414 results match your criteria: "University of Bristol Bristol[Affiliation]"
Guillain-Barré syndrome (GBS) is characterized classically by progressive and symmetrical motor weakness and areflexia. We describe a case of GBS with initially preserved reflexes and power, leading to delayed diagnosis, who latterly required urgent ventilator support and plasmapharesis to highlight the importance of considering atypical presentations of this common condition.
View Article and Find Full Text PDFThe importance of embedding participatory methods within youth mental health research is well accepted and often a funding prerequisite. However, we argue that there is a need to revisit the core values of the approach in order to ensure that participatory methods remain meaningful, effective and authentic. This should entail rigorously examining 'why' and 'how' to approach participatory methods - not merely outlining the 'what' and 'when'.
View Article and Find Full Text PDFAm J Cancer Res
November 2024
Section of Hygiene, University Department of Life Sciences and Public Health, Università Cattolica del Sacro Cuore Rome, Italy.
The aim of this study is to investigate the prognostic role of body mass index (BMI) on survival from head and neck cancer (HNC). We performed a pooled analysis of studies included in the International Head and Neck Cancer Epidemiology consortium. We used Cox proportional hazards models to estimate the adjusted hazard ratios (HR) for overall survival and HNC-specific survival, and we stratified the results according to cancer site.
View Article and Find Full Text PDFEcol Evol
December 2024
State Key Laboratory of Palaeobiology and Stratigraphy Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences Nanjing China.
The term 'sixth mass extinction' has become synonymous with the current biodiversity crisis. However, despite a general agreement that current biodiversity declines are severe, no consensus has been reached on whether this constitutes a 'mass extinction event', and thus, whether our current situation is comparable to the catastrophic extinction events of deep time. Here, we suggest that our inability to gauge whether the current biodiversity crisis is a mass extinction event may lie less in quantifiable evidence and more in the language used to define such events.
View Article and Find Full Text PDFEnvironmental conditions in freshwater ecosystems are increasingly determined by human activity. Increased temperature and light intensity are among the anthropogenic stressors dramatically altering these ecosystems, for example, through deforestation that reduces canopy cover of riparian vegetation. Simultaneous exposure to multiple stressors complicates predictions of responses to environmental stressors due to potential interactions, yet the interaction between temperature and light intensity on feeding motivation remains poorly understood.
View Article and Find Full Text PDFEnviron Res
January 2025
Amsterdam UMC location University of Amsterdam, Epidemiology and Data Science, Meibergdreef 9, Amsterdam, Netherlands; Amsterdam Reproduction & Development programs, Amsterdam, Netherlands; Amsterdam Public Health, Aging & Later Life and Mental Health programs, Amsterdam, Netherlands.
Objectives: Evidence suggests that high levels of air pollution and less green space increase depressive symptoms in adults. However, results are mixed and cross-cohort comparisons are scarce, largely due to heterogeneity in exposure assessment. Also, the impact of these exposures on the trajectory of depressive symptoms over time has been less studied.
View Article and Find Full Text PDFThe microfossil record contains abundant, diverse, and well-preserved fossils spanning multiple trophic levels from primary producers to apex predators. In addition, microfossils often constitute and are preserved in high abundances alongside continuous high-resolution geochemical proxy records. These characteristics mean that microfossils can provide valuable context for understanding the modern climate and biodiversity crises by allowing for the interrogation of spatiotemporal scales well beyond what is available in neo-ecological research.
View Article and Find Full Text PDFIntroduction: The prevalence of abdominal injuries in war and conflict zones, particularly in low- and middle-income countries (LMICs), presents a significant healthcare challenge. These injuries, often resulting from explosive devices, firearms, and shrapnel, lead to high morbidity and mortality rates due to delayed diagnoses, inadequate medical infrastructure, and limited access to specialised care. This review aims to summarise the literature on conflict-related abdominal injuries in LMICs, highlighting the impact of such trauma on healthcare systems and patient outcomes, and suggesting strategies for improvement.
View Article and Find Full Text PDFBJUI Compass
October 2024
Bristol Urological Institute, Southmead Hospital North Bristol NHS Trust Bristol UK.
Objective: The objective of this study was to measure and describe the national patient experience of radical cystectomy (RC) pathways in the UK using the validated Cystectomy-Pathway Assessment Tool (C-PAT).
Patients And Methods: A cohort of 1081 patients who underwent RC for bladder cancer, between 1 January 2021 and 31 July 2022 at 33 UK cystectomy centres, returned completed C-PAT responses. SPSS was employed for data summary statistics, including median, interquartile range, Mann Whitney U test or Chi-square test with a 95% confidence interval to assess statistical significance between potentially associated variables.
Background: Several protective factors have been identified for mental health (MH) resilience in adolescent offspring of depressed parents. However, it is unclear if these effects persist into adulthood.
Methods: Depressed parents and their offspring ( = 188) from the Early Prediction of Adolescent Depression study were assessed four times (mean offspring ages 12.
Chem Sci
September 2024
Centre for Computational Chemistry, School of Chemistry, University of Bristol BS8 1TS UK
β-Lactamases, which hydrolyse β-lactam antibiotics, are key determinants of antibiotic resistance. Predicting the sites and effects of distal mutations in enzymes is challenging. For β-lactamases, the ability to make such predictions would contribute to understanding activity against, and development of, antibiotics and inhibitors to combat resistance.
View Article and Find Full Text PDFJ Anal At Spectrom
October 2024
Bristol Isotope Group, School of Earth Science, University of Bristol Bristol BS8 1RJ UK
We have developed a new method for measuring mass dependent Si isotope fractionation critical mixture double-spiking. Samples need to be spiked before column chemistry to guarantee full equilibrium between the sample and double-spike (Si-Si spike). An iterative addition of the double-spike to the sample, usually 2-4 times, is needed to generate a solution very close to the critically spiked mixture.
View Article and Find Full Text PDFSpecies experience a variety of environmental and anthropogenic conditions across their ranges leading to spatial variation in population dynamics. Understanding population dynamics under different conditions is important but it is challenging to allocate limited effort to spatial and temporal subpopulation monitoring. Using GLMMs, we analyze survey data of a metapopulation of coconut crabs spanning 7 years and 15 sites in and near the Pemba archipelago, Zanzibar, to estimate trends in population size (based on catch per unit effort), weight and sex ratio at the meta- and subpopulation level and investigate anthropogenic drivers of these trends.
View Article and Find Full Text PDFCien Saude Colet
September 2024
Programa de Pós-Graduação em Epidemiologia, Universidade Federal de Pelotas. R. Marechal Deodoro 1160, Centro, 3º andar. 96020-220 Pelotas RS Brasil.
Intimate Partner Violence (IPV) among youth is a public health problem worldwide because of its high prevalence and lifelong serious consequences in health and quality of life. This cross-sectional census aimed to describe the IPV victimization among all freshman students in a Brazilian university (n=1,509), which was selected from a larger population of 2,706 freshmen. We created a 10-item questionnaire inspired by established instruments to measure the prevalence of IPV.
View Article and Find Full Text PDFCien Saude Colet
September 2024
Grupo de Pesquisa e Intervenção Violência e Gênero nas Práticas de Saúde, Departamento de Medicina Preventiva, Faculdade de Medicina, Universidade de São Paulo. Av. Dr Arnaldo 455, Cerqueira César. 01246-903 São Paulo SP Brasil.
The aim was to analyse and improve the Primary Health Care (PHC) response to domestic violence against women (DVAW) by developing, implementing and evaluating an intervention. A pilot study evaluating the before and after of intervention implementation, using mixed methods and carried out in three phases - formative, intervention and evaluation - between August 2017 and March 2019 in two Basic Health Units (UBS) in the city of São Paulo. In this paper, we present the details and evaluation of the intervention, carried out six to twelve months after its implementation.
View Article and Find Full Text PDFThe abyssomicins are a structurally intriguing family of bioactive natural products that include compounds with potent antibacterial, antitumour and antiviral activities. The biosynthesis of the characteristic abyssomicin spirotetronate core occurs an enzyme-catalysed intramolecular Diels-Alder reaction, which proceeds one of two distinct stereochemical pathways to generate products differing in configuration at the C15 spirocentre. Using the purified spirotetronate cyclases AbyU (from abyssomicin C/atrop-abyssomicin C biosynthesis) and AbmU (from abyssomicin 2/neoabyssomicin biosynthesis), in combination with synthetic substrate analogues, here we show that stereoselectivity in the spirotetronate-forming [4 + 2]-cycloaddition is controlled by a combination of factors attributable to both the enzyme and substrate.
View Article and Find Full Text PDFRSC Chem Biol
July 2024
Department of Cell and Chemical Biology, Leiden University Medical Centre 2300 RC Leiden The Netherlands
The human complement pathway plays a pivotal role in immune defence, homeostasis, and autoimmunity regulation, and complement-based therapeutics have emerged as promising interventions, with both antagonistic and agonistic approaches being explored. The classical pathway of complement is initiated when the C1 complex binds to hexameric antibody platforms. Recent structural data revealed that C1 binds to small, homogeneous interfaces at the periphery of the antibody platforms.
View Article and Find Full Text PDFThe activity of many animals follows recurrent patterns and foraging is one of the most important processes in their daily activity. Determining movement in the search for resources and understanding temporal and spatial patterns in foraging has therefore long been central in behavioural ecology. However, identifying and monitoring animal movements is often challenging.
View Article and Find Full Text PDFEcol Evol
July 2024
State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology Chinese Academy of Sciences Nanjing China.
Beetles have a remote evolutionary history dating back to the Carboniferous, with Mesozoic fossils playing a pivotal role in elucidating the early evolution of extant families. Despite their exceptional preservation in amber, deciphering the systematic positions of Mesozoic trogossitid-like beetles remains challenging. Here, we describe and illustrate a new trogossitid-like lineage from mid-Cretaceous Kachin amber, Li, Kolibáč, Liu & Cai, gen.
View Article and Find Full Text PDFResearch at the intersection of social science and genomics, 'sociogenomics', is transforming our understanding of the interplay between genomics, individual outcomes and society. It has interesting and maybe unexpected implications for education research and policy. Here we review the growing sociogenomics literature and discuss its implications for educational researchers and policymakers.
View Article and Find Full Text PDFFloral temperature is a flower characteristic that has the potential to impact the fitness of flowering plants and their pollinators. Likewise, the presence of floral temperature patterns, areas of contrasting temperature across the flower, can have similar impacts on the fitness of both mutualists. It is currently poorly understood how floral temperature changes under the influence of different weather conditions, and how floral traits may moderate these changes.
View Article and Find Full Text PDFEcol Evol
June 2024
State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology Chinese Academy of Sciences Nanjing China.
A new species of the extant staphylinid genus Moore & Legner, sp. nov., is reported from mid-Cretaceous Kachin amber of northern Myanmar.
View Article and Find Full Text PDFEcol Evol
May 2024
Ecology and Evolutionary Biology, School of Biological Sciences University of Reading Reading UK.
Climate change majorly impacts biodiversity in diverse regions across the world, including South Asia, a megadiverse area with heterogeneous climatic and vegetation regions. However, climate impacts on bats in this region are not well-studied, and it is unclear whether climate effects will follow patterns predicted in other regions. We address this by assessing projected near-future changes in climatically suitable areas for 110 bat species from South Asia.
View Article and Find Full Text PDFBJUI Compass
May 2024
Bristol Urological Institute, Southmead Hospital North Bristol Trust Bristol UK.
Objective: To systematically summarise the current clinical evidence for de novo malignant upper urinary tract obstruction treatment with a focus on standards of reporting, patient outcomes and future research needs.
Methods: This review protocol was published via PROSPERO (CRD42022341588). OVID MEDLINE (R), EMBASE, Cochrane Central Register of Controlled Trials-CENTRAL were searched up to June 2022 in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-analyses.