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Didier Trono

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Related publications (149)

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Single-cell transcriptome analysis reveals atypical monocytes circulating ahead of acute graft-versus-host disease clinical onset

Didier Trono, Evaristo Jose Planet Letschert, Filipe Amândio Brandão Sanches Vong Martins

Acute graft-versus-host disease (aGVHD) represents the rejection of the recipient's skin, gut, and liver tissues of an allogeneic hematopoietic stem cell transplantation (HSCT) by the donor T cells. The onset of aGVHD is often rapid and its evolution is un ...

OXFORD UNIV PRESS2024

KRAB-Zinc Finger Proteins and KAP1 Can Mediate Long-Range Transcriptional Repression through Heterochromatin Spreading

Didier Trono, Philipp Bucher, Giovanna Ambrosini, Nadine Fournier, Anna Claire Groner, Nicolas Dénervaud

Krüppel-associated box domain-zinc finger proteins (KRAB-ZFPs) are tetrapod-specific transcriptional repressors encoded in the hundreds by the human genome. In order to explore their as yet ill-defined impact on gene expression, we developed an ectopic rep ...

Public Library of Science2010

VEGFR-3 Neutralization Inhibits Ovarian Lymphangiogenesis, Follicle Maturation, and Murine Pregnancy

Jeffrey Alan Hubbell, Didier Trono, Melody Swartz

Lymphatic vessels surround follicles within the ovary, but their roles in folliculogenesis and pregnancy, as well as the necessity of Lymphangiogenesis in follicle maturation and health, are undefined. We used systemic delivery of mF4-31C1, a specific anta ...

Elsevier Science Inc2013

A switch between topological domains underlies HoxD genes collinearity in mouse limbs

Didier Trono, Denis Duboule, Marion Leleu, Guillaume Andrey

Hox genes are major determinants of the animal body plan, where they organize structures along both the trunk and appendicular axes. During mouse limb development, Hoxd genes are transcribed in two waves: early on, when the arm and forearm are specified, a ...

American Association for the Advancement of Science2013

KAP1-mediated epigenetic repression in the forebrain modulates behavioral vulnerability to stress

Maria del Carmen Sandi Perez, Didier Trono, Maria Isabel Cordero Campana, Jean-Charles Bensadoun, Anna Claire Groner

KAP1 is an essential cofactor of KRAB-zinc finger proteins, a family of vertebrate-specific epigenetic repressors of largely unknown functions encoded in the hundreds by the mouse and human genomes. Here, we report that KAP1 is expressed at high levels and ...

2008

Primate-specific transposable elements shape transcriptional networks during human development

Christopher James Playfoot, Matthias Lütolf, Didier Trono, Julien Léonard Duc, Sandra Eloise Kjeldsen, Evaristo Jose Planet Letschert, Cyril David Son-Tuyên Pulver, Julien Paul André Pontis, Delphine Yvette L Grun, Andrea Manfrin

The human genome harbors more than 4.5 million transposable element (TE)-derived insertions, the result of recurrent waves of invasion and internal propagation. Here they show that TEs belonging to evolutionarily recent subfamilies go on to regulate later ...

Nature Portfolio2022

KAP1 facilitates reinstatement of heterochromatin after DNA replication

Didier Trono, Priscilla Turelli, Sandra Eloise Kjeldsen, Julien Léonard Duc, Annamaria Kauzlaric, Andrea Coluccio, Julien Paul André Pontis, Suk Min Jang, Benjamin Rauwel

During cell division, maintenance of chromatin features from the parental genome requires their proper establishment on its newly synthetized copy. The loss of epigenetic marks within heterochromatin, typically enriched in repetitive elements, endangers ge ...

2018

Efficient and sensitive profiling of RNA–protein interactions using TLC-CLIP

Didier Trono, Julien Léonard Duc, Christina Ernst

RNA-binding proteins are instrumental for post-transcriptional gene regulation, controlling all aspects throughout the lifecycle of RNA molecules. However, transcriptome-wide methods to profile RNA-protein interactions in vivo remain technically challengin ...

2023

Properties of LINE-1 proteins and repeat element expression in the context of amyotrophic lateral sclerosis

Didier Trono, Priscilla Turelli, Evaristo Jose Planet Letschert

BackgroundAmyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease involving loss of motor neurons and having no known cure and uncertain etiology. Several studies have drawn connections between altered retrotransposon expression and ALS. C ...

2018

Self-inactivating lentivirus vector for safe and efficient in vivo gene delivery

Didier Trono, Romain Zufferey

In vivo transduction of nondividing cells by human immunodeficiency virus type 1 (HIV-1)-based vectors results in transgene expression that is stable over several months. However, the use of HIV-1 vectors raises concerns about their safety. Here we describ ...

American Society for Microbiology1998

Ancestral genome reconstruction enhances transposable element annotation by identifying degenerate integrants

Wayo Matsushima, Didier Trono, Evaristo Jose Planet Letschert

Growing evidence indicates that transposable elements (TEs) play important roles in evolution by providing genomes with coding and non-coding sequences. Identification of TE-derived functional elements, however, has relied on TE annotations in individual s ...

2024

Oncogenesis Following Delivery of a Nonprimate Lentiviral Gene Therapy Vector to Fetal and Neonatal Mice

Didier Trono

Gene therapy by use of integrating vectors carrying therapeutic transgene sequences offers the potential for a permanent cure of genetic diseases by stable vector insertion into the patients' chromosomes. However, three cases of T cell lymphoproliferative ...

2005

Lentivirus vector gene expression during ES cell-derived hematopoietic development in vitro

Didier Trono, Romain Zufferey

The murine embryonal stem (ES) cell virus (MESV) can express transgenes from the long terminal repeat (LTR) promoter/enhancer in undifferentiated ES cells, but expression is turned off upon differentiation to embryoid bodies (EBs) and hematopoietic cells i ...

American Society for Microbiology2000

S-acylation controls SARS-CoV-2 membrane lipid organization and enhances infectivity

Didier Trono, Matteo Dal Peraro, Françoise Gisou van der Goot Grunberg, Priscilla Turelli, Luciano Andres Abriata, Laurence Gouzi Abrami, Giovanni D'Angelo, Charlène Mireille Raymonde Raclot, Béatrice Kunz, Francisco De Magalhães Sarmento Ribeiro De Mesquita, Oksana Andrei Sergeeva

SARS-CoV-2 virions are surrounded by a lipid bilayer that contains membrane proteins such as spike, responsible for target-cell binding and virus fusion. We found that during SARS-CoV-2 infection, spike becomes lipid modified, through the sequential action ...

Cell Press - Elsevier2021

KRAB can repress lentivirus proviral transcription independently of integration site

Didier Trono, Isabelle Barde

The KRAB transcriptional repressor domain, commonly found in zinc finger proteins, acts by inducing the formation of heterochromatin. We previously exploited this property to achieve drug-regulated transgenesis and knock down by combining doxycycline-contr ...

2006

Characterization of APOBEC3G binding to 7SL RNA

Didier Trono, Bastien Mangeat

Human APOBEC3 proteins are editing enzymes that can interfere with the replication of exogenous retroviruses such as human immunodeficiency virus (HIV), hepadnaviruses such as hepatitis B virus (HBV), and with the retrotransposition of endogenous retroelem ...

2008

DPPA2 and DPPA4 are necessary to establish a 2C‐like state in mouse embryonic stem cells

Didier Trono, Julien Léonard Duc, Alexandre Coudray, Alberto De Iaco

After fertilization of the transcriptionally silent oocyte, expression from both parental chromosomes is launched through zygotic genome activation (ZGA), occurring in the mouse at the 2-cell (2C) stage. Among the first elements to be transcribed are the D ...

2019

Molecular Criteria for Defining the Naive Human Pluripotent State

Didier Trono, Evaristo Jose Planet Letschert, Julien Léonard Duc, Marc Samuel Friedli, Michaël Imbeault, Julien Paul André Pontis, Alexandra Iouranova

Recent studies have aimed to convert cultured human pluripotent cells to a naive state, but it remains unclear to what extent the resulting cells recapitulate in vivo naive pluripotency. Here we propose a set of molecular criteria for evaluating the naive ...

Cell Press2016

Hominoid-Specific Transposable Elements and KZFPs Facilitate Human Embryonic Genome Activation and Control Transcription in Naive Human ESCs

Didier Trono, Priscilla Turelli, Sandra Eloise Kjeldsen, Evaristo Jose Planet Letschert, Julien Léonard Duc, Alexandre Coudray, Julien Paul André Pontis

Expansion of transposable elements (TEs) coincides with evolutionary shifts in gene expression. TEs frequently harbor binding sites for transcriptional regulators, thus enabling coordinated genome-wide activation of species- and context-specific gene expre ...

2019

Development of cellular models for ribosomal protein S19 (RPS19)-deficient diamond-blackfan anemia using inducible expression of siRNA against RPS19

Didier Trono, Thomas Kiefer

Diamond-Blackfan anemia (DBA) is a congenital red cell aplasia in which 25% of the patients have a mutation in the ribosomal protein S19 (RPS19) gene. No models exist for RPS19-deficient DBA and the molecular pathogenesis is unknown. To establish an in vit ...

2005