6,099 results match your criteria: "Sattam Bin Abdulaziz University[Affiliation]"

The NLRP3 (NOD-, LRR- and pyrin domain-containing protein 3) inflammasome is a well-known and frequently cited regulator of caspase-1 activation. It plays a significant role in several pathophysiological processes and is a major regulator of the innate immune response. A growing amount of scientific evidences for its aberrant activation in various chronic inflammatory diseases attracts a growing interest in the development of new NLRP3 inhibitors.

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Green tea has garnered increasing attention across age groups due to its numerous health benefits, largely attributed to Epigallocatechin 3-gallate (EGCG), its key polyphenol. EGCG exhibits a wide spectrum of biological activities, including antioxidant, anti-inflammatory, antibacterial, anticancer, and neuroprotective properties, as well as benefits for cardiovascular and oral health. This review provides a comprehensive overview of recent findings on the therapeutic potential of EGCG in various human diseases.

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Chronic kidney disease and aging: dissecting the p53/p21 pathway as a therapeutic target.

Biogerontology

December 2024

Centre for Global Health Research, Saveetha Medical College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India.

Chronic kidney diseases (CKD) are a group of multi-factorial disorders that markedly impair kidney functions with progressive renal deterioration. Aging contributes to age-specific phenotypes in kidneys, which undergo several structural and functional alterations, such as a decline in regenerative capacity and increased fibrosis, inflammation, and tubular atrophy, all predisposing them to disease and increasing their susceptibility to injury while impeding their recovery. A central feature of these age-related processes is the activation of the p53/p21 pathway signaling.

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DeBo: Contrast enhancement for image registration using binary differential evolution and bat optimization.

PLoS One

December 2024

Shanghai Key Laboratory of Navigation and Location-based Services, School of Sensing Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, P.R. China.

Image registration has demonstrated its significance as an essential tool for target recognition, classification, tracking, and damage assessment during natural catastrophes. The image registration process relies on the identification of numerous reliable features; thus, low resolutions, poor lighting conditions, and low image contrast substantially diminish the number of dependable features available for registration. Contrast stretching enhances image quality, facilitating the object detection process.

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Virtual reality (VR) technology has emerged as a ground-breaking tool in neuroscience, revolutionizing our understanding of neuroplasticity and its implications for neurological rehabilitation. By immersing individuals in simulated environments, VR induces profound neurobiological transformations, affecting neuronal connectivity, sensory feedback mechanisms, motor learning processes, and cognitive functions. These changes highlight the dynamic interplay between molecular events, synaptic adaptations, and neural reorganization, emphasizing the potential of VR as a therapeutic intervention in various neurological disorders.

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A novel approach for simulating and optimizing the production costing system.

Heliyon

December 2024

Department of Computer Science, College of Computer Engineering and Science, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia.

This paper presents a novel approach for simulating and optimizing production costing systems using linear programming. The proposed method employs a linear programming algorithm to simulate the behavior of production costs and to derive optimal solutions, including cost minimization, resource maximization, and economic returns. This approach has been implemented as a standard platform computer application, which automatically processes the costing system to reflect real-world behavior accurately.

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The long non-coding RNA Growth Arrest-Specific 5 (GAS5) is pivotal in modulating key signaling pathways by functioning as a molecular sponge for microRNAs (miRNAs). GAS5 is notably recognized for its antitumor properties, primarily through its ability to sequester oncogenic miRNAs, thereby influencing critical pathways such as p53, Wnt/β-catenin, and PI3K/Akt, all of which are integral to cell proliferation, apoptosis, and metastasis. The disruption of GAS5-miRNA interactions has been implicated in various malignancies, reinforcing its potential as both a biomarker and a therapeutic target.

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This manuscript explores the stability theory of several stochastic/random models. It delves into analyzing the stability of equilibrium states in systems influenced by standard Brownian motion and exhibit random variable coefficients. By constructing appropriate Lyapunov functions, various types of stability are identified, each associated with distinct stability conditions.

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Today the alarming situation of diabetes seeks innovative antidiabetic medications, especially those derived from natural sources, as natural substances are safer than manufactured pharmaceuticals. Therefore, this study investigated the inhibitory properties of mangiferin and friedelin against glucokinase (GK), dipeptidyl peptidase-IV (DPP-IV), α-amylase, and α-glucosidase using computational methods, in vitro enzyme assays, and in-depth ADMET analysis. The study utilized a computer-aided drug design approach to assess the potential therapeutic properties of mangiferin and friedelin as Type 2 diabetes mellitus (T2DM) therapeutic agents.

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Background: Excessive sun exposure is a significant risk factor for various skin conditions, including sunburn, premature aging, and skin cancer. This study aimed to assess the awareness, attitudes, and practices regarding sun exposure and sunscreen use among college students in Saudi Arabia.

Methodology: A cross-sectional study was conducted with 388 college students from various disciplines.

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As a future fuel, obtaining hydrogen from water could be a game changer for the renewable energy sector, because it has the potential to be used as an alternative to fossil fuels. The current project has been designed to develop catalysts that can produce hydrogen from water on irradiation by sunlight. For this purpose, CdS, Cu/CdS, Pd/CdS, and Cu-Pd/CdS catalysts were successfully synthesised and utilized for hydrogen generation.

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This study investigates the optical, mechanical, and antimicrobial properties of polypropylene (PP) fibers enhanced with titanium dioxide (TiO) and zinc oxide (ZnO) nanoparticles. Using a Mach-Zehnder interferometric system, we examined the refractive indices, birefringence, and opto-mechanical behavior of blank PP, PP/TiO, and PP/ZnO nanocomposite fibers under various conditions, including different polarization orientations and during cold drawing processes. The 2D Fourier transform algorithm is employed to analyze interferometric data, enabling precise measurements of refractive index profiles and birefringence.

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Burnout is a significant issue among healthcare professionals, particularly nurses, due to high workloads and emotional demands. However, limited research has explored burnout among primary healthcare nurses in Saudi Arabia, who play a vital role in healthcare delivery. This study aims to address this gap by investigating burnout levels and their association with anxiety, depression and self-efficacy among primary healthcare nurses.

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Pathological roles of lncRNA HOTAIR in liver cancer: An updated review.

Gene

March 2025

Medical Laboratory Technique College, the Islamic University, Najaf, Iraq; Medical Laboratory Technique College, the Islamic University of Al Diwaniyah, Al Diwaniyah, Iraq; Medical Laboratory Technique College, the Islamic University of Babylon, Babylon, Iraq.

Liver cancer ranks as the sixth most prevalent form of cancer and stands as the fourth leading cause of cancer-related fatalities on a global scale. The two primary types of liver cancer are hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma (ICC). While ICC originates from the bile ducts, HCC develops from hepatocytes, which are the primary functional cells of the liver.

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Several molecular strategies based on targeted gene delivery systems have been developed in recent years; however, the CRISPR-Cas9 technology introduced a new era of targeted gene editing, precisely modifying oncogenes, tumor suppressor genes, and other regulatory genes involved in carcinogenesis. However, efficiently and safely delivering CRISPR-Cas9 to cancer cells across the cell membrane and the nucleus is still challenging. Using viral vectors and nanoparticles presents issues of immunogenicity, off-target effects, and low targeting affinity.

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Traumatic spinal cord injury (TSCI) is a serious medical issue where there is a loss of sensorimotor function. Current interventions continue to lack the ability to successfully enhance these conditions, therefore, it is crucial to consider alternative effective strategies. Currently, we investigated the effects of fibrin scaffold encapsulated with epigallocatechin gallate (EGCG) microspheres in the recovery of SCI in rats.

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This study presents an eco-friendly approach to treat contaminated and turbid water through the development of cryogels loaded with bioactive compounds derived from Scenedesmus algal extract (ScAE) based on chitosan/poly(vinyl alcohol) (Cs/PVA) matrix. Scenedesmus sp., a green microalga known for its bioactive properties, was cultivated and processed to obtain extracts with coagulation potential.

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Liquid biopsies and exosomal ncRNA: Transforming pancreatic cancer diagnostics and therapeutics.

Clin Chim Acta

February 2025

Centre for Global Health Research, Saveetha Medical College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, India. Electronic address:

Pancreatic cancer is a highly fatal malignancy due to poor early detection rate and resistance to conventional therapies. This review examines the potential for liquid biopsy as a transformative technology to identify diagnostic and therapeutic targets in pancreatic cancer. Specifically, we explore emerging biomarkers such as exosomal non-coding RNAs (ncRNAs), circulating tumor DNA (ctDNA), and circulating tumor cells (CTCs).

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Effects of Physiotherapy Interventions for Poststroke Fatigue: A Systematic Review.

Stroke

January 2025

Department of Rehabilitation Sciences, College of Health and Rehabilitation Sciences, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia (W.A., A. Almuwais, S.A., Madawi Alotaibi).

Background: Poststroke fatigue affects half of global patients with stroke, causing early exhaustion, weariness, and dependence. Physiotherapy interventions like exercise and aerobic training are recommended to alleviate symptoms, but their effectiveness is not well supported. This review evaluates physiotherapy's effectiveness in treating poststroke fatigue in adults.

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In the contemporary context of a burgeoning energy crisis, the accurate and dependable prediction of Solar Radiation (SR) has emerged as an indispensable component within thermal systems to facilitate renewable energy generation. Machine Learning (ML) models have gained widespread recognition for their precision and computational efficiency in addressing SR prediction challenges. Consequently, this paper introduces an innovative SR prediction model, denoted as the Cheetah Optimizer-Random Forest (CO-RF) model.

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Background: Cerebral palsy (CP) covers a wide range of causes and symptoms. It is characterized by persistent motor and postural dysfunction caused by a non-progressing pathological lesion of the immature brain. Development of fine motor skills, such as the ability to manipulate objects with smaller muscles, is crucial for a child's development.

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Alzheimer's disease is the most prevalent form of dementia in the elderly, which is clinically characterized by a gradual and progressive deterioration of cognitive functions. The central and early role of β-amyloid in the pathogenesis of Alzheimer's disease is supported by a plethora of studies including genetic analyses, biomarker research and genome-wide association studies in both familial (early-onset) and sporadic (late-onset) forms of Alzheimer's. Monoclonal antibodies directed against β-amyloid demonstrate slowing of the clinical deterioration of patients with early Alzheimer's disease.

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Innovative nanocarrier systems for enhanced delivery of phyto-active compounds in cancer therapy.

Nanomedicine (Lond)

January 2025

Department of Pharmaceutical Sciences, Shalom Institute of Health & Allied Sciences, Sam Higginbottom University of Agriculture, Technology & Sciences, Allahabad, India.

Millions of people worldwide suffer from cancer, facing challenges such as treatments affecting healthy cells, suboptimal responses, adverse effects, recurrence risk, drug resistance, and nonspecific targeting. Chemoresistance leads to fatalities, but phytoactives show promise in cancer management despite limitations such as high metabolism, poor absorption, and high dosage requirements. Challenges in the large-scale isolation of phytoactive compounds, solubility, bioavailability, and targeting limit their development.

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Leishmaniasis continues to be a critical international health issue due to the scarcity of efficient treatment and the development of drug tolerance. New developments in the research of extracellular vesicles (EVs), especially exosomes, have revealed novel disease management approaches. Exosomes are small vesicles that transport lipids, nucleic acids, and proteins in cell signalling.

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Image processing and pattern recognition methods have recently been extensively implemented in histopathological images (HIs). These computer-aided techniques are aimed at detecting the attentive biological markers for assisting the final cancer grading. Mitotic count (MC) is a significant cancer detection and grading parameter.

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