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Concept

Luciférase

Publications associées (25)

Hyperthermic intrathoracic chemotherapy to control malignant pleural mesothelioma

Yameng Hao

OBJECTIVE: Malignant pleural mesothelioma (MPM) is a rare disease that has a poor response to conventional therapy. Hyperthermic intrathoracic chemotherapy (HITOC), a treatment combining fever-range hyperthermia with intrapleural cisplatin chemotherapy, ha ...

EPFL2023

Measuring reporter activity domain in EPI aggregates and Gastruloids.ijm

Matthias Lütolf, Olivier Burri, Romain Guiet, Mehmet Ugur Girgin

This imagej macro analyses the reporter intensity activity and expression domain in EPI aggregates and Gastruloids. ...

Zenodo2022

Development of novel tools for imaging of metabolic fluxes in vivo

Tamara Maric

Bioluminescent imaging is a powerful technique that enables imaging in living organisms with high sensitivity, low background signal, low cost and without the need for radioactivity. The emitted photons are produced in the oxidation reaction of luciferin c ...

EPFL2020

Phosphoregulated orthogonal signal transduction in mammalian cells

Leo Scheller

Orthogonal tools for controlling protein function by post-translational modifications open up new possibilities for protein circuit engineering in synthetic biology. Phosphoregulation is a key mechanism of signal processing in all kingdoms of life, but too ...

Nature Research2020

A biosensor for measuring NAD(+) levels at the point of care

Johan Auwerx, Kai Johnsson, Luc Patiny, Elena Katsyuba, Lin Xue, Qiuliyang Yu

The cellular level of nicotinamide adenine dinucleotide (NAD(+)), through its different functions, affects cellular metabolism and signalling(1-3). A decrease in the NAD(+) content has been associated with various pathologies and physiological aging(4,5), ...

NATURE PUBLISHING GROUP2019

Bioorthogonal chemistry in bioluminescence imaging

Elena Goun, Aurélien Godinat, Arkadiy Bazhin

Bioorthogonal chemistry has developed significant over the past few decades, to the particular benefit of molecular imaging. Bioluminescence imaging (BLI) along with other imaging modalities have significantly benefitted from this chemistry. Here, we revie ...

ELSEVIER SCI LTD2018

In Vivo Molecular Bioluminescence Imaging: New Tools and Applications

Elena Goun, Hacer Karatas

in vivo bioluminescence imaging (BLi) is an optical molecular imaging technique used to visualize molecular and cellular processes in health and diseases and to follow the fate of cells with high sensitivity using luciferase-based gene reporters. The high ...

Elsevier2017

The Split Luciferin Reaction : From Bioorthogonal Chemistry to Bioluminescence Imaging

Aurélien Godinat

Studying biological processes on the level of live cells with the help of biocompatible reac-tions has tremendously advanced our understanding of basic biology. However, the great complexity of many human pathologies such as cancer, diabetes and neurodegen ...

EPFL2017

Bioluminescent Antibodies for Point-of-Care Diagnostics

Kai Johnsson, Rudolf Griss, Alberto Schena, Qiuliyang Yu, Lin Xue

We introduce a general method to transform antibodies into ratiometric, bioluminescent sensor proteins for the no-wash quantification of analytes. Our approach is based on the genetic fusion of antibody fragments to NanoLuc luciferase and SNAP-tag, the lat ...

Wiley-VCH Verlag GmbH2017

Visualizing chemical transport from extracellular symbionts into squid host tissues using NanoSIMS

Stéphanie Kéren Cohen

Chemical communication is the basis of host-microbe interaction. Insights into this communication will provide a deeper understanding of the mechanisms that govern these complex associations, in beneficial as well as pathogenic contexts. In this dissertati ...

EPFL2017

A new promoter element associated with daily time keeping in Drosophila

Felix Naef, Eric Paquet

Circadian clocks are autonomous daily timekeeping mechanisms that allow organisms to adapt to environmental rhythms as well as temporally organize biological functions. Clock-controlled timekeeping involves extensive regulation of rhythmic gene expression. ...

Oxford University Press2017

Caged luciferin probes for the bioluminescence imaging of nitroreductase and hydrogen sulfide in living animals

Anzhelika Vorobyeva

Molecular imaging advances our understanding of cellular and molecular functions within complex biological systems. The development of novel imaging probes that can be applied to answer fundamental biological questions, diagnose and monitor disease progres ...

EPFL2016

Measurement of pO2 by luminescence lifetime spectroscopy: A comparative study of the phototoxicity and sensitivity of [Ru(Phen)3]2+ and PdTCPP in vivo

Georges Wagnières, Emmanuel Louis Arthur Gerelli, Veronika Huntosova

Dysfunctions in tissue metabolism can be detected at early stages by oxygen partial pressure (pO(2)) measurement. The measurement of emission lifetimes offers very promising and non-invasive approach to estimate pO(2) in vivo. This study compares two exten ...

Wiley-V C H Verlag Gmbh2016

Bioluminescence for Assessing Drug Potency against Nonreplicating Mycobacterium tuberculosis

Stewart Cole, Neeraj Dhar, Claudia Sala, Anthony Vocat, Ruben Hartkoorn, Ming Zhang, Benoit Lechartier

Targeting dormant Mycobacterium tuberculosis represents a challenge to antituberculosis drug discovery programs. We previously reported and validated the use of the streptomycin (STR)-dependent M. tuberculosis 18b strain as a tool for assessing drug potenc ...

American Society for Microbiology2015

Precursor molecule for the synthesis of d-luciferin

Elena Goun, Aurélien Godinat

The present invention relates to precursor molecules for the synthesis of D-luciferin, or blocked D-luciferin and derivatives thereof, which are functionalized in different positions. Further, the use of functionalized precursor molecules for the synthesis ...

2015

Intestinal steroidogenesis controls PPAR expression in the colon and is impaired during ulcerative colitis

Johan Auwerx

Background and aims Immune tolerance breakdown during UC involves the peroxisome proliferator-activated receptor- (PPAR), a key factor in mucosal homoeostasis and the therapeutic target of 5-aminosalycilates, which expression is impaired during UC. Here we ...

Bmj Publishing Group2015

Silicon-on-Insulator Technology for Bioluminescence Imaging and Application to a Switching Photodetector

Maher Kayal, Adil Koukab, Denis Sallin

This paper analyzes some advantages of Silicon-on-Insulator (SOI) based photodetectors for bioluminescence imaging. It shows that SOI based sensors not only solve the bulk carriers problem, it can also act as a very selective spectral filter by acting as a ...

Ieee2015

Bioluminescence imaging of small biomolecules

Elena Goun, Aurélien Godinat, Riccardo Sinisi, Grigory Karateev, Ghyslain Martial Alain Budin, Aleksandra Konovalova, Jens Tomas Frigell

The invention relates to a technique to detect small molecules using Bioluminescence imaging (BLI) to image and quantify non-invasively, in vitro and in vivo,intracellular metabolite fluxes and which can be applied to azido-modified compounds, such as azid ...

2014

Firefly Light Flashing: Oxygen Supply Mechanism

Giorgio Margaritondo

Firefly luminescence is an intriguing phenomenon with potential technological applications, whose biochemistry background was only recently established. The physics side of this phenomenon, however, was still unclear, specifically as far as the oxygen supp ...

2014

Bioluminescent and micro-computed tomography imaging of bone repair induced by fibrin-binding growth factors

Jeffrey Alan Hubbell

In this work we have evaluated the capacity of bone morphogenetic protein-2 (BMP-2) and fibrin-binding platelet-derived growth factor-BB (PDGF-BB) to support cell growth and induce bone regeneration using two different imaging technologies to improve the u ...

Elsevier Sci Ltd2014