-acyl lipids are important mediators of several biological processes including immune function and stress response. To enhance the detection of -acyl lipids with untargeted mass spectrometry-based metabolomics, we created a reference spectral library retrieving -acyl lipid patterns from 2,700 public datasets, identifying 851 -acyl lipids that were detected 356,542 times. 777 are not documented in lipid structural databases, with 18% of these derived from short-chain fatty acids and found in the digestive tract and other organs.
View Article and Find Full Text PDFThe chemokine CCL28 is highly expressed in mucosal tissues, but its role during infection is not well understood. Here, we show that CCL28 promotes neutrophil accumulation in the gut of mice infected with and in the lung of mice infected with . Neutrophils isolated from the infected mucosa expressed the CCL28 receptors CCR3 and, to a lesser extent, CCR10, on their surface.
View Article and Find Full Text PDFIntroduction: People living with HIV (PLWH) are at increased risk for cardiovascular disease. Carotid intima media thickness (cIMT) is a validated surrogate marker of atherosclerosis, and an accurate predictor of future cardiovascular events. It is uncertain whether HIV potentiates stroke risk through atherosclerosis in Sub-Saharan Africa and what effect HIV status has on cIMT.
View Article and Find Full Text PDFBMJ Neurol Open
August 2024
Background And Objectives: Cardioembolic stroke (CES) appears to be a rare cause of stroke (4%-9%) in people living with HIV (PLWH) in sub-Saharan Africa (SSA). However, due to limited access to diagnostic resources, this may be an underestimate. It is also unclear which cardiac pathologies are the major contributors to CES in this region.
View Article and Find Full Text PDFBackground: The uptake of the health assessment for persons aged 75 years and older (75 + HA) remains low. Repeat assessments provide an opportunity to identify areas of change in cognitive function which may mark the onset of dementia. We aimed to explore general practitioner (GP) and practice nurse experiences of implementing the 75 + HA with a focus on clinical considerations for dementia care.
View Article and Find Full Text PDFBackground: Heart failure with a preserved ejection fraction (HFpEF) is common in the elderly (≥75 years) and associated with arterial stiffness. The mean age of HFpEF presentation is lower (40-55 years) in sub-Saharan Africa. No clinical study has been conducted on HFpEF in identifying and characterising this phenotype at a younger age, moreover in a South African black population where the risk of HFpEF is two times higher than in other ethnic groups.
View Article and Find Full Text PDFBackground: Wave separation analysis enables individualized evaluation of the aortic pulse wave components. Previous studies focused on the pressure height with overall positive but differing results. In the present analysis, we assessed the associations of the pressure of forward and backward (P and P) pulse waves with prospective cardiovascular end points, with extended analysis for time to pressure peak (T and T).
View Article and Find Full Text PDFIntroduction: Stroke in people living with HIV (PLWH) has been described to occur soon after the initiation of antiretroviral therapy (ART) possibly related to the Immune Reconstitution Inflammatory Syndrome (IRIS). We sought to investigate whether there was a temporal association between stroke and recent ART initiation in the absence of opportunistic infections (OIs), and to identify risk factors for this.
Methods: This cross-sectional study recruited PLWH with new-onset stroke at a hospital in Johannesburg, South Africa, from 2014 to 2017, excluding all patients with OIs.
Nontuberculous mycobacteria (NTM) are environmentally acquired opportunistic pathogens that can cause chronic lung disease. Within the U.S.
View Article and Find Full Text PDFBackground: Pharmacists with additional clinical skills now work in UK emergency departments. Known as Emergency Department Pharmacist Practitioners, the role was developed in response to a shortage of physicians and nurses. They carry out activities typical of traditional hospital pharmacists, but also novel 'practitioner' activities such as examining patients, and acting as designated care provider.
View Article and Find Full Text PDFObjectives: We sought to identify what proportion of each cardiovascular risk factor and Human Immunodeficiency Virus (HIV) was first diagnosed at the time of stroke, compared to those that were diagnosed prior to the event, and to explore if this had any impact on the severity of stroke.
Methods: Adult patients presenting with a new stroke to a quaternary hospital in Johannesburg between 2014 and 2017 were prospectively recruited. Patients were investigated for undiagnosed traditional cardiovascular risk factors (hypertension, diabetes mellitus, dyslipidaemia, atrial fibrillation, obesity and smoking), as well as HIV infection.
BMC Health Serv Res
December 2023
Background: The quality of care provided in residential aged care facilities is largely dependent on the job satisfaction of employees and the organisational framework and systems that they provide care in. This study aimed to explore aged care staff perceptions of job satisfaction, regulation of the sector and the Royal Commission into Aged Care Quality and Safety.
Methods: A cross-sectional survey conducted in 2019-early 2020 with staff employed in various roles at residential aged care services in Australia.
Environ Sci Pollut Res Int
January 2024
GenX (hexafluoropropylene oxide dimer acid) belongs to the group of per- and poly-fluoroalkyl substance (PFAS) compounds introduced to replace perfluorooctanoic acid (PFOA), which has been phased out in industrial and consumer product formulations. While GenX has been investigated in lab animals, there is limited information available regarding its uptake and translocation in wheat and rice. This study reports on a greenhouse experiment in which wheat and rice grown under flooded and non-flooded conditions were exposed to two GenX concentrations in the soil (0.
View Article and Find Full Text PDFNontuberculous mycobacteria (NTM) are ubiquitous environmental opportunistic pathogens that can cause chronic lung disease. Within the United States, Hawai'i has the highest incidence of NTM lung disease, though the precise reasons are yet to be fully elucidated. One possibility is the high prevalence of NTM in the Hawai'i environment acting as a potential reservoir for opportunistic NTM infections.
View Article and Find Full Text PDFThis mixed method study examined how psychosocial factors from the Theory of Planned Behavior and Reasoned Action (TPB/RA) influence health-seeking behaviors after concussion, expanding from student-athlete TPB/RA research to assess the influence of psychosocial factors within a general college population. Two hundred and forty-four students participated from a large Southeastern public university. A concurrent nested mixed-methods approach involving closed- and constructed- response survey questions.
View Article and Find Full Text PDFMycobacterium chimaera causes pulmonary disease, but little is known of gradations in isolate virulence. Previously, 17 M. chimaera isolates were screened for survival in THP1 macrophages.
View Article and Find Full Text PDFJ Sport Exerc Psychol
August 2023
The current study examines the relationships between hitters' neural activity and their in-game hitting performance. Collegiate baseball players completed a computerized video task assessing whether thrown pitches were balls or strikes while their neural activity was recorded. In addition, each player's hitting statistics were collected for the following baseball season.
View Article and Find Full Text PDFBackground: Cultivated lands in the vicinity of industry are vulnerable due to trace element releases from industrial activities. One such situation concerns the surrounding of the largest cement-manufacturing plant in sub-Saharan Africa, located in Obajana, Nigeria.
Objective: This study aimed at examining the trace element concentrations in the soil as they contaminate corn crops in the vicinity of a cement manufacturing plant.
Background: Whether differential effects of volume load on left ventricular mass (LVM) and function occur in sustained volume-dependent primary hypertension, and the impact of atrial natriuretic peptide (ANP) on these effects, is unknown.
Methods: From aortic pressure, velocity and diameter measurements and echocardiography, we determined in an African community ( = 772), the impact of systemic flow-induced increases in central pulse pressure (PPc) and circulating ANP (ELISA) on LVM and indexes of function.
Results: Stroke volume (SV), but not aortic flow (Q), was associated with LVM and mean wall thickness (MWT) beyond stroke work and confounders ( < 0.
J Trace Elem Med Biol
September 2023
Background: Following a well-balanced diet ensures that a person gets all the essential elements for health sustenance. However, in the United Kingdom an increasing proportion of people are transiting to become vegans who exclude animal-based products in their diets. Consequently, people may have a deficit of essential elements such as iodine which is not present in most plant-based meals, additionally iodide fortified table salt is not commonly used in the UK.
View Article and Find Full Text PDFMicrobiome science has greatly contributed to our understanding of microbial life and its essential roles for the environment and human health. However, the nature of microbial interactions and how microbial communities respond to perturbations remains poorly understood, resulting in an often descriptive and correlation-based approach to microbiome research. Achieving causal and predictive microbiome science would require direct functional measurements in complex communities to better understand the metabolic role of each member and its interactions with others.
View Article and Find Full Text PDFIntroduction: Surgery is the most common treatment for colorectal cancer (CRC) and can cause relative long average length of stay (LOS) and high risks of unplanned readmissions and complications. Enhanced Recovery After Surgery (ERAS) pathways can reduce the LOS and postsurgical complications. Digital health interventions provide a flexible and low-cost way of supporting patients to achieve this.
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