Browsing Biomedical Sciences by Title
Now showing items 484-503 of 711
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Obesity is associated with depression in Malaysian schoolchildren: A cross-sectional study
( Universitas Indonesia , 2020 , Article)Background: Overweight and obesity, which may lead to depression, have become prevalent among children worldwide. Hence, this study aimed to measure obesity and depression among schoolchildren in Kuantan. Methods: This ... -
Obesity is associated with the upregulation of TLR4 protein but not associated with polymorphisms of TLR4D299G TLR4T399I
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)Title: Obesity is associated with the upregulation of TLR4 protein but not associated with polymorphisms of TLR4D299G TLR4T399I.Background: Toll-like-receptor 4 (TLR4) is a pathogen-specific receptor, expressed in white ... -
One Year of SARS-CoV-2: Genomic Characterization of COVID-19 Outbreak in Qatar
( Frontiers , 2021 , Article)Qatar, a country with a strong health system and a diverse population consisting mainly of expatriate residents, has experienced two large waves of COVID-19 outbreak. In this study, we report on 2634 SARS-CoV-2 whole-genome ... -
An optimized CT-dense agent perfusion and micro-CT imaging protocol for chick embryo developmental stages.
( BMC , 2024 , Article)Compared to classical techniques of morphological analysis, micro-CT (μ-CT) has become an effective approach allowing rapid screening of morphological changes. In the present work, we aimed to provide an optimized micro-CT ... -
Organ-specific toxicity evaluation of stearamidopropyl dimethylamine (SAPDMA) surfactant using zebrafish embryos
( Elsevier , 2020 , Article)Surfactants are widely used in the industry of detergents, household products, and cosmetics. SAPDMA is a cationic surfactant that is used mostly in cosmetics, conditioning agents and has recently gained attention as a ... -
Organoboronic acids/esters as effective drug and prodrug candidates in cancer treatments: challenge and hope
( Taylor and Francis Ltd. , 2023 , Article Review)Boronic acids/esters have recently emerged in the field of medicinal and pharmaceutical research due to their exceptional oxophilicity, low toxicity, and unique structure. They are known as potent enzyme inhibitors, cancer ... -
An Overview of Nanoparticle Protein Corona Literature
( Wiley-Blackwell , 2023 , Article)The protein corona forms spontaneously on nanoparticle surfaces when nanomaterials are introduced into any biological system/fluid. Reliable characterization of the protein corona is, therefore, a vital step in the development ... -
Oxidative stress cytotoxicity induced by platinum-doped magnesia nanoparticles in cancer cells
( Elsevier , 2021 , Article)The aim of this study was to prepare, characterize, and determine the in vitro anticancer effects of platinum-doped magnesia (Pt/MgO) nanoparticles. The chemical compositions, functional groups, and size of nanoparticles ... -
Oxidative stress-induced Akt downregulation mediates green tea toxicity towards prostate cancer cells
( Elsevier , 2017 , Article)Green tea consumption has been shown to possess cancer chemopreventive activity. Polyphenol E (PE) is a widely used standardized green tea extract formulation. This study was designed to investigate the impact of PE on ... -
Oxidative Stress-Induced Endothelial Dysfunction in Cardiovascular Diseases
( IMR Press , 2022 , Article Review)Cardiovascular disease (CVD) is a major cause of mortality worldwide. A better understanding of the mechanisms underlying CVD is key for better management or prevention. Oxidative stress has been strongly implicated in the ... -
P3. 210 Estimating the antibody prevalence of herpes simplex virus type 2 among select middle east and north africa populations
( BMJ Publishing Group , 2017 , Conference Proceedings)Introduction There are very limited data on herpes simplex virus type 2 (HSV-2) infection in the Middle East and North Africa (MENA). We examined the overall and age-specific HSV-2 antibody prevalence among select MENA ... -
Pathogenic Homocystinuria-Associated T236N Mutation Dramatically Alters the Biochemical Properties of Cystathionine Beta-Synthase Protein
( MDPI , 2024 , Article)Background: Cystathione beta-synthase (CBS) T236N is a novel mutation associated with pyridoxine non-responsiveness, which presents a significant difficulty in the medical treatment of homocystinuria. Reported severe ... -
Performance Analysis of DCT and DWT Algorithms in Image Steganography
( Qatar University Press , 2021 , Poster)Frequency domain techniques such as Discrete Cosine Transform (DCT) and Discrete Wavelet Transform (DWT) ensures high accuracy when compared with the spatial domain techniques. Therefore, these image steganographic methods ... -
Performance evaluation of five commercial assays in assessing seroprevalence of HEV antibodies among blood donors
( Microbiology Society , 2018 , Article)Although hepatitis E virus (HEV) is mainly transmitted via the faecal-oral route, the rate of HEV transmission via blood donation is on the rise. However, the seroprevalence of HEV among blood donors is not well established ... -
Performance evaluation of five ELISA kits for detecting anti-SARS-COV-2 IgG antibodies
( Elsevier , 2020 , Article)ObjectivesTo evaluate and compare the performances of five commercial ELISA assays (EDI, AnshLabs, Dia.Pro, NovaTec, and Lionex) for detecting anti-SARS-CoV-2 IgG. Methods70 negative control samples (collected before the ... -
Performance evaluation of four type-specific commercial assays for detection of herpes simplex virus type 1 antibodies in a Middle East and North Africa population.
( Elsevier , 2018 , Article)The number of diagnostic assays for the detection of herpes simplex virus type 1 (HSV-1) antibodies has increased over the years. However, their performance characteristics could vary among global populations. To investigate ... -
Performance evaluation of novel fluorescent-based lateral flow immunoassay (LFIA) for rapid detection and quantification of total anti-SARS-CoV-2 S-RBD binding antibodies in infected individuals
( Elsevier , 2022 , Article)The vast majority of the commercially available LFIA is used to detect SARS-CoV-2 antibodies qualitatively. Recently, a novel fluorescence-based LIFA test was developed for quantitative measurement of the total binding ... -
Performance of Four Diagnostic Assays for Detecting Herpes Simplex Virus Type 2 Antibodies in the Middle East and North Africa
( Elsevier , 2019 , Article)Background Assessments of commercial assays in detecting herpes simplex virus type 2 (HSV-2) antibodies have shown variable sensitivity and specificity, and variation in performance by global population. Objective To ... -
Pfizer-BioNTech mRNA BNT162b2 Covid-19 vaccine protection against variants of concern after one versus two doses.
( Oxford University Press , 2021 , Article)Strategies for rolling out vaccination against Coronavirus Disease 2019 (Covid-19) varied across countries. A key question is whether delaying administration of the second vaccine dose to vaccinate the largest number of ... -
Physicochemical characterization and cancer cell antiproliferative effect of silver-doped magnesia nanoparticles
( Elsevier , 2023 , Article)Silver-doped magnesia nanoparticles (Ag/MgO) were synthesized using the precipitation method and characterized by various techniques such as X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), thermal ...