Sökresultat

Filtyp

Din sökning på "*" gav 529285 sökträffar

Changes in gene expression during female reproductive development in a color polymorphic insect

Pleiotropy (multiple phenotypic effects of single genes) and epistasis (gene interaction) have key roles in the development of complex phenotypes, especially in polymorphic taxa. The development of discrete and heritable phenotypic polymorphisms often emerges from major-effect genes that interact with other loci and have pleiotropic effects on multiple traits. We quantified gene expression changes

Ecological factors associated with Emergency Department use by older people in Italy

Background: Many studies investigated factors associated with overuse of Emergency Department (ED) by older people. However, there is little evidence of how a better access to long-term care services can affect ED visit rates. Therefore, we estimated the association between ED use and contextual (distance to closest ED), need (priority level at admission and care deprivation), predisposing (socio-

Spatial variation in gene flow across a hybrid zone reveals causes of reproductive isolation and asymmetric introgression in wall lizards

Hybrid zones provide insights into the evolution of reproductive isolation. Sexual selection can contribute to the evolution of reproductive barriers, but it remains poorly understood how sexual traits impact gene flow in secondary contact. Here, we show that a recently evolved suite of sexual traits that function in male-male competition mediates gene flow between two lineages of wall lizards (Po

Towards a digital twin : a hybrid data-driven and mechanistic digital shadow to forecast the evolution of lignocellulosic fermentation

The high substrate variability and complexity of fermentation media derived from lignocellulosic feedstock affects the concentration profiles and the length of the fermentation. Failing to account for such variability raises operational and scheduling issues and affects the overall performance of these processes. In this work, a hybrid soft sensor was developed to monitor and forecast the evolutio

The role of multimodality cardiovascular imaging in peripartum cardiomyopathy

The burden of pregnancy-related heart disease has dramatically increased over the last decades due to the increasing age at first pregnancy and higher prevalence of cardiovascular risk factors such as diabetes, hypertension, and obesity. Pregnancy is associated with physiological changes in the cardiovascular system, including hemodynamic, metabolic, and hormonal adaptations to meet the increased

Microscopic fungi of lithobiont communities of Argentine Islands Region : Data from the 22nd Ukrainian Antarctic expedition

The identification of the diversity of microscopic fungi of lithobiont communities of the Argentine Islands in specimens collected during the 22nd Ukrainian Antarctic Expedition was the purpose of this work. Samples of rock, soil, mosses and lichens of rock micro-habitats of “Crustose lichen sub-formation and fruticose lichen and moss cushion sub-formation” were used in the work. These samples wer

Multi-ancestry GWAS of the electrocardiographic PR interval identifies 202 loci underlying cardiac conduction

The electrocardiographic PR interval reflects atrioventricular conduction, and is associated with conduction abnormalities, pacemaker implantation, atrial fibrillation (AF), and cardiovascular mortality. Here we report a multi-ancestry (N = 293,051) genome-wide association meta-analysis for the PR interval, discovering 202 loci of which 141 have not previously been reported. Variants at identified

CSF levels of synaptosomal-associated protein 25 and synaptotagmin-1 in first-episode psychosis subjects

Post-mortem studies consistently show evidence of reduced synaptic protein levels in patients with schizophrenia. Clinically high-risk subjects show a steeper decrease in grey matter thickness and in vitro modeling using patient-derived cells implicate excessive synaptic pruning during neurodevelopment as a part of the schizophrenia pathophysiology. However, it is unclear to what extent synapse el

Lower cardiovascular stress during resistance training performed with inter-repetition rests in elderly coronary patients

Background and Objectives: Hemodynamic stress during resistance training is often a reason why this training method is not used in cardiac patients. A lifting protocol that imposes rests between repetitions (IRRT) may provide less hemodynamic stress compared to traditional resistance training (TT). The aim of this study was to verify differences between set configurations on hemodynamic stress res

Modelling of the Mechanical Response in 304 Austenitic Steel during Laser Shock Peening and Conventional Shot Peening

Laser Shock Peening (LSP) and conventional Shot Peening (SP) are processes that aim to improve the surface properties of a workpiece by inducing compressive residual stresses. The peening processes also cause martensitic phase transformation in austenitic steels. Interestingly, experimental studies report significant differences in martensite content depending on the used peening process. This stuLaser Shock Peening (LSP) and conventional Shot Peening (SP) are processes that aim to improve the surface properties of a workpiece by inducing compressive residual stresses. The peening processes also cause martensitic phase transformation in austenitic steels. Interestingly, experimental studies report significant differences in martensite content depending on the used peening process. This stu

Tolerability of non-ergot oral and transdermal dopamine agonists in younger and older Parkinson’s disease patients : an European multicentre survey

In older patients with Parkinson’s disease (PD), the use of dopamine agonists (DA) has been limited due to uncertainties related to their tolerability in spite of potential gains with the advent of longer acting or transdermal therapies. Comparative real-life data addressing the tolerability of DA therapy across age ranges are currently sparse. This study addressed the tolerability (Shulman criter

Frequency, diagnosis, treatment, and outcome of gastrointestinal disease in granulomatosis with polyangiitis and microscopic polyangiitis

Objective. Involvement of the gastrointestinal (GI) tract is a rare complication of granulomatosis with polyangiitis (GPA) and microscopic polyangiitis (MPA). The aim was to describe frequency, diagnosis, treatment, and outcome of GI disease in a large series of patients in a single center. Methods.A database that includes all patients with GPA and MPA diagnosed since 1997 in a defined area of sou

Randomised controlled trial of prolonged treatment in the remission phase of ANCA-associated vasculitis

Objectives A prospective randomised trial to compare two different durations of maintenance immunosuppressive therapy for the prevention of relapse in anti-neutrophil cytoplasmic antibodies (ANCA)-associated vasculitis (AAV). Methods P atients with AAV were recruited 18-24 months after diagnosis if they were in stable remission after cyclophosphamide/prednisolone-based induction followed by azathi

Replicating projects for comparative research: Mistra Urban Futures’ experiences with comparative work on knowledge exchange, food and transport

This chapter discusses three comparative projects that were all, at least partially, created through the replication of research across the Mistra Urban Futures cities. A typology of six possible models was developed, illustrating how comparative transdisciplinary knowledge co-production could take place across multiple cities, and the second of these approaches was identified as “local projects r

IgA- and SIgA anti-PR3 antibodies in serum versus organ involvement and disease activity in PR3-ANCA-associated vasculitis

Circulating immunoglobulin (Ig)A class anti-neutrophil cytoplasm antibodies (ANCA) directed against proteinase 3 (PR3) have been reported in ANCA-associated vasculitis (AAV) with mucosal involvement. However, secretory IgA (SIgA) PR3-ANCA has not been reported previously. In this study we compared serum levels of SIgA PR3-ANCA and IgA PR3-ANCA with IgG PR3-ANCA in relation to disease characteristi

Novel tools and observables for jet physics in heavy-ion collisions

Studies of fully-reconstructed jets in heavy-ion collisions aim at extracting thermodynamical and transport properties of hot and dense QCD matter. Recently, a plethora of new jet substructure observables have been theoretically and experimentally developed that provide novel precise insights on the modifications of the parton radiation pattern induced by a QCD medium. This report, summarizing the