1,157,027 results match your criteria: "Canada ; Quebec Centre for Biodiversity Sciences[Affiliation]"
J Am Acad Dermatol
January 2025
Dermatology Research Institute, Calgary, Alberta, Canada; Division of Dermatology, Department of Medicine, University of Calgary, Calgary, Alberta, Canada; Skin Health & Wellness Centre, Calgary, Alberta, Canada; Division of Dermatology, Department of Medicine, University of Calgary, Calgary, Alberta, Canada; Section of Community Pediatrics, Department of Pediatrics, University of Calgary, Calgary, Alberta, Canada; Section of Pediatric Rheumatology, Department of Pediatrics, University of Calgary, Calgary, Alberta, Canada. Electronic address:
J Adolesc Health
January 2025
Human Flourishing Program, Institute for Quantitative Social Science, Harvard University, Cambridge, Massachusetts; Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts; Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts.
Purpose: Intergovernmental organizations, such as the World Health Organization, policymakers, scientists, and the public alike are recognizing the importance of loneliness for health/well-being outcomes. However, it remains unclear if loneliness in adolescence shapes health/well-being in adulthood. We examined if increase in loneliness during adolescence was associated with worse health/well-being in adulthood, across 41 outcomes.
View Article and Find Full Text PDFRhinology
January 2025
Otorhinolaryngology and Skull Base Center, AP-HP, Hospital Lariboisière, Paris, France.
Background: This study examines the management and outcomes of large paranasal sinus osteomas (PSO), especially those abutting or encasing critical structures of the skull base and orbit.
Methodology: A multicentric retrospective analysis was conducted between June 2007 and September 2023. The study included surgically treated (regardless the type of approach chosen) PSO, exceeding 3 cm in diameter and/or located in critical anatomical areas.
ChemistryOpen
January 2025
Azrieli Centre for Neuro-Radiochemistry, Brain Health Imaging Centre, CAMH, Department of Psychiatry, University of Toronto, 250 College Street, Toronto, ON, M5T 1R8, Canada.
Tributyl(ethyl)phosphonium oxopentenolate ([P][Pen]) is an ionic liquid developed to capture CO and has shown ability to catalyze carbonylation reactions in organic chemistry. Carbon-11 (C, t=20.4 min) labeled CO is a highly versatile building block for the synthesis of positron emission tomography (PET) radiotracers that are applied for medical imaging.
View Article and Find Full Text PDFBiomater Sci
January 2025
Department of Chemical Engineering, University of Waterloo, 200 University Avenue West, Waterloo, ON N2L 3G1, Canada.
The treatment of corneal blindness due to corneal diseases and injuries often requires the transplantation of healthy cadaveric corneal endothelial graft tissue to restore corneal clarity and visual function. However, the limited availability of donor corneas poses a significant challenge in meeting the demand for corneal transplantation. As a result, there is a growing interest in developing strategies alleviate this unmet need, and one of the postulated approaches is to isolate and expand primary human corneal endothelial cells (HCECs) for use in cell therapy.
View Article and Find Full Text PDFSports Biomech
January 2025
School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff, UK.
Pelvic running injuries often require extensive rehabilitation and pelvic girdle pain is a barrier to running engagement in population sub-groups, such as perinatal women. However, exploration into how external pelvic loading may be altered during running is limited. This study assessed which biomechanical variables influence changes in external peak pelvic acceleration during treadmill running, across various stride frequency conditions.
View Article and Find Full Text PDFCurr Opin Pediatr
December 2024
Division of Neonatology, Montreal Children's Hospital, McGill University Health Center, Montreal, Quebec, Canada.
Purpose Of Review: This review outlines the prevalence and complications of apneas and intermittent hypoxemic events in preterm infants, examines current monitoring limitations in neonatal ICUs (NICUs), and explores emerging technologies addressing these challenges.
Recent Findings: New evidence from the Prematurity-Related Ventilatory Control (Pre-Vent) study, which analyzed cardiorespiratory data from 717 extremely preterm infants, exposes the varying frequency, duration, and severity of apneas, intermittent hypoxemia, bradycardias, and periodic breathing during hospitalization, and highlights the negative impact of intermittent hypoxemia on pulmonary outcomes at discharge. Although traditional monitoring methods cannot differentiate between apnea types and quantify their burden, recent advancements in sensor technologies and data integration hold promise for improving real-time detection and evaluation of apneas in the NICU.
J Anat
January 2025
Department of Anthropology, Stony Brook University, Stony Brook, New York, USA.
Anterior-posterior (A-P) elongation of the palate is a critical aspect of integrated midfacial morphogenesis. Reciprocal epithelial-mesenchymal interactions drive secondary palate elongation that is coupled to the periodic formation of signaling centers within the rugae growth zone (RGZ). However, the relationship between RGZ-driven morphogenetic processes, the differentiative dynamics of underlying palatal bone mesenchymal precursors, and the segmental organization of the upper jaw has remained enigmatic.
View Article and Find Full Text PDFEcol Lett
January 2025
Department of Biology, Stanford University, Stanford, California, USA.
Predicting the effects of climate change on plant disease is critical for protecting ecosystems and food production. Here, we show how disease pressure responds to short-term weather, historical climate and weather anomalies by compiling a global database (4339 plant-disease populations) of disease prevalence in both agricultural and wild plant systems. We hypothesised that weather and climate would play a larger role in disease in wild versus agricultural plant populations, which the results supported.
View Article and Find Full Text PDFBiomed Phys Eng Express
January 2025
Department of Physics and Astronomy, Louisiana State University, Baton Rouge, LA, United States of America.
This study aimed to develop and evaluate an efficient method to automatically segment T1- and T2-weighted brain magnetic resonance imaging (MRI) images. We specifically compared the segmentation performance of individual convolutional neural network (CNN) models against an ensemble approach to advance the accuracy of MRI-guided radiotherapy (RT) planning..
View Article and Find Full Text PDFJ Phys Chem B
January 2025
Institute of Pharmaceutical Sciences, University of Freiburg, Freiburg 79104, Germany.
The selective insertion of membrane-impermeant amphiphiles such as detergents, (lipo)peptides, drugs, etc. into the leaflet of a membrane causes an imbalance between the intrinsic areas of the and leaflet, referred to as asymmetry stress or differential stress. The literature provides individual mechanisms of how membranes respond to such stress, which are relevant to membrane remodeling processes and leakage phenomena.
View Article and Find Full Text PDFEur J Neurosci
January 2025
Faculty of Life Sciences, Leipzig University, Leipzig, Germany.
Communication sound processing in mouse AC is lateralized. Both left and right AC are highly specialised and differ in auditory stimulus representation, functional connectivity and field topography. Previous studies have highlighted intracortical functional circuits that explain hemispheric stimulus preference.
View Article and Find Full Text PDFNurs Inq
January 2025
The University of British Columbia, Vancouver, Canada.
Chembiochem
January 2025
Department of Chemical Engineering and Applied Chemistry, University of Toronto, 200 College Street, Toronto, Ontario, M5S 3E5, Canada.
This study describes an enzymatic pathway to produce high purity 4-O-methylglucaric acid from xylan, an underutilized fraction of lignocellulosic biomass. Beechwood xylan was enzymatically hydrolysed using a commercial xylanase and an α-glucuronidase from Amphibacillus xylanus to form 4-O-methylglucuronic acid, which was then purified by anion exchange chromatography and subsequently oxidized to 4-O-methylglucaric acid using a recombinantly produced uronic acid oxidase from Citrus sinensis. Enzymatic oxidation with uronic acid oxidase afforded 95 % yield in 72 hours which is considerably higher than yields previously achieved using a glucooligosaccharide oxidase from Sarocladium strictum.
View Article and Find Full Text PDFInt J Rehabil Res
January 2025
Centre Interdisciplinaire de Recherche en Réadaptation et Intégration Sociale (Cirris).
The ABILHAND is a widely used questionnaire assessing bimanual daily life activities in adults with stroke. A recently modified version tailored for the sub-Saharan African population (ABILHAND-Stroke Benin) has been created. This study aimed to investigate its test-retest reliability and responsiveness.
View Article and Find Full Text PDFJ Vet Intern Med
January 2025
Department of Small Animal Clinical Sciences, Western College of Veterinary Medicine, University of Saskatchewan, Saskatoon, Saskatchewan, Canada.
Background: The pathophysiology of polyuria and polydipsia secondary to exogenous glucocorticoid excess is incompletely understood.
Objective: Investigate plasma AVP (pAVP) and serum CoP (sCoP) concentrations in healthy dogs before, during, and after abrupt discontinuation of a long-term course of orally administered prednisolone.
Animals: Eight healthy neutered young adult research Beagles.
Disabil Rehabil
January 2025
School of Rehabilitation Therapy, Queen's University, Kingston, ON, Canada.
Purpose: We aimed to provide care support to stroke patients and their caregivers and investigate this support's impact on the psychosocial characteristics of patients', caregivers', and volunteer students' depression, quality of life, and sleep quality.
Material/methods: Volunteer students received caregiving training and provided support to caregivers at patients' homes. Caregivers received care support through the project for four sessions, once a week.
Electrophoresis
January 2025
Department of Toxicology, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Bertam, Kepala Batas, Pulau Pinang, Malaysia.
Advancements in food technology have increased the need for thorough analysis to ensure food safety, quality, and compliance with regulatory requirements. Capillary electrophoresis-mass spectrometry (CE-MS) has emerged as a powerful tool in food analysis due to its high separation efficiency, low sample consumption, and ability to handle complex matrices. However, challenges such as the use of volatile running buffers and maintaining the stability of the electrical circuit connecting the CE and MS systems have been addressed through advancements in interface designs, such as sheathless systems and optimized sheath-liquid compositions.
View Article and Find Full Text PDFJ Vet Intern Med
January 2025
Department of Veterinary Medicine, University of Cambridge, Cambridge, UK.
Background: Hyperthyroid cats that are azotemic and hypothyroid after surgical or medical treatment have poor outcomes, and supplementation with levothyroxine (LT4) improves survival. However, the effect of LT4 supplementation on survival of nonazotemic, hypothyroid radioiodine (RI)-treated hyperthyroid cats is unknown.
Hypothesis: Radioiodine treated hyperthyroid cats with iatrogenic hypothyroidism or azotemia have shorter survival times than euthyroid, nonazotemic cats and supplementation of LT4 improves survival times of hypothyroid cats.
Head Neck
January 2025
Division of Otolaryngology, Department of Surgery, Faculty of Medicine, University of British Columbia, Vancouver, British Columbia, Canada.
Background: Virtual surgical planning (VSP) with simple cutting templates could help surgeons preoperatively plan scapula reconstructions in the vertical and horizontal orientations.
Methods: Virtually, eight defects were created in ten healthy mandibles and reconstructed with the subject-specific scapula vertically and horizontally. In the clinical series, 15 single-piece scapula mandible reconstructions planned with in-house VSP and guided with simple templates were compared with 15 freehand reconstructions.
Nucleic Acids Res
January 2025
Department of Health Sciences and Technology, ETH Zurich, Schmelzbergstrasse 9, Zurich 8092, Switzerland.
Temozolomide kills cancer cells by forming O6-methylguanine (O6-MeG), which leads to cell cycle arrest and apoptosis. However, O6-MeG repair by O6-methylguanine-DNA methyltransferase (MGMT) contributes to drug resistance. Characterizing genomic profiles of O6-MeG could elucidate how O6-MeG accumulation is influenced by repair, but there are no methods to map genomic locations of O6-MeG.
View Article and Find Full Text PDFPerspect Med Educ
January 2025
Department of Community Health Sciences, Cumming School of Medicine, 3280 Hospital Drive NW University of Calgary, Calgary, Alberta, T2N 4Z6, Canada.
Introduction: Feedback literacy (FBL) is a critical skill for learners encompassing four behaviors: appreciating feedback, making judgements, managing affect, and taking action. Little guidance has been available for clinical preceptors to promote FBL. The R2C2 feedback and coaching model that guides teachers through building Relationships, exploring Reactions and Reflections, discussing Content and Coaching to co-develop an action plan for follow-up may support FBL.
View Article and Find Full Text PDFPlast Surg (Oakv)
January 2025
Department of Surgery, Division of Plastic Surgery, McMaster University, Hamilton, Ontario, Canada.
The concept of in breast reconstruction can occur when negative outcomes dominate the patient experience. The primary objective of this review was to identify experiences of in breast reconstruction from the patient's perspective in the qualitative literature. MEDLINE, Embase, Psychinfo, Emcare, and CINAHL were searched on July 31, 2023 using terms related to breast reconstruction and qualitative research.
View Article and Find Full Text PDFInt J Integr Care
January 2025
Department of Family Medicine and Emergency Medicine, Université de Montréal, Canada.
Introduction: Peer support workers-people with a significant lived and living experience of a social or health condition-use their experiential knowledge and obtain training to help and care for others. They are integrated in different clinical settings, including those for people experiencing homelessness. Most research on peer support implementation in homelessness has not considered the of the implementation, particularly in periods of crisis.
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