Lysosome

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Membrane (biologie)

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Publications associées (31)

Mechanistic insights into AMP-activated protein kinase-dependent gene expression

Caterina Collodet

AMP-activated protein kinase (AMPK) is a fundamental enzyme that controls energy homeostasis, through orchestrating the cellular response to a reduction in energy availability. Under conditions of cellular energy stress AMPK senses the decrease in ATP leve ...

EPFL2019

Cellular Uptake and Intracellular Trafficking of Poly(N-(2-Hydroxypropyl) Methacrylamide)

Anders Meibom, Harm-Anton Klok, Graham Knott, Stéphane Laurent Escrig, Olivier Burri, Arne Seitz, Claudia Battistella, Romain Guiet

Cellular uptake and intracellular trafficking of polymer conjugates or polymer nanoparticles is typically monitored using fluorescence-based techniques such as confocal microscopy. While these methods have provided a wealth of insight into the internalizat ...

American Chemical Society2019

2D nanopores: fabrication, energy harvesting and field-effect sensing

Michael Graf

Solid-state nanopores are man-made, nano-sized openings in membranes separating two chambers containing an electrolyte solution. When applying an electric field across the membrane, the nanopore provides the only path for mobile ions to pass from one side ...

EPFL2019

ER-to-lysosome-associated degradation of proteasome-resistant ATZ polymers occurs via receptor-mediated vesicular transport

Maurizio Molinari, Paolo Paganetti

Maintenance of cellular proteostasis relies on efficient clearance of defective gene products. For misfolded secretory proteins, this involves dislocation from the endoplasmic reticulum (ER) into the cytosol followed by proteasomal degradation. However, po ...

2018

Cytosolic delivery and characterization of monobodies interfering with SH2 domain-phosphotyrosine interactions

Nadine Eliane Schmit

Targeted cancer therapy is a very promising concept; however, small molecule inhibitors only exist for a limited number of oncoproteins and resistance development limits their clinical use. Different engineered non-antibody scaffolds are being explored to ...

EPFL2018

Gyrl-like proteins catalyze cyclopropanoid hydrolysis to confer cellular protection

Shuguang Yuan, Wei Huang, Yue Yin

Gyrl-like proteins are widely distributed in prokaryotes and eukaryotes, and recognized as small-molecule binding proteins. Here, we identify a subfamily of these proteins as cyclo-propanoid cyclopropyl hydrolases (CCHs) that can catalyze the hydrolysis of ...

Nature Publishing Group2017

Superparamagnetic nanohybrids with cross-linked polymers providing higher in vitro stability

Heinrich Hofmann, Lionel André Maurizi

A simple, rapid, reproducible, and scalable method for generating highly stable cross-linked superparamagnetic nanohybrids was developed. Pre-coating of superparamagnetic iron oxide nanoparticle surfaces with a biocompatible polymer, hydroxy polyvinyl alco ...

Springer Verlag2017

Viral RNA Degradation and Diffusion Act as a Bottleneck for the Influenza A Virus Infection Efficiency

Christian Sieben

After endocytic uptake, influenza viruses transit early endosomal compartments and eventually reach late endosomes. There, the viral glycoprotein hemagglutinin (HA) triggers fusion between endosomal and viral membrane, a critical step that leads to release ...

Public Library Science2016

Five Questions (with their Answers) on ER-Associated Degradation

Maurizio Molinari

Production of a functional proteome is a major burden for our cells. Native proteins operate inside and outside the cells to eventually warrant life and adaptation to metabolic and environmental changes, there is no doubt that production and inappropriate ...

Wiley-Blackwell2016

Silver nanoparticle-protein interactions in intact rainbow trout gill cells

Kristin Schirmer, Laura Sigg, Renata Behra, Yang Yue

Upon contact with biota, nanoparticles can bind to proteins, which coat the nanoparticles and form a nanoparticle-protein corona. Knowledge of corona proteins is therefore important for a mechanistic understanding of how nanoparticles interact with biomole ...

Royal Soc Chemistry2016

A method for analysis and design of metabolism using metabolomics data and kinetic models: Application on lipidomics using a novel kinetic model of sphingolipid metabolism

Vassily Hatzimanikatis, Paolo Angelino, Howard Riezman, Georgios Savoglidis

We present a model-based method, designated Inverse Metabolic Control Analysis (IMCA), which can be used in conjunction with classical Metabolic Control Analysis for the analysis and design of cellular metabolism. We demonstrate the capabilities of the met ...

Academic Press Inc Elsevier Science2016

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