تصفح Biomedical Sciences حسب العنوان
السجلات المعروضة 471 -- 490 من 833
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l-Proline-Catalyzed Three-Component Reaction of 4-Chloro-3-formylcoumarin, Sodium Sulfide, and α-Halo Ketones: A Direct Approach to Thieno[3,2- c ]coumarins
( Georg Thieme Verlag KG , 2023 , Article)A new protocol for the synthesis of thieno[3,2-c]coumarins is disclosed. In this method, a 3-formyl-2-oxo-2H-chromene-4-thiolate anion is generated in situ by treatment of 4-chloro-3-formylcoumarin with sodium sulfide. ... -
Laboratory challenges in the diagnosis of hepatitis E virus.
( Microbiology Society , 2018 , Article Review)Hepatitis E virus (HEV) is an RNA virus that is an important cause of both acute and chronic hepatitis worldwide. To date, there are eight HEV genotypes that can infect mammals. HEV-1 and HEV-2 infect exclusively humans, ... -
Laboratory Test Utilization Practices in Hamad Medical Corporation; Role of Laboratory Supervisors and Clinicians in Improper Test Utilization; a Descriptive Pilot Study
( Dove Press , 2022 , Article)Background: The use of diagnostic laboratory tests is increasing worldwide. Improper test utilization (ITU) is a common problem for all healthcare systems as it costs substantial expenses for the health systems and impacts ... -
Laboratory testing efficiency during the COVID pandemic: Findings from the Primary Health Care Corporation laboratories in the State of Qatar
( Elsevier Ltd , 2024 , Article)Background Little is known about how the COVID-19 pandemic altered laboratory testing efficiency in the State of Qatar. The aim of this study was to assess laboratory testing efficiency with respect to the total number ... -
Laparoscopic management of intestinal obstruction in a young adult with a virgin abdomen: Unusual presentation of combined vitellointestinal duct remnants: A clinical case report.
( Wiley Open Access , 2024 , Article)In an 18-year-old, Meckel's diverticulum and a rare vitellointestinal fibrous band caused bowel obstruction. Clinicians should be vigilant for such anomalies, especially in young adults with virgin abdomens, as potential ... -
Learning from their experiences: Strategies used by youth and young adult ex-vapers
( Elsevier , 2023 , Article)IntroductionThe prevalence of vaping among youth and young adults (YYAs; 16–18 and 19–24 years old, respectively) is moderate worldwide. Existing vaping cessation evidence lacks input from ex-vapers with a history of regular ... -
Legal approaches to risk of harm in genetic counseling: perspectives from Quebec and Qatar
( Frontiers Media SA , 2023 , Article)Genetic counseling is a fast-growing profession worldwide, with genetic counselors taking on increasingly comprehensive and autonomous roles in the healthcare sector. However, the absence of appropriate legal frameworks ... -
Leprosy: Comprehensive insights into pathology, immunology, and cutting-edge treatment strategies, integrating nanoparticles and ethnomedicinal plants
( Frontiers Media , 2024 , Article Review)Mycobacterium leprae is the causative agent responsible for the chronic disease known as leprosy. This condition is characterized by dermal involvement, often leading to peripheral nerve damage, sensory-motor loss, and ... -
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, ... -
Lipidomics for the Prediction of the Unstable Coronary Plaque
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference)Plaques that build up in the lining of the coronary arteries are made up of lipids, inflammatory cells, smooth muscle cells and connective tissue. Thormbosis of a not necessarily occlusive but unstable plaque most often ... -
Long-term COVID-19 booster effectiveness by infection history and clinical vulnerability and immune imprinting: a retrospective population-based cohort study
( Elsevier , 2023 , Article)BackgroundLong-term effectiveness of COVID-19 mRNA boosters in populations with different previous infection histories and clinical vulnerability profiles is inadequately understood. We aimed to investigate the effectiveness ... -
Low risk of serological cross-reactivity between the dengue virus and SARS-CoV-2 IgG antibodies using advanced detection assays.
( Karger , 2022 , Report)Several studies have reported serological cross-reactivity of the immune responses between SARS-CoV-2 and DENV. Most of the available studies are based on the point of care (POC) rapid testing kits. However, some rapid ... -
Machine learning for predicting outcomes of transcatheter aortic valve implantation: A systematic review
( Elsevier , 2025 , Article)BackgroundTranscatheter aortic valve implantation (TAVI) therapy has demonstrated its clear benefits such as low invasiveness, to treat aortic stenosis. Despite associated benefits, still post-procedural complications might ... -
Macrophage Infection by Mycobacteria
( OMICS International , 2016 , Article)Mycobacterium tuberculosis is the etiological agent of tuberculosis. It is a pathogen that continues to draw international concerns particularly due to the emergence of multi-drug resistance and to the difficulties ... -
Management of chronic myeloid leukaemia: current treatment options, challenges, and future strategies.
( taylor and francis online , 2023 , Article)Small molecule therapy is a critical component of targeted anticancer treatment, with tyrosine kinase inhibitors (TKIs) being the first compounds to treat the clonal Chronic Myelogenous Leukaemia (CML) translocation t ... -
Mangifera indica L. kernel ethanol extract inhibits cell viability and proliferation with induction of cell cycle arrest and apoptosis in lung cancer cells
( Taylor and Francis Ltd. , 2024 , Article)In this study, we investigated the effects of an ethanolic extract of Mangifera indica L. kernel on the viability and proliferation of human lung cancer cells. We utilized MTT and BrdU cell proliferation assays, morphological ... -
The march of pluripotent stem cells in cardiovascular regenerative medicine.
( BMC , 2018 , Article Review)Cardiovascular disease (CVD) continues to be the leading cause of global morbidity and mortality. Heart failure remains a major contributor to this mortality. Despite major therapeutic advances over the past decades, a ... -
Marjoram Relaxes Rat Thoracic Aorta Via a PI3-K/eNOS/cGMP Pathway.
( MDPI , 2019 , Article)Despite pharmacotherapeutic advances, cardiovascular disease (CVD) remains the primary cause of global mortality. Alternative approaches, such as herbal medicine, continue to be sought to reduce this burden. is recognized ... -
Markers associated with covid-19 susceptibility, resistance, and severity
( MDPI AG , 2021 , Article Review)In December 2019, the latest member of the coronavirus family, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), emerged in Wuhan, China, leading to the outbreak of an unusual viral pneumonia known as coronavirus ... -
Mass Spectrometry, Structural Analysis, and Anti-Inflammatory Properties of Photo-Cross-Linked Human Albumin Hydrogels
( American Chemical Society , 2022 , Article)Albumin-based hydrogels offer unique benefits such as biodegradability and high binding affinity to various biomolecules, which make them suitable candidates for biomedical applications. Here, we report a non-immunogenic ...
