Biomedical Research Center: Recent submissions
Now showing items 681-700 of 738
-
Cysteamine revisited: repair of arginine to cysteine mutations.
( Springer Verlag , 2017 , Article)Cysteamine is a small aminothiol endogenously derived from coenzyme A degradation. For some decades, synthetic cysteamine has been employed for the treatment of cystinosis, and new uses of the drug continue to emerge. In ... -
Colorimetric gold nanoparticles-based assay for direct detection of Clostridium difficile in clinical isolates from Qatar
( Academic Journals , 2017 , Article)Clostridium difficile infection (CDI) is a significant health problem worldwide. Control and prevention strategies of C. difficile horizontal transmission require assays with fast detection with high specificity and ... -
Seroprevalence of hepatitis E virus among blood donors in Qatar (2013-2016)
( Wiley , 2017 , Article)BACKGROUND Hepatitis E virus (HEV) is an RNA virus transmitted mainly through zoonotic transmission or fecal–oral route. More than 80% of Qatar's population are expatriates, including many coming from hyperendemic ... -
Qatar Biobank and Qatar Genome Programs Road Map
( OMICS International , 2015 , Article)Qatar Biobank “QBB” is a large-scale, long term medical research initiative for the population of Qatar, which will serve as a platform and driver of biomedical research to achieve benefits for Qatar’s communities. Following ... -
Synthesis, characterization, and antimicrobial properties of novel double layer nanocomposite electrospun fibers for wound dressing applications
( Dove Press , 2017 , Article)Herein, novel hybrid nanomaterials were developed for wound dressing applications with antimicrobial properties. Electrospinning was used to fabricate a double layer nanocomposite nanofibrous mat consisting of an upper ... -
Heart Function and Hemodynamics Analysis for Zebrafish Embryos
( Wiley , 2017 , Article)The zebrafish has emerged to become a powerful vertebrate animal model for cardiovascular research in recent years. Its advantages include easy genetic manipulation, transparency, small size, low cost, and the ability to ... -
Anti-cancer properties and mechanisms of action of thymoquinone, the major active ingredient of Nigella sativa
( Taylor & Francis , 2017 , Article)Over the past two decades, studies have documented the wide-range anti-cancer effects of Nigella sativa, known as black seed or black cumin. Thymoquinone (TQ), its major active ingredient, has also been extensively studied ... -
Seroprevalence of Toxoplasma gondii infection in feral cats in Qatar
( BioMed Central , 2017 , Article)Background: Cats are essential in the life cycle of Toxoplasma gondii as they can shed the environmentally resistant oocysts after acquiring infection. Human populations living in cities with high densities of feral cats ... -
The Interference of Notch1 target Hes1 affects cell growth, differentiation and invasiveness of glioblastoma stem cells through modulation of multiple oncogenic targets
( Impact Journals , 2017 , Article)The invasive and lethal nature of Glioblastoma multiforme (GBM) necessitates the continuous identification of molecular targets and search of efficacious therapies to inhibit GBM growth. The GBM resistance to chemotherapy ... -
Nanotubes Impregnated Human Olfactory Bulb Neural Stem Cells Promote Neuronal Differentiation in Trimethyltin-induced Neurodegeneration Rat Model
( Wiley , 2017 , Article)Neural stem cells (NSCs) are multipotent self-renewing cells that could be used in cellular-based therapy for a wide variety of neurodegenerative diseases including Alzheimer's diseases (AD), Parkinson's disease (PD), ... -
Chitosan gold nanoparticles for detection of amplified nucleic acids isolated from sputum
( Elsevier , 2017 , Article)A platform for nucleic acid detection employing chitosan and chitosan coated gold nanoparticles (AuNPs) was developed. Mycobacterium tuberculosis (MTB) was used as a model target. MTB DNA was extracted from sputum using ... -
Prevalence of anelloviruses (TTV, TTMDV, and TTMV) in healthy blood donors and in patients infected with HBV or HCV in Qatar
( BioMed Central , 2016 , Article)Background Anelloviruses (TTV, TTMV, and TTMDV) have been associated with non A-G hepatitis. The goal of the current study was to estimate the prevalence of these anelloviruses in Qatar. Methods A total of 607 blood ... -
The frequency of polycystic ovary syndrome in young reproductive females in Qatar
( Dove Medical Press , 2016 , Article)This was a prospective cross-sectional study in which 126 female students between the ages of 18 and 30 years were evaluated for the frequency of polycystic ovary syndrome (PCOS) through clinical interview, questionnaire, ... -
Associations of Vitamin D Receptor Polymorphism rs1544410 with Adiposity Phenotypes
( MedCrave , 2016 , Article)Background: Vitamin D receptor (VDR) is present on adipocytes, and many studies were performed to investigate the association between polymorphisms in VDR gene with obesity. However, in the Arab Gulf populations, whereas ... -
E5 and E6/E7 of high-risk HPVs cooperate to enhance cancer progression through EMT initiation
( Taylor & Francis , 2015 , Article)It is estimated that 10–20% of human carcinogenesis is linked to virus infection including papillomaviruses (HPVs). Moreover, since metastatic cancer disease is a major cause of morbidity and mortality in cancer patients, ... -
Cytotoxicity and physicochemical characterization of iron–manganese-doped sulfated zirconia nanoparticles
( Dove Press , 2015 , Article)Iron–manganese-doped sulfated zirconia nanoparticles with both Lewis and Brønsted acidic sites were prepared by a hydrothermal impregnation method followed by calcination at 650°C for 5 hours, and their cytotoxicity ... -
Reconstituted B cell receptor signaling reveals carbohydrate-dependent mode of activation
( Nature Publishing Group , 2016 , Article)Activation of immune cells (but not B cells) with lectins is widely known. We used the structurally defined interaction between influenza hemagglutinin (HA) and its cell surface receptor sialic acid (SA) to identify a B ... -
Preparation, characterization, and in ovo vaccination of dextran-spermine nanoparticle DNA vaccine coexpressing the fusion and hemagglutinin genes against Newcastle disease
( Dove Press , 2016 , Article)Plasmid DNA (pDNA)-based vaccines have emerged as effective subunit vaccines against viral and bacterial pathogens. In this study, a DNA vaccine, namely plasmid internal ribosome entry site-HN/F, was applied in ovo against ... -
Impact of single-walled carbon nanotubes on the embryo: a brief review
( Dove Press , 2016 , Article)Carbon nanotubes (CNTs) are considered one of the most interesting materials in the 21st century due to their unique physiochemical characteristics and applicability to various industrial products and medical applications. ... -
Fabrication & Characterization of 3D Electrospun Biodegradable Nanofibers for Wound Dressing, Drug Delivery and Other Tissue Engineering Applications
( Bentham Science , 2016 , Article)Background: The use of electrospinning technology (ET) in fabrication of threedimensional biodegradable electrospun nanofibers scaffolds (BENS) has recently gained considerable attention in tissue engineering. BENS are ...
