266 Works

Rapid desensitization through immunoadsorption during cardiopulmonary bypass. A novel method to facilitate human leukocyte antigen incompatible heart transplantation

Richard W Issitt, Eamonn Cudworth, Mario Cortina-Borja, Arun Gupta, Delordson Kallon, Richard Crook, Michael Shaw, Alex Robertson, Victor T Tsang, Sophie Henwood, Vivek Muthurangu, Neil J Sebire, Michael Burch & Matthew Fenton
BackgroundAnti-human leukocyte antigen (HLA)-antibody production represents a major barrier to heart transplantation, limiting recipient compatibility with potential donors and increasing the risk of complications with poor waiting-list outcomes. Currently there is no consensus to when desensitization should take place, and through what mechanism, meaning that sensitized patients must wait for a compatible donor for many months, if not years. We aimed to determine if intraoperative immunoadsorption could provide a potential desensitization methodology.MethodsAnti-HLA antibody-containing whole blood...

Trends, challenges, and priorities for shared decision making in mental health: The first umbrella review

Marta Chmielowska, Yaara Zisman-Ilani, Rob Saunders & Stephen Pilling
Background:Shared decision making (SDM) is a health communication model promoting patient-centered care that has not been routinely utilized in mental health. Inconsistent definitions, models, measurement tools, and lack of sufficient evidence for the effectiveness of SDM interventions are potential contributors to the limited use of SDM in mental health.Aims:(1) Provide the first systematic analysis of global development trends and challenges of SDM research; (2) clarify the meaning, role, and measurement of SDM in mental health;...

Trends, challenges, and priorities for shared decision making in mental health: The first umbrella review

Marta Chmielowska, Yaara Zisman-Ilani, Rob Saunders & Stephen Pilling
Background:Shared decision making (SDM) is a health communication model promoting patient-centered care that has not been routinely utilized in mental health. Inconsistent definitions, models, measurement tools, and lack of sufficient evidence for the effectiveness of SDM interventions are potential contributors to the limited use of SDM in mental health.Aims:(1) Provide the first systematic analysis of global development trends and challenges of SDM research; (2) clarify the meaning, role, and measurement of SDM in mental health;...

A novel rotation method with variable-angle anterior probe for correcting the depth of the kidney to optimize renal dynamic imaging

Hua Wei, Ke Han, Jiaojiao Wu, Guang Hu, Zhifang Wu, Hongliang Wang, Xiaoshan Guo, Yansong Hou, Rui Wang & Sijin Li
Abstract Purpose We aimed to investigate the effect and significance of the rotation method with variable-angle anterior probe corrected for the depth of two kidneys on the determination of glomerular filtration rate (GFR) in total and single kidneys by the renal dynamic imaging Gates method. Methods Seventy-two patients who underwent dynamic renal imaging by the rotation method and abdominal CT in our hospital were collected in the present study. CT scanning, rotation method, Tonnesen's formula,...

Stress response during early sedation with dexmedetomidine compared with usual-care in ventilated critically ill patients

John P. R. Moore, Yahya Shehabi, Michael C. Reade, Michael Bailey, John F. Fraser, Lauren Murray, Christopher Anstey & Mervyn Singer
Abstract Background Sedative agents may variably impact the stress response. Dexmedetomidine is a sympatholytic alpha2-adrenergic agonist mainly used as a second-line sedative agent in mechanically ventilated patients. We hypothesised that early sedation with dexmedetomidine as the primary agent would result in a reduced stress response compared to usual sedatives in critically ill ventilated adults. Methods This was a prospective sub-study nested within a multi-centre randomised controlled trial of early sedation with dexmedetomidine versus usual care....

New Baitouweng decoction combined with fecal microbiota transplantation alleviates DSS-induced colitis in rats by regulating gut microbiota metabolic homeostasis and the STAT3/NF-κB signaling pathway

Xin Gu, Zhiwei Miao, Yantian Wang, Yue Yang, Tongtong Yang & Yi Xu
Abstract Aim of the study We aimed to elucidate the synergistic effect and potential mechanism of New Baitouweng Decoction (NBD) combined with fecal microbiota transplantation (FMT) in rats with DSS-induced ulcerative colitis (UC). Materials and methods Colitis was induced by 5% (w/v) dextran sulfate sodium (DSS) in drinking water for 7 days. NBD or NBD combined with FMT were administered to the colitis rats. Body weight and disease activity index were measured, and the colon...

MEDICC2: whole-genome doubling aware copy-number phylogenies for cancer evolution

Tom L. Kaufmann, Marina Petkovic, Thomas B. K. Watkins, Emma C. Colliver, Sofya Laskina, Nisha Thapa, Darlan C. Minussi, Nicholas Navin, Charles Swanton, Peter Van Loo, Kerstin Haase, Maxime Tarabichi & Roland F. Schwarz
Abstract Aneuploidy, chromosomal instability, somatic copy-number alterations, and whole-genome doubling (WGD) play key roles in cancer evolution and provide information for the complex task of phylogenetic inference. We present MEDICC2, a method for inferring evolutionary trees and WGD using haplotype-specific somatic copy-number alterations from single-cell or bulk data. MEDICC2 eschews simplifications such as the infinite sites assumption, allowing multiple mutations and parallel evolution, and does not treat adjacent loci as independent, allowing overlapping copy-number events....

A randomised controlled trial of acceptance and commitment therapy plus usual care compared to usual care alone for improving psychological health in people with motor neuron disease (COMMEND): study protocol

Rebecca L. Gould, Benjamin J. Thompson, Charlotte Rawlinson, Pavithra Kumar, David White, Marc A. Serfaty, Christopher D. Graham, Lance M. McCracken, Matt Bursnall, Mike Bradburn, Tracey Young, Robert J. Howard, Ammar Al-Chalabi, Laura H. Goldstein, Vanessa Lawrence, Cindy Cooper, Pamela J. Shaw & Christopher J. McDermott
Abstract Background Motor neuron disease (MND) is a rapidly progressive, fatal neurodegenerative disease that predominantly affects motor neurons from the motor cortex to the spinal cord and causes progressive wasting and weakening of bulbar, limb, abdominal and thoracic muscles. Prognosis is poor and median survival is 2–3 years following symptom onset. Psychological distress is relatively common in people living with MND. However, formal psychotherapy is not routinely part of standard care within MND Care Centres/clinics...

Prevalence Difference of Helicobacter pylori Infection Between Tibetan and Han Ethnics in China: A Meta-analysis on Epidemiologic Studies (SIGES)

Dan Bai, Kai Liu, Rui Wang, Wei-Han Zhang, Xin-Zu Chen & Jian-Kun Hu
China is a multi-ethnic country, and the prevalence of Helicobacter pylori (H pylori) infection may be diverse among ethnics. This meta-analysis was conducted to compare the prevalence of H pylori infection between Tibetans and Han ethnics. Ten studies that reported the prevalence of H pylori infection between Tibetans and Hans in China were eligible. The pooled prevalence of H pylori infection was 62.2% versus 55.3% among Tibetans and Hans, respectively. Tibetans had a higher risk...

Juvenile idiopathic arthritis polygenic risk scores are associated with cardiovascular phenotypes in early adulthood: a phenome-wide association study

Sarah L. N. Clarke, Hannah J. Jones, Gemma C. Sharp, Kayleigh E. Easey, Alun D. Hughes, Athimalaipet V. Ramanan & Caroline L. Relton
Abstract Background There is growing concern about the long-term cardiovascular health of patients with juvenile idiopathic arthritis (JIA). In this study we assessed the association between JIA polygenic risk and cardiovascular phenotypes (cardiovascular risk factors, early atherosclerosis/arteriosclerosis markers, and cardiac structure and function measures) early in life. Methods JIA polygenic risk scores (PRSs) were constructed for 2,815 participants from the Avon Longitudinal Study of Parents and Children, using the single nucleotide polymorphism (SNP) weights from...

Supplementary Information for \"Parametric Analysis of an Efficient Boundary Condition to Control Outlet Flow Rates in Large Arterial Networks\"

Sharp C. Y. Lo, Jon McCullough & Peter Coveney
This collection is Supplementary Information for the paper titled “Parametric Analysis of an Efficient Boundary Condition to Control Outlet Flow Rates in Large Arterial Networks” by Sharp C. Y. Lo, Jon W. S. McCullough, and Peter V. Coveney (2022). The corresponding author is Prof. Peter V. Coveney (p.v.coveney@ucl.ac.uk).
Please find the contents at the bottom of this page.

Summarising data and factors associated with COVID-19 related conspiracy theories in the first year of the pandemic: a systematic review and narrative synthesis

Konstantinos Tsamakis, Dimitrios Tsiptsios, Brendon Stubbs, Ruimin Ma, Eugenia Romano, Christoph Mueller, Ayesha Ahmad, Andreas S. Triantafyllis, George Tsitsas & Elena Dragioti
Abstract Conspiracy theories can have particularly harmful effects by negatively shaping health-related behaviours. A significant number of COVID-19 specific conspiracy theories emerged in the immediate aftermath of the pandemic outbreak. The aim of this study was to systematically review the literature on conspiracy theories related to COVID-19 during the first year of the pandemic (2020), to identify their prevalence, their determinants and their public health consequences. A comprehensive literature search was carried out in PubMed...

Bioinformatics tools and data resources for assay development of fluid protein biomarkers

Katharina Waury, Eline A. J. Willemse, Eugeen Vanmechelen, Henrik Zetterberg, Charlotte E. Teunissen & Sanne Abeln
Abstract Fluid protein biomarkers are important tools in clinical research and health care to support diagnosis and to monitor patients. Especially within the field of dementia, novel biomarkers could address the current challenges of providing an early diagnosis and of selecting trial participants. While the great potential of fluid biomarkers is recognized, their implementation in routine clinical use has been slow. One major obstacle is the often unsuccessful translation of biomarker candidates from explorative high-throughput...

Patient characteristics associated with retrospectively self-reported treatment outcomes following psychological therapy for anxiety or depressive disorders - a cohort of GLAD study participants

Christopher Rayner, Jonathan R.I. Coleman, Megan Skelton, Cherie Armour, John Bradley, Joshua E.J. Buckman, Molly R. Davies, Colette R. Hirsch, Matthew Hotopf, Christopher Hübel, Ian R. Jones, Gursharan Kalsi, Nathalie Kingston, Georgina Krebs, Yuhao Lin, Dina Monssen, Andrew M. McIntosh, Jessica R. Mundy, Alicia J. Peel, Katharine A. Rimes, Henry C. Rogers, Daniel J. Smith, Abigail R. ter Kuile, Katherine N. Thompson, David Veale … & Thalia C. Eley
Abstract Background Progress towards stratified care for anxiety and depression will require the identification of new predictors. We collected data on retrospectively self-reported therapeutic outcomes in adults who received psychological therapy in the UK in the past ten years. We aimed to replicate factors associated with traditional treatment outcome measures from the literature. Methods Participants were from the Genetic Links to Anxiety and Depression (GLAD) Study, a UK-based volunteer cohort study. We investigated associations between...

Segregationally stabilised plasmids improve production of commodity chemicals in glucose-limited continuous fermentation

James R. Allen, Mario A. Torres-Acosta, Naresh Mohan, Gary J. Lye & John M. Ward
Abstract Background The production of chemicals via bio-based routes is held back by limited easy-to-use stabilisation systems. A wide range of plasmid stabilisation mechanisms can be found in the literature, however, how these mechanisms effect genetic stability and how host strains still revert to non-productive variants is poorly understood at the single-cell level. This phenomenon can generate difficulties in production-scale bioreactors as different populations of productive and non-productive cells can arise. To understand how to...

Patient characteristics associated with retrospectively self-reported treatment outcomes following psychological therapy for anxiety or depressive disorders - a cohort of GLAD study participants

Christopher Rayner, Jonathan R.I. Coleman, Megan Skelton, Cherie Armour, John Bradley, Joshua E.J. Buckman, Molly R. Davies, Colette R. Hirsch, Matthew Hotopf, Christopher Hübel, Ian R. Jones, Gursharan Kalsi, Nathalie Kingston, Georgina Krebs, Yuhao Lin, Dina Monssen, Andrew M. McIntosh, Jessica R. Mundy, Alicia J. Peel, Katharine A. Rimes, Henry C. Rogers, Daniel J. Smith, Abigail R. ter Kuile, Katherine N. Thompson, David Veale … & Thalia C. Eley
Abstract Background Progress towards stratified care for anxiety and depression will require the identification of new predictors. We collected data on retrospectively self-reported therapeutic outcomes in adults who received psychological therapy in the UK in the past ten years. We aimed to replicate factors associated with traditional treatment outcome measures from the literature. Methods Participants were from the Genetic Links to Anxiety and Depression (GLAD) Study, a UK-based volunteer cohort study. We investigated associations between...

WY-14643 attenuates lipid deposition via activation of the PPARα/CPT1A axis by targeting Gly335 to inhibit cell proliferation and migration in ccRCC

Rui Wang, Jun Zhao, Jiacheng Jin, Yun Tian, Lan Lan, Xuejian Wang, Liang Zhu & Jianbo Wang
Abstract Background Histologically, cytoplasmic deposits of lipids and glycogen are common in clear cell renal cell carcinoma (ccRCC). Owing to the significance of lipid deposition in ccRCC, numerous trials targeting lipid metabolism have shown certain therapeutic potential. The agonism of peroxisome proliferator-activated receptor-α (PPARα) via ligands, including WY-14,643, has been considered a promising intervention for cancers. Methods First, the effects of WY-14,643 on malignant behaviors were investigated in ccRCC in vitro. After RNA sequencing, the...

Juvenile Dermatomyositis: what comes next? Long-term outcomes in childhood myositis from a patient perspective

C. Boros, L. McCann, S. Simou, D. Cancemi, N. Ambrose, C. A. Pilkington, M. Cortina-Borja & L. R Wedderburn
Abstract Background To describe long-term outcomes in JDM using patient questionnaires and link to longitudinal, prospectively collected data for each patient within the Juvenile Dermatomyositis Cohort and Biomarker Study, UK and Ireland (JDCBS) to determine outcome predictors. Methods JDCBS participants aged ≥ 16y completed the SF36, HAQ and a questionnaire regarding current disease features, medications, education and employment. Data collected from the JDCBS included disease subtype, demographics, clinical and laboratory features. Intensity indices were calculated...

Imaging features associated with H3 K27-altered and H3 G34-mutant gliomas: a narrative systematic review

Arian Lasocki, Gehad Abdalla, Geoffrey Chow & Stefanie C. Thust
Abstract Background Advances in molecular diagnostics accomplished the discovery of two malignant glioma entities harboring alterations in the H3 histone: diffuse midline glioma, H3 K27-altered and diffuse hemispheric glioma, H3 G34-mutant. Radiogenomics research, which aims to correlate tumor imaging features with genotypes, has not comprehensively examined histone-altered gliomas (HAG). The aim of this research was to synthesize the current published data on imaging features associated with HAG. Methods A systematic search was performed in March...

VHHs as tools for therapeutic protein delivery to the central nervous system

Yessica Wouters, Tom Jaspers, Laura Rué, Lutgarde Serneels, Bart De Strooper & Maarten Dewilde
Abstract Background The blood brain barrier (BBB) limits the therapeutic perspective for central nervous system (CNS) disorders. Previously we found an anti-mouse transferrin receptor (TfR) VHH (Nb62) that was able to deliver a biologically active neuropeptide into the CNS in mice. Here, we aimed to test its potential to shuttle a therapeutic relevant cargo. Since this VHH could not recognize the human TfR and hence its translational potential is limited, we also aimed to find...

Risk of thyroid dysfunction associated with mRNA and inactivated COVID-19 vaccines: a population-based study of 2.3 million vaccine recipients

Carlos King Ho Wong, David Tak Wai Lui, Xi Xiong, Celine Sze Ling Chui, Francisco Tsz Tsun Lai, Xue Li, Eric Yuk Fai Wan, Ching Lung Cheung, Chi Ho Lee, Yu Cho Woo, Ivan Chi Ho Au, Matthew Shing Hin Chung, Franco Wing Tak Cheng, Kathryn Choon Beng Tan & Ian Chi Kei Wong
Abstract Background In view of accumulating case reports of thyroid dysfunction following COVID-19 vaccination, we evaluated the risks of incident thyroid dysfunction following inactivated (CoronaVac) and mRNA (BNT162b2) COVID-19 vaccines using a population-based dataset. Methods We identified people who received COVID-19 vaccination between 23 February and 30 September 2021 from a population-based electronic health database in Hong Kong, linked to vaccination records. Thyroid dysfunction encompassed anti-thyroid drug (ATD)/levothyroxine (LT4) initiation, biochemical picture of hyperthyroidism/hypothyroidism, incident...

The bacterial consortia promote plant growth and secondary metabolite accumulation in Astragalus mongholicus under drought stress

Yixian Lin, Hui Zhang, Peirong Li, Juan Jin & Zhefei Li
Abstract Astragalus mongholicus is a widely used Traditional Chinese Medicine. However, cultivated A. mongholicus is often threatened by water shortage at all growth stage, and the content of medicinal compounds of cultivated A. mongholicus is much lower than that of wild plants. To alleviate drought stress on A. mongholicus and improve the accumulation of medicinal components in roots of A. mongholicus, we combined different bacteria with plant growth promotion or abiotic stress resistance characteristics and...

The bacterial consortia promote plant growth and secondary metabolite accumulation in Astragalus mongholicus under drought stress

Yixian Lin, Hui Zhang, Peirong Li, Juan Jin & Zhefei Li
Abstract Astragalus mongholicus is a widely used Traditional Chinese Medicine. However, cultivated A. mongholicus is often threatened by water shortage at all growth stage, and the content of medicinal compounds of cultivated A. mongholicus is much lower than that of wild plants. To alleviate drought stress on A. mongholicus and improve the accumulation of medicinal components in roots of A. mongholicus, we combined different bacteria with plant growth promotion or abiotic stress resistance characteristics and...

The mSteps pilot study: Analysis of the distance walked using a novel smartphone application in multiple sclerosis

Sarah Alexander, Marie Braisher, Carmen Tur & Jeremy Chataway
Background:Clinical studies in multiple sclerosis (MS) often require accurate measurement of walking distance. Utilisation of electronic devices could theoretically improve this. Mobile devices have the potential to continuously monitor health by collecting movement data. Popular fitness trackers record steps taken and distance travelled, typically using a fixed-stride length. However, applications using fixed-stride length may be less accurate in those with altered gait patterns. While useful for everyday purposes, medical monitoring requires greater accuracy.Objective:Our aim was...

VPS dependency after aneurysmal subarachnoid haemorrhage and influence of admission hyperglycaemia

Isabel Charlotte Hostettler, Nicole Lange, Nina Schwendinger, Gareth Ambler, Theresa Hirle, Samira Frangoulis, Dominik Trost, Jens Gempt, Kornelia Kreiser, Bernhard Meyer, Christof Winter & Maria Wostrack
Introduction:Hydrocephalus after aneurysmal subarachnoid haemorrhage (aSAH) is a common complication which may lead to insertion of a ventriculoperitoneal shunt (VPS). Our aim is to evaluate a possible influence of specific clinical and biochemical factors on VPS dependency with special emphasis on hyperglycaemia on admission.Patients and methods:Retrospective analysis of a monocentric database of aSAH patients. Using univariable and multivariable logistic regression analysis we evaluated factors influencing VPS dependency, with a special focus on hyperglycaemia on blood...

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  • University College London
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  • Chinese Academy of Sciences
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