Background: The 3xTg-AD transgenic mouse model of Alzheimer's disease (AD) is an important tool to investigate the relationship between development of pathological amyloid-β (Aβ) and tau, neuroinflammation, and cognitive impairments. Traditional behavioral tasks assessing aspects of learning and memory, such as mazes requiring spatial navigation, unfortunately suffer from several shortcomings, including the stress of human handling and not probing species-typical behavior. The automated IntelliCage system was developed to circumvent such issues by testing mice in a social environment while measuring multiple aspects of cognition.
View Article and Find Full Text PDFBackground: Exercise rehabilitation programmes are important for long-term health and wellbeing among people with cardiac and pulmonary diseases. Despite this, many people struggle to maintain their physical activity once rehabilitation ends. This repeated measures study tracked changes in physical activity behaviour and motivation during and after completing a community-based exercise rehabilitation programme.
View Article and Find Full Text PDFResearch on animals in residential aged care facilities (RACFs) mainly focuses on the residents with little apparent concern for animal welfare. In the context of documented human welfare breaches in the sector the question arises - how do Australian RACF approach animal welfare. To understand animals' lived experiences in this context experienced dog-trainers with RACF employment history were interviewed.
View Article and Find Full Text PDFBackground: Traction is used at our hospital before open reduction in infants with developmental dysplasia of the hip. Theoretically, it reduces soft-tissue tension, allowing an easier surgical reduction and therefore lower surgical complications. Owing to extended hospital stays, potential complications, and lack of evidence, the use of traction has decreased.
View Article and Find Full Text PDFAim: To explore the published evidence describing the impact of short-notice accreditation assessments on hospitals' patient safety and quality culture.
Design: Arksey and O'Malley (2005)'s scoping study framework and Preferred Reporting Items for Systematic Reviews and Meta-Analysis Extension for Scoping reviews (PRISMA-ScR).
Methods: A scoping review was conducted to identify papers that provided an evaluation of short-notice accreditation processes.
Purpose: Non-small-cell lung cancer (NSCLC) with has inferior outcomes to immune checkpoint inhibitors (ICIs). Using multiomics, we evaluated whether a subtype of NSCLC with a uniquely inflamed tumor immune microenvironment (TIME) harboring comutations could have favorable outcomes to ICIs.
Patients And Methods: NSCLC tumors (N = 16,896) were analyzed by next-generation sequencing (DNA-Seq/592 genes).
•Mutations in the gene are observed in about 15% of NSCLC adenocarcinomas in the United States and are not associated with smoking. There are numerous mutations, with the most common being exon 19 deletions and the point mutation L858R in exon 21.•Osimertinib, an oral TKI, is used as the initial therapy for metastatic NSCLC harboring exon 19 deletion and exon 21 L858R mutation.
View Article and Find Full Text PDFDeficiency of dietary choline, an essential nutrient, is observed worldwide, with ~ 90% of Americans being deficient. Previous work highlights a relationship between decreased choline intake and an increased risk for cognitive decline and Alzheimer's disease (AD). The associations between blood circulating choline and the pathological progression in both mild cognitive impairment (MCI) and AD remain unknown.
View Article and Find Full Text PDFMost Americans (∼90%) are deficient in dietary choline, an essential nutrient. Associations between circulating choline and pathological progression in Alzheimer's disease (AD) remain unknown. Here, we examined these associations and performed a metabolomic analysis in blood serum from severe AD, moderate AD, and healthy controls.
View Article and Find Full Text PDFThe literature has identified poor nutrition as the leading factor in the manifestation of many behavioural issues in animals, including aggression, hyperalertness, and stereotypies. Literature focused on all species of interest consistently reported that although there were no significant differences in the richness of specific bacterial taxa in the microbiota of individual subjects with abnormal behaviour (termed alpha diversity), there was variability in species diversity between these subjects compared to controls (termed beta diversity). As seen in humans with mental disorders, animals exhibiting abnormal behaviour often have an enrichment of pro-inflammatory and lactic acid-producing bacteria and a reduction in butyrate-producing bacteria.
View Article and Find Full Text PDFWe explored experiences and perceptions surrounding the Self-Stewardship Time-Out Program (SSTOP) intervention across implementation sites to improve antimicrobial use. Semistructured qualitative interviews were conducted with Antibiotic Stewardship physicians and pharmacists, from which 5 key themes emerged. SSTOP may serve to achieve sustainable promotion of antibiotic use improvements.
View Article and Find Full Text PDFThere is an urgent need to identify modifiable environmental risk factors that reduce the incidence of Alzheimer's disease (AD). The B-like vitamin choline plays key roles in body- and brain-related functions. Choline produced endogenously by the phosphatidylethanolamine N-methyltransferase protein in the liver is not sufficient for adequate physiological functions, necessitating daily dietary intake.
View Article and Find Full Text PDFAnimal-assisted interventions (AAI) have been occurring in Australian Residential Aged Care Facilities (RACF) for more than 40 years and may relieve loneliness and improve quality of life. The presence of animals in RACF poses an inherent risk to residents and the animals involved. Little is known about the policies and guidelines for including animals in the Australian RACF.
View Article and Find Full Text PDFStudying viral-host protein-protein interactions can facilitate the discovery of therapies for viral infection. We use high-throughput yeast two-hybrid experiments and mass spectrometry to generate a comprehensive SARS-CoV-2-human protein-protein interactome network consisting of 739 high-confidence binary and co-complex interactions, validating 218 known SARS-CoV-2 host factors and revealing 361 novel ones. Our results show the highest overlap of interaction partners between published datasets and of genes differentially expressed in samples from COVID-19 patients.
View Article and Find Full Text PDFDuring migration, cells often squeeze through small constrictions, requiring extensive deformation. We hypothesized that nuclear deformation associated with such confined migration could alter chromatin organization and function. By studying cells migrating through microfluidic devices that mimic interstitial spaces , we found that confined migration results in increased H3K9me3 and H3K27me3 heterochromatin marks that persist for days.
View Article and Find Full Text PDFBackground: Hand injuries affect a person's functioning, thus impeding their abilities to return to work. There is a limited understanding in return to work of the overall predictors when including hand characteristics and functional abilities. Therefore, it is essential to identify the most relevant predictors in return to work among individuals with a hand injury.
View Article and Find Full Text PDFThe Drosophila Boundary Element-Associated Factor of 32 kDa (BEAF) binds in promoter regions of a few thousand mostly housekeeping genes. BEAF is implicated in both chromatin domain boundary activity and promoter function, although molecular mechanisms remain elusive. Here, we show that BEAF physically interacts with the polybromo subunit (Pbro) of PBAP, a SWI/SNF-class chromatin remodeling complex.
View Article and Find Full Text PDFPhysical interactions between viral and host proteins are responsible for almost all aspects of the viral life cycle and the host's immune response. Studying viral-host protein-protein interactions is thus crucial for identifying strategies for treatment and prevention of viral infection. Here, we use high-throughput yeast two-hybrid and affinity purification followed by mass spectrometry to generate a comprehensive SARS-CoV-2-human protein-protein interactome network consisting of both binary and co-complex interactions.
View Article and Find Full Text PDF