Publications by authors named "Tarek M"

Introduction: We aimed to explore if anatomical and technical features could interact and favor the chances of reperfusion according to the treatment strategy: combined technique (CoT) of mechanical thrombectomy (MT) with contact aspiration and stent-retriever (SR) versus SR alone.

Methods: Retrospective analysis of a prospective MT database for carotid terminus or MCA-M1 occlusion, first-line SR alone or CoT, and angiographic run with SR deployed on the first pass. The primary analysis involved the interaction between clinical and angiographic characteristics and first-line MT modality on first-pass effect (FPE; first pass eTICI2c-3).

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Data about the effect of Ramadan fasting on seizure control among adolescents with epilepsy (AWE) is scarce. Several psycho-behavioral problems have also been encountered in this teenage group. This study aimed to assess seizure frequency and behavioral outcomes after Ramadan fasting in a sample of AWE METHODS: In this prospective study, AWE who completed fasting during Ramadan 2024 were evaluated regarding the seizure frequency of each type during Shaban (the month immediately preceding Ramadan) and Ramadan.

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Background & Objectives: Postpartum depression is a debilitating mental health condition that consequently can negatively impact the mother/infant unit. This study aimed to screen for postpartum depression among women with epilepsy (WWE) versus healthy women and its consequences on establishing a proper mother-infant bonding.

Methods: A group of WWE (n = 102) and a control group of healthy women (n = 119) were evaluated 4-6 weeks postpartum.

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X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM) were used to investigate the structural, surface and particles properties of a series of zinc oxides (ZnO) doped with polyvinyl alcohol (PVA) that were prepared using the sol-gel method. The results demonstrated that the crystallinity of the catalysts decreased as the PVA content increased beyond 5 PVA/ZnO. However, on raising the calcination temperature up to 500 °C, the average crystal size of the PVA/ZnO nanoparticles increased.

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Autophagy is a molecular process essential for maintaining cellular homeostasis, with its impairment or dysregulation linked to the progression of various diseases in mammals. Specific lipids, including phosphoinositides, sphingolipids, and oxysterols, play pivotal roles in inducing and regulating autophagy, highlighting their significance in this intricate process. This review focuses on the critical involvement of these lipids in autophagy and lipophagy, providing a comprehensive overview of the current understanding of their functions.

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Diaphragmatic fibromatosis is an exceptionally rare condition, with only 2 previously reported cases in the literature. We present the case of a 23-year-old woman with a left hypochondrial swelling measuring 19×18×13 cm on computed tomography. An endoscopic ultrasound-guided biopsy indicated low-grade papillary proliferation.

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Article Synopsis
  • - The study investigates how heavy metals and trace elements (HMTE) contribute to bladder cancer (BC), focusing on mechanisms such as mitochondrial dysfunction, oxidative stress, and specific protein kinases.
  • - Researchers analyzed samples from 125 BC patients and 72 controls, measuring various heavy metals and assessing genetic markers related to mitochondrial function and oxidative stress using advanced laboratory techniques.
  • - Results revealed that elevated levels of several heavy metals in BC tissues correlated with increased expression of certain genes and markers associated with mitochondrial dysfunction and oxidative stress, highlighting the need to reduce exposure to these toxic elements to potentially lower BC risk.
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Indacaterol, a β agonist prescribed for long-term management of patients with chronic obstructive pulmonary disease and asthma. In this study the first MISPE cartridges was developed using indacaterol as a template for its selective extraction from rat lung tissues, enabling precise pharmacokinetic evaluation at the drug's site of action. A molecular imprinting polymer was synthesized using indacaterol as a template, methacrylic acid as a functional monomer and ethylene glycol dimethacrylate as a cross-linker with a molar ratio (1: 4: 20).

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DNA splice junction classification is a crucial job in computational biology. The challenge is to predict the junction type (IE, EI, or N) from a given DNA sequence. Predicting junction type is crucial for understanding gene expression patterns, disease causes, splicing regulation, and gene structure.

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Owing to recent advancements in cryo-electron microscopy, voltage-gated ion channels have gained a greater comprehension of their structural characteristics. However, a significant enigma remains unsolved for a large majority of these channels: their gating mechanism. This mechanism, which encompasses the conformational changes between open and closed states, is pivotal to their proper functioning.

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  • Researchers synthesized moisture-stable CsSnBrCl nanoparticles by adding Cl to CsSnBr halide perovskite using the hot injection method, and confirmed their stability after 75 days in water through various analyses.
  • The electrochemical performance of CsSnBrCl nanoparticles was compared to pristine CsSnBr in a three-electrode system across different aqueous electrolytes, revealing that CsSnBrCl showed better performance metrics such as increased cyclic voltammetry area and improved charge-discharge characteristics.
  • The nanoparticles proved suitable for various applications like batteries and supercapacitors, demonstrating high capacitance in HCl, excellent stability in NaSO, and potential in KOH for water splitting.
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Introduction: The recently developed MR-PREDICTS@24 h model showed excellent performance in the MR-CLEAN Registry cohort in patients presenting within 12 h from onset. However, its applicability to an U.S.

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Article Synopsis
  • The eTICI score, previously validated for large proximal artery occlusions (pLAOs), has not been fully tested for distal medium vessel occlusions (DMVOs), prompting this study to assess its reliability in DMVO cases.
  • Researchers conducted a retrospective analysis of data from a stroke center, where two specialists independently evaluated angiograms, comparing their eTICI score assessments.
  • Results showed that eTICI scores for DMVO demonstrated almost-perfect agreement among raters, comparable to pLAO cases, indicating that eTICI can be reliably used for DMVOs, but more studies are needed to explore its connection to clinical outcomes.
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  • The paper presents a real-time air quality index dataset from three locations in Bangladesh: Kuril Bishow Road, Uttara, and Tongi, using IoT sensors to measure various pollutants.
  • Data was collected and stored in a large dataset containing over 155,000 rows, with air quality as the target variable and several pollutants as independent variables.
  • The findings indicate that Uttara and Kuril have better air quality compared to Tongi, with the Random Forest algorithm proving to be the most effective for data analysis; this dataset aids researchers studying environmental issues.
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Background: Carotid web (CaW)-related contrast stagnation on digital subtraction angiography (DSA) may be a marker supporting the pathophysiological theory of stasis and thrombosis/embolization. We aim to assess the correlation between DSA hemodynamic parameters with CT angiography (CTA) structural measurements and clinical characteristics.

Methods: Cross-sectional analysis of consecutive patients with CaW who underwent CTA+DSA.

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Copper-Vit B MOF was successfully prepared by efficient and eco hydrothermal method. The prepared MOF was characterized as a tetragonal crystal copper-MOF nanoparticles by FTIR, SEM, TEM, EDX and XRD. The prepared nanoparticles were used as an effective, inexpensive and low-toxic catalyst in the one-pot synthesis of some new benzoxanthenone derivatives.

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Rheumatoid arthritis (RA) is a debilitating autoimmune condition characterized by chronic synovitis, joint damage, and inflammation, leading to impaired joint functionality. Existing RA treatments, although effective to some extent, are not without side effects, prompting a search for more potent therapies. Recent research has revealed the critical role of FAS-associated death domain protein (FADD) microvesicular shedding in RA pathogenesis, expanding its scope beyond apoptosis to include inflammatory and immune pathways.

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Background: The COVID-19 lockdown significantly impacted dietary habits and body weights globally, particularly in Egypt, where 57.03% of the population resides in rural areas, despite lack of information. The study examines the impact of COVID-19 lockdown on the weight changes of the rural Egyptian population through behavioral, physical, and dietary changes.

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Nanosecond pulsed electric field (nsPEF) has emerged as a promising approach for inducing cell death in melanoma, either as a standalone treatment or in combination with chemotherapeutics. However, to date, there has been a shortage of studies exploring the impact of nsPEF on the expression of cancer-specific molecules. In this investigation, we sought to assess the effects of nsPEF on melanoma-specific MAGE (Melanoma Antigen Gene Protein Family) expression.

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Background: Carotid free-floating thrombus (CFT) is a rare cause of stroke describing an intraluminal thrombus that is loosely associated with the arterial wall and manifesting as a filling defect fully surrounded by flow on vascular imaging. Unfortunately, there is no clear consensus among experts on the ideal treatment for this pathology.

Methods: Retrospective analysis of acute ischemic stroke (AIS) and transient ischemic attack (TIA) patients diagnosed with CFT on computed tomography angiogram (CTA) between January 2015-March 2023.

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Optimal Transport (OT) is a mathematical framework that first emerged in the eighteenth century and has led to a plethora of methods for answering many theoretical and applied questions. The last decade has been a witness to the remarkable contributions of this classical optimization problem to machine learning. This paper is about where and how optimal transport is used in machine learning with a focus on the question of scalable optimal transport.

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The most studied functional amyloid is the CsgA, major curli subunit protein, which is produced by numerous strains of Enterobacteriaceae. Although CsgA sequences are highly conserved, they exhibit species diversity, which reflects the specific evolutionary and functional adaptability of the major curli subunit. Herein, we performed bioinformatics analyses to uncover the differences in the amyloidogenic properties of the R4 fragments in Escherichia coli and Salmonella enterica and proposed four mutants for more detailed studies: M1, M2, M3, and M4.

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Article Synopsis
  • Early changes in endovascular therapy (EVT) techniques for ischemic stroke can impact reperfusion outcomes, particularly after initial failed attempts.
  • Switching from stent retriever (SR) to combined technique (CT) after two unsuccessful passes significantly improves chances of achieving complete/near-complete reperfusion (eTICI 2c-3).
  • Adjusting strategy from contact aspiration (CA) to CT also shows improved outcomes, while changing from CA to SR had no significant benefits, highlighting the importance of flexible approaches in EVT.
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Background: Pubic hair grooming involves the partial or complete removal of pubic hair, and it is a common practice among men and women. Grooming is more prevalent in women, who employ various methods such as shaving, waxing and laser removal. However, it is associated with variable rates of post-grooming adverse outcomes including lacerations and sexually transmitted infections (STIs).

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The present study aimed to explore the potential ameliorative effect of apigenin (APG) against diabetes-associated genitourinary complications in rats. A diabetic rat model was induced by the intraperitoneal injection of streptozotocin (STZ). All experimental animals were treated with vehicle or vehicle plus APG at a dose of 0.

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