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Mitochondrial proteome analysis reveals altered expression of voltage dependent anion channels in pancreatic beta-cells exposed to high glucose
Chronic hyperglycemia leads to deterioration of insulin release from pancreatic beta-cells as well as insulin action on peripheral tissues. However, the mechanism underlying beta-cell dysfunction resulting from glucose toxicity has not been fully elucidated. The aim of the present study was to define a set of alterations in mitochondrial protein profiles of pancreatic beta-cell line in response to
Osteopontin deficiency dampens the pro-atherogenic effect of uraemia
Uraemia is a strong risk factor for cardiovascular disease. Osteopontin (OPN) is highly expressed in aortas of uraemic apolipoprotein E knockout (E KO) mice. OPN affects key atherogenic processes, i.e. inflammation and phenotypic modulation of smooth muscle cells (SMCs). We explored the role of OPN on vascular pathology in uraemic mice. Uraemia was induced by 5/6 nephrectomy in E KO and in OPN and
Tissue proteome profiling of preeclamptic placenta using recombinant antibody microarrays
PURPOSE: preeclampsia (PE) is a severe, multi-system pregnancy disorder of yet unknown cause, missing means of treatment, and our fundamental understanding of the disease is still impaired. The purpose of this discovery study was to define candidate placenta tissue protein biomarker signatures to further decipher the molecular features of PE.EXPERIMENTAL DESIGN: we used recombinant antibody microa
ANCA-associated vasculitis and malignancy: Current evidence for cause and consequence relationships
Hepatocyte-like cells derived from human embryonic stem cells specifically via definitive endoderm and a progenitor stage
Human embryonic stem cells offer a potential unlimited supply for functional hepatocytes, since they can differentiate into hepatocyte-like cells displaying a characteristic hepatic morphology and expressing various hepatic markers. These cells could be used in various applications such as studies of drug metabolism and hepatotoxicity, which however, would require a significant expression of drug
Short communication: Lactic acid bacteria from the honeybee inhibit the in vitro growth of mastitis pathogens.
Despite the increasing knowledge of prevention and control strategies, bovine mastitis remains one of the most challenging diseases in the dairy industry. This study investigated the antimicrobial activity of 13 species of lactic acid bacteria (LAB), previously isolated from the honey crop of the honeybee, on several mastitis pathogens. The viable LAB were first reintroduced into a sterilized heat
Toolbox for development and validation of grey-box building models for forecasting and control
As automatic sensing and information and communication technology get cheaper, building monitoring data becomes easier to obtain. The availability of data leads to new opportunities in the context of energy efficiency in buildings. This paper describes the development and validation of a data-driven grey-box modelling toolbox for buildings. The Python toolbox is based on a Modelica library with th
Global energy security under different climate policies, GDP growth rates and fossil resource availabilities
Energy security is one of the main drivers of energy policies. Understanding energy security implications of long-term scenarios is crucial for informed policy making, especially with respect to transformations of energy systems required to stabilize climate change. This paper evaluates energy security under several global energy scenarios, modeled in the REMIND and WITCH integrated assessment mod
Biochemical and Cellular Investigation of Vitreoscilla Hemoglobin (VHb) Variants Possessing Efficient Peroxidase Activity
Peroxidase-like activity of Vitreoscilla hemoglobin (VHb) has been recently disclosed. To maximize such activity, two catalytically conserved residues (histidine and arginine) found in the distal pocket of peroxidases have successfully been introduced into that of the VHb. A 15-fold increase in catalytic constant (k(cat)) was obtained in P54R variant, which was presumably attributable to the lower
Production, purification and characterization of serraticin A, a novel cold-active antimicrobial produced by Serratia proteamaculans 136
Storm water quality of first flush urban runoff in relation to different traffic characteristics
Storm water quality was monitored at four sites in a middle-sized Swedish town. The objective was to compare storm water pollution in the first flush storm water runoff between sites with different traffic intensities within a town. Flow proportional storm water runoff samples were collected. The samples were analyzed for suspended solids, conductivity, total nitrogen, total phosphorus, oil index,
Mechanistic Basis of Branch-Site Selection in Filamentous Bacteria
Many filamentous organisms, such as fungi, grow by tip-extension and by forming new branches behind the tips. A similar growth mode occurs in filamentous bacteria, including the genus Streptomyces, although here our mechanistic understanding has been very limited. The Streptomyces protein DivIVA is a critical determinant of hyphal growth and localizes in foci at hyphal tips and sites of future bra
Women’s Education, Empowerment, and Contraceptive Use in Sub-Saharan Africa: Findings from Recent Demographic and Health Surveys
Fertility remains higher and contraceptive levels are substantially lower in Sub-Saharan Africa than elsewhere in the developing world. In this paper we use information on individuals and couples provided in recent Demographic and Health Surveys (DHS, fifth wave) undertaken in Ghana, Kenya, Madagascar, and Zambia. We use bivariate and multivariate techniques to examine the determinants of contrace
Hypoxia, pseudohypoxia and cellular differentiation
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Neuroepithelial control of mucosal inflammation in acute cystitis
The nervous system is engaged by infection, indirectly through inflammatory cascades or directly, by bacterial attack on nerve cells. Here we identify a neuro-epithelial activation loop that participates in the control of mucosal inflammation and pain in acute cystitis. We show that infection activates Neurokinin-1 receptor (NK1R) and Substance P (SP) expression in nerve cells and bladder epitheli
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Postscript to a small volume with poems by Hungarian poet Daniel Dányi (b. 1981)
Monetary Policy and Income Inequality in the United States: The Role of Labor Unions
Musculoskeletal manifestations of lysosomal storage disorders
Lysosomal storage disorders (LSDs), a heterogeneous group of inborn metabolic disorders, are far more common than most doctors presume. Although patients with a severe LSD subtype are often readily diagnosed, the more attenuated subtypes are frequently missed or diagnosis is significantly delayed. The presenting manifestations often involve the bones and/or joints and therefore these patients are
