Publications by authors named "Khalil N"

Objective: The objective of this study is to present the clinical characteristics of immunoglobulin G4-related diseases (IgG4-RD) patients and describe associated overlap with autoimmune rheumatic diseases (ARDs).

Patients And Methods: This cross-sectional study included 81 patients with IgG4-RD who were recruited from 13 specialized rheumatology departments and centers across the country in collaboration with the Egyptian College of Rheumatology (ECR). Patients underwent a thorough history-taking and clinical examination.

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The purpose of this study was to explore the influence of a 12-month high-impact physical training program (descending stairs) on bone health in a group of young obese women who had undergone bariatric surgery (type sleeve). Fifty-two premenopausal women with a body mass index (BMI) > 35 kg/m (range: 35.06-60.

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  • Hyperlipidemia is linked to poor diet and inactivity, but prebiotics and probiotics, like those found in mushrooms and kefir milk, could help address its effects.
  • A study tested dried powdered mushrooms (DPM) and kefir milk (KM) on hyperlipidemic rats, showing significant improvements in health markers such as body weight, blood glucose, and lipid profiles when DPM and KM were included in their diet.
  • The findings suggest that the combination of DPM and KM could serve as functional foods to reduce hyperlipidemia and enhance gut health, but further research on humans is necessary.
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Despite herbal medicine being popular across the Mediterranean basin, there is no evidence in favor of COVID-19 infection. This study investigates the utilization and effects of medicinal plants in Italy, Lebanon, and Tunisia during COVID-19 and its effects on post-COVID-19 pandemics. We used a tailored, web-based "Google Form" questionnaire with the random sampling method.

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Background And Aims: We aimed to assess the levels of hepatitis B and C knowledge, attitudes, and practices among medical students in Jordan. A survey included participation from medical students across all faculties in Jordan, from 2022 to 2023.

Methods: The data were analyzed with The R Statistical Software (v4.

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  • Itch is a common and debilitating issue for patients with inflammatory skin conditions, often leading to higher stress levels.
  • There is a bidirectional relationship between stress and itch, where each exacerbates the other, driven by a cycle of itching and scratching due to inflammation.
  • The review highlights the need for more research on the shared mechanisms of stress and itch to develop effective treatments that can improve patient outcomes.
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  • This study investigated the presence of specific bacteria in humans and birds in Baghdad, finding notably higher prevalence in birds (73.17%) compared to humans (20%).
  • Various antibiotic resistance patterns were noted, with many bird isolates showing multidrug resistance (MDR) and high Multiple Antibiotic Resistance (MAR) indices.
  • The research highlighted concerning trends in biofilm production, indicating a potential healthcare problem due to the combination of high MDR strains and weak biofilm formation in human samples.
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  • Golden berries (Physalis peruviana) are recognized for their neuroprotective qualities and traditional medicinal uses, prompting a study to assess their effectiveness against neurotoxicity caused by cyclophosphamide (CP).
  • The study utilized a combination of advanced chromatography and mass spectrometry to analyze the chemical composition of golden berries, alongside behavioral tests and histological evaluations in an animal model to gauge the neuroprotective effects of total leaf extract (TLE).
  • Results indicated that TLE significantly preserved hippocampal neurons and enhanced cognitive performance by reducing acetylcholinesterase activity and oxidative stress, while also restoring redox balance through the inhibition of inflammatory pathways.
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Background: Progressive pulmonary fibrosis (PFF) is of substantial interest for novel pharmacotherapy discovery, but little is known about clinical trial eligibility criteria. We evaluated eligibility criteria of PPF randomized controlled trials (RCTs), their representativeness in registry patients, and forced vital capacity (FVC) changes and mortality according to trial eligibility.

Methods: A systematic search was used to identify completed and in-progress phase II and III PPF RCTs.

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  • The study analyzes clinical features in juvenile systemic lupus erythematosus (J-SLE) to better classify its patient subgroups through cluster analysis.
  • A total of 404 patients were examined, leading to the identification of four distinct clinical phenotypes, each exhibiting different symptoms and disease severities.
  • The findings suggest a need for tailored therapies, highlighting the importance of including low-dose aspirin in treatment plans, while further research is necessary to confirm these phenotype patterns.
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Background: Regenerative endodontic procedures (REPs) offer the promise of restoring vitality and function to a previously necrotic and infected tooth. However, the nature of regenerated tissues following REPs remains unpredictable and uncontrollable. Decellularized extracellular matrix scaffolds have gained recent attention as scaffolds for regenerative endodontics.

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  • Upper tract transitional cell carcinoma is difficult to diagnose due to its common occurrence and varied symptoms.
  • A case involved a 48-year-old man with heart disease and a kidney stone, where high-grade carcinoma was found during ureteroscopy to remove the stone.
  • The unusual structure of the kidney's calyceal diverticulum may increase the risk of the cancer spreading, underscoring the need for careful surgical practices to prevent tumor cell dissemination.
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  • Acute liver failure (ALF) is a severe liver condition with high mortality, and this study explores a new treatment using nanoparticles made from glutathione (GSH) and virgin coconut oil (VCO) in rats.
  • Researchers evaluated the effectiveness of these treatments through various biochemical tests and histological examinations over seven days after inducing ALF in the rats.
  • The results showed that the nanoparticle treatments significantly improved liver function, reduced oxidative stress and inflammation, and decreased liver damage, indicating potential for new therapies in managing ALF.
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  • * Results revealed that individuals with severe GAD had significantly lower antioxidant intake compared to healthy individuals.
  • * Following 6 weeks of increased antioxidant supplementation, participants with GAD showed a significant reduction in anxiety scores, supporting a negative correlation between DAI and GAD.
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Objective: This study examined the impact of a short-term study abroad program, focusing on program evaluation, attendee satisfaction, and acquired knowledge and skills. A questionnaire survey was conducted covering various aspects including demographics, program evaluation, and feedback.

Results: Results indicated higher female participation due to gender imbalances in pharmacy students in Egypt, with senior students recognizing the value of international experience.

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This study developed and characterized hydrogels (HG-CGG) and films (F-CGG) based on cationic guar gum (CGG) for application in wound healing. HG-CGG (2% /) was prepared by gum thickening and evaluated for pH, stability, spreadability, and viscosity. F-CGG was obtained using an aqueous dispersion of CGG (6% /) and the solvent casting method.

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Dewatered sludge (DS) is a sewage sludge with a unique property due to extracellular polymeric substances (EPSs) and polymer flocculants. These components form a stable 3D polymer network to increase dewatering efficiency, leaving behind valuable materials such as lipids. This article explored the influences of DS particle size on lipid yield and the effects of extraction on the chemical, morphological, and thermal properties of the residual dewatered sludge (RDS).

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The integration of compatibilisers with thermoplastics has revolutionised the field of polymer composites, enhancing their mechanical, thermal, and rheological properties. This study investigates the synergistic effects of incorporating SEBS-g-MAH on the mechanical, thermal, and rheological properties of polycarbonate/acrylonitrile-butadiene-styrene/graphene oxide (PC/ABS/GO) (PAGO) and the properties of polycarbonate/acrylonitrile-butadiene-styrene/graphene oxide (PC/ABS/rGO) (PArGO) composites through the melt blending method. The synergistic effects on thermal stability and processability were analysed by using thermogravimetry (TGA), melt flow index (MFI), and Fourier-transform infrared spectroscopy (FTIR).

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Myocardial infarction (MI) causes hypoxic injury to downstream myocardial tissue, which initiates a wound healing response that replaces injured myocardial tissue with a scar. Wound healing is a complex process that consists of multiple phases, in which many different stimuli induce cardiac fibroblasts to differentiate into myofibroblasts and deposit new matrix. While this process is necessary to replace necrotic tissue, excessive and unresolved fibrosis is common post-MI and correlated with heart failure.

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  • * Non-selective NSAIDs can cause gastrointestinal issues and kidney damage due to their effect on both COX-1 and COX-2, while selective COX-2 inhibitors aim to reduce inflammation with fewer side effects on the stomach.
  • * Recent studies focus on developing new compounds that selectively target COX-2, offering safety benefits but also raising concerns about potential cardiovascular risks.
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We document a case of Rickettsia parkeri rickettsiosis in a patient in Connecticut, USA, who became ill after a bite from a Gulf Coast tick (Amblyomma maculatum). We used PCR to amplify R. parkeri DNA from the detached tick.

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Background: We aimed to study, for the first time in the Egyptian population, the relationship between the serum adiponectin level in knee osteoarthritis (KOA) patients and its correlation with clinical, radiological, and ultrasonographic characteristics. Additionally, investigate the relationship between the adiponectin (ADIPOQ) gene rs1501299 (+ 276G/T) polymorphism and KOA susceptibility and severity.

Methods: This case-control study enrolled 40 patients with primary KOA and 40 matched controls.

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