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PubMed Journals Articles About "ATPase Inhibitor Pipeline Insights 2017 Report Updated 01092017" RSS

02:31 EDT 21st October 2017 | BioPortfolio

ATPase Inhibitor Pipeline Insights 2017 Report Updated 01092017 PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest ATPase Inhibitor Pipeline Insights 2017 Report Updated 01092017 articles that have been published worldwide.

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Showing "ATPase Inhibitor Pipeline Insights 2017 Report Updated 01092017" PubMed Articles 1–25 of 23,000+

Ouabain affects cell migration via Na,K-ATPase-p130cas and via nucleus-centrosome association.

Na,K-ATPase is a membrane protein that catalyzes ATP to maintain transmembrane sodium and potassium gradients. In addition, Na,K-ATPase also acts as a signal-transducing receptor for cardiotonic steroids such as ouabain and activates a number of signalling pathways. Several studies report that ouabain affects cell migration. Here we used ouabain at concentrations far below those required to block Na,K-ATPase pump activity and show that it significantly reduced RPE cell migration through two mechanisms. It c...


Data Analysis Pipeline for RNA-seq Experiments: From Differential Expression to Cryptic Splicing.

RNA sequencing (RNA-seq) is a high-throughput technology that provides unique insights into the transcriptome. It has a wide variety of applications in quantifying genes/isoforms and in detecting non-coding RNA, alternative splicing, and splice junctions. It is extremely important to comprehend the entire transcriptome for a thorough understanding of the cellular system. Several RNA-seq analysis pipelines have been proposed to date. However, no single analysis pipeline can capture dynamics of the entire tra...

Na(+) /K(+) -ATPase coupled to endothelin receptor type B stimulates peripheral nerve regeneration via lactate signaling.

We have recently demonstrated that endothelin (ET) is functionally coupled to Nax , a Na(+) concentration-sensitive Na(+) channel for lactate release via ET receptor type B (ETB R) and is involved in peripheral nerve regeneration in a sciatic nerve transection-regeneration mouse model. Nax is known to interact directly with Na(+) /K(+) -ATPase, leading to lactate production in the brain. To investigate the role of Na(+) /K(+) -ATPase in peripheral nerve regeneration, in the present study we applied ouabain,...


Sperm Na(+), K(+)-ATPase α4 and plasma membrane Ca(2+)-ATPase (PMCA) 4 regulation in asthenozoospermia.

Asthenozoospermia, which is characterized by reduced motility, is one of the etiologies of male infertility. Its biochemical and functional consequences include altered ATPase activity. This study investigated the activities of Na(+), K(+)-ATPase and Ca(2+)-ATPase and the expression of Na(+), K(+)-ATPase α4 and PMCA4 isoforms in human sperm of asthenozoospermic infertile men. Nineteen samples from asthenozoospermic infertile couples were examined in this study. Computerized-assisted semen analysis (CASA) w...

Biolayer Interferometry of Lipid Nanodisc-Reconstituted Yeast Vacuolar H(+) -ATPase.

Vacuolar H(+) -ATPase (V-ATPase) is a large, multisubunit membrane protein complex responsible for the acidification of subcellular compartments and the extracellular space. V-ATPase activity is regulated by reversible disassembly, resulting in cytosolic V1 -ATPase and membrane-integral Vo proton channel sectors. Reversible disassembly is accompanied by transient interaction with cellular factors and assembly chaperones. Quantifying protein-protein interactions involving membrane proteins, however, is chall...

ChAMP: Updated Methylation Analysis Pipeline for Illumina BeadChips.

The Illumina Infinium HumanMethylationEPIC BeadChip is the new platform for high-throughput DNA methylation analysis, effectively doubling the coverage compared to the older 450K array. Here we present a significantly updated and improved version of the Bioconductor package ChAMP, which can be used to analyze EPIC and 450k data. Many enhanced functionalities have been added, including correction for cell-type heterogeneity, network analysis, and a series of interactive graphical user interfaces.

The roles of V-type H(+)-ATPase and Na(+)/K(+)-ATPase in energizing K(+) and H(+) transport in larval Drosophila gut epithelia.

We analyzed V- type H(+)-ATPase (VA) and Na(+)/K(+)-ATPase (NKA) along the caeca and midgut of third instar Drosophila larvae using immunohistochemistry and ATPase activity assays. Corresponding H(+) and K(+) fluxes were characterized using the Scanning Ion-Selective Electrode Technique (SIET), and the roles of transport ATPases in energizing ion transport across the larval gut were investigated by basal application of bafilomycin, a VA inhibitor, and ouabain, a NKA inhibitor. Addition of bafilomycin led to...

The F0F1 ATP synthase regulates human neutrophil migration through cytoplasmic proton extrusion coupled with ATP generation.

Cytoplasmic alkalinization and extracellular adenosine triphosphate (ATP) signals are required for migration of chemokineactivated neutrophils, but the precise functions remain unclear. In this work, the effect of the plasma membrane-expressed F0F1-ATP synthase (FATPase) on human neutrophils was examined. We found F-ATPase to be involved in cytoplasm proton extrusion and extracellular ATP generation. Oligomycin A, an F-ATPase inhibitor that blocks proton transfer, inhibited cytoplasmic alkalinization, extra...

The H+/K+ ATPase Inhibitor SCH-28080 Inhibits Insulin Secretion and Induces Cell Death in INS-1E Rat Insulinoma Cells.

Glucose-stimulated insulin secretion (GSIS) of pancreatic β-cells involves glucose uptake and metabolism, closure of KATP channels and depolarization of the cell membrane potential (Vmem), activation of voltage-activated Ca2+ currents (ICav) and influx of Ca2+, which eventually triggers hormone exocytosis. Beside this classical pathway, KATP-independent mechanisms such as changes in intracellular pH (pHi) or cell volume, which also affect β-cell viability, can elicit or modify insulin release. In β-cells...

COFACTOR: improved protein function prediction by combining structure, sequence and protein-protein interaction information.

The COFACTOR web server is a unified platform for structure-based multiple-level protein function predictions. By structurally threading low-resolution structural models through the BioLiP library, the COFACTOR server infers three categories of protein functions including gene ontology, enzyme commission and ligand-binding sites from various analogous and homologous function templates. Here, we report recent improvements of the COFACTOR server in the development of new pipelines to infer functional insights...

Molecular Insights into the Potential Insecticidal Interaction of β-Dihydroagarofuran Derivatives with the H Subunit of V-ATPase.

Celangulin V (CV), one of dihydroagarofuran sesquiterpene polyesters isolated from Chinese bittersweet (Celastrus angulatus Maxim), is famous natural botanical insecticide. Decades of research suggests that is displays excellent insecticidal activity against some insects, such as Mythimna separata Walker. Recently, it has been validated that the H subunit of V-ATPase is one of the target proteins of the insecticidal dihydroagarofuran sesquiterpene polyesters. As a continuation of the development of new pest...

Alzheimer's disease Aβ42 peptide induces an increase in Na,K-ATPase glutathionylation.

We have shown that the inhibition of Na,K-ATPase during its long-term incubation with amyloid beta (Aβ42), an Alzheimer's disease protein, is caused by the change in the thiol redox status of cells leading to induction of glutathionylation α-subunit of Na,K-ATPase. To restore the activity of Na,K-ATPase, it is proposed to use reducing agents, which promote normalization of the redox status of cells and deglutathionylation of the protein.

Novel Hsp90 inhibitor platycodin D disrupts Hsp90/Cdc37 complex and enhances the anticancer effect of mTOR inhibitor.

Heat shock protein 90 (Hsp90) is a critically conserved molecular chaperone protein and promising therapeutic target for cancer treatment. In this study, platycodin D (PD), a saponin isolated from traditional Chinese herb Platycodonis Radix, was identified as a novel Hsp90 inhibitor. We verified that PD did not affect the ATPase activity of Hsp90. However, PD disrupted the co-chaperone interaction of Hsp90/cell division cycle protein 37 (Cdc37) and subsequently degraded multiple Hsp90 client proteins withou...

Role of Na+/K(+)-ATPase in Natriuretic Effect of Prolactin in a Model of Cholestasis of Pregnancy.

Participation of Na+/K+-ATPase in the natriuretic effect of prolactin in a cholestasis of pregnancy model was investigated. The Na+/K+-ATPase activity in rat kidney medulla, where active sodium reabsorption occurs, decreased in the model of cholestasis of pregnancy and other hyperprolactinemia types compared with intact animals. This effect was not connected with the protein level of α1- and β-subunits of Na+/K+-ATPase measured by Western blotting in the kidney medulla. Decrease in Na+/K+-ATPase activity ...

A Role for Calcium-Activated Adenylate Cyclase and Protein Kinase A in the Lens Src Family Kinase and Na,K-ATPase Response to Hyposmotic Stress.

Na,K-ATPase activity in lens epithelium is subject to control by Src family tyrosine kinases (SFKs). Previously we showed hyposmotic solution causes an SFK-dependent increase in Na,K-ATPase activity in the epithelium. Here we explored the role of cAMP in the signaling mechanism responsible for the SFK and Na,K-ATPase response.

Risk-based underground pipeline safety management considering corrosion effect.

Due to the long term usage and irregular maintenance for corrosion checks, catastrophic accidents have been increasing in underground pipelines. In this study, a new safety management methodology of underground pipeline, risk-based pipeline management, is introduced reflecting corrosion effect. First, principle of the risk-based pipeline management is presented compared with an original method, qualitative measure. It is distinguished from the qualitative measure by reflecting societal risk and corrosion in...

The interaction of the bioinsecticide PA1b (Pea Albumin 1 subunit b) with the insect V-ATPase triggers apoptosis.

PA1b (Pea Albumin 1, subunit b) peptide is an entomotoxin, extracted from Legume seeds, with a lethal activity towards several insect pests, such as mosquitoes, some aphids and cereal weevils. This toxin acts by binding to the subunits c and e of the plasma membrane H(+)-ATPase (V-ATPase) in the insect midgut. In this study, two cereal weevils, the sensitive Sitophilus oryzae strain WAA42, the resistance Sitophilus oryzae strain ISOR3 and the insensitive red flour beetle Tribolium castaneum, were used in bi...

A global survey of alternative splicing in allopolyploid cotton: landscape, complexity and regulation.

Alternative splicing (AS) is a crucial regulatory mechanism in eukaryotes, which acts by greatly increasing transcriptome diversity. The extent and complexity of AS has been revealed in model plants using high-throughput next-generation sequencing. However, this technique is less effective in accurately identifying transcript isoforms in polyploid species because of the high sequence similarity between coexisting subgenomes. Here we characterize AS in the polyploid species cotton. Using Pacific Biosciences ...

Long-Term Clinical and Angiographic Outcomes Following Pipeline Embolization Device Treatment of Complex Internal Carotid Artery Aneurysms: Five-Year Results of the Pipeline for Uncoilable or Failed Aneurysms Trial.

Early and mid-term safety and efficacy of aneurysm treatment with the Pipeline Embolization Device (PED) has been well demonstrated in prior studies.

Toward the automatic quantification of in utero brain development in 3D structural MRI: A review.

Investigating the human brain in utero is important for researchers and clinicians seeking to understand early neurodevelopmental processes. With the advent of fast magnetic resonance imaging (MRI) techniques and the development of motion correction algorithms to obtain high-quality 3D images of the fetal brain, it is now possible to gain more insight into the ongoing maturational processes in the brain. In this article, we present a review of the major building blocks of the pipeline toward performing quan...

Updated Cost-effectiveness Assessments of PCSK9 Inhibitors From the Perspectives of the Health System and Private Payers: Insights Derived From the FOURIER Trial.

Preliminary cost-effectiveness analyses of proprotein convertase subtilisin/kexin type 9 inhibitor (PCSK9i) were based on benefits estimated from reductions in low-density lipoprotein cholesterol that occurred in PCSK9i trials with variable results. The recent Further Cardiovascular Outcomes Research with PCSK9 Inhibition in Subjects with Elevated Risk (FOURIER) trial provides better information about the effectiveness of the drug.

Antiviral Immunity and Circular RNA: No End in Sight.

In this issue of Molecular Cell, two papers by Chen et al. (2017) and Li et al. (2017) describe new insights into circRNA biogenesis and function, connecting circRNAs to innate immune pathways.

Reactivity of 12-tungstophosphoric acid and its inhibitor potency toward Na(+)/K(+)-ATPase: A combined (31)P NMR study, ab initio calculations and crystallographic analysis.

Influence of 12-tungstophosphoric acid (WPA) on conversion of adenosine triphosphate (ATP) to adenosine diphosphate (ADP) in the presence of Na(+)/K(+)-ATPase was monitored by (31)P NMR spectroscopy. It was shown that WPA exhibits inhibitory effect on Na(+)/K(+)-ATPase activity. In order to study WPA reactivity and intermolecular interactions between WPA oxygen atoms and different proton donor types (D=O, N, C), we have considered data for WPA based compounds from the Cambridge Structural Database (CSD), th...

Salt-induced Na(+)/K(+)-ATPase-α/β expression involves soluble adenylyl cyclase in endothelial cells.

High dietary salt intake may lead to vascular stiffness, which predicts cardiovascular diseases such as heart failure, and myocardial and cerebral infarctions as well as renal impairment. The vascular endothelium is a primary target for deleterious salt effects leading to dysfunction and endothelial stiffness. We hypothesize that the Ca(2+)- and bicarbonate-activated soluble adenylyl cyclase (sAC) contributes to Na(+)/K(+)-ATPase expression regulation in vascular endothelial cells and is an important regula...

Update: Influenza Activity - United States, October 2, 2016-February 4, 2017.

This report summarizes U.S. influenza activity* during October 2, 2016-February 4, 2017,(†) and updates the previous summary (1). Influenza activity in the United States began to increase in mid-December, remained elevated through February 4, 2017, and is expected to continue for several more weeks. To date, influenza A (H3N2) viruses have predominated overall, but influenza A (H1N1)pdm09 and influenza B viruses have also been identified.


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