11,395 results match your criteria: "University of Doha For Science & Technology[Affiliation]"

Emerging Threats: Antimicrobial Resistance in Extended-Spectrum Beta-Lactamase and Carbapenem-Resistant Escherichia coli.

Microb Pathog

January 2025

Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka 72388, Saudi Arabia. Electronic address:

Antimicrobial resistance (AMR) in Escherichia coli strains, particularly those producing Extended-Spectrum Beta-Lactamase (ESBL) and Carbapenemase (CR-Ec), represents a serious global health threat. These resistant strains have been associated with increased morbidity, mortality, and healthcare costs, as they limit the effectiveness of standard antibiotic therapies. The prevalence of ESBL- and CR-Ec-producing strains continues to rise, driven by the overuse and misuse of antibiotics in healthcare and agricultural settings, and facilitated by global interconnectedness through international travel, trade, and food distribution.

View Article and Find Full Text PDF

Math anxiety (MA) is a prevalent academic anxiety that can affect student mental health and academic performance worldwide. Using a very large sample of students in grades 7 to 10 (N = 7172) in Qatar, the present study examined the associations among gender, math anxiety, and attitudes towards Science, Technology, Engineering, and Mathematics (STEM). In addition, the factorial structure of the "Student Attitudes towards STEM Survey" (STEM-S) was examined.

View Article and Find Full Text PDF

Introduction: Ebola virus (EBOV) is a highly lethal RNA virus that causes severe hemorrhagic fever in humans and non-human primates. The lack of effective treatment or vaccine for this pathogen poses a serious threat to a global pandemic. Therefore, it is imperative to explore new drugs and therapies to combat this life-threatening infection.

View Article and Find Full Text PDF

Introduction: This study aimed to assess the root resorption and alveolar bone changes of maxillary incisors volumetrically and 3-dimensionally in patients with Class II Division 1 malocclusion who underwent treatments involving the extraction of 4 first premolars with conventional fixed appliances (FAs) vs clear aligners (CAs).

Methods: A total of 320 maxillary incisors from 80 patients were assessed and divided into 2 groups (FAs and CAs), each possessing similar baseline characteristics. Pretreatment and posttreatment cone-beam computed tomography scans were used to analyze linear and volumetric orthodontically induced inflammatory root resorption, alveolar bone thickness (ABT), alveolar bone height (ABH), as well as anteroposterior and vertical movements of maxillary incisors.

View Article and Find Full Text PDF

Background: Renal adverse drug reactions (ADRs) associated with tyrosine kinase inhibitors (TKIs) in the treatment of chronic myeloid leukemia (CML) are relatively rare, and there is currently no standardized protocol for their management. Therefore, this study aimed to summarize renal ADRs related to TKIs use in CML and propose an evidence-based approach to monitor and manage these ADRs.

Methods: A systematic literature review was performed to identify renal ADRs associated with TKIs in CML.

View Article and Find Full Text PDF

Aim: This narrative review explores the integration of artificial intelligence (AI) into nursing informatics and examines its impact on nursing practice, healthcare delivery, education, and policy.

Background: Nursing informatics, which merges nursing science with information management and communication technologies, is crucial in modern healthcare. The emergence of AI presents opportunities to improve diagnostics, treatment, and healthcare resource management.

View Article and Find Full Text PDF

Brain tumors present a significant global health challenge, and their early detection and accurate classification are crucial for effective treatment strategies. This study presents a novel approach combining a lightweight parallel depthwise separable convolutional neural network (PDSCNN) and a hybrid ridge regression extreme learning machine (RRELM) for accurately classifying four types of brain tumors (glioma, meningioma, no tumor, and pituitary) based on MRI images. The proposed approach enhances the visibility and clarity of tumor features in MRI images by employing contrast-limited adaptive histogram equalization (CLAHE).

View Article and Find Full Text PDF

Cigarette smoke extract induces p38-mediated expression and ROS/rho-mediated translocation of alpha 2C adrenoceptor in human microvascular smooth muscle cells.

Prog Cardiovasc Dis

January 2025

Department of Basic Medical Sciences, College of Medicine, QU Health, Qatar University, P.O. Box 2713, Doha, Qatar. Electronic address:

Raynaud's phenomenon (RP) is a vascular disease characterized by exaggerated vasoconstriction in response to stressors, mainly cold and emotional stress. This vasoconstriction is mediated solely by alpha 2C-adrenoceptors (α-AR) expressed in vascular smooth muscle cells of dermal arterioles. Several factors, among which is cigarette smoking, are associated with aggravated symptoms of and increased risk for RP.

View Article and Find Full Text PDF

Liquid-nano-liquid interface-oriented anisotropic encapsulation.

Proc Natl Acad Sci U S A

January 2025

Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, College of Chemistry and Materials, iChem (Collaborative Innovation Center of Chemistry for Energy Materials), Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, China.

Emulsion interface engineering has been widely employed for the synthesis of nanomaterials with various morphologies. However, the instability of the liquid-liquid interface and uncertain interfacial interactions impose significant limitations on controllable fabrications. Here, we developed a liquid-nano-liquid interface-oriented anisotropic encapsulation strategy for fabricating asymmetric nanohybrids.

View Article and Find Full Text PDF

Airway surgeries pose great challenges for the anesthesiologists as the airway is shared by them and the surgeon. It is of paramount importance to have control of the airway during such surgeries. Many techniques have been employed to provide uninterrupted oxygenation to the patient with or without the presence of a definitive airway.

View Article and Find Full Text PDF

Background: Pressure injury (PI) is a significant health issue and one of the greatest challenges in critical care units. Guidelines adherence to prevent PIs is not always optimal by critical care nurses. To our knowledge, there is no data about adherence to PI preventive guidelines among Jordanian critical care nurses, and this study aimed to fill this gap.

View Article and Find Full Text PDF

Objectives: The association between baseline laboratory parameters and experienced well-being in healthy individuals remains uncertain. This study explored the relationship between clinical laboratory profiles and Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) scores for pain, stiffness, and physical functional limitation in healthy individuals in Qatar.

Methods: Clinical laboratory data were collected from 1,764 Qatar Biobank participants who also completed the WOMAC questionnaire: lipid profiles (high-density lipoprotein, low-density lipoprotein, cholesterol, and triglycerides), endocrine markers (TSH, T3, T4, estradiol, and testosterone), and two inflammatory markers (CRP and fibrinogen).

View Article and Find Full Text PDF

Establishing links between drug registers and essential medicines lists.

Bull World Health Organ

January 2025

Population Health Sciences Institute, Newcastle University, Baddiley-Clark Building, Newcastle upon TyneNE2 4AX, England.

Access to essential medicines is still suboptimal in many countries. Recent studies examining the registration of medicines at the country level show that a considerable proportion of essential medicines do not have any corresponding products registered for use at the country level and therefore cannot be available at all times. Conversely, many non-essential medicines are registered by regulatory authorities for local markets, potentially facilitating inappropriate drug use and antimicrobial resistance.

View Article and Find Full Text PDF

Enhancing salt tolerance genetically through defining the genetic and physiological mechanisms intergenerational and transgenerational stress memory that contributes to sustainable agriculture by reducing the reliance on external inputs such as irrigation and improving the adaptability of barley to changing climate conditions. Salinity stress poses a substantial challenge to barley production worldwide, adversely affecting crop yield, quality, and agricultural sustainability. To address this, the present study utilized a genome-wide association san (GWAS) to identify genetic associations underlying intergenerational and transgenerational stress memory in response to salinity in a diverse panel of 138 barley accessions.

View Article and Find Full Text PDF

Single Precursor-Derived Sub-1 nm MoCo Bimetallic Particles Decorated on Phosphide-Carbon Nitride Framework for Sustainable Hydrogen Generation.

ACS Appl Mater Interfaces

January 2025

Energy and Process Engineering Division, School of Mechanical, Medical and Process Engineering, Science and Engineering Faculty, Queensland University of Technology, 2 George Street, Brisbane City, Queensland 4001, Australia.

The strategic design and fabrication of efficient electrocatalysts are pivotal for advancing the field of electrochemical water splitting (EWS). To enhance EWS performance, integrating non-noble transition metal catalysts through a cooperative double metal incorporation strategy is important and offers a compelling alternative to conventional precious metal-based materials. This study introduces a novel, straightforward, single-step process for fabricating a bimetallic MoCo catalyst integrated within a three-dimensional (3D) nanoporous network of N, P-doped carbon nitride derived from a self-contained precursor.

View Article and Find Full Text PDF

Aims: Mutations in the cardiac ryanodine receptor (RyR2) are associated with catecholaminergic polymorphic ventricular tachycardia (CPVT). This study investigates the underlying molecular mechanisms for CPVT mutations within the RyR2 N-terminus domain (NTD).

Methods And Results: We consulted the high-resolution RyR2 structure in both open and closed configuration to identify mutations G357S/R407I and A77T, which lie within the NTD intra- and inter-subunit interface with the Core Solenoid (CSol), respectively.

View Article and Find Full Text PDF

Objective: To evaluate the effects of age on semen and hormonal parameters following microsurgical varicocelectomy among patients with grade 3 varicocele, and to compare fertility outcomes between younger (<40 years) and older (≥40 years) men.

Methods: Retrospective cohort study of infertile patients with clinical left grade 3 varicocele who underwent microsurgical subinguinal varicocelectomy (MV). Patients meeting the inclusion criteria ( = 550) were divided into two groups based on their age at the time of MV: <40 ( = 441) and ≥40 years ( = 109).

View Article and Find Full Text PDF

The aim of this work was to describe the DNA methylation signature and to identify genes associated with neuropathic pain in type 2 diabetes mellitus. We analyzed two independent diabetic neuropathy cohorts: PROPGER consisting of 72 painful and 67 painless patients recruited at the German Diabetes Center in Düsseldorf (DE), and PROPENG comprising 27 painful and 65 painless diabetic neuropathy patients recruited at the University of Manchester (UK). Genome-wide methylation data was generated using Illumina Infinium Methylation EPIC v1.

View Article and Find Full Text PDF

Equity in Basic Medical Education accreditation standards: a scoping review protocol.

BMJ Open

January 2025

Department of Mental Health, Psychiatry & Behavioural Sciences, Peshawar Medical College, Riphah International University, Peshawar, Pakistan.

Introduction: Accreditation in Health Professions Education is a pivotal process to ensure the quality of medical institutions and health professionals. ' is an umbrella term reflecting the principles of justice and support to disadvantaged entities according to their needs. While commonly applied to various domains in medical education, there is potential to determine how ' is considered or discussed while practically implementing accreditation standards for Basic Medical Education (BME) globally.

View Article and Find Full Text PDF

Background/objectives: This study aimed to fabricate, optimize, and characterize nanostructured lipid carriers (NLCs) loaded with trans-resveratrol (TRES) as an anti-cancer drug for pulmonary drug delivery using medical nebulizers.

Methods: Novel TRES-NLC formulations (F1-F24) were prepared via hot, high-pressure homogenization. One solid lipid (Dynasan 116) was combined with four liquid lipids (Capryol 90, Lauroglycol 90, Miglyol 810, and Tributyrin) in three different ratios (10:90, 50:50, and 90:10 /), with a surfactant (Tween 80) in two different concentrations (0.

View Article and Find Full Text PDF

Ketamine HCl, an FDA-approved therapeutic, is administered through various routes, including intranasal delivery. Administering an adequate therapeutic dose of intranasal ketamine HCl is challenging due to the limited volume that can be delivered intranasally given the current commercially available concentrations. This study investigates solubilizing strategies to enhance the aqueous solubility of ketamine HCl for intranasal administration.

View Article and Find Full Text PDF

Background/objectives: Baobab ( L.) is an underutilized species and edible parts (fruits, leaves and seeds) contribute to food security and human health in tropical areas. Although the fruits have attracted greater research interest and have recently been approved for consumption in EU countries, the leaves are traditionally consumed but they have yet to be studied from an interventional perspective.

View Article and Find Full Text PDF

Genetic Variant Analyses Identify Novel Candidate Autism Risk Genes from a Highly Consanguineous Cohort of 104 Families from Oman.

Int J Mol Sci

December 2024

Neurological Disorder Research Center, Qatar Biomedical Research Institute (QBRI), Hamad Bin Khalifa University (HBKU), Qatar Foundation, Doha P.O. Box 5825, Qatar.

Deficits in social communication, restricted interests, and repetitive behaviours are hallmarks of autism spectrum disorder (ASD). Despite high genetic heritability, the majority of clinically diagnosed ASD cases have unknown genetic origins. We performed genome sequencing on mothers, fathers, and affected individuals from 104 families with ASD in Oman, a Middle Eastern country underrepresented in international genetic studies.

View Article and Find Full Text PDF

Sestrin2 (SESN2) is a stress-inducible protein known for its cytoprotective functions, but its role in diabetic vascular complications remains unclear. This study investigated the impact of SESN2 on methylglyoxal (MGO)-induced endothelial-mesenchymal transition (EndMT). Human endothelial cells were transfected with SESN2 siRNA duplexes to silence SESN2 expression, followed by MGO treatment.

View Article and Find Full Text PDF

GATA binding protein 3 (GATA3), a member of the GATA family transcription factors, is a key player in various physiological and pathological conditions. It is known for its ability to bind to the DNA sequence "GATA", which enables its key role in critical processes in multiple tissues and organs including the immune system, endocrine system, and nervous system. GATA3 also modulates cell differentiation, proliferation, and apoptosis via controlling gene expression.

View Article and Find Full Text PDF