53,524 results match your criteria: "C.R.); and Yale University School of Medicine[Affiliation]"

Rapid growth in bio-logging-the use of animal-borne electronic tags to document the movements, behaviour, physiology and environments of wildlife-offers opportunities to mitigate biodiversity threats and expand digital natural history archives. Here we present a vision to achieve such benefits by accounting for the heterogeneity inherent to bio-logging data and the concerns of those who collect and use them. First, we can enable data integration through standard vocabularies, transfer protocols and aggregation protocols, and drive their wide adoption.

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Background: The impact of depressive symptoms on everyday function in older adults remains poorly understood. Depression may decrease motivation, impair cognition, and/or bias self-reports of functional ability. The present study examined relations between depressive symptoms and everyday function as measured by self-report, informant-report, and an objective performance-based measure which evaluates functional/cognitive capacity but requires only minimal motivation.

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A number of reports have suggested that the use of prolonged antibiotic treatment could be an effective therapy for patients with overactive bladder (OAB); however, this approach is contrary to existing recommendations regarding the prolonged non-specific use of antibiotics. The existing evidence in this area seems to be circumstantial and anecdotal but, despite this limitation, the use of long-term antibiotic therapy for OAB seems to be increasing. Review and synthesis of the existing evidence for use of antibiotic therapy in patients with OAB identify few studies - just seven papers and four conference proceedings - which are heterogeneous in their design, inclusion and exclusion criteria, treatment regimen employed, approach to the use of antimuscarinic medications, follow-up protocols, and measured outcomes.

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The impact of common and rare genetic variants on bradyarrhythmia development.

Nat Genet

January 2025

Telemachus and Irene Demoulas Family Foundation Center for Cardiac Arrhythmias, Massachusetts General Hospital, Boston, MA, USA.

To broaden our understanding of bradyarrhythmias and conduction disease, we performed common variant genome-wide association analyses in up to 1.3 million individuals and rare variant burden testing in 460,000 individuals for sinus node dysfunction (SND), distal conduction disease (DCD) and pacemaker (PM) implantation. We identified 13, 31 and 21 common variant loci for SND, DCD and PM, respectively.

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Chromosome instability is a prevalent vulnerability of cancer cells that has yet to be fully exploited therapeutically. To identify genes uniquely essential to chromosomally unstable cells, we mined the Cancer Dependency Map for genes essential in tumor cells with high levels of copy number aberrations. We identify and validate KIF18A, a mitotic kinesin, as a vulnerability of chromosomally unstable cancer cells.

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Too Soon to Breathe Easy: Trends in Asbestosis Morbidity and Mortality in Wisconsin.

J Occup Environ Med

January 2025

From the Occupational Health Safety and Surveillance Program, Bureau of Environmental and Occupational Health, Wisconsin Department of Health Services, Madison, Wisconsin (P.D.C., K.E.M., K.K.S.M., C.R.M., S.B.); and Department of Population Health Sciences, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, Wisconsin (P.D.C., K.K.S.M.).

Objectives: This study aimed to describe asbestosis morbidity and mortality in two statewide samples. We considered trends, demographic disparities, and excess mortality.

Methods: We assessed trends and demographic differences in asbestosis morbidity using hospital and emergency department (ED) visits.

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Stem cells reside in specialized microenvironments, termed niches, at several different locations in tissues. The differential functions of heterogeneous stem cells and niches are important given the increasing clinical applications of stem-cell transplantation and immunotherapy. Whether hierarchical structures among stem cells at distinct niches exist and further control aspects of immune tolerance is unknown.

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Background: Phage therapy offers a promising alternative for treating serious infections, including diabetic foot ulcers (DFUs), through the lytic action of phages. This randomized double-blind study was conducted to evaluate the safety and tolerability of the TP-102 bacteriophage cocktail in patients with DFUs non-infected and infected with Staphylococcus aureus, Pseudomonas aeruginosa, and/or Acinetobacter baumannii.

Methods: Nineteen participants with DFUs were randomized after susceptibility testing.

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Highly Pathogenic Avian Influenza A(H5N1) Virus Infections in Humans.

N Engl J Med

December 2024

From the Influenza Division, Centers for Disease Control and Prevention, Atlanta (S.G., K.R., A.C., K.K., C.T.D., M.K.K., S. Ellington, A.M.M., A.B., J.R.B., M.B., M.A.J., M.R.-C., E.B., T.T.S., T.M.U., V.G.D., C.R., S.J.O.); California Department of Public Health, Richmond (E.L.M., S.Z., V.K., D.A.W.); the Epidemic Intelligence Service, Centers for Disease Control and Prevention, Atlanta (S.Z., C.D.); Colorado Department of Public Health and Environment, Denver (C.D., A.K., M.O.); Mid-Michigan District Health Department, Stanton (J.M.); Michigan Department of Health and Human Services, Lansing (S. Eckel); Missouri Department of Health and Senior Services, Jefferson City (J.G., G.T.); Benton-Franklin Health District, Kennewick, WA (S.K.); Washington State Department of Health, Tumwater (A.U.); and Texas Department of State Health Services, Austin (E.R.G., C.A.H.).

Background: Highly pathogenic avian influenza A(H5N1) viruses have caused widespread infections in dairy cows and poultry in the United States, with sporadic human cases. We describe characteristics of human A(H5N1) cases identified from March through October 2024 in the United States.

Methods: We analyzed data from persons with laboratory-confirmed A(H5N1) virus infection using a standardized case-report form linked to laboratory results from the Centers for Disease Control and Prevention influenza A/H5 subtyping kit.

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Background: Atherosclerotic cardiovascular disease (ASCVD) is the leading cause of mortality globally. Hypercholesterolemia accelerates atherosclerotic development and is an independent modifiable risk factor for ASCVD. Reducing cholesterol levels is effective in preventing ASCVD.

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Background: microRNAs (miRNAs) could mediate the glucose and lipid metabolism progress in metabolic syndrome (MetS).

Objectives: To analyze the value of miRNA (miR)-21-5p for MetS diagnosis in children with obesity. Function of miR-21-5p has been explored by the prediction of target genes and functional and pathway enrichment analysis.

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Science of Learning Strategy Series: Article 6, Elaboration.

J Contin Educ Health Prof

October 2024

Dr. Van Hoof: Associate Professor, University of Connecticut School of Nursing, Storrs, and Department of Community Medicine and Health Care, University of Connecticut School of Medicine, Farmington, CT.

The science of learning (learning science) is an interprofessional field that concerns itself with how the brain learns and remembers important information. Learning science has compiled a set of evidence-based strategies, such as distributed practice, retrieval practice, and interleaving, which are quite relevant to continuing professional development. Spreading out study and practice separated by cognitive breaks (distributed practice), testing oneself to check mastery and memory of previously learned information (retrieval practice), and mixing the learning of separate but associated information (interleaving) represent strategies that are underutilized in continuing professional development.

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Objective: The aim of the study was to assess the prevalence of postmenopausal vasomotor symptoms (VMS) and the impact of VMS and related treatment patterns among perimenopausal and postmenopausal Canadian women.

Methods: A subgroup analysis of data from a cross-sectional online survey of women aged 40-65 years conducted November 4, 2021, through January 17, 2022, evaluated the prevalence of moderate/severe VMS among postmenopausal Canadian women. The analysis also assessed survey responses from perimenopausal and postmenopausal Canadian women with moderate/severe VMS who completed the Menopause-Specific Quality of Life questionnaire, Work Productivity and Activity Impairment questionnaire, and the Patient-Reported Outcomes Measurement Information System Sleep Disturbances-Short Form 8b and answered questions about treatment patterns and attitudes toward treatments.

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Purpose: The retina contains the highest concentration of the omega 3 fatty acid, docosahexaenoic acid (DHA), in the body. Although epidemiologic studies showed an inverse correlation between the consumption of omega 3 fatty acids and the prevalence of diabetic retinopathy, there are no data showing the effect of diabetes on retinal DHA in humans. In this study, we measured the DHA content of the retina in diabetic and non-diabetic humans as well as mice and determined the effect of diabetes on retinal thickness and function in mice.

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This study represents the first investigation into the ultrasonic and microwave extraction of bioactive metabolites from (red seaweed) and () (brown seaweed), with a focus on their biological activities. The research compares ultrasound-assisted extraction (UAE) with microwave-assisted extraction (MAE) utilizing a hydromethanolic solvent to evaluate their effects on these seaweeds' bioactive compounds and biological activities. The assessment included a series of antioxidant essays: DPPH, ABTS, phenanthroline, and total antioxidant capacity, followed by enzyme inhibition activities: alpha-amylase and urease.

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Background: Arm-lifting movements (shoulder flexion) are essential for upper extremity rehabilitation after a stroke. Abnormal flexor synergy (elbow flexion) is frequently observed during shoulder flexion, impeding functional improvement. However, no quantitative method exists for assessing abnormal flexor synergy.

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There is a new awareness of the widespread nature of metabolic dysfunction-associated steatotic liver disease (MASLD) and its connection to cardiovascular disease (CVD). This has catalyzed collaboration between cardiologists, hepatologists, endocrinologists, and the wider multidisciplinary team to address the need for earlier identification of those with MASLD who are at increased risk for CVD. The overlap in the pathophysiologic processes and parallel prevalence of CVD, metabolic syndrome, and MASLD highlight the multisystem consequences of poor cardiovascular-liver-metabolic health.

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Dynamic properties of isotropic DMPC/DHPC bicelles: Insights from solution NMR and MD simulations.

Biochem Biophys Res Commun

December 2024

Graduate School of Chemical Sciences and Engineering, Hokkaido University, N13, W8, Sapporo, 060-8628, Japan; Department of Chemistry, Faculty of Science, Hokkaido University, N8, W5, Sapporo, 060-0810, Japan. Electronic address:

Bicelles, an artificial disk-shaped lipid bilayer, are commonly used for the structural and functional characterization of membrane-bound proteins in an environment similar to that in intracellular membranes. Because the dynamics of the lipids that constitute bicelles exert a significant impact on the structure and function of the inserted proteins, we investigated the mobility of lipid molecules in bicelles composed of DMPC (14:0 PC) and DHPC (06:0 PC) using solution NMR and MD calculations. C R relaxation experiments for the acyl groups demonstrated that increasing bicelle sizes limit the rotational diffusion of acyl chain H-C bonds in DMPC.

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The McMaster Immune Thrombocytopenia (ITP) Summit was an educational seminar from leading experts in immune thrombocytopenia and related disorders geared towards hematologists, internists, immunologists, and clinical and translational scientists. The focus of the Summit was to review the mechanisms, diagnosis and treatment of primary versus secondary ITP. Specific objectives were to describe the unique features of secondary ITP, and to review its mechanisms in the context of autoimmune disease and infection.

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Review of Functional Cranioplasty and Implantable Neurotechnology.

J Craniofac Surg

December 2024

Department of Otolaryngology-Head and Neck Surgery, Neuroplastic and Reconstructive Surgery, Naval Medical Center Portsmouth, Portsmouth, VA.

Cranioplasty for secondary reconstruction of cranial defects has historically focused on simply replacing the missing cranial bone to restore cerebral protection and fluid dynamics, but recent innovations have led to the development of customized cranial implants that address both bone and soft tissue deficits while avoiding postoperative complications such as temporal hollowing. In addition, customized cranial implants have incorporated implantable neurotechnology like ventriculostomy shunts, intracranial pressure monitoring devices, and medicine delivery systems within low-profile designs to convert previously "basic" implants into "smart" implants for added functionality. These "smart" implants aim to reduce complications and improve patient outcomes by leveraging the cranial space to house advanced technologies, providing benefits such as real-time biosensing, and treatment of chronic neurological conditions.

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Cyclin-dependent kinase 4 and 6 inhibitors (CDK4/6i): Mechanisms of resistance and where to find them.

Breast

December 2024

Department of Medical Oncology. CRO Aviano, National Cancer Institute, IRCCS, Aviano, Italy; Department of Medicine, University of Udine, Udine, Italy.

CDK4/6 inhibitors (CDK4/6i) have significantly impacted on the treatment of HR + HER2 negative (HER2-) metastatic breast cancer (BC) when combined with endocrine therapy. Nonetheless, despite significant research efforts, the mechanisms of de novo and acquired resistance to CDK4/6i have not yet been fully elucidated, highlighting the need for a deeper understanding of these process. Additionally, the importance of dissecting CDK4/6i resistance from endocrine resistance for personalized treatment is increasingly recognized.

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The feasibility of conducting a fully remote, interventional, phase II decentralized clinical trial (DCT) was investigated in major depressive disorder (MDD). Key learnings were collated to improve future DCTs. A double-blind, placebo-controlled, parallel-group, DCT enrolled adult MDD patients with inadequate response to first-line antidepressant monotherapy (ongoing ≥8 weeks) and a Montgomery-Åsberg Depression Rating Scale total score (MADRS) ≥22 at screening.

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Objectives: To analyze the trends in the context of implant therapy in a 3-year patient population and compare it with data obtained over the last 20 years.

Materials And Methods: All adult subjects who received treatment in the context of implant therapy between 2020 and 2022 were included in this retrospective study. Data regarding patient demographics, indications and location of implant therapy, implant characteristics, surgical techniques, complications, and early implant failures were recorded and compared to data obtained in the years 2002-2004, 2008-2010, and 2014-2016.

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Objective: Midkine (MK) is a member of a small protein family that includes pleiotrophin. MK levels are elevated in obese patients and have a pro-arthrogenic effect through various pathophysiological processes including vascular inflammation and atherogenesis. This study aimed to investigate the association between serum MK levels and several atherosclerotic risk factors in patients with type 2 diabetes mellitus (T2DM).

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Malignant rhabdoid tumor (MRT) is one of the most aggressive childhood cancers for which no effective treatment options are available. Reprogramming of cellular metabolism is an important hallmark of cancer, with various metabolism-based drugs being approved as a cancer treatment. In this study, we use patient-derived tumor organoids (tumoroids) to map the metabolic landscape of several pediatric cancers.

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