifolia (EA) is a traditional plant that has been used as an alternative medicine for centuries. EA roles as anti-cancer has been investigated against different types of cancer, however, its effect against ... -
Elaeagnus angustifolia Plant Extract Inhibits Epithelial-Mesenchymal Transition and Induces Apoptosis via HER2 Inactivation and JNK Pathway in HER2-Positive Breast Cancer Cells
( MDPI , 2020 , Article)Elaeagnus angustifolia (EA) is a medicinal plant used for treating several human diseases in the Middle East. Meanwhile, the outcome of extract on HER2-positive breast cancer remains nascent. Thus, we herein investigated ... -
Electrospun polylactic acid/date palm polyphenol extract nanofibres for tissue engineering applications
( Springer , 2019 , Article)In this study, a set of polylactic acid (PLA)/polyphenol extracted from date palm fruit (DP) blends were prepared by electrospinning process to be used as cell culture scaffolds for tissue engineering applications. For ... -
Electrospun polyvinyl alcohol membranes incorporated with green synthesized silver nanoparticles for wound dressing applications.
( Springer Verlag , 2018 , Article)Electrospun membranes have the potential to act as an effective barrier for wounds from the external environment to prevent pathogens. In addition, materials with good antibacterial properties can effectively fight off the ... -
Elevated Adipsin and Reduced C5a Levels in the Maternal Serum and Follicular Fluid During Implantation Are Associated With Successful Pregnancy in Obese Women
( Frontiers Media , 2022 , Article)Introduction: Complement factors mediate the recruitment and activation of immune cells and are associated with metabolic changes during pregnancy. The aim of this study was to determine whether complement factors in the ... -
Emerging COVID-19 variants and their impact on SARS-CoV-2 diagnosis, therapeutics and vaccines
( Taylor and Francis , 2022 , Article)The emergence of novel and evolving variants of SARS-CoV-2 has fostered the need for change in the form of newer and more adaptive diagnostic methods for the detection of SARS-CoV-2 infections. On the other hand, developing ... -
Emerging innate biological properties of nano-drug delivery systems: A focus on PAMAM dendrimers and their clinical potential
( Elsevier , 2021 , Article)Drug delivery systems or vectors are usually needed to improve the bioavailability and effectiveness of a drug through improving its pharmacokinetics/pharmacodynamics at an organ, tissue or cellular level. However, emerging ... -
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. ... -
Enhancing the sensitivity of rapid antigen detection test (RADT) of different SARS-CoV-2 variants and lineages using fluorescence-labeled antibodies and a fluorescent meter
( Elsevier , 2023 , Article)RT-qPCR is considered the gold standard for diagnosis of COVID-19; however, it is laborious, time-consuming, and expensive. RADTs have evolved recently as relatively inexpensive methods to address these shortcomings, but ... -
Enteric pathogens modulate metabolic homeostasis in the Drosophila melanogaster host
( Elsevier , 2022 , Article)On quotidian basis, living beings work out an armistice with their microbial flora and a scuffle with invading pathogens to maintain a normal state of health. Although producing virulence factors and escaping the host's ... -
Epac as a tractable therapeutic target
( Elsevier , 2023 , Article)In 1957, cyclic adenosine monophosphate (cAMP) was identified as the first secondary messenger, and the first signaling cascade discovered was the cAMP-protein kinase A (PKA) pathway. Since then, cAMP has received increasing ... -
Epidemiological and genetic characterization of pH1N1 and H3N2 influenza viruses circulated in MENA region during 2009-2017.
( BMC , 2019 , Article)Influenza surveillance is necessary for detection of emerging variants of epidemiologic and clinical significance. This study describes the epidemiology of influenza types A and B, and molecular characteristics of surface ... -
Epidemiological impact of prioritising SARS-CoV-2 vaccination by antibody status: Mathematical modelling analyses
( BMJ Publishing Group , 2021 , Article)Background Vaccines against SARS-CoV-2 have been developed, but their availability falls far short of global needs. This study aimed to investigate the impact of prioritising available doses on the basis of recipient ... -
Epidemiological, Molecular, and Clinical Features of Norovirus Infections among Pediatric Patients in Qatar
( MDPI , 2019 , Article)Abstract: Background: Norovirus (NoV) is recognized as the second most important etiological agent leading to acute gastroenteritis globally. In order to determine the burden and characteristics of NoV infections in children ...