β-Carotene (βC), a natural carotenoid, is the most important and effective vitamin A precursor, known also for its antioxidant properties. However, its poor water solubility, chemical instability, and low bioavailability limit its effectiveness as an orally delivered functional nutrient. Nanoparticle encapsulation improves βC's bioaccessibility by enhancing its stability and solubility.
View Article and Find Full Text PDFLaryngoscope Investig Otolaryngol
February 2025
Background And Objective: Septoplasty and turbinate reduction surgery (STR) is hypothesized to affect pulmonary function by modifying airway dynamics. This study investigates the impact of STR-mediated improvements in nasal patency on pulmonary function tests (PFTs).
Methods: In a prospective analysis, 37 adult patients undergoing STR were enrolled.
Antibiotics (Basel)
December 2024
: Cationic surfactants are potential antimicrobial candidates. Even so, they are the foremost irritative and incompatible group, which limits their usage. The incorporation of surfactants in biopolymer-based nanoparticles is a feasible strategy to improve their efficacy and reduce those drawbacks.
View Article and Find Full Text PDFCardiovascular involvement in Leishmania sp. infections still requires further elucidation, with cutaneous and organic changes being more frequently observed. The aim of this study was to conduct a systematic review of cardiovascular involvement in dogs with canine visceral leishmaniasis, considering a publication span of over 80 years.
View Article and Find Full Text PDFOper Neurosurg (Hagerstown)
January 2025
Int J Biol Macromol
January 2025
Radiography (Lond)
December 2024
Introduction: Radiation Therapists (RTTs) are crucial in delivering Radiotherapy (RT) to cancer patients. The advancements in RT technology and the increasing cancer incidence have heightened the demand for RTTs, necessitating strategic workforce planning at the national level. This study aims to identify and estimate current and future RTT workforce in Belgium.
View Article and Find Full Text PDFThe development of management strategies for the promotion of sustainable fisheries relies on a deep knowledge of ecological and evolutionary processes driving the diversification and genetic variation of marine organisms. Sustainability strategies are especially relevant for marine species such as the European sardine (Sardina pilchardus), a small pelagic fish with high ecological and socioeconomic importance, especially in Southern Europe, whose stock has declined since 2006, possibly due to environmental factors. Here, we generated sequences for 139 mitochondrial genomes from individuals from 19 different geographical locations across most of the species distribution range, which was used to assess genetic diversity, diversification history and genomic signatures of selection.
View Article and Find Full Text PDFCorrinoids are cobalt-containing tetrapyrroles. They include adenosylcobalamin (vitamin B) and cobamides that function as cofactors and coenzymes for methyl transfer, radical-dependent and redox reactions. Though cobamides are the most complex cofactors in nature, they are essential in the acetyl-CoA pathway, thought to be the most ancient CO-fixation pathway, where they perform a pterin-to-cobalt-to-nickel methyl transfer reaction catalyzed by the corrinoid iron-sulphur protein (CoFeS).
View Article and Find Full Text PDFBackground: Soccer is the most recognized sports worldwide. It is a fertile ground for the use of metabolomics analyses, considering the multifactorial nature of soccer's physical demands on the body. Although scientific studies have tried using it to better understand the impacts of soccer into different contexts of the sport, no systematic review is available on metabolomics analyses in soccer athletes subjected to physical exertion interventions.
View Article and Find Full Text PDFThe advent of memristors and resistive switching has transformed solid-state physics, enabling advanced applications such as neuromorphic computing. Inspired by these developments, we introduce the concept of Mem-emitters, devices that manipulate light-emission properties of semiconductors to achieve memory functionalities. Mem-emitters, influenced by past exposure to stimuli, offer a new approach to optoelectronic computing with potential for enhanced speed, efficiency, and integration.
View Article and Find Full Text PDFWorld Neurosurg
January 2025
Arteriovenous malformations (AVMs) consist of multiple connections between arteries and veins without a capillary bed and are characterized by an early draining vein. This pathology affects mainly young adults, and the morbimortality is caused mostly by rupture and hemorrhage. In this Video 1, we present a case of a 29-year-old female patient presenting with a sudden severe headache.
View Article and Find Full Text PDFEur Arch Otorhinolaryngol
December 2024
Purpose: Nasal breathing (NB) is a fundamental physiological process, and emerging research indicates its potential role in modulating resting metabolism, impacting energy expenditure and metabolic efficiency. This study investigates the impact of NB on resting metabolic rate (RMR), offering novel insights into metabolic regulation.
Methods: A prospective study was conducted on patients undergoing nasal surgery, with measurements taken before and 3 months after surgery.
Background: Squamous cell carcinoma (SCC) is the most common histological type in the oropharynx with high incidence and mortality. The Pi3K-AKT signaling pathway is important for understanding prognostic factors such as metastasis, which is involved in the aetiopathogenesis of cancer and is associated with angiogenesis, progression, and cell survival. The aim of this study was to evaluate the correlation of the Pi3K/AKT pathway with prognostic factors associated with oropharyngeal SCC, including overall survival.
View Article and Find Full Text PDFIntroduction: Patients with familial adenomatous polyposis (FAP) are characterised by the appearance of colorectal cancer if the disease is left to follow its natural course, which means they frequently undergo prophylactic colectomy at a young age. In these patients, duodenal cancer becomes the leading cause of death, which deems surveillance necessary. Gastric cancer, although rare, can also occur in these patients, and total gastrectomy is the usual treatment option.
View Article and Find Full Text PDFDue to the importance of 4R tau (with four microtubule-binding-repeat domains) in the pathogenicity of primary tauopathies, it has been challenging to model these diseases in induced pluripotent stem cell (iPSC)-derived neurons, which express very low levels of 4R tau. To address this, we have developed a panel of isogenic iPSC lines carrying MAPT splice-site mutations, S305S, S305I, or S305N, derived from four different donors. All mutations significantly increase 4R tau expression in iPSC neurons and astrocytes.
View Article and Find Full Text PDFHead Neck Pathol
November 2024
The aim of this study was to evaluate the effectiveness of color Doppler ultrasonography for examination of the blood flow areas in superficial grafts after 7 or 15 days of heterotopic allotransplantation, comparing an in-ear subcutaneous area (IE) with an in-neck cervical intramuscular area (IN) in goats. To monitor the local blood flow in the graft areas, color Doppler signals were assessed daily until days seven and fifteen, when the left and right implants, respectively, were removed. The areas of blood flow around the transplanted ovarian fragments were significantly larger ( < 0.
View Article and Find Full Text PDFAs a multifactorial and heterogeneous disease, cancer has a high mortality rate, and the search for more effective treatments is an enormous challenge. Metal coordination compounds open a range of possibilities that conventional organic and biological molecules can no longer fulfil due to increasing drug resistance. Metallodrugs still have tremendous potential to help overcome drug resistance and find new cures in medicine, considering that at least 25 metallic elements participate in healthy functioning of the human body.
View Article and Find Full Text PDFA case of polyparasitism in an 8-year-old female cat from Southern Brazil is reported. Among the described clinical signs, both gurltiosis and lagochilascariasis are of rare occurrence, being categorized as neglected diseases. The diagnosis of feline crural parasitic paraplegia was established through clinical signs, necropsy lesion observations, and the presence of Gurltia paralysans in histological sections of the spinal cord.
View Article and Find Full Text PDFObjectives: To assess physiotherapist delivery fidelity and identify factors optimising delivery fidelity of an intervention based on recommended guidelines for Achilles tendinopathy.
Design: A prospective repeated-measures observational study of physiotherapist delivery fidelity with carefully defined exercise and physical activity advice.
Setting: An inter-disciplinary clinic in Melbourne, Australia, embedded in a randomised controlled trial.
Background: Scenario tree modelling is a well-known method used to evaluate the confidence of freedom from infection or to assess the sensitivity of a surveillance system in detecting an infection at a certain design prevalence. It facilitates the use of data from various sources and the inclusion of risk factors into calculations, while still obtaining quantitative estimates of surveillance sensitivity and probability of freedom.
Objectives: We conducted a scoping review to identify scenario tree models (STMs) applied to assess freedom from infection in veterinary medicine, characterize their use, parameterisation, reporting and potential limitations.
We describe one new species from Ceará state, Brazil: . It is morphologically associated with , but distinguished by 0.25-1.
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