Adversities refer to events that are characterized by perceived or actual threat to human functioning. Often considered deleterious for health and well-being, recent work supports an alternative picture of the effects of adversity on human functioning, such that a moderate amount of adversity - when compared with none or high levels - can be beneficial. We extend this body of work in the current study by considering the breadth or type of adversities experienced simultaneously (referred to as polyadversity), with a focus on individual profiles of lifetime adversities.
View Article and Find Full Text PDFIn order to study the role of S1PRs in inflammatory skin disease, S1PR modulators are dosed orally and topically in animal models of disease. The topical application of S1PR modulators in these models may, however, lead to systemic drug concentrations, which can complicate interpretation of the observed effects. We set out to design soft drug S1PR modulators as topical tool compounds to overcome this limitation.
View Article and Find Full Text PDFIn many scientific studies, the underlying data-generating process is unknown and multiple statistical models are considered to describe it. For example, in a factorial experiment we might consider models involving just main effects, as well as those that include interactions. Model-averaging is a commonly-used statistical technique to allow for model uncertainty in parameter estimation.
View Article and Find Full Text PDFCurr Rev Musculoskelet Med
June 2019
Purpose Of This Review: Distal radius fractures are one of the most common fractures in the upper extremity. The purpose of this review is to outline common complications that may arise when caring for distal radius fractures and to describe the treatment strategies when faced with such complications.
Recent Findings: Tendon complications are not uncommon after distal radius fractures.
Anaesth Crit Care Pain Med
August 2019
The French Society of Anaesthesia and Intensive Care Medicine (SFAR) published experts' guidelines on the care of postoperative pain. This was an update of the 2008 guidelines. Fourteen experts analysed the literature (PubMed™, Cochrane™) on questions that had not been treated in the previous guidelines, or to modify the guidelines following new data in the published literature.
View Article and Find Full Text PDFMedical errors are a leading cause of mortality in human medicine. In contrast, errors in veterinary medicine are rarely discussed, and there is little known about their nature and frequency. This study aimed to evaluate the type and severity of medical errors reported in three veterinary hospitals.
View Article and Find Full Text PDFDespite advances in modern surgery, congenital heart disease remains a medical challenge and major cause of infant mortality. Valved conduits are routinely used to surgically correct blood flow in hearts with congenital malformations by connecting the right ventricle to the pulmonary artery (RV-PA). This review explores the current range of RV-PA conduits and describes their strengths and disadvantages.
View Article and Find Full Text PDFBackground:: The pain trajectory after ankle surgeries for osteoarthritis is relevant to describe. The purpose of this prospective study was to describe pain after ankle surgery and explore the link between perioperative factors and the development of postoperative pain.
Methods:: Duration, severity, type of preoperative pain, psychological distress, opioid consumption, and type of surgery were evaluated in 49 patients who were followed for 18 months.
Objective: Retinol binding protein 4 (RBP4) transports vitamin A (Retinol) in the blood and contributes mechanistically to the linkage between obesity, insulin resistance and associated comorbidities including type 2 diabetes mellitus, coronary artery and neoplastic diseases. Circulating RBP4 levels have variably been associated with body mass and gender differences. Many of these differences have been demonstrated after limited dietary interventions, and/or at single unique time points.
View Article and Find Full Text PDFThe gene encoding the GTPase KRAS is frequently mutated in pancreatic, lung, and colorectal cancers. The KRAS fraction in the plasma membrane (PM) correlates with activation of the mitogen-activated protein kinase (MAPK) pathway and subsequent cellular proliferation. Understanding KRAS's interaction with the PM is challenging given the complexity of the cellular environment.
View Article and Find Full Text PDFLignin is a low-cost, natural polymer with abundant polar sites on its backbone that can be utilized for physical cross-linking of polymers. Here, we use lignin for additional cross-linking of hydrophilic polyether-based polyurethane (HPU) hydrogels, aiming to improve their mechanical properties and processability. Without reducing the swelling, simple addition of 2.
View Article and Find Full Text PDFBackground: Periostin is a protein that serves as a downstream marker of the T-helper type 2 (Th2) cell response. It may serve to identify drug-responsive inflammatory phenotypes, particularly in children with asthma and possibly bronchiolitis. There are no published levels of periostin in healthy children <2 years of age, limiting interpretation of periostin levels in disease.
View Article and Find Full Text PDFNovel hydrogels with tunable mechanical properties similar to human soft tissue have increasing applications in biomedicine, soft robotics, and biocompatible electronics. However, most of these materials require multiple-step fabrication, are not robust, and compromise bioactivity. Thus, aiming to address these shortfalls, herein, we report a versatile hydrogel system with tunable properties and a facile one-pot fabrication process.
View Article and Find Full Text PDFInfluenza viruses inhabit a wide range of host environments using a limited repertoire of protein components. Unlike viruses with stereotyped shapes, influenza produces virions with significant morphological variability even within clonal populations. Whether this tendency to form pleiomorphic virions is coupled to compositional heterogeneity and whether it affects replicative fitness remains unclear.
View Article and Find Full Text PDFThe actin cytoskeleton comprises a set of filament networks that perform essential functions in eukaryotic cells. The idea that actin filaments incorporate monomers directly from solution forms both the "textbook picture" of filament elongation and a conventional starting point for quantitative modeling of cellular actin dynamics. Recent work, however, reveals that filaments created by two major regulators, the formins and the Arp2/3 complex, incorporate monomers delivered by nearby proteins.
View Article and Find Full Text PDFExtensive industrial areas in headwater stream watersheds can severely impact the physical condition of streams and introduce contaminants. We compared 3 streams that received stormwater runoff and industrial effluents from industrial complexes to 2 reference streams. Reference streams provide a benchmark of comparison of geomorphic form and stability in coastal plain, sandy-bottomed streams as well as concentrations of trace elements in sediment and biota in the absence of industrial disturbance.
View Article and Find Full Text PDFTransl Vis Sci Technol
September 2018
Purpose: High-quality, wide-field retinal imaging is a valuable method for screening preventable, vision-threatening diseases of the retina. Smartphone-based retinal cameras hold promise for increasing access to retinal imaging, but variable image quality and restricted field of view can limit their utility. We developed and clinically tested a smartphone-based system that addresses these challenges with automation-assisted imaging.
View Article and Find Full Text PDFTight junctions have been hypothesized to act as molecular fences in the plasma membrane of epithelial cells, helping to form differentiated apical and basolateral domains. While this fence function is believed to arise from the interaction of four-pass transmembrane claudins, the complexity of tight junctions has made direct evidence of their role as a putative diffusion barrier difficult to obtain. Here, we address this challenge by reconstituting claudin-4 into giant unilamellar vesicles using microfluidic jetting.
View Article and Find Full Text PDFNat Rev Mol Cell Biol
December 2018
Plasma membranes sit at the divide – conceptually and literally – between the interior and exterior milieu of cells, coordinating communication between nearby cells and structuring surrounding tissue. While great effort over the last half century has advanced our understanding of the molecular organization of the plasma membrane, much of this work has focused on free plasma membranes that are not in contact with other cells. Recent studies have, however, highlighted unique and unexpected features of membrane interfaces between two cells, where the physical and chemical constraints of the interface conspire to create a system that is distinct from either plasma membrane alone.
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