Search results

Filter

Filetype

Your search for "*" yielded 551899 hits

Estrogen receptor alpha and beta in breast cancer - gene expression profiles and clinical implications

Breast cancer is the most common malignancy in women in the Western world with about 10% of women developing breast cancer during their lifetime, of which one third will eventually succumb to the metastatic form of the disease. Breast cancer arises from the epithelial cells of the breast mammary gland, but the mechanisms involved in tumor initiation, progression, and metastasis are still not fully

Yrsel - själ och sinne(n) i samverkan

Primär psykogen yrsel, i form av ångestsyndrom, och sekundär ”otogen ångest”, efter en period med vestibulär sjukdom, är bland de vanligaste orsakerna till långdragna yrselbesvär hos patienter i arbetsför ålder. Utan behandling kan besvären bli kroniska och leda till till långvarigt lidande. Ju tidigare sjukdomen upptäcks, desto bättre blir effekten av behandling.

Post-termination complex disassembly by ribosome recycling factor, a functional tRNA mimic

Ribosome recycling factor (RRF) together with elongation factor G (EF-G) disassembles the post- termination ribosomal complex. Inhibitors of translocation, thiostrepton, viomycin and aminoglycosides, inhibited the release of tRNA and mRNA from the post-termination complex. In contrast, fusidic acid and a GTP analog that fix EF-G to the ribosome, allowing one round of tRNA translocation, inhibited

Recycling of a glycosylphosphatidylinositol-anchored heparan sulphate proteoglycan (glypican) in skin fibroblasts

We have used suramin and brefeldin A to investigate the nature of a heparan sulphate proteoglycan that appears to recycle from the cell surface to intracellular compartments which synthesize new heparan sulphate chains. Suramin, which would block internalization and deglycanation of a putative recycling cell surface proteoglycan, markedly increases the yield of a membrane-bound proteoglycan with a

Calculation of thermal bridges in (Nordic) building envelopes - Risk of performance failure due to inconsistent use of methodology

Reduction of energy use in buildings is an important measure to achieve climate change mitigation. It is essential to minimize heat losses when designing and building energy efficient buildings. For an energy-efficient building in a cold climate, a large part of the space heating demand is caused by transmission losses through the building envelope. Therefore, calculations of these must be carried

Streptococcus pneumoniae phosphoglycerate kinase is a novel complement inhibitor affecting the membrane attack complex formation.

The Gram-positive bacterium Streptococcus pneumoniae is a major human pathogen that causes infections ranging from acute otitis media to life-threatening invasive disease. Pneumococci have evolved several strategies to circumvent the host immune response, in particular the complement attack. The pneumococcal glycolytic enzyme phosphoglycerate kinase (PGK) is both secreted and bound to the bacteria

Acute hyperglycemia induces rapid, reversible increases of glomerular permeability in non-diabetic rats.

This study was performed to investigate the impact of acute hyperglycemia (HG) on the permeability of the normal glomerular filtration barrier in vivo. In anaesthetized Wistar rats (250-280g), the left ureter was catheterized for urine collection, while simultaneously blood access was achieved. Rats received an intravenous (i.v.) infusion of either 1) hypertonic glucose to maintain blood glucose a

Annexin A2 and A5 serve as new ligands for C1Q on apoptotic cells.

C1q is the initiator of the classical complement pathway and opsonizes apoptotic cells to facilitate phagocytosis. Deficiency of C1q is the strongest known risk factor for development of systemic lupus erythematosus (SLE)a, which appears to be related to ensuing impaired clearance of apoptotic material. The objective of the current study was to investigate new ligands for C1q on the surface of apo

Novel and established anthropometric measures and the prediction of incident cardiovascular disease: a cohort study

OBJECTIVES: The aim of this study was to compare novel and established anthropometrical measures in their ability to predict cardiovascular disease (CVD), and to determine whether they improve risk prediction beyond classical risk factors in a cohort study of 60-year-old men and women. We also stratified the results according to gender to identify possible differences between men and women. Furthe

Cyclodextrin glucanotransferase (CGTase) catalyzed synthesis of dodecyl glucooligosides by transglycosylation using alpha-cyclodextrin or starch

Dodecyl glucooligosides, a class of interesting non ionic surfactant molecules were synthesized by cyclodextrin glucanotransferase from Bacillus macerans using either alpha-cyclodextrin (alpha-CD) or soluble starch as glycosyl donor and dodecyl beta-D-glucoside (C(12)G(1)) or dodecyl beta-D-maltoside (C(12)G(2)) as acceptor substrates. The primary coupling products obtained in the respective react

Specific effect of immunomodulatory quinoline-3-carboxamide ABR-215757 in GM-CSF stimulated bone marrow cell cultures: Block of initiation of proliferation of Gr-1(+) cells.

Quinoline-3-carboxamides are currently in clinical development for treatment of both autoimmune disease and cancer. Carboxamides such as ABR-215757 (5757) have shown efficacy in several in vivo mouse models of human inflammatory autoimmune disease. Some microbial infections in mice cause GM-CSF dependent accumulation of dendritic cells expressing TNFα and inducible nitric oxide synthase (iNOS; Tip

Cleavage of the vesicular glutamate transporters under excitotoxic conditions

Glutamate is loaded into synaptic vesicles by vesicular glutamate transporters (VGLUTs), and alterations in the transporters expression directly regulate neurotransmitter release. We investigated changes in VGLUT1 and VGLUT2 protein levels after ischemic and excitotoxic insults. The results show that VGLUT2 is cleaved by calpains after excitotoxic stimulation of hippocampal neurons with glutamate,

Latitudinal shift in thermal niche breadth results from thermal release during a climate-mediated range expansion

AimClimate change is currently altering the geographical distribution of species, but how this process contributes to biogeographical variation in ecological traits is unknown. Range-shifting species are predicted to encounter and respond to new selective regimes during their expansion phase, but also carry historical adaptations to their ancestral range. We sought to identify how historical and n

Nanowire-Imposed Geometrical Control in Studies of Actomyosin Motor Function

Recently, molecular motor gliding assays with actin and myosin from muscle have been realized on semiconductor nanowires coated with Al2O3. This opens for unique nanotechnological applications and novel fundamental studies of actomyosin motor function. Here, we provide a comparison of myosin-driven actin filament motility on Al2O3 to both nitrocellulose and trimethylchlorosilane derivatized surfac

Efficient Quantum Memory Using a Weakly Absorbing Sample

A light-storage experiment with a total (storage and retrieval) efficiency eta = 56% is carried out by enclosing a sample, with a single-pass absorption of 10%, in an impedance-matched cavity. The experiment is carried out using the atomic frequency comb (AFC) technique in a praseodymium-doped crystal (0: 05% Pr3+: Y2SiO5) and the cavity is created by depositing reflection coatings directly onto t

A Risk for Hepatocellular Carcinoma Persists Long-term After Sustained Virologic Response in Patients With Hepatitis C-Associated Liver Cirrhosis

Background. The long-term effect of sustained virologic response (SVR) to antiviral therapy on the risk of developing hepatocellular carcinoma (HCC), liver complications, liver-related death, and overall death in hepatitis C virus (HCV)-infected patients with liver cirrhosis is not fully known. Methods. These risks were evaluated during long-term follow-up in 351 patients with HCV-related cirrhosi