The vascular endothelial growth factor receptor 2 (VEGFR2) and the hepatocyte growth factor receptor (C-Met) are critical receptors for signaling pathways controlling crucial cellular processes such as cell growth, angiogenesis and tissue regeneration. However, dysregulation of these proteins has been reported in different diseases, particularly cancer, where these proteins promote tumour growth, invasiveness, metastasis and resistance to conventional therapies. The identification of dual inhibitors targeting both VEGFR-2 and c-Met has emerged as a strategic therapeutic approach to overcome the limitations and resistance mechanisms associated with single-target therapies in clinical settings.
View Article and Find Full Text PDFAims: Atypical ductal hyperplasia and flat epithelial atypia (FEA) have defined diagnostic criteria, yet there is variation in the interpretation of these criteria, particularly when the atypia is present in a background of columnar cell lesions (CCLs). This study focuses upon cases which are especially challenging or difficult to classify reproducibly according to existing criteria.
Methods And Results: Thirteen breast pathology experts were asked to classify 10 challenging cases with CLLs as atypical or non-atypical.
Background: Nonalcoholic fatty liver disease (NAFLD) is the extremely usual reason of chronic liver disease, extending from simple hepatic steatosis (HS), nonalcoholic steatohepatitis (NASH) to advanced hepatic fibrosis and cirrhosis. Though orlistat is a Food and Drug Administration (FDA) approved drug for long-duration management of obesity, few cases of severe hepatic insult were declared. Melatonin is an efficient antioxidant; it also regulates metabolic processes that lead to fat accumulation and obesity.
View Article and Find Full Text PDFCardiol Rev
December 2024
Transcatheter aortic valve replacement has emerged as an effective alternative to surgery in selected patients with aortic stenosis. It needs to be made clear which type of valve has better results in patients with small aortic annulus. We searched PubMed, Scopus, Embase, Cochrane Library, and Web of Science, following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses statement.
View Article and Find Full Text PDFFirst described by Virchow in the 19th century, intracranial arteriovenous malformations (AVMs) are complex, tangle-shaped vascular lesions with a number of associated neuroparenchymal, hemodynamic, and angio-architectural changes. However, the clinical description of extracranial AVMs dates back to the Ebers Papyrus (c. 1500 BC), with a still unknown definitive underlying etiology thus far.
View Article and Find Full Text PDFL. Polygonaceae is a wildly grown plant in Egypt, North Africa, and Asia with wide traditional uses. Several studies reported its biological activities and richness in phytochemicals.
View Article and Find Full Text PDFActivin receptor‑like kinase-5 (ALK5) is an outstanding member of the transforming growth factor-β (TGF-β) family. (TGF-β) signaling pathway integrates pleiotropic proteins that regulate various cellular processes such as growth, proliferation, and differentiation. Dysregulation within the signaling pathway can cause variety of diseases, such as fibrosis, cardiovascular disease, and especially cancer, rendering ALK5 a potential drug target.
View Article and Find Full Text PDFBackground: There is an association exists between cardiac surgery, performed through median sternotomy, and a considerable postoperative pain.
Objectives: The aim of the current study is to compare the effects of transversus thoracic muscle plane block (TTMPB) and pecto-intercostal fascial plane block (PIFB) upon postoperative opioid consumption among the patients who underwent open cardiac surgery.
Methods: The present prospective, randomized, comparative study was conducted among 80 patients who underwent elective on-pump cardiac surgery with sternotomy.
A 42-Year-Old Man with a SeizureA 42-year-old man with acute myeloid leukemia presented for evaluation after an episode of convulsions. Six weeks before this event, he had a cough productive of yellow sputum. Two weeks later, he started having a headache and fevers.
View Article and Find Full Text PDFBackground: Intracorporeal suturing knots continue to be one of the most challenging and time-consuming steps in the thoracoscopic repair of congenital diaphragmatic hernia (CDH). Barbed unidirectional knotless sutures are designed to shorten surgical procedures by eliminating the need to tie knots. This work aimed to compare unidirectional barbed sutures and interrupted intracorporeal knots in the thoracoscopic repair of CDH in pediatrics regarding the time required to suture, operative time and complications.
View Article and Find Full Text PDFTwo new series of quinazoline-chalcone hybrids were designed, synthesized as histone deacetylase (HDAC)/epidermal growth factor receptor (EGFR) dual inhibitors, and screened in vitro against the NCI 60 human cancer cell line panel. The most potent derivative, compound 5e bearing a 3,4,5-trimethoxyphenyl chalcone moiety, showed the most effective growth inhibition value against the panel of NCI 60 human cancer cell lines. Thus, it was selected for further investigation for NCI 5 log doses.
View Article and Find Full Text PDFClin Genitourin Cancer
April 2024
Urothelial carcinoma (UC) is the 10 most common cancer globally with an almost 4 times higher prevalence in men. The main risk factors for development of urothelial carcinoma are advanced age, smoking, arsenic contamination, exposure to carcinogens. Metastatic urothelial carcinoma (mUC) has overall poor prognosis with a 5-year overall survival rate of only < 5%.
View Article and Find Full Text PDFHigh-grade gliomas are primary brain tumors that are incredibly refractory long-term to surgery and chemoradiation, with no proven durable salvage therapies for patients that have failed conventional treatments. Post-treatment, the latent glioma and its microenvironment are characterized by a senescent-like state of mitotic arrest and a senescence-associated secretory phenotype (SASP) induced by prior chemoradiation. Although senescence was once thought to be irreversible, recent evidence has demonstrated that cells may escape this state and re-enter the cell cycle, contributing to tumor recurrence.
View Article and Find Full Text PDFThe El-Rawda solar saltern, located in North Sinai, Egypt, is formed through the process of water evaporation from the Bradawil lagoon. This evaporation leads to the precipitation of gypsum, halite minerals, and salt flats, which subsequently cover the southern and eastern areas of the lagoon. This study employed the shotgun metagenomic approach, the illumine platform, and bioinformatic tools to investigate the taxonomic composition and functional diversity of halophilic microbial communities in solar saltern.
View Article and Find Full Text PDFJ Neurosurg Case Lessons
February 2023
Background: Spinal dural arteriovenous fistula (SDAVF) is a rare disorder with an unknown etiology. Often, the clinical presentation and imaging findings are misleading, causing this condition to be mistaken for other entities, such as demyelinating or degenerative spinal lesions.
Observations: The authors report a challenging case of SDAVF in which the patient's symptoms were initially thought to be attributable to a herniated disc based on his imaging studies at another institution.
Background: The mechanism of pain control with pulsed radiofrequency (PRF) is unclear.
Objectives: We aimed to compare the efficacy of combined PRF on dorsal root ganglion (DRG) with transforaminal epidural steroid injection (TFESI) vs TFESI-alone on pain improvement and serum tumor necrosis factor-alpha (TNF-a) level in lumbar disc-related radicular pain.
Study Design: Prospective, randomized, controlled trial.
Eur Urol Open Sci
September 2023
Background: Upfront cytoreductive nephrectomy (CN) is no longer the standard of care for patients with metastastic renal cell carcinoma (mRCC) with intermediate or poor prognosis according to the International mRCC Database Consortium categories.
Objective: To investigate indications for CN following first-line ipilimumab-nivolumab, and assess management and outcomes for patients achieving no evidence of disease (NED) after CN.
Design Setting And Participants: This was a retrospective cohort study among 125 patients with synchronous mRCC who received ipilimumab-nivolumab treatment between March 2019 and June 2022 at four European centres.
Colloid cysts are benign intracranial lesions, typically located in the anterior portion of the third ventricle near the interventricular foramina of Monro. The cysts usually consist of an epithelial lining filled with viscous gelatinous material of various components. Colloid cysts are generally asymptomatic, but once symptomatic, they can present in a variety of ways, including headaches, vomiting, visual and memory problems, and vertigo.
View Article and Find Full Text PDFLung cancer is the second most common cause of morbidity and mortality among cancer types worldwide, with non-small cell lung cancer (NSCLC) representing the majority of most cases. Epidermal growth factor receptor tyrosine kinase inhibitors (EGFR TKIs) are among the most commonly used targeted therapy to treat NSCLC. Recent years have seen the evaluation of many synthetic EGFR TKIs, most of which showed therapeutic activity in pertinent models and were classified as first, second, and third-generation.
View Article and Find Full Text PDFHuman neurocysticercosis is one of the most prevalent parasitic infestations of the central nervous system. It is considered the most frequent underlying etiology of acquired epilepsy in endemic areas in Central and South America, East Europe, Africa, and Asia, with over 50 million people affected globally. Ventricular involvement is a severe form of neurocysticercosis commonly manifests as arachnoiditis, raised intracranial pressure, or hydrocephalus, secondary to CSF flow obstruction of the ventricular system by cysts of , hence requiring prompt, aggressive intervention to alleviate the increased intracranial pressure to prevent imminent lethal complications.
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