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Protein kinase RNA-activated (PKR) is a cytoplasmic receptor for dsRNA, and as such is involved in detection of viral infection. On binding dsRNA, PKR dimerizes, autophosphorylates, and then phosphorylates its substrate, eukaryotic translation initiation factor 2 subunit a (eIF2α), causing inhibition of mRNA translation and shutdown of viral protein production. However, active PKR has also been fo
Introduction: Conversion of androgen-responsive prostate cancer (CaP) to castration-resistant CaP) is associated with an acceleration of the disease that often requires treatment modalities other than androgen deprivation therapy only. Recently, follicle-stimulating hormone (FSH) has been shown to play a role in CaP growth, and clinical data showed that high serum concentration of FSH in chemicall
BACKGROUND/AIM: Cervical cancer is associated with poorer diagnosis among the elderly and pap-smear screening has a lower sensitivity. Self-sampling for detection of high-risk human papillomavirus (hr-HPV) may be an alternative screening method. The aim of this study was to analyze the response rate to vaginal HPV self-sampling and the HPV mRNA prevalence among women 69-70 years. MATERIALS AND MET
Continuous dopaminergic stimulation in Parkinson's disease (PD) has several advantages over pulsatile, noncontinuous, stimulation. These therapies currently consist of pump-based and transcutaneous therapies and are based on a more constant delivery of the dopaminergic drug resulting in continuous dopaminergic stimulation and a more stable treatment effect. Several clinical and experimental observ
Peninsular India is a collage of Archaean cratonic domains separated by Proterozoic mobile belts. A number of cratonic basins, known as “Purana basins” in the Indian literature, formed in different parts of the Indian Peninsula during extensional tectonic events, from Paleoproterozoic through Neoproterozoic times. In this contribution, we present a diversity of new geochronological data for differ
Since thermal loads can cause cracking, they are important to consider in bridge design. In order to evaluate and develop thermal load cases based on real simulations, models for simulating temperatures can be used. In this paper, a model for thermal simulation is used to simulate temperature in a portal frame bridge outside Lund, Sweden. The results are compared with temperature measurements in 1
The use of variable-length genomes in evolutionary computation has applications in optimisation when the size of the search space is unknown, and provides a unique environment to study the evolutionary dynamics of genome structure. Here, we revisit crossover for linear genomes of variable length, identifying two crucial attributes of successful recombination algorithms: the ability to retain homol
Millimeter-wave (mmWave) frequencies are set to play an important role in fifth-generation (5G) wireless systems. A pre-requisite for the design and performance assessment of 5G wireless is the understanding of the involved propagation processes and derivation of insightful channel models. Unlike bands below 6 GHz, several additional modelling features need to be catered for at mmWaves. For dynami
Aims Our aim was to examine the Elixhauser and Charlson comorbidity indices, based on administrative data available before surgery, and to establish their predictive value for mortality for patients who underwent hip arthroplasty in the management of a femoral neck fracture. Patients and Methods We analyzed data from 42 354 patients from the Swedish Hip Arthroplasty Register between 2005 and 2012.
An amusement ride involving rotations around three axes offers a large-scale illustration for the study of dynamics in three dimensions. The forces on the rider can be measured with co-moving accelerometers. As a first approximation, the different motions can be treated separately, but the combination of rotations is found to lead to a relatively large Coriolis effect. A mathematical description o
It is not known whether GIP receptor and GLP-1 receptor knockout (KO) mice have perturbations in glucagon secretion or insulin clearance, and studies on impact on fasting glycemia have previously been inconsistent in these mice. We therefore studied glucagon secretion after oral whey protein (60 mg) and intravenous arginine (6.25 mg), insulin clearance after intravenous glucose (0.35 g/kg) and fas
BACKGROUND: The P1 antigen was first described in 1927 and belongs to the P1PK histo-blood group system, together with Pk and NOR. The A4GALT-encoded 4-α-galactosyltransferase synthesizes these antigens and has been considered to extend glycolipids exclusively. However, contradicting studies have been published regarding the presence of P1 on human glycoproteins. In other species, P1 occurs on gly
Planar monopole antennas are popular due to their attractive properties, but their operating mechanisms are still not well understood. Based on image theory, planar monopoles can be analyzed using their dipole counterparts. Here, the bandwidth and radiation pattern of planar dipoles is studied in detail using characteristic mode analysis for different design parameters. The results show that insig
Purpose: To investigate whether software optimisation can improve an observers’ perception of image quality in low dose paediatric pelvic examinations. Methods: Twenty-five consecutive patients (3–7 years old) were referred for a pelvic digital radiography (DR) examination. They were prospectively enrolled in the study over a 3-month period. Images were taken at 80 kV and 2–4 mAs depending on pelv
Wheat gluten (WG) and potato protein (PP) were modified to a basic pH by NaOH to impact macromolecular and structural properties. Films were processed by compression molding (at 130 and 150°C) of WG, PP, their chemically modified versions (MWG, MPP) and of their blends in different ratios to study the impact of chemical modification on structure, processing and tensile properties. The modification
Zlokazov and Utyonkov (2017 J. Phys. G: Nucl. Part. Phys. 44 075107) question the validity of the methods and conclusions presented by Forsberg et al (2016 Nucl. Phys. A 953 117). In this comment, we argue that the criticism is invalid.
Objectives: To determine predictors of renal relapse and end-stage renal failure (ESRF) in patients with ANCA-associated vasculitis. Methods: Data from four European Vasculitis Society randomized controlled trials, conducted roughly simultaneously between 15 March 1995 and 30 September 2002, was pooled to determine predictors of long-term renal outcome. The respective trial inclusion criteria cove
Urban growth is crucial for modernisation, and the wave of new towns in China since the 1980s is one example of a strategy employed by policymakers to encourage the process. This column analyses the long-run success of a town foundation policy in Sweden between 1570 and 1810. While the ‘artificially’ created towns failed to grow in the short term, they eventually began to grow and thrive, and toda
RATIONALE: Obstructive sleep apnea (OSA) and depression are common among adults with coronary artery disease (CAD). OBJECTIVES: To determine the impact of continuous positive airway pressure (CPAP) treatment on depression in adults with CAD and nonsleepy OSA. METHODS: This was a secondary analysis of the RICCADSA (Randomized Intervention with CPAP in CAD and Sleep Apnea) trial, conducted in Sweden
