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S&S program sustainment exceeded expectations among 85% of clinics (82/96) in all provinces across the duration of the study. Of note, attendance in the S&S program was encouraged by CHC staff, but no financial incentives were provided to those attending S&S. This study examined the effectiveness of the ToT/ToF model in dissemination of the S&S program, which proved to be feasible even in resource-limited settings. Benefits and challenges are discussed.Molecular mechanisms controlling the formation, stabilisation and maintenance of blood vessel connections remain poorly defined. Here, we identify blood flow and the large extracellular protein Svep1 as co-modulators of vessel anastomosis during developmental angiogenesis in zebrafish embryos. Both loss of Svep1 and blood flow reduction contribute to defective anastomosis of intersegmental vessels. The reduced formation and lumenisation of the dorsal longitudinal anastomotic vessel (DLAV) is associated with a compensatory increase in Vegfa/Vegfr pERK signalling, concomittant expansion of apelin-positive tip cells, but reduced expression of klf2a. Experimentally, further increasing Vegfa/Vegfr signalling can rescue the DLAV formation and lumenisation defects, whereas its inhibition dramatically exacerbates the loss of connectivity. Mechanistically, our results suggest that flow and Svep1 co-regulate the stabilisation of vascular connections, in part by modulating the Vegfa/Vegfr signalling pathway.
The relation between blood pressure and kidney cancer risk is well established but complex and different study designs have reported discrepant findings on the relative importance of diastolic blood pressure (DBP) and systolic blood pressure (SBP). In this study, we sought to describe the temporal relation between diastolic and SBP with renal cell carcinoma (RCC) risk in detail.
Our study involved two prospective cohorts the European Prospective Investigation into Cancer and Nutrition study and UK Biobank, including >700 000 participants and 1692 incident RCC cases. Risk analyses were conducted using flexible parametric survival models for DBP and SBP both separately as well as with mutuality adjustment and then adjustment for extended risk factors. We also carried out univariable and multivariable Mendelian randomization (MR) analyses (DBP ninstruments = 251, SBP ninstruments = 213) to complement the analyses of measured DBP and SBP.
In the univariable analysis, we observed clear positive associatioC risk was less clear but does not appear to be independent of DBP.Neuroblastoma is a highly metastatic childhood cancer for which studies indicate an association between protein glycosylation and tumor behavior. However, there is a lack of detailed glycome analysis on neuroblastoma cells that have varying metastatic potential. Furthermore, the impact of the cell culturing mode, i.e. 2-dimensional (2D) versus 3-dimensional (3D) spheroids, on the membrane protein glycome is unknown. To address these gaps in knowledge, we mapped membrane protein N- and O-glycosylation of neuroblastoma cells that have lower invasive and metastatic potential (Stathmin shRNA-expressing cells, StmnSeq2SH, and StmnSeq3SH) compared with control cells (control shRNA-expressing cells, CtrlSH). We showed that the neuroblastoma cells with different migratory and invasive potential underwent drastic changes in their membrane protein N-glycosylation exclusively when cultured in 3D spheroids. We also investigated the impact of 2D and 3D cell culture methods on cellular glycosylation using the neuroblastoma cells and found the cell N-glycome was markedly impacted by the culture method, with the 2D grown cells showing an abundance of oligomannosidic glycans, whereas 3D spheroids expressed more complex type glycans on their membrane proteins. In summary, this study provides the first comprehensive protein glycome profiling of neuroblastoma cells that have varying invasiveness and migratory potential and unravels the distinct membrane glycan features of cells that are grown under 2D versus 3D culture conditions.The creation of professional and statutory duties of candour has formalised the requirement for clinicians and healthcare organisations to be honest with patients and families when treatment has gone wrong. This article explains the background to creating both duties, analyses the concept of candour, the role of apologies, and considers evidence about compliance. It argues that making candour a statutory requirement appropriately reflects the ethical imperative of telling the truth about harm and is a powerful signal for honesty. However, being candid is not easy in the context of complex professional cultures, the realities of delivering care in under-funded health systems, and in the shadow of possible legal and regulatory proceedings. Proposals in the current Health and Care Bill to create investigatory 'safe spaces' which prohibit the disclosure of information submitted to the Health Service Safety Investigations Body undermine candour. This article argues against such proposals, which are both wrong in principle and highly problematic in practice. Candour should be respected as a cardinal principle governing not only the conduct of those providing care, but also those who investigate such incidents. Harmed patients and their families deserve to know the whole truth.Some green orchids obtain carbon from both mycobionts and photosynthesis at the adult stage. Intriguingly, these orchids can produce albino and, in rare cases, variegated phenotypes. Here, we studied a Platanthera hondoensis population with green, variegated, and albino individuals. Although its closely related Platanthera species are usually associated with non-ectomycorrhizal rhizoctonias, and several studies have failed to find evidence of trophic plasticity in rhizoctonia-associated orchids, variegated and albino P. hondoensis must possess a higher fungal dependency than green P. hondoensis. Therefore, we investigated whether (i) P. hondoensis is associated with non-ectomycorrhizal rhizoctonias and (ii) the degree of mycoheterotrophy (using 13C abundance as a proxy) correlates with the foliar chlorophyll concentration. High-throughput DNA sequencing revealed that all P. hondoensis phenotypes were dominantly associated with a rhizoctonia from Ceratobasidiaceae belonging to a clade distinct from recognized ectomycorrhizal clades. Y-27632 purchase Regression analysis revealed a positive linear relationship between foliar chlorophyll concentration and the degree of mycoheterotrophy. This study strongly suggests that rhizoctonia-associated P. hondoensis can dynamically adjust fungal exploitation in response to photosynthetic carbon levels. Since rhizoctonia is the most common orchid mycorrhizal partner, trophic plasticity may be a widespread adaptive trait in green orchids.While most plants die below a threshold of water content, desiccation-tolerant species display specific responses that allow them to survive extreme dehydration. Some of these responses are activated at critical stages during water loss and could represent the difference between desiccation tolerance (DT) and death. Here, we report the development of a simple and reproducible system to determine DT in Selaginella species. The system is based on exposure of excised tissue to a dehydration agent inside small containers, and subsequent evaluation for tissue viability. We evaluated several methodologies to determine viability upon desiccation including triphenyltetrazolium chloride (TTC) staining, the quantum efficiency of PSII, antioxidant potential, and relative electrolyte leakage. Our results show that the TTC test is a simple and accurate assay to identify novel desiccation-tolerant Selaginella species, and can also indicate viability in other desiccation-tolerant models (i.e. ferns and mosses). The system we developed is particularly useful to identify critical points during the dehydration process. We found that a desiccation-sensitive Selaginella species shows a change in viability when dehydrated to 40% relative water content, indicating the onset of a critical condition at this water content. Comparative studies at critical stages could provide a better understanding of DT mechanisms and unravel insights into the key responses to survive desiccation.
Societal and health system pressures associated with the COVID-19 pandemic exacerbated the burden of chronic pain and limited access to pain management services for many. Online multidisciplinary pain programs offer an effective and scalable treatment option, but have not been evaluated within the context of COVID-19. This study aimed to investigate the uptake and effectiveness of the Reboot Online chronic pain program before and during the first year of the COVID-19 pandemic.
Retrospective cohort analyses were conducted on routine service users of the Reboot Online program, comparing those who commenced the program during the COVID-19 pandemic (March 2020-March 2021), to those prior to the pandemic (April 2017-March 2020). Outcomes included the number of course registrations; commencements; completion rates; and measures of pain severity, interference, self-efficacy, pain-related disability and distress.
Data from 2585 course users were included (n = 1138 pre-COVID-19 and n = 1447 during-COVID-19). There was a 287% increase in monthly course registrations during COVID-19, relative to previously. Users were younger, and more likely to reside in a metropolitan area during COVID-19, but initial symptom severity was comparable. Course adherence and effectiveness were similar before and during COVID-19, with moderate effect size improvements in clinical outcomes post-treatment (g = 0.23-0.55).
Uptake of an online chronic pain management program substantially increased during the COVID-19 pandemic. Program adherence and effectiveness were similar pre- and during-COVID. These findings support the effectiveness and scalability of online chronic pain management programs to meet increasing demand.
Uptake of an online chronic pain management program substantially increased during the COVID-19 pandemic. Program adherence and effectiveness were similar pre- and during-COVID. These findings support the effectiveness and scalability of online chronic pain management programs to meet increasing demand.
Look AHEAD, a randomized trial comparing intensive lifestyle intervention (ILI) and diabetes support and education (DSE) (control) in 5,145 individuals with overweight/obesity and type 2 diabetes, found no significant differences in all-cause or cardiovascular mortality or morbidity during 9.6 (median) years of intervention. Participants in ILI who lost ≥10% at 1 year had lower risk of composite cardiovascular outcomes relative to DSE. Since effects of ILI may take many years to emerge, we conducted intent-to-treat analyses comparing mortality in ILI over 16.7 years (9.6 years of intervention and then observation) to DSE. In a secondary exploratory analysis, we compared mortality by magnitude of weight loss in ILI relative to DSE.
Primary outcome was all-cause mortality from randomization to 16.7 years. Other outcomes included cause-specific mortality, interactions by subgroups (age, sex, race/ethnicity, and cardiovascular disease history), and an exploratory analysis by magnitude of weight loss in ILI versus DSE as reference.