Publications associées à Épigénome

Epigenome-wide DNA methylation in externalizing behaviours: A review and combined analysis

Maria del Carmen Sandi Perez, Mandy Meijer

DNA methylation (DNAm) is one of the most frequently studied epigenetic mechanisms facilitating the interplay of genomic and environmental factors, which can contribute to externalizing behaviours and related psychiatric disorders. Previous epigenome-wide ...

PERGAMON-ELSEVIER SCIENCE LTD2023

Clinical efficacy of ONC201 in H3K27M-mutant diffuse midline gliomas is driven by disruption of integrated metabolic and epigenetic pathways

Sebastian Martin Waszak, Li Jiang

H3K27M-mutant diffuse midline glioma (DMG) patients have no proven effective therapies. ONC201 has recently demonstrated efficacy in these patients, but the mechanism behind this remains unknown. We assessed clinical outcomes, tumor sequencing, and tissue/ ...

2023

Postnatal expansion of mesenteric lymph node stromal cells towards reticular and CD34(+) stromal cell subsets

Bart Deplancke, Vincent Roland Julien Gardeux, Julie Marie Russeil, Jörn Pezoldt, Guido Van Mierlo, Maria Litovchenko, Wanze Chen, Marjan Biocanin

Gut-draining mesenteric lymph nodes (LN) provide the framework to shape intestinal adaptive immune responses. Based on the transcriptional signatures established by our previous work, the composition and immunomodulatory function of LN stromal cells (SC) v ...

Nature Portfolio2022

Integrative transcriptome analyses of Transposable Elements (TEs) and genes contribute to a better understanding of colorectal cancer

Eunji Shin

Cancer is the second leading cause of death worldwide. Cancer develops through multiple hallmark functions including apoptosis evasion, unlimited replicative potential, metastasis, and immune avoidance. Over the past few decades, researchers have reported ...

EPFL2022

Notch1-driven T-ALL chromatin landscape is regulated by Tcf1 in hematopoietic progenitors

Mateusz Waldemar Antoszewski

Notch1 receptor signaling is essential for T cell fate specification and physiological thymic T lymphocyte development. Its dysregulation and oncogenic activation are detected in almost 80% of pediatric patients suffering from T cell acute lymphoblastic le ...

EPFL2021

Multiplexed Single-Molecule Experiments Reveal Nucleosome Invasion Dynamics of the Cas9 Genome Editor

Beat Fierz, Louise Catherine Bryan, Kristina Makasheva

Single-molecule measurements provide detailed mechanistic insights into molecular processes, for example in genome regulation where DNA access is controlled by nucleosomes and the chromatin machinery. However, real-time single-molecule observations of nucl ...

AMER CHEMICAL SOC2021

Comparative Transcriptomics Analyses across Species, Organs, and Developmental Stages Reveal Functionally Constrained lncRNAs

Fabrice Daniel Darbellay, Anamaria Necsulea

The functionality of long noncoding RNAs (lncRNAs) is disputed. In general, lncRNAs are under weak selective pressures, suggesting that the majority of lncRNAs may be nonfunctional. However, although some surveys showed negligible phenotypic effects upon l ...

OXFORD UNIV PRESS2020

EPD in 2020: enhanced data visualization and extension to ncRNA promoters

Giovanna Ambrosini, Philipp Bucher, Romain Fernand Pietro Groux, René Dreos, Patrick Meylan

The Eukaryotic Promoter Database (EPD), available online at https://epd.epfl.ch, provides accurate transcription start site (TSS) information for promoters of 15 model organisms plus corresponding functional genomics data that can be viewed in a genome bro ...

2020

Roles of Epigenetic Dysregulation in Cancer Progression and Metastasis

Mohammad Sadegh Saghafinia

Nearly all the cells of an organism share the same DNA sequence or genome, and yet they show different phenotypes and carry out different functions. This diversity is made possible by a verity of molecular modifications acting on the DNA sequence that coll ...

EPFL2020

ZFP30 promotes adipogenesis through the KAP1-mediated activation of a retrotransposon-derived Pparg2 enhancer

Didier Trono, Bart Deplancke, Julien Léonard Duc, Julie Marie Russeil, Riccardo Dainese, Marco Cassano, Michaël Imbeault, Sunil Kumar Raghav, Petra Catalina Schwalie, Suk Min Jang, Wanze Chen, Carine Delattre-Gubelmann, Evgeniia Pankevich

Krüppel-associated box zinc finger proteins (KZFPs) constitute the largest family of mammalian transcription factors, but most remain completely uncharacterized. While initially proposed to primarily repress transposable elements, recent reports have revea ...

Nature Research2019

Mitotic chromosome binding predicts transcription factor properties in interphase

Cédric Deluz, David Michael Suter, Torgil Elias Friman, Andrea Brigitta Alber, Mahé Cécile Raccaud

Mammalian transcription factors (TFs) differ broadly in their nuclear mobility and sequence-specific/non-specific DNA binding. How these properties affect their ability to occupy specific genomic sites and modify the epigenetic landscape is unclear. The as ...

Nature Research2019

Mitotic chromosome binding predicts transcription factor properties in interphase

Mahé Cécile Raccaud

Mammalian transcription factors (TFs) differ broadly in their nuclear mobility and sequence-specific/non-specific DNA binding affinity. How these properties affect the ability of TFs to occupy their specific binding sites in the genome and modify the epige ...

EPFL2019

Pan-Cancer Landscape of Aberrant DNA Methylation across Human Tumors

Douglas Hanahan, Mohammad Sadegh Saghafinia, Giovanni Ciriello, Marco Mina

The discovery of cancer-associated alterations has primarily focused on genetic variants. Nonetheless, altered epigenomes contribute to deregulate transcription and promote oncogenic pathways. Here, we designed an algorithmic approach (RESET) to identify a ...

2018

Gene regulatory mechanisms underlying the intestinal innate immune response

Bart Deplancke, Antonio Carlos Alves Meireles Filho

In the mammalian gastrointestinal tract, distinct types of cells, including epithelial cells and macrophages, collaborate to eliminate ingested pathogens while striving to preserve the commensal microbiota. The underlying innate immune response is driven b ...

Elsevier2017

KRAB zinc-finger proteins contribute to the evolution of gene regulatory networks

Didier Trono, Michaël Imbeault, Pierre-Yves Joseph Laurent Helleboid

The human genome encodes some 350 Kruppel-associated box (KRAB) domain-containing zinc-finger proteins (KZFPs), the products of a rapidly evolving gene family that has been traced back to early tetrapods(1,2). The function of most KZFPs is unknown, but a f ...

Nature Publishing Group2017

Dynamic chromatin technologies: from individual molecules to epigenomic regulation in cells

Beat Fierz

The establishment and maintenance of chromatin states involves multiscale dynamic processes integrating transcription factor and multiprotein effector dynamics, cycles of chemical chromatin modifications, and chromatin structural organization. Recent devel ...

Nature Publishing Group2017

Hyperplectonemes: A Higher Order Compact and Dynamic DNA Self-Organization

Giovanni Dietler, Paolo De Los Rios, Giovanni Longo, Fabrizio Benedetti, Aleksandre Japaridze

Bacterial chromosome has a compact structure that dynamically changes its shape in response to bacterial growth rate and growth phase. Determining how chromatin remains accessible to DNA binding proteins, and transcription machinery is crucial to understan ...

American Chemical Society2017

The chromatin remodeling factor ISW-1 integrates organismal responses against nuclear and mitochondrial stress

Johan Auwerx, Maroun Bou Sleiman

Age-associated changes in chromatin structure have a major impact on organismal longevity. Despite being a central part of the ageing process, the organismal responses to the changes in chromatin organization remain unclear. Here we show that moderate dist ...

Nature Research2017

Transcription factor proteomics - Tools, applications, and challenges

Bart Deplancke, Jovan Simicevic

Transcription factors (TFs) are a family of DNA-binding proteins whose gene regulatory capabilities are of vital importance in defining the molecular state of a cell. Despite their biological significance, our understanding of TF behavior and function is s ...

Wiley-Blackwell2017

Assessing Recent Selection and Functionality at Long Noncoding RNA Loci in the Mouse Genome

Anamaria Necsulea

Long noncoding RNAs (lncRNAs) are one of the most intensively studied groups of noncoding elements. Debate continues over what proportion of lncRNAs are functional or merely represent transcriptional noise. Although characterization of individual lncRNAs h ...

Oxford Univ Press2015