keyword
https://read.qxmd.com/read/38652281/examining-the-contribution-of-notch-signaling-to-lung-disease-development
#1
REVIEW
Samar A Antar, Mohamed Kh ElMahdy, Ahmed G Darwish
Notch pathway is a widely observed signaling system that holds pivotal functions in regulating various developmental cellular functions and operations. The Notch signaling mechanism is crucial for lung homeostasis, damage, and restoration. Based on increasing evidence, the Notch pathway has been identified, as critical for fibrosis and subsequently, the development of chronic fibroproliferative conditions in various organs and tissues. Recent research indicates that deregulation of Notch signaling correlates with the pathogenesis of significant pulmonary conditions, particularly chronic obstructive pulmonary disease (COPD), pulmonary fibrosis, asthma, pulmonary arterial hypertension (PAH), lung carcinoma, and pulmonary abnormalities in some hereditary disorders...
April 23, 2024: Naunyn-Schmiedeberg's Archives of Pharmacology
https://read.qxmd.com/read/38651527/synergistic-effects-in-lanio-3-perovskites-between-nickel-and-iron-heterostructures-for-improving-durability-in-oxygen-evolution-reaction-for-aemwe
#2
JOURNAL ARTICLE
Nam In Kim, Jaehun Lee, Song Jin, Junyoung Park, Jae-Yeop Jeong, Jooyoung Lee, Yangdo Kim, Chiho Kim, Sung Mook Choi
Perovskite materials that aren't stable during the oxygen evolution reaction (OER) are unsuitable for anion-exchange membrane water electrolyzers (AEMWE). But through manipulating their electronic structures, their performance can further increase. Among the first-row transition metals, nickel and iron are widely recognized as prominent electrocatalysts; thus, the researchers are looking into how combining them can improve the OER. Recent research has actively explored the design and study of heterostructures in this field, showcasing the dynamic exploration of innovative catalyst configurations...
April 23, 2024: Small Methods
https://read.qxmd.com/read/38650418/-nephroprotective-value-of-n-acetylcysteine-for-patients-with-concomitant-trauma-as-well-as-other-aspects-of-the-use-of-this-drug-in-clinical-practice
#3
JOURNAL ARTICLE
A Miziev I, Kh Makhov M, B Makhova A, A Shiritova L, B Gubzhokova L
An analysis and review of domestic and foreign literature on the role of N-acetylcysteine in the correction of oxidative stress, as well as the problem of oxidative stress, and protection against free radicals are presented in the article. The important role of N-acetylcysteine in replenishing the intracellular glutathione level, which is the main cell antioxidant, has been shown, as well as the potential use of N-acetylcysteine for various pathological conditions and diseases. The relevance of concomitant injury and renal dysfunction, and the experience of the clinical use of N-acetylcysteine as a nephroprotector in patients with concomitant injury in the clinic of the Department of Faculty and Endoscopic Surgery of KBSU named after Kh...
March 2024: Urologii︠a︡
https://read.qxmd.com/read/38650400/-immunological-parameters-of-urine-in-differential-diagnosis-of-chronic-recurrent-cystitis-in-women
#4
JOURNAL ARTICLE
S Ibishev Kh, K Mamedov V, B Migacheva N, I Kogan M
INTRODUCTION: Chronic recurrent cystitis (CRC) is a complex multifaceted problem of modern uroinfectology. OBJECTIVE: To study the immunological parameters of urine in patients with chronic recurrent cystitis depending on the etiological factor. MATERIALS AND METHODS: The prospective study included 71 patients aged 20-45 years who had previously been diagnosed with recurrent lower urinary tract infection: chronic recurrent cystitis (CRC) during an exacerbation period...
March 2024: Urologii︠a︡
https://read.qxmd.com/read/38646209/leveraging-artificial-intelligence-and-machine-learning-to-optimize-enhanced-recovery-after-surgery-eras-protocols
#5
EDITORIAL
Zukhruf Zain, Mohammed Khaleel I Kh Almadhoun, Lara Alsadoun, Syed Faqeer Hussain Bokhari
Enhanced recovery after surgery (ERAS) protocols have transformed perioperative care by implementing evidence-based strategies to hasten patient recovery, decrease complications, and shorten hospital stays. However, challenges such as inconsistent adherence and the need for personalized adjustments persist, prompting exploration into innovative solutions. The emergence of artificial intelligence (AI) and machine learning (ML) offers a promising avenue for optimizing ERAS protocols. While ERAS emphasizes preoperative optimization, minimally invasive surgery (MIS), and standardized postoperative care, challenges such as adherence variability and resource constraints impede its effectiveness...
March 2024: Curēus
https://read.qxmd.com/read/38643917/exploring-the-mechanism-underlying-the-antifungal-activity-of-chitosan-based-zno-cuo-and-sio-2-nanocomposites-as-nanopesticides-against-fusarium-solani-and-alternaria-solani
#6
JOURNAL ARTICLE
Ekaterina Krumova, Dayana Benkova, Galina Stoyancheva, Vladislava Dishliyska, Jeny Miteva-Staleva, Aneliya Kostadinova, Kamen Ivanov, Kh El-Sayed, Galya Staneva, Hisham A Elshoky
Chitosan-based nanocomposites (CS NCs) are gaining considerable attention as multifaceted antifungal agents. This study investigated the antifungal activity of NCs against two phytopathogenic strains: Fusarium solani (F. solani) and Alternaria solani (A. solani). Moreover, it sheds light on their underlying mechanisms of action. The NCs, CS-ZnO, CS-CuO, and CS-SiO2 , were characterized using advanced methods. Dynamic and electrophoretic light scattering techniques revealed their size range (60-170 nm) and cationic nature, as indicated by the positive zeta potential values (from +16 to +22 mV)...
April 19, 2024: International Journal of Biological Macromolecules
https://read.qxmd.com/read/38641086/conformational-and-dynamic-properties-of-the-kh1-domain-of-fmrp-and-its-fragile-x-syndrome-linked-g266e-variant
#7
JOURNAL ARTICLE
Flavia Catalano, Daniele Santorelli, Alessandra Astegno, Filippo Favaretto, Marco D'Abramo, Alessandra Del Giudice, Maria Laura De Sciscio, Francesca Troilo, Giorgio Giardina, Adele Di Matteo, Carlo Travaglini-Allocatelli
The Fragile X messenger ribonucleoprotein (FMRP) is a complex, multi-domain protein involved in interactions with various macromolecules, including proteins and coding/non-coding RNAs. The three KH domains (KH0, KH1 and KH2) within FMRP are recognized for their roles in mRNA binding. In the context of Fragile X syndrome (FXS), over-and-above CGG triplet repeats expansion, three specific point mutations have been identified, each affecting one of the three KH domains (R138 QKH0, G266 EKH1, and I304N KH2) resulting in the expression of non-functional FMRP...
April 17, 2024: Biochimica et Biophysica Acta. Proteins and Proteomics
https://read.qxmd.com/read/38637701/palladium-anchored-to-bispyp-bilayer-sio-2-nmp-organic-inorganic-hybrid-as-an-efficient-and-recoverable-novel-nanocatalyst-in-suzuki-and-stille-c-c-coupling-reactions
#8
JOURNAL ARTICLE
Eid Ahmed Abdalrazaq, Hala Kh Mohammed, Daria K Voronkova, Sanjeev Kumar Joshi, Ebraheem Abdu Musad Saleh, Anaheed Hussein Kareem, Abhinav Kumar, Ahmed Alawadi, Ali Alslaami, Rohollah Fathollahi
The palladium anchored to BisPyP@bilayer-SiO2 @NMP organic-inorganic hybrid was employed as an effective and recyclable organometallic catalyst in Suzuki and Stille C-C coupling reactions. The structure of this magnetic nanocatalyst was determined using various techniques such as SEM, TEM, FT-IR, EDS, ICP-OES, VSM, N2 adsorption-desorption isotherms, XRD, and TGA. In both of the mentioned coupling paths, the yields of the products were very favorable and ranged from 90 to 98%. Also, they had significant features compared to previous reports, such as very short reaction time (5-15 and 7-20 min respectively in the Suzuki and Stille reactions), easy work-up, broad substrate scope, ease of separation of the catalyst using a magnet, suitable reproducibility of the catalyst in 6 runs, heterogeneous nature of the catalyst and not washing it during consecutive runs with confirmation of hot filtration and ICP-OES methods...
April 18, 2024: Scientific Reports
https://read.qxmd.com/read/38636638/are-the-radiological-and-molecular-features-of-pediatric-medulloblastomas-valuable-prognostic-indicators-a-10-year-retrospective-review-in-the-middle-east
#9
JOURNAL ARTICLE
Ahmad Kh Alhaj, Talal Burhamah, Fadil Mohammad, Mariam Almutawa, Fatima Dashti, Maryam Almurshed, Shakir Behzad, Matija Snuderl, Alya Hasan
BACKGROUND: Medulloblastomas are the most common malignant brain tumors in the pediatric population. Based on the idea that tumors with identical radio-genomic features should behave similarly, the four molecular subtypes are now widely accepted as a guide for the management and prognosis. The radiological features of medulloblastomas can predict the molecular subtype; thus, anticipating the subsequent disease progression. However, this has not been evaluated comprehensively. PURPOSE: We aim to thoroughly study the association between the molecular subtypes and radiological features of medulloblastomas...
April 16, 2024: World Neurosurgery
https://read.qxmd.com/read/38625435/end-colostomy-parastomal-hernia-repair-a-systematic-review-on-laparoscopic-and-robotic-approaches
#10
REVIEW
G Sarno, B Iacone, A Tedesco, A Gargiulo, A Ranieri, A Giordano, S Tramontano, U Bracale
INTRODUCTION: Parastomal hernia (PSH) is the most common and challenging complication after stoma creation, with an estimated 50% incidence 2 years after the index surgery. Mesh repair is the treatment of choice. Laparoscopic and/or robotic approaches allow acceptable outcomes. MATERIALS AND METHODS: A systematic literature review from January 2012 to November 2023 was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement...
April 16, 2024: Hernia: the Journal of Hernias and Abdominal Wall Surgery
https://read.qxmd.com/read/38612694/the-mrna-binding-protein-ksrp-limits-the-inflammatory-response-of-macrophages
#11
JOURNAL ARTICLE
Vanessa Bolduan, Kim-Alicia Palzer, Christoph Hieber, Jenny Schunke, Michael Fichter, Paul Schneider, Stephan Grabbe, Andrea Pautz, Matthias Bros
KH-type splicing regulatory protein (KSRP) is a single-stranded nucleic acid-binding protein with multiple functions. It is known to bind AU-rich motifs within the 3'-untranslated region of mRNA species, which in many cases encode dynamically regulated proteins like cytokines. In the present study, we investigated the role of KSRP for the immunophenotype of macrophages using bone marrow-derived macrophages (BMDM) from wild-type (WT) and KSRP-/- mice. RNA sequencing revealed that KSRP-/- BMDM displayed significantly higher mRNA expression levels of genes involved in inflammatory and immune responses, particularly type I interferon responses, following LPS stimulation...
March 30, 2024: International Journal of Molecular Sciences
https://read.qxmd.com/read/38612128/synthesis-and-surface-strengthening-modification-of-silica-aerogel-from-fly-ash
#12
JOURNAL ARTICLE
Lei Zhang, Qi Wang, Haocheng Zhao, Ruikang Song, Ya Chen, Chunjiang Liu, Zhikun Han
This study focuses on using activated fly ash to preparate silica aerogel by the acid solution-alkali leaching method and ambient pressure drying. Additionally, to improve the performance of silica aerogel, C6 H16 O3 Si (KH-570) and CH3 Si(CH3 O)3 (MTMS) modifiers were used. Finally, this paper investigated the factors affecting the desilication rate of fly ash and analyzed the structure and performance of silica aerogel. The experimental results show that: (1) The factors affecting the desilication rate are ranked as follows: hydrochloric acid concentration > solid-liquid ratio > reaction temperature > reaction time...
April 1, 2024: Materials
https://read.qxmd.com/read/38609410/isolation-and-propagation-of-an-egyptian-theileria-annulata-infected-cell-line-and-evaluation-of-its-use-as-a-vaccine-to-protect-cattle-against-field-challenge
#13
JOURNAL ARTICLE
Amira Al-Hosary, Ahmed M Radwan, Laila S Ahmed, Sary Kh Abdelghaffar, Susanne Fischer, Ard M Nijhof, Peter-Henning Clausen, Jabbar S Ahmed
Tropical theileriosis is an important protozoan tick-borne disease in cattle. Vaccination using attenuated schizont-infected cell lines is one of the methods used for controlling the disease. This study describes the production of attenuated schizont-infected cell lines from Egypt and an evaluation of its use as a vaccine to protect calves against clinical disease upon field challenge. Two groups of exotic and crossbred male calves were divided into vaccinated and control groups. The vaccinated groups were inoculated with 4 ml (1 × 106 cells/ml) of the attenuated cell line...
April 12, 2024: Scientific Reports
https://read.qxmd.com/read/38600081/impact-of-molecular-symmetry-on-crystallization-pathways-in-highly-supersaturated-kh-2-po-4-solutions
#14
JOURNAL ARTICLE
Yong Chan Cho, Sooheyong Lee, Lei Wang, Yun-Hee Lee, Seongheun Kim, Hyun-Hwi Lee, John Jonghyun Lee, Geun Woo Lee
Solute structure and its evolution in supersaturated aqueous solutions are key clues to understand Ostwald's step rule. Here, we measure the structural evolution of solute molecules in highly supersaturated solutions of KH2 PO4 (KDP) and NH4 H2 PO4 (ADP) using a combination of electrostatic levitation and synchrotron X-ray scattering. The measurement reveals the existence of a solution-solution transition in KDP solution, caused by changing molecular symmetries and structural evolution of the solution with supersaturation...
April 10, 2024: Nature Communications
https://read.qxmd.com/read/38599294/the-mechanism-of-covalent-inhibition-of-lar-phosphatase-by-illudalic-acid
#15
JOURNAL ARTICLE
Daniel T Hansen, Nicole J Rueb, Nathan D Levinzon, Thomas E Cheatham, Robert Gaston, Kh Tanvir Ahmed, Sandra Osburn-Staker, James E Cox, Gregory B Dudley, Amy M Barrios
Leukocyte antigen-related (LAR) phosphatase is a receptor-type protein tyrosine phosphatase involved in cellular signaling and associated with human disease including cancer and metabolic disorders. Selective inhibition of LAR phosphatase activity by well characterized and well validated small molecules would provide key insights into the roles of LAR phosphatase in health and disease, but identifying selective inhibitors of LAR phosphatase activity has been challenging. Recently, we described potent and selective inhibition of LAR phosphatase activity by the fungal natural product illudalic acid...
April 8, 2024: Bioorganic & Medicinal Chemistry Letters
https://read.qxmd.com/read/38592998/diffuse-familial-adenomatous-intestinal-polyposis-in-childhood-current-state-of-the-problem-and-case-report
#16
JOURNAL ARTICLE
Tetiana Shatynska, Iryna Lembryk, Orysia Tsytsiura, Oleksandra Zhyliak, Anastasiya Stefanyshyn, Nataliia Kostyrko, Yuliia Bodnarchuk
OBJECTIVE: Aim: To explore the prevalence, clinical characteristics, and diagnostic aspects of diffuse familial adenomatous polyposis in childhood. This objective is accomplished through an extensive review of recent literature, and the presentation of case report from our clinical practice. PATIENTS AND METHODS: Materials and Methods: We analyzed 75 scientific papers, the findings of which have been documented in the PubMed database. Our search criteria included keywords such as ≪diffuse familial adenomatous intestinal polyposis,≫ ≪children,≫ and ≪diagnosis...
2024: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://read.qxmd.com/read/38590681/supplementation-of-zinc-on-antioxidant-activity-blood-profile-mineral-availability-abdominal-fat-digestive-and-accessory-organs-of-sikumbang-janti-duck
#17
JOURNAL ARTICLE
R Kurniawan Rusli, R Amizar, Z Zurmiati, S Reski, A Darmawan, K Subekti, Kh Khalil
The present research aimed to evaluate the addition of zinc (Zn) on antioxidant activity, blood profile, mineral availability, and abdominal fat of Sikumbang Janti duck. A total of 96 female Sikumbang Janti ducks aged 8 weeks were used in this research. This study used a completely random design with four treatments and four replications (6 duck/replications). The treatments were as follows control diet (Z0), the addition of 30 mg Zn/kg (Z1), 60 mg Zn/kg (Z2), and 90 mg Zn/kg(Z3). Variables observed were antioxidant activity, blood profile, mineral content in the tibia, and abdominal fat...
October 2023: Archives of Razi Institute
https://read.qxmd.com/read/38589286/tungsten-oxide-dispersed-on-silica-as-robust-and-readily-available-oxo-imido-heterometathesis-catalyst
#18
JOURNAL ARTICLE
Nikolai S Bushkov, Andrey V Rumyantsev, Anton A Zhizhin, Tatyana V Strelkova, Roman A Novikov, Evgenii I Gutsul, Rina U Takazova, Dinara Kh Kitaeva, Nikolai A Ustynyuk, Pavel A Zhizhko, Dmitry N Zarubin
Continuing our investigation of catalytic oxo/imido heterometathesis as novel water-free method for C=N bond construction, we report here the application of classical transition metal oxides dispersed on silica (MOx/SiO2, M = V, Mo, W) as cheap, robust and readily available alternative to the catalysts prepared via Surface Organometallic Chemistry (SOMC). The oxide materials demonstrated activity in heterometathetical imidation of ketones, WO3/SiO2 being the most efficient. We also describe a new well-defined supported W imido complex (≡SiO)W(=NMes)2(Me2Pyr) (Mes = 2,4,6-Me3C6H2, Me2Pyr = 2,5-dimethylpyrrolyl) and characterize it with SOMC protocols, which allowed us to identify the position of W on the oxo/imido heterometathesis activity scale (Mo < W < Ta) and showed that W in fact provides an optimal balance between activity and stability...
April 8, 2024: ChemPlusChem
https://read.qxmd.com/read/38587702/mortality-risk-relationship-using-standard-categorized-bmi-or-knee-height-based-bmi-does-the-overweight-lower-mortality-paradox-hold-true
#19
JOURNAL ARTICLE
Nivetha Natarajan Gavriilidou, Mats Pihlsgård, Sölve Elmståhl, Henrik Ekström
BACKGROUND: The body mass index (BMI) is prone to misclassification of obesity due to age-related height loss and resulting measurement errors. Knee-height based BMI (KH-BMI) has not been previously studied in relation to mortality risk in older adults. AIM: To evaluate the age- and sex-specific mortality risk relationship using classic BMI and knee height predicted BMI (KH-BMI) overweight and obesity in a 15-year follow-up study including older Swedish adults aged 60-93 years...
April 8, 2024: Aging Clinical and Experimental Research
https://read.qxmd.com/read/38587161/-interdepartmental-communication-training-for-forensic-medical-experts
#20
JOURNAL ARTICLE
I A Krutiy, V Yu Vladimirov, G Kh Romanenko
Is to identify the main communication problems encountered by forensic medical experts and specialists during the interdepartmental interaction, and to develop proposals to overcome them. A comprehensive approach was used to achieve the aim of the research, including the carrying out of a qualitative focus group interview of forensic medical experts and resident doctors. The main communicative problems have been determined and proposals for their elimination have been formulated, the types of communication trainings on interdepartmental interaction have been identified...
2024: Sudebno-meditsinskaia Ekspertiza
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