23,361 results match your criteria: "Queen's University Belfast & the Centre for Chronic Pain Rehabilitation[Affiliation]"

Purpose: To assess the correlation of lesion growth rate and baseline factors, including foveal involvement and focality, on visual loss as measured by best-corrected visual acuity (BCVA) in patients with geographic atrophy (GA) secondary to age-related macular degeneration (AMD).

Design: Retrospective analysis of the lampalizumab phase 3 (NCT02247479 and NCT02247531) and prospective observational (NCT02479386) trials.

Participants: Patients with bilateral GA.

View Article and Find Full Text PDF

Promoting LC-QToF based non-targeted fingerprinting and biomarker selection with machine learning for the discrimination of black tea geographical origin.

Food Chem

February 2025

National Measurement Laboratory: Centre of Excellence in Agriculture and Food Integrity, Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL, Northern Ireland, United Kingdom. Electronic address:

Traceability and mislabelling of black tea for their geographical origin is known as a major fraud concern of the sector. Discrimination among various geographical indications (GIs) can be challenging due to the complexity of chemical fingerprints in multi-class metabolomics analysis. In this study, 302 black tea samples from 9 main cultivation GI regions were collected.

View Article and Find Full Text PDF

Alkali cation-π interactions in aqueous systems, modulating supramolecular stereoisomerism of nanoscopic metal-organic capsules.

Nat Commun

November 2024

School of Chemistry & SFI AMBER Research Centre, Trinity College Dublin, The University of Dublin, College Green, Dublin, D02 PN40, Ireland.

Contrary to common chemical intuition, cation-π interactions can persist in polar, aqueous reaction solutions, rather than in dry non-coordinative solvent systems. This account highlights how alkali ion-π interactions impart distinctive structure-influencing supramolecular forces that can be exploited in the preparation of nanoscopic metal-organic capsules. The incorporation of alkali ions from polar solutions into molecular pockets promotes the assembly of otherwise inaccessible capsular entities whose structures are distinctive to those of common polyoxovanadate clusters in which {V=O} moieties usually point radially to the outside, shielding the molecular entities.

View Article and Find Full Text PDF
Article Synopsis
  • Aggressive pituitary neuroendocrine tumors (PitNETs) often grow despite treatment and can metastasize, making them particularly challenging to manage.
  • This study analyzed tumor samples from 64 patients to investigate genetic markers, finding distinct patterns between aggressive/metastatic tumors and benign ones through genome-wide methylation and chromosomal analyses.
  • The results indicate potential biomarkers that could help in identifying high-risk patients earlier, refining treatment protocols, and improving outcomes for those with aggressive pituitary tumors.
View Article and Find Full Text PDF

Card9 and MyD88 differentially regulate Th17 immunity to the commensal yeast Malassezia in the murine skin.

Mucosal Immunol

November 2024

Section of Immunology, Vetsuisse Faculty and Institute of Experimental Immunology, University of Zürich, 8057 Zurich, Switzerland; Medical Research Council Centre for Medical Mycology at the University of Exeter, Department of Biosciences, Faculty of Health and Life Sciences, Geoffrey Pope Building, Stocker Road, Exeter EX4 4QD, UK. Electronic address:

The fungal community of the skin microbiome is dominated by a single genus, Malassezia. Besides its symbiotic lifestyle at the host interface, this commensal yeast has also been associated with diverse inflammatory skin diseases in humans and pet animals. Stable colonization is maintained by antifungal type 17 immunity.

View Article and Find Full Text PDF

Therapeutics of neuroinflammatory disorders including multiple sclerosis is one of the fastest growing areas in neurology. However, pressures on higher specialty training in neurology together with an expanding curriculum have led to challenges in adequately preparing trainees for a subspecialist career. In this study we set out to understand current perceptions and barriers to training in neuroinflammatory disorders among neurology trainees in the UK.

View Article and Find Full Text PDF

Objectives: The current study aims to explore the relationship between the frequency of volunteering and biological aging, as measured by epigenetic age acceleration. It also investigates whether this relationship differs between retired and working older adults. Understanding this connection could inform interventions promoting healthy aging and reducing age-related chronic health conditions.

View Article and Find Full Text PDF

Introduction: Tobacco companies use social media to bypass marketing restrictions. Studies show that exposure to tobacco promotion on social media influences subsequent smoking behavior, yet it is challenging to monitor such content. We developed an artificial intelligence that can automatically identify tobacco-promoting content on social media.

View Article and Find Full Text PDF

Background: Liver damage from nonalcoholic steatohepatitis (NASH) presents a significant challenge to the health and productivity of ruminants. However, the regulatory mechanisms behind variations in NASH susceptibility remain unclear. The gut‒liver axis, particularly the enterohepatic circulation of bile acids (BAs), plays a crucial role in regulating the liver diseases.

View Article and Find Full Text PDF

Effects of sodium-glucose cotransporter-2 inhibitors on chronic kidney disease progression: a multi-state survival model.

Diabetol Metab Syndr

November 2024

Department of Clinical Epidemiology and Biostatistics, Faculty of Medicine Ramathibodi Hospital, Mahidol University, 4th Floor Sukho Place Building, 218/11 Sukhothai Road, Dusit, Bangkok, 10300, Thailand.

Article Synopsis
  • * Data from over 6,500 patients was analyzed, comparing those treated with SGLT2i to those who weren't, showing that SGLT2i users were more likely to maintain CKD stage 3 status over a 10-year period.
  • * Results indicated that patients taking SGLT2i had significantly lower transition probabilities to more severe CKD stages and death, suggesting SGLT2i may help delay kidney function decline in T2D patients.
View Article and Find Full Text PDF

DGT and kinetic analyses differentiate Se and Cd bioavailability in naturally enriched paddy soils.

Chemosphere

November 2024

Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, China.

Naturally selenium (Se)-rich soils often contain elevated cadmium (Cd) levels, complicating safe production of Se-enriched rice. This study employed diffusive gradients in thin-films (DGT) and DGT-induced fluxes in soils (DIFS) model to determine Se and Cd bioavailability in paddy soils. We investigated desorption kinetics and accumulation patterns in rice using paired rhizosphere and grain samples from 65 field sites in Guangxi, China, encompassing Se-enriched karst and non-karst soils.

View Article and Find Full Text PDF

Mobilization of grassland soil arsenic stores due to agronomic management.

Sci Total Environ

December 2024

School of Biological Sciences, Queen's University Belfast, 19 Chlorine Gardens, Belfast BT9 5DL, United Kingdom of Great Britain and Northern Ireland. Electronic address:

The fate of arsenic in mineral soil stores over time is poorly understood. Here we examined arsenic loss over five decades from a managed grassland soil profile through analysing archived material from a long-term slurry (LTS) experiment at Hillsborough, Northern Ireland. A randomized block experiment was established in 1970 where a perennial ryegrass sward was seeded onto the site and subjected to control (no fertilization) and fertilization treatments using conventional (i.

View Article and Find Full Text PDF

Tissue engineering combines biology and engineering to develop constructs for repairing or replacing damaged tissues. Over the last few years, this field has seen significant advancements, particularly in bone tissue engineering. 3D printing has revolutionised this field, allowing the fabrication of patient- or defect-specific scaffolds to enhance bone regeneration, thus providing a personalised approach that offers unique control over the shape, size, and structure of 3D-printed constructs.

View Article and Find Full Text PDF

Embryo movement is required for limb tendon maturation.

Front Cell Dev Biol

November 2024

Zoology, School of Natural Sciences, Trinity College Dublin, University of Dublin, Dublin, Ireland.

Article Synopsis
  • - The study investigates how tendon maturation into strong tissue is regulated, noting significant mechanical property changes in chick embryos between days E16 and E18, but lacking clarity on the underlying cellular and molecular factors.
  • - Researchers analyzed late tendon development by examining collagen fiber alignment, cell organization, and Yap pathway activity, assessing the impact of both constant loading and no loading on tendon maturation.
  • - Findings revealed that YAP signaling is influenced by movement, with collagen alignment improving under static loading; however, immobilization disrupted the organized structure of tendon cells, highlighting the importance of dynamic stimulation for proper tendon development.
View Article and Find Full Text PDF

Background: Advances in transcriptional profiling methods have enabled the discovery of molecular subtypes within and across traditional tissue-based cancer classifications. Such molecular subgroups hold potential for improving patient outcomes by guiding treatment decisions and revealing physiological distinctions and targetable pathways. Computational methods for stratifying transcriptomic data into molecular subgroups are increasingly abundant.

View Article and Find Full Text PDF

The Chemistry of Phytoplankton.

Chem Rev

December 2024

Department of Pharmacy, Lanzhou University, Lanzhou 730000, Gansu China.

Article Synopsis
  • * Elevated CO levels, nutrients, and temperatures lead to harmful algal blooms (HABs), which can negatively impact water quality, ecosystems, and public health due to the production of toxins.
  • * The review discusses the dual role of algal blooms in carbon fixation and their complex metabolites, highlights advancements in understanding these structures, and examines strategies for managing and controlling HABs.
View Article and Find Full Text PDF

Many of the features of SERS, such as its high sensitivity, molecular specificity and speed of analysis make it attractive as an analytical technique. However, SERS currently remains a specialist technique which has not yet entered the mainstream of analytical chemistry. Therefore, this review draws out the underlying principles for analytical SERS and provides practical tips and tricks for SERS quantitation.

View Article and Find Full Text PDF

Background: Heart failure (HF) is a chronic disease characterized by high mortality and healthcare expenditures. Digital health solutions, including mobile health applications (apps), offer opportunities to enhance patients' self-care and quality of life. This qualitative study aimed to explore expectations, experiences, and usage behaviour of HF-patients regarding a self-care app ( app).

View Article and Find Full Text PDF
Article Synopsis
  • * Targeting the SHH pathway with drugs like vismodegib and sonidegib shows promise, but challenges like resistance and side effects complicate treatment.
  • * Advances in CRISPR/Cas9 gene editing and the discovery of SHH pathway biomarkers are vital for personalizing therapies, improving patient outcomes, and guiding future research in CNS tumor treatment.
View Article and Find Full Text PDF

Saturation of the compression of two interacting magnetized plasma toroids evidenced in the laboratory.

Nat Commun

November 2024

LULI - CNRS, CEA, UPMC Univ Paris 06 : Sorbonne Université, Ecole Polytechnique, Institut Polytechnique de Paris, F-91128, Palaiseau cedex, France.

Interactions between magnetic fields advected by matter play a fundamental role in the Universe at a diverse range of scales. A crucial role these interactions play is in making turbulent fields highly anisotropic, leading to observed ordered fields. These in turn, are important evolutionary factors for all the systems within and around.

View Article and Find Full Text PDF

Recent advances in 3D bioprinted polysaccharide hydrogels for biomedical applications: A comprehensive review.

Carbohydr Polym

January 2025

Université Libre de Bruxelles (ULB), École polytechnique de Bruxelles, 3BIO-BioMatter, Avenue F.D. Roosevelt, 50 - CP 165/61, 1050 Brussels, Belgium.

Article Synopsis
  • - Polysaccharide hydrogels are versatile bioinks for 3D bioprinting that mimic the extracellular matrix, promoting cell growth and differentiation, making them suitable for tissue engineering and regenerative medicine applications.
  • - This review covers the methods of creating these hydrogels, their properties, and their uses, particularly in drug delivery and developing tissues like bone and skin, as well as conducting disease modeling.
  • - Despite their potential, the review notes challenges in improving the chemical properties, printability, and long-term stability of polysaccharide hydrogels, which need to be addressed for better application outcomes.
View Article and Find Full Text PDF

Wound healing is a complex biological process that involves several stages, including hemostasis, inflammation, proliferation, and remodeling. Traditional wound dressings, to a certain extent, can provide wound protection but are limited in promoting wound healing, reducing scar formation, and preventing bacterial infections. In recent years, with the advancement of research in biomedical materials, fish skin dressings have become a research hotspot in the field of tissue regeneration due to their remarkable biocompatibility and precious bioactive components.

View Article and Find Full Text PDF

Evaluation of physical and chemical modifications to drug reservoirs for stimuli-responsive microneedles.

Drug Deliv Transl Res

November 2024

School of Pharmacy, Medical Biology Centre, Queens University Belfast, 97 Lisburn Road, BT9 7BL, Belfast, United Kingdom.

Hydrogel-forming microneedle (MN) arrays are minimally-invasive devices that can penetrate the stratum corneum, the main barrier to topical drug application, without causing pain. However, drug delivery using hydrogel-forming MN arrays tends to be relatively slow compared to rapid drug delivery using conventional needles and syringes. Therefore, in this work, for the first time, different physical and chemical delivery enhancement methods were employed in combination with PVA-based hydrogel-forming MN arrays.

View Article and Find Full Text PDF
Article Synopsis
  • Pain is a significant issue for individuals with inflammatory arthritis (IA), affecting their overall well-being, and current UK pain management often relies on long-term opioids and gabapentinoids without sufficient evidence for their effectiveness.
  • Surveys indicate that non-drug therapies for pain relief are not being utilized as much as they could be, highlighting a gap in treatment options.
  • The British Society for Rheumatology is creating a new guideline to provide clear, evidence-based recommendations for pain management in IA, aimed at healthcare professionals, patients, and other stakeholders, ensuring comprehensive care for people living with this condition.
View Article and Find Full Text PDF