260 Works

Single-cell transcriptomics reveals the role of Macrophage-Naïve CD4 + T cell interaction in the immunosuppressive microenvironment of primary liver carcinoma

Zhuomao Mo, Daiyuan Liu, Yihan Chen, Jin Luo, Wenjing Li, Jiahui Liu, Ling Yu, Bijun Huang & Shijun Zhang
Abstract Background Liver carcinoma generally presents as an immunosuppressive microenvironment that promotes tumor evasion. The intercellular crosstalk of immune cells significantly influences the construction of an immunosuppressive microenvironment. This study aimed to investigate the important interactions between immune cells and their targeting drugs in liver carcinoma, by using single-cell and bulk transcriptomic data. Methods Single-cell and bulk transcriptomic data were retrieved from Gene Expression Omnibus (GSE159977, GSE136103, and GSE125449) and The Cancer Genome Atlas (TGCA-LIHC),...

The development of a glaucoma-specific health-related quality of life item bank supporting a novel computerized adaptive testing system in Asia

Eva K. Fenwick, Belicia Lim, Ryan E. K. Man, Mani Baskaran, Monisha E. Nongpiur, Chelvin C. A. Sng, Jayant V. Iyer, Rahat Husain, Shamira A. Perera, Tina T. Wong, Jin Rong Low, Olivia Huang Shimin, Katherine Lun, Tin Aung & Ecosse L. Lamoureux
Abstract Background A glaucoma-specific health-related quality of life (HRQoL) item bank (IB) and computerized adaptive testing (CAT) system relevant to Asian populations is not currently available. We aimed to develop content for an IB focusing on HRQoL domains important to Asian people with glaucoma; and to compare the content coverage of our new instrument with established glaucoma-specific instruments. Methods In this qualitative study of glaucoma patients recruited from the Singapore National Eye Centre (November 2018-November...

Gamma-secretase inhibitor does not induce cytotoxicity in adult T-cell leukemia cell lines despite NOTCH1 expression

Shinsuke Suzuki, Sawako Hourai, Kimiharu Uozumi, Yuichirou Uchida, Makoto Yoshimitsu, Hachiman Miho, Naomichi Arima, Shin-ichi Ueno & Kenji Ishitsuka
Abstract Background Activated mutations in NOTCH1 are drivers of T-cell type acute lymphoblastic leukemia/lymphoma. The γ-secretase inhibitor (GSI), which suppresses the function of NOTCH1, is expected to be a molecular-targeted agent. NOTCH1 is also expressed in other malignant neoplasms. We aimed to determine the function of NOTCH1 expression and the effects of GSI on adult T-cell leukemia/lymphoma (ATL) caused by long-term human T-cell leukemia virus type I (HTLV-1) infection. Methods We analyzed the expression of...

Screening for novel risk factors related to high myopia using machine learning

Ruiheng Zhang, Li Dong, Qiong Yang, Wenda Zhou, Haotian Wu, Yifan Li, Heyan Li & Wenbin Wei
Abstract Background High myopia-related complications have become a major cause of irreversible vision loss. Evaluating the association between potential factors and high myopia can provide insights into pathophysiologic mechanisms and further intervention targets for myopia progression. Method Participants aged 12–25 years from National Health and Nutrition Examination Survey 2001–2006 were selected for the analysis. Myopia was defined as spherical equivalent (sum of spherical error and half of the cylindrical error) of any eyes ≤-0.5 diopters....

Upper-Limb Motor Intervention Elements That Drive Improvement in Biomarkers and Clinical Measures Post-Stroke: A Systematic Review in a Systems Paradigm

Matthew Wingfield, Natalie A. Fini, Amy Brodtmann, Gavin Williams, Leonid Churilov & Kathryn S. Hayward
ObjectiveTo use a systems paradigm to examine upper limb (UL) motor intervention elements driving biomarker and clinical measure improvement after stroke.MethodsDatabases were searched up to March 2022. Eligibility screening was completed by 2 authors. Studies using biomarkers and clinical measures pre- and post-upper limb intervention were included. Studies of adjunct interventions (eg, brain stimulation) were excluded. Cochrane Risk-of-Bias tools and Template for Intervention Description and Replication were used to rate studies. Studies were synthesized using...

Two decades of FDG-PET/CT in seminoma: exploring its role in diagnosis, surveillance and follow-up

Ciara Conduit, Thuan Tzen Koh, Michael S Hofman, Guy C Toner, Jeremy Goad, Nathan Lawrentschuk, Keen-Hun Tai, Jeremy H Lewin & Ben Tran
Abstract Background Survivors of testicular cancer may experience long-term morbidity following treatment. There is an unmet need to investigate techniques that can differentiate individuals who need additional therapy from those who do not. 2-18fluoro-deoxy-D-glucose (FDG) positron emission tomography (PET) with computerised tomography (CT) may be helpful in select settings and may be used outside of current evidence-based recommendations in real-world practice. Methods A institutional FDG-PET/CT database of scans performed between 2000 and 2020 for adults...

Profiles of an Ideal Society: The Utopian Visions of Ordinary People

Julian W. Fernando, Nicholas Burden, Madeline Judge, Léan V. O’Brien, Hollis Ashman, Angela Paladino & Yoshihisa Kashima
Throughout history, people have expressed the desire for an ideal society—a utopia. These imagined societies have motivated action for social change. Recent research has demonstrated this motivational effect among ordinary people in English-speaking countries, but we know little about the specific content of ordinary people’s utopian visions in different cultures. Here we report that a majority of samples from four countries—Australia, China, the United Kingdom, and the United States—converge on a small number of utopian...

Body Mass Index, sex, non-steroidal anti-inflammatory drug medications, smoking and alcohol are differentially associated with World Health Organisation criteria and colorectal cancer risk in people with Serrated Polyposis Syndrome: an Australian case-control study

Emma Anthony, Jeanette C. Reece, Elasma Milanzi, Jihoon E. Joo, Sharelle Joseland, Mark Clendenning, Amanda Whelan, Susan Parry, Julie Arnold, Varnika Vijay, Nathan Atkinson, John L. Hopper, Aung K. Win, Mark A. Jenkins, Finlay A. Macrae, Ingrid M. Winship, Christophe Rosty & Daniel D. Buchanan
Abstract Objective The unknown aetiology of Serrated Polyposis Syndrome (SPS) impedes risk prediction and prevention. We investigated risk factors for SPS, overall and stratified by World Health Organization (WHO)2010 clinical criteria and by colorectal cancer (CRC). Method A retrospective case-control study involving a cross-sectional analysis from 350 unrelated individuals with SPS from the Genetics of Colonic Polyposis Study and 714 controls from the Australasian Colorectal Cancer Family Registry. Univariate and multivariate logistic regression modelling was...

Prophylactic antibiotic use during labor and delivery in China: a nationwide, multicenter, hospital-based, cross-sectional study

Qiguo Lian, Tao Zheng, Xiaona Huo, Jun Zhang & Lin Zhang
Abstract Background Prophylactic antibiotic use during delivery is common in routine obstetric practice to prevent infection globally, especially in low- and middle-income countries. In China, however, little is currently known about the national estimates for prophylactic antibiotic use during delivery. Therefore, we aimed to describe the prevalence of prophylactic antibiotic use and guideline adherence using national data in China. Methods This cross-sectional study analyzed a national dataset from the China Labor and Delivery Survey in...

Systematic evaluation of the pre-eclampsia drugs, dietary supplements and biologicals pipeline using target product profiles

Annie R. A. McDougall, Roxanne Hastie, Maya Goldstein, Andrew Tuttle, Stephen Tong, Anne Ammerdorffer, A. Metin Gülmezoglu & Joshua P. Vogel
Abstract Background The Accelerating Innovation for Mothers (AIM) project established a database of candidate medicines in research and development (R&D) between 2000 and 2021 for five pregnancy-related conditions, including pre-eclampsia. In parallel, we published target product profiles (TPPs) that describe optimal characteristics of medicines for use in preventing/treating pre-eclampsia. The study objective was to use systematic double screening and extraction to identify all candidate medicines being investigated for pre-eclampsia prevention/treatment and rank their potential based...

Prophylactic antibiotic use during labor and delivery in China: a nationwide, multicenter, hospital-based, cross-sectional study

Qiguo Lian, Tao Zheng, Xiaona Huo, Jun Zhang & Lin Zhang
Abstract Background Prophylactic antibiotic use during delivery is common in routine obstetric practice to prevent infection globally, especially in low- and middle-income countries. In China, however, little is currently known about the national estimates for prophylactic antibiotic use during delivery. Therefore, we aimed to describe the prevalence of prophylactic antibiotic use and guideline adherence using national data in China. Methods This cross-sectional study analyzed a national dataset from the China Labor and Delivery Survey in...

How often do cancer researchers make their data and code available and what factors are associated with sharing?

Daniel G. Hamilton, Matthew J. Page, Sue Finch, Sarah Everitt & Fiona Fidler
Abstract Background Various stakeholders are calling for increased availability of data and code from cancer research. However, it is unclear how commonly these products are shared, and what factors are associated with sharing. Our objective was to evaluate how frequently oncology researchers make data and code available and explore factors associated with sharing. Methods A cross-sectional analysis of a random sample of 306 cancer-related articles indexed in PubMed in 2019 which studied research subjects with...

Cov2clusters: genomic clustering of SARS-CoV-2 sequences

Benjamin Sobkowiak, Kimia Kamelian, James E. A. Zlosnik, John Tyson, Anders Gonçalves da Silva, Linda M. N. Hoang, Natalie Prystajecky & Caroline Colijn
Abstract Background The COVID-19 pandemic remains a global public health concern. Advances in sequencing technologies has allowed for high numbers of SARS-CoV-2 whole genome sequence (WGS) data and rapid sharing of sequences through global repositories to enable almost real-time genomic analysis of the pathogen. WGS data has been used previously to group genetically similar viral pathogens to reveal evidence of transmission, including methods that identify distinct clusters on a phylogenetic tree. Identifying clusters of linked...

Clarifying Measurement Issues With the Purity Subscale of the Moral Foundations Questionnaire in Christian and Nonreligious Participants

Damien L. Crone & Simon M. Laham
The moral foundation of Purity plays a prominent role in moral psychology. Previous studies have identified measurement issues with the standard operationalization of Purity (the Moral Foundations Questionnaire; MFQ) when comparing religious and nonreligious samples. The cause(s) and implications of such issues remain understudied. As the methodological backbone of much moral psychology research, the MFQ’s Purity subscale warrants further attention. In four samples (total N = 8,005), we identify measurement problems traceable to a single...

Global prevalence of Ascaris infection in humans (2010–2021): a systematic review and meta-analysis

Celia Holland, Mahdi Sepidarkish, Gwendoline Deslyper, Ali Abdollahi, Soghra Valizadeh, Abolfazl Mollalo, Sanaz Mahjour, Sahar Ghodsian, Ali Ardekani, Hamed Behniafar, Robin B. Gasser & Ali Rostami
Abstract Background Ascariasis is one of the most important neglected tropical diseases of humans worldwide. The epidemiology of Ascaris infection appears to have changed with improvements in sanitation and mass drug administration, but there is no recent information on prevalence worldwide. Here, we performed a systematic review and meta-analysis to assess the global prevalence of human Ascaris infection from 2010 to 2021. Methods We searched MEDLINE/PubMed, and Scopus databases for studies measuring prevalence of Ascaris...

Multi-rate and multi-protocol continuous-variable quantum key distribution

Tao Wang, Yuehan Xu, Huanxi Zhao, Lang Li, Peng Huang & Guihua Zeng
Quantum key distribution (QKD) is an effective solution to ensure the secure transmission of information. However, for the large-scale application of QKD, the interoperability and flexibility of transmitter and receiver is an urgent issue to be solved. Here, for the first time, we experimentally verify the feasibility of one continuous-variable (CV) QKD system to achieve multiple protocols and rates. The flexibility of the system comes from the modulator realizing multiple protocols and a broadband coherent...

Multi-rate and multi-protocol continuous-variable quantum key distribution

Tao Wang, Yuehan Xu, Huanxi Zhao, Lang Li, Peng Huang & Guihua Zeng
Quantum key distribution (QKD) is an effective solution to ensure the secure transmission of information. However, for the large-scale application of QKD, the interoperability and flexibility of transmitter and receiver is an urgent issue to be solved. Here, for the first time, we experimentally verify the feasibility of one continuous-variable (CV) QKD system to achieve multiple protocols and rates. The flexibility of the system comes from the modulator realizing multiple protocols and a broadband coherent...

Carboxyhemoglobin levels in children during extracorporeal membrane oxygenation support: a retrospective study

Satoshi Kimura, Ben Gelbart, Roberto Chiletti, David Stephens & Warwick Butt
Introduction:Hemolysis is a common complication of extracorporeal membrane oxygenation (ECMO). There are few data on whether carboxyhemoglobin (COHb), a potential marker of hemolysis, are elevated during ECMO support.Methods:We conducted a single-center, retrospective study comparing peak COHb levels of children pre-, during, and post-ECMO from January 2017 to August 2020.Results:There were 154 ECMO runs in 147 children (154 PICU admissions) included in the study. The median age was 3.5 (IQR 0.2, 39.2) months. Veno-arterial ECMO was...

Multifunctional transmission polarization conversion metasurface based on dislocation induced anisotropy at terahertz frequency

Wenpeng Guo, Peng Tan, Jing Wang, Li Li, Shuai Li, Guanchao Wang, Zhongxiang Zhou & Hao Tian
Manipulating the polarization state of terahertz waves is critical for terahertz communication systems. In this study, a terahertz band polarization conversion metasurface based on dislocation-induced anisotropy is proposed. Numerical simulation results revealed that the polarization conversion of orthogonal linearly polarized light, left and right circularly polarized light, linearly polarized light to circularly polarized light, and circularly polarized light to linearly polarized light can be realized. Furthermore, the simulation revealed that multifunctional polarization conversion can be...

European Stroke Organisation (ESO) expedited recommendation on tenecteplase for acute ischaemic stroke

Sonia Alamowitch, Guillaume Turc, Lina Palaiodimou, Andrew Bivard, Alan Cameron, Gian Marco De Marchis, Annette Fromm, Janika Kõrv, Melinda B Roaldsen, Aristeidis H Katsanos & Georgios Tsivgoulis
Within the last year, four randomised-controlled clinical trials (RCTs) have been published comparing intravenous thrombolysis (IVT) with tenecteplase and alteplase in acute ischaemic stroke (AIS) patients with a non-inferiority design for three of them. An expedited recommendation process was initiated by the European Stroke Organisation (ESO) and conducted according to ESO standard operating procedure based on the Grading of Recommendations, Assessment, Development and Evaluations (GRADE) framework. We identified three relevant Population, Intervention, Comparator, Outcome (PICO)...

Clinical management guidelines for Friedreich ataxia: best practice in rare diseases

Louise A. Corben, Veronica Collins, Sarah Milne, Jennifer Farmer, Ann Musheno, David Lynch, Sub Subramony, Massimo Pandolfo, Jörg B. Schulz, Kim Lin & Martin B. Delatycki
Abstract Background Individuals with Friedreich ataxia (FRDA) can find it difficult to access specialized clinical care. To facilitate best practice in delivering healthcare for FRDA, clinical management guidelines (CMGs) were developed in 2014. However, the lack of high-certainty evidence and the inadequacy of accepted metrics to measure health status continues to present challenges in FRDA and other rare diseases. To overcome these challenges, the Grading of Recommendations Assessment and Evaluation (GRADE) framework for rare diseases...

LGBTQ+ Loss and Grief in a Cis-Heteronormative Pandemic: A Qualitative Evidence Synthesis of the COVID-19 Literature

James J. Lucas, Stéphane L. Bouchoucha, Rojan Afrouz, Kirk Reed & Sharon L. Brennan-Olsen
LGBTQ+ people are no stranger to loss and grief, particularly during times of pandemic such as the 1980s–90s HIV/AIDS pandemic and now, the COVID-19 pandemic. Current COVID-19 loss and grief research remains relatively silent on LGBTQ+ peoples’ loss and grief experiences. The aim of this research was to conduct a qualitative evidence synthesis of LGBTQ+ people’s COVID-19 loss and grief experiences reported in the literature. A systematic search and inclusion strategy identified 22 relevant articles...

Integrating nutrition and obesity prevention considerations into institutional investment decisions regarding food companies: Australian investment sector perspectives

Ella Robinson, Christine Parker, Rachel Carey, Anita Foerster, Miranda R Blake & Gary Sacks
Abstract Background: There is growing recognition that current food systems are both unhealthy and unsustainable, and are increasingly shifting toward the supply and marketing of unhealthy, ultra-processed foods and beverages. Large food companies hold substantial power within food systems and present a significant barrier to progress on addressing issues related to nutrition and obesity prevention. Institutional investors (such as pension funds) play a key role in influencing corporate governance and practices, and are increasingly incorporating...

Integrating nutrition and obesity prevention considerations into institutional investment decisions regarding food companies: Australian investment sector perspectives

Ella Robinson, Christine Parker, Rachel Carey, Anita Foerster, Miranda R Blake & Gary Sacks
Abstract Background: There is growing recognition that current food systems are both unhealthy and unsustainable, and are increasingly shifting toward the supply and marketing of unhealthy, ultra-processed foods and beverages. Large food companies hold substantial power within food systems and present a significant barrier to progress on addressing issues related to nutrition and obesity prevention. Institutional investors (such as pension funds) play a key role in influencing corporate governance and practices, and are increasingly incorporating...

How structural and symbolic violence during resettlement impacts the social and mental wellbeing of forced migrant women: the lived experiences of Arabic speaking survivors of IPV resettled in Melbourne, Australia

Jeanine Hourani, Yara Jarallah, Karen Block, Linda Murray, Jasmin Chen, Maria Hach & Cathy Vaughan
Abstract Forced migrant women experience high levels of violence across their journeys and violence can be characterised as having three overarching forms: structural, symbolic, and interpersonal. It is important to understand the intersecting nature of gendered forms of symbolic, structural and interpersonal violence, and their impact on the mental health of forced migrant women in order to develop holistic IPV and resettlement programs and interventions. This article adopts an ecological framework of violence and qualitative...

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