1,157,027 results match your criteria: "Canada; University of California-San Diego[Affiliation]"

The reactivation of heterotrimeric protein phosphatase 2A (PP2A) through small molecule activators is of interest to therapeutic intervention due to its dysregulation, which is linked to chronic conditions. This study focuses on the PP2A scaffold subunit PR65 and a small molecule activator, ATUX-8385, designed to bind directly to this subunit. Using a label-free single-molecule approach with nanoaperture optical tweezers (NOT), we quantify its binding, obtaining a dissociation constant of 13.

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This article makes three crucial, related arguments. First, most European analyses of immigration and social welfare fail to consider how these policies intersect to shape the social reproduction of populations, instead sticking to notions of welfare chauvinism, social citizenship, and deservingness. Second, welfare/immigration analyses are usually set at the national level, but subnational comparisons can challenge tidy welfare state regime categorizations, revealing both nuance and policy opportunities.

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Examining the prevention approach in National Dementia Plans from European and North American countries.

Front Dement

January 2025

Department of Health Sciences and Technology, ETH Zurich, Zurich, Switzerland.

Objectives: This paper aims to provide a comprehensive review of National Dementia Plans (NDPs) from selected European and North American countries, focusing on the distinct prevention strategies outlined and the approaches employed for reducing dementia risk.

Method: The sample consisted of 16 NDPs from Austria, Canada, Finland, France, Germany, Greece, Ireland, Italy, Liechtenstein, Luxembourg, Malta, the Netherlands, Spain, Switzerland, the UK, and the USA. These NDPs were retrieved from the Alzheimer's Disease International (ADI) database, with regular updates checked on official governmental websites.

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Introduction: The bilateral deficit (BLD) is a reduction in the amount of force during a bilateral task vs. the total force from the unilateral limbs performing the same task. We quantified the BLD during an upper body Wingate Anaerobic Test (WAnT) and evaluated the influence of sex and load on the BLD in force.

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Health literacy in pediatric thrombosis: a landscape analysis.

Res Pract Thromb Haemost

January 2025

Child Health Evaluative Sciences Research Program, Research Institute, The Hospital for Sick Children, Toronto, Ontario, Canada.

Background: Health literacy can influence self-management, leading to improved health outcomes in pediatric patients with venous thrombotic events (VTEs).

Objectives: To assess general health literacy in adolescents and parents/caregivers of children diagnosed with VTE, and their perception and satisfaction with overall thrombosis-related knowledge, thrombosis knowledge compared to that of other conditions, and beliefs regarding thrombosis knowledge importance.

Methods: Patients aged 10 to 18 years with VTE history and parents/caregivers of patients aged 0 to 18 years with VTE attending clinic were recruited in this cross-sectional study.

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The virome, composed of viruses inhabiting diverse ecosystems, significantly influences microbial community dynamics and host health. The phenol-chloroform DNA extraction protocol for viromes, though effective, is time-intensive and requires the use of multiple toxic chemicals. This study introduces a streamlined, scalable protocol for DNA extraction using a commercially-available kit as an alternative, assessing its performance against the phenol-chloroform method across human fecal, mouse fecal, and soil samples.

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The COVID-19 pandemic underscored the critical role of social interaction technologies (SITs) in mitigating loneliness and social isolation, particularly among older adults. However, challenges such as the digital divide, physical and cognitive declines, and digital literacy gaps persist. This article seeks to explore the drivers, drawbacks, and prospects of SITs' adoption during the pandemic.

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Permafrost thaw poses diverse risks to Arctic environments and livelihoods. Understanding the effects of permafrost thaw is vital for informed policymaking and adaptation efforts. Here, we present the consolidated findings of a risk analysis spanning four study regions: Longyearbyen (Svalbard, Norway), the Avannaata municipality (Greenland), the Beaufort Sea region and the Mackenzie River Delta (Canada) and the Bulunskiy District of the Sakha Republic (Russia).

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Questions about when early members of the genus adapted to extreme environments like deserts and rainforests have traditionally focused on . Here, we present multidisciplinary evidence from Engaji Nanyori in Tanzania's Oldupai Gorge, revealing that thrived in hyperarid landscapes one million years ago. Using biogeochemical analyses, precise chronometric dating, palaeoclimate simulations, biome modeling, fire history reconstructions, palaeobotanical studies, faunal assemblages, and archeological evidence, we reconstruct an environment dominated by semidesert shrubland.

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As a result of the significant changes in businesses around the globe such as the generalization of remote working and digital transformation, the boundaries between work and private life tend to vanish, causing concerns about whether individuals' investment in their work could have detrimental effects on their life and health. In such context, the notion of heavy work investment, an umbrella construct that subsumes different forms of investment of the self into the work domain, warrants scholarly attention as it may have both a bright and dark side for individuals. The present study focuses on three forms of heavy work investment, i.

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Background: Accurate assessment of oxygen delivery relative to oxygen demand is crucial in the care of a critically ill patient. The central venous oxygen saturation (Svo) enables an estimate of cardiac output yet obtaining these clinical data requires invasive procedures and repeated blood sampling. Interpretation remains subjective and vulnerable to error.

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Alzheimer's disease (AD) is an age-related neurodegenerative pathology. Brain-derived extracellular vesicles (EVs) have been demonstrated to be implicated in AD pathogenesis by facilitating the propagation of Tau, amyloid-β and inflammatory cytokines. However, the impact of peripheral EVs (pEVs) in AD pathogenesis remains poorly investigated.

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Higher cardiorespiratory fitness levels attenuate but do not negate the heightened risk of sudden cardiac death due to obesity: A prospective cohort study.

Int J Cardiol Heart Vasc

February 2025

Section of Cardiology, Department of Internal Medicine, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Saint Boniface Hospital, Winnipeg, Manitoba, R2H 2A6, Canada.

Background: Higher levels of CRF have been demonstrated to attenuate or negate the adverse cardiovascular impacts of other risk factors. We aimed to assess the interplay between body mass index (BMI), CRF and sudden cardiac death (SCD) risk.

Methods: Body mass index was calculated based on guideline recommendations and CRF assessed using a respiratory gas exchange analyzer during clinical exercise testing at baseline in 2308 men aged 42-61 years of age.

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Haloacetonitriles (HANs) are a class of toxic drinking water disinfection byproducts (DBPs). However, the toxicity mechanisms of HANs remain unclear. We herein investigated the structure-related in vitro toxicity of 6 representative HANs by utilizing complementary bioanalytical approaches.

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Terrestrial bird populations on small, species depauperate islands often experience selection for generalist foraging traits via ecological release; however, it is unclear how island conditions may uniquely influence other life-history characteristics of small-island birds, such as the unusually high rates of molt-breeding overlap exhibited on the island of Grenada. To explore this question, we collected data on the life cycles and diets of 10 commonly occurring Grenadian bird species to assess the degree of generalist foraging and evaluate how seasonal patterns in diet niche breadth and diet overlap among species relates to the high rates of molt-breeding overlap. We evaluated three hypotheses explaining drivers of molt-breeding overlap (constraints on molt rate, unpredictable food abundance, and limited duration of food abundance), and suggest that widespread overlap in small-island tropical communities may be the result of generalist foraging adaptations and restricted time periods of sufficient invertebrate availability for successful breeding and molt to occur.

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Retention forestry involves leaving single or groups of unharvested trees within harvest areas. Patch retention, which resembles structures such as unburned patches remaining after wildfire, is one practice implemented within the framework of Ecosystem-based Forest Management (EBM), which seeks to use natural forests as a model and minimize differences in natural and managed forests. Despite the widespread adoption of patch retention practices, few comparisons of the attributes of postfire and postharvest islands, or their drivers, have been made.

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Spatial datasets of CMIP6 climate change projections for Canada and the United States.

Data Brief

February 2025

Great Lakes Forestry Centre, Natural Resources Canada, 1219 Queen Street East, Sault Ste Marie, Ontario P6A 2E5, Canada.

Geospatial climate change projections are critical for assessing climate change impacts and adaptations across a wide range of disciplines. Here we present monthly-based grids of climate change projections at a 2-km resolution covering Canada and the United States. These data products are based on outputs from the 6th Coupled Model Intercomparison Project (CMIP6) and include projections for 13 General Circulation Models (GCMs), three Shared Socio-economic Pathways (SSP1 2.

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Introduction: Idiopathic intracranial hypertension (IIH) is known to elevate cardiovascular disease (CVD) risk, but the extent to which obesity and IIH-specific factors contribute to this risk is not well understood. WE aim to separate the effects of obesity from IIH-specific factors on the risk of stroke and CVD, building on previous findings that indicate a two-fold increase in cardiovascular events in women with IIH compared to BMI-matched controls.

Methods: An obesity-adjusted risk analysis was conducted using Indirect Standardization based on data from a cohort study by Adderley et al.

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Renal cell carcinoma (RCC) has been known for its high propensity of metastasis to unusual locations, and jaw bones (JBs) are one among those sites. The literature has reported several studies analyzing metastatic tumors to the oral region, but very little research work has been published to date to analyze solely JB metastasis (JBM) via RCC. The goal of this study was to examine the published cases of metastasis to JBs from RCC as the sole primary source till date.

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Background: Obinutuzumab was approved in China in June 2021 used in combination with chemotherapy (followed by obinutuzumab maintenance) for the treatment of adult patients with previously untreated stage II bulky, III, or IV follicular lymphoma (FL). The clinical application of obinutuzumab has recently begun in China, but there is a lack of evidence to determine under which circumstances it should be considered the treatment of choice. A comprehensive assessment is necessary to evaluate the efficacy, safety, and cost-effectiveness of obinutuzumab in adult patients with FL.

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Within-host genetic diversity of SARS-CoV-2 across animal species.

Virus Evol

December 2024

Department of Microbiology and Immunology, McGill University, 3775 University Street Montreal, QC H3A 2B4, Canada.

Infectious disease transmission to different host species makes eradication very challenging and expands the diversity of evolutionary trajectories taken by the pathogen. Since the beginning of the ongoing COVID-19 pandemic, SARS-CoV-2 has been transmitted from humans to many different animal species, in which viral variants of concern could potentially evolve. Previously, using available whole genome consensus sequences of SARS-CoV-2 from four commonly sampled animals (mink, deer, cat, and dog), we inferred similar numbers of transmission events from humans to each animal species.

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and , two new species from North America.

Fungal Syst Evol

December 2024

Department of Natural History, New Brunswick Museum, Saint John, New Brunswick, E2K 1E5, Canada.

Two new species of . and , are formally described from eastern and midwestern North America based on molecular data, morphological characters and geographic distribution pattern. They are found in summer and fall in hardwood forests including (, ) and in grassy clearings and nutrient-rich soils.

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a new species from Western North America.

Fungal Syst Evol

December 2024

1430 W. Wagon Wheel Rd., Cottonwood, Arizona, USA.

A new species of section is described based on collections made in Arizona (USA). The new species is found in high-elevation, conifer dominated forests in the American Southwest, and it fruits directly on conifer wood or wood debris/conifer duff under . Based on the phylogenetic analyses of ITS and translation elongation factor 1-alpha () sequences, is closely related to , but it differs in the smaller basidiospores, less distinct ornamentation on the pleurocystidia and habitat.

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