Publications associées à Nuclear Lipid Droplet Birth during Replicative Stress

Publications associées (20)

Expanding the fluorescence microscopy toolbox with fluorogenic polymethine dyes

Fluorescence imaging is an indispensable tool to understand how biological networks operate in the complex environment of the living cell. Small-molecule fluorescent dyes offer many advantages including their high modularity, favorable photophysical proper ...

EPFL2024

AspSnFR: A genetically encoded biosensor for real-time monitoring of aspartate in live cells

Kai Johnsson

Aspartate is crucial for nucleotide synthesis, ammonia detoxification, and maintaining redox balance via the malate-aspartate-shuttle (MAS). To disentangle these multiple roles of aspartate metabolism, tools are required that measure aspartate concentratio ...

CELL PRESS2024

CenFind: a deep-learning pipeline for efficient centriole detection in microscopy datasets

Adrien Julien Félix Journe, Pierre Gönczy, Martin Weigert, Sahand Jamal Rahi, Georgios Hatzopoulos, Léo Arthur Bürgy

BackgroundHigh-throughput and selective detection of organelles in immunofluorescence images is an important but demanding task in cell biology. The centriole organelle is critical for fundamental cellular processes, and its accurate detection is key for a ...

BMC2023

Uncovering personalized glucose responses and circadian rhythms from multiple wearable biosensors with Bayesian dynamical modeling

Felix Naef, Nicholas Edward Phillips

Wearable biosensors and smartphone applications can measure physiological variables over multiple days in free-living conditions. We measure food and drink ingestion, glucose dynamics, physical activity, heart rate (HR), and heart rate variability (HRV) in ...

CELL PRESS2023

Mitochondrial respiratory chain dysfunction disrupts intracellular cholesterol homeostasis

Christopher Tadhg James Wall

Mitochondrial diseases are rare and severe conditions with debilitating symptoms. Biochemical defects in mitochondria however are common. The difference between these two frequencies is suspected to lie in the capability of the cells to adapt to the homeos ...

EPFL2022

Akt Is S-Palmitoylated: A New Layer of Regulation for Akt

Françoise Gisou van der Goot Grunberg, Laurence Gouzi Abrami

The protein kinase Akt/PKB participates in a great variety of processes, including translation, cell proliferation and survival, as well as malignant transformation and viral infection. In the last few years, novel Akt posttranslational modifications have ...

FRONTIERS MEDIA SA2021

Organelle-specific targeting of polymersomes into the cell nucleus

Zekiye Pelin Güven

Organelle-specific nanocarriers (NCs) are highly sought after for delivering therapeutic agents into the cell nucleus. This necessitates nucleocytoplasmic transport (NCT) to bypass nuclear pore complexes (NPCs). However, little is known as to how comparabl ...

National Academy of Sciences2020

Nano-imaging trace elements at organelle levels in substantia nigra overexpressing alpha-synuclein to model Parkinson's disease

Bernard Schneider, Graham Knott, Philippe André Guy Colin

Sub-cellular trace element quantifications of nano-heterogeneities in brain tissues offer unprecedented ways to explore at elemental level the interplay between cellular compartments in neurodegenerative pathologies. We designed a quasi-correlative method ...

NATURE PUBLISHING GROUP2020

Dynamic Imaging of Lipid Membranes by Means of Water

Orly Bagunu Tarun

Lipid membranes are self-assembled structures whose composition determines the properties of membranes of cells and organelles. The molecular level understanding of lipid membranes is based on spectroscopy and MD simulations of lipid monolayer systems. As ...

EPFL2019

Two nanomachines drive evolution in diverse Vibrio species

Noémie Matthey

Horizontal gene transfer (HGT) has a major impact on bacterial evolution, leading to acquisition or deletion of genes and gene clusters, including those encoding antibiotic resistances and virulence factors. HGT therefore contributes to pathogen emergence, ...

EPFL2019

ALK7 Signaling Manifests a Homeostatic Tissue Barrier That Is Abrogated during Tumorigenesis and Metastasis

Douglas Hanahan, Nadine Fournier, Mélanie Louise Tichet, Iacovos Michael, Mohammad Sadegh Saghafinia

Herein, we report that the TGF beta superfamily receptor ALK7 is a suppressor of tumorigenesis and metastasis, as revealed by functional studies in mouse models of pancreatic neuroendocrine and lumina! breast cancer, complemented by experimental metastasis ...

Cell Press - Elsevier2019

Automated high-content phenotyping from the first larval stage till the onset of adulthood of the nematode Caenorhabditis elegans

Martinus Adela Maria Gijs, Johan Auwerx, Matteo Cornaglia, Laurent Mouchiroud, Hüseyin Baris Atakan

The nematode Caenorhabditis elegans is increasingly used as a model for human biology. However, in vivo culturing platforms for C. elegans allowing high-content phenotyping during their life cycle in an automated fashion are lacking so far. Here, a multipl ...

ROYAL SOC CHEMISTRY2019

Fluorescent sensor proteins to assess the cellular uptake of therapeutic peptides and small molecules

Silvia Scarabelli

The determination of cell membrane permeability and of the absorption and clearance rates is an important step in the pharmacokinetic profiling of a new drug candidate. In a similar way, research in cell biology relies on the development of cell penetratin ...

EPFL2017

Surface-initiated controlled radical polymerization enhanced DNA biosensing

Harm-Anton Klok, Tugba Bilgiç Tune

The surface chemistry at the DNA recognition and binding interface plays an important role in determining the performance of DNA microarrays and DNA biosensors. Surface-initiated controlled radical polymerization (SI-CRP) reactions represent a powerful too ...

2015

Microfluidic Ultrafiltration and Acoustophoresis as a Human Breast Milk Optimizing Plateform for Neonatal Nutrition

Blaise Guélat

In recent years, research has highlighted that breast milk with higher concentrations of lipid and protein could benefit to the survival rate and quality of life of preterm infants. However, to date, there is no clinical means available to separate, concen ...

EPFL2013

A Role for Septins in the Interaction between the Listeria monocytogenes Invasion Protein InlB and the Met Receptor

Sandor Kasas, Charles Roduit

Septins are conserved GTPases that form filaments and are required for cell division. During interphase, septin filaments associate with cellular membrane and cytoskeleton networks, yet the functional significance of these associations have, to our knowled ...

Elsevier2011

H2AX is required for cell cycle arrest via the p53/p21 pathway

Peter Martin Beard

Phosphorylation of H2AX (gamma H2AX) is an early sign of DNA damage induced by replication stalling. However, the role of H2AX in the repair of this type of DNA damage is still unclear. In this study, we used an inactivated adeno-associated virus (AAV) to ...

2009

An overview of the fission yeast septation initiation network (SIN)

Viesturs Simanis, Andrea Krapp

The fission yeast septation initiation network, or SIN, is a signal transduction network that is required for septum formation in Schizosaccharomyces pombe. Its activity is tightly regulated through the cell cycle, to ensure proper co-ordination of mitosis ...

2008

Interstitial flow and its effects in soft tissues

Melody Swartz, Mark Fleury

Interstitial flow plays important roles in the morphogenesis, function, and pathogenesis of tissues. To investigate these roles and exploit them for tissue engineering or to overcome barriers to drug delivery, a comprehensive consideration of the interstit ...

2007

Oxidative stress on biomaterials : from molecules to cells

Reactive Oxygen Species (ROS) is a family of oxygen-based active molecules, which are deeply involved in numerous crucial processes of cellular metabolism, where the redox equilibrium is very important. An imbalance between ROS and the cell ability to neut ...

EPFL2006