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Olivier Saulnier

@olivier-saulnier.bsky.social
1.6K followers 3.1K following 90 posts

Junior Group Leader at institutcurie.bsky.social Crosstalk between embryonic development and childhood cancers 🎗️ institut-curie.org/team/saulnier

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Olivier Saulnier @olivier-saulnier.bsky.social · 07/10/2026
Happy to share our collaboration with @tamraogilvie.bsky.social !! RBFOX2 restrains oncogenic cell plasticity in Group 3 medulloblastoma Link of the preprint: www.biorxiv.org/content/10.6...
biorxiv.org
RBFOX2 restrains oncogenic cell plasticity in Group 3 medulloblastoma
Cancer cell plasticity underlies tumor progression, metastasis and therapeutic resistance, yet how RNA-binding proteins regulate malignant state transitions remains poorly defined. Here, we identify t...
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Olivier Saulnier @olivier-saulnier.bsky.social · 15/09/2026
Human and mouse adrenal glands are characterized by species-specific steroidogenic states and tissue turnover www.nature.com/articles/s41...
nature.com
Human and mouse adrenal glands are characterized by species-specific steroidogenic states and tissue turnover - Nature Genetics
The authors present a comprehensive comparative resource for adult human and mouse adrenal glands through single-cell and spatial transcriptomic analyses.
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Olivier Saulnier @olivier-saulnier.bsky.social · 14/08/2026
Temporal uncoupling of radial glia lineage progression in cortical organoids www.nature.com/articles/s41...
nature.com
Temporal uncoupling of radial glia lineage progression in cortical organoids - Nature
RGP lineage tracing in stem-cell-derived organoids shows highly plastic proliferation and reduced clonal neuronal diversity, indicating that missing non-cell-autonomous niche cues are essential for fa...
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Olivier Saulnier @olivier-saulnier.bsky.social · 28/07/2026
www.nature.com/articles/s41... Cancer is an RNA disease: DNA is not destiny, RNA determines leukemia fate
nature.com
Cancer is an RNA disease: DNA is not destiny, RNA determines leukemia fate - Leukemia
Leukemia - Cancer is an RNA disease: DNA is not destiny, RNA determines leukemia fate
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Olivier Saulnier @olivier-saulnier.bsky.social · 09/06/2026
Extremely happy to have defended my Habilitation à Diriger des Recherches (HDR), entilted "Decoding the developmental origins of childhood brain tumors", marking an important milestone in my journey as a junior PI. Thank you for coming Eddy and see you in Marseille for a dive?
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Eddy Pasquier 🧪🇫🇷🇦🇺 @eddpasquier.bsky.social · 08/06/2026
The one and only @olivier-saulnier.bsky.social defended his ability to direct research at Institut Curie today and I was fortunate enough to be part of the jury. And what a ride that was! I learned so much about the developmental origin of pediatric brain tumors and RNA splicing 🤩
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Olivier Saulnier @olivier-saulnier.bsky.social · 17/04/2026
Oncogenic and tumor-suppressive forces converge on a progenitor niche at the benign-to-malignant transition www.cell.com/cell/fulltex...
cell.com
Oncogenic and tumor-suppressive forces converge on a progenitor niche at the benign-to-malignant transition
Opposing oncogenic and tumor-suppressive forces establish a progenitor-like state that builds a self-reinforcing niche to drive benign-to-malignant transition in pancreatic cancer models. Disruption o...
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Olivier Saulnier @olivier-saulnier.bsky.social · 31/03/2026
A 3D morphogenetic blueprint for metastatic outgrowth in breast cancer www.cell.com/cell/fulltex...
cell.com
A 3D morphogenetic blueprint for metastatic outgrowth in breast cancer
Breast cancer macrometastases expand by activating a metastatic trabecular morphogenesis (MTM) program that redeploys developmental branching to build a fractal 3D lattice of epithelial cords, a state...
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Olivier Saulnier @olivier-saulnier.bsky.social · 19/03/2026
Merci infiniment pour cette reconnaissance 🙏 C’est un immense honneur de recevoir le prix Fondation TOURRE. Fier du travail accompli et plus motivé que jamais à poursuivre nos recherches pour mieux comprendre et traiter les cancers de l'enfant. 💪
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The Company of Biologists @biologists.bsky.social · 27/02/2026
Registration is open for @dmmjournal.bsky.social 2026 meeting 'Innovative Preclinical Models for Pediatric Cancer Research' organised by James Amatruda amatrudalab.bsky.social, Pratiti (Mimi) Bandopadhayay, bandolab.bsky.social, Ana Banito & Elaine Mardis. Find out more bit.ly/46r84Ca #DMM2026cancer
Innovative Preclinical Models for Pediatric Cancer Research
Organisers: James Amatruda, Pratiti (Mimi) Bandopadhayay, Ana Banito and Elaine Mardis

Date: 13 - 15 October 2026

Location: Nationwide Children's Hospital Conference Center, Columbus, Ohio, USA
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Olivier Saulnier @olivier-saulnier.bsky.social · 27/02/2026
Large-scale proteomics across neurological disorders uncovers biomarker panel and targets in multiple sclerosis doi.org/10.1016/j.ce...
doi.org
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Juan Antonio Rodríguez @jrotwitguez.bsky.social · 24/02/2026
🔊💥 How is sex determined? How is it encoded in the #3Dgenome? Read all about it in our last paper! www.nature.com/articles/s41... It’s been looong but feels satisfying to see this finally out. (With CapelLab, @dariloops.bsky.social Lab and @mamartirenom.bsky.social Lab) 🧵👇
nature.com
Chromatin spatial analysis by METALoci unveils sex-determining 3D regulatory hubs - Nature Structural & Molecular Biology
METALoci, a new three-dimensional genome computational tool, reveals a major rewiring of regulatory interactions during sex determination. By combining this method with transgenic models, the authors ...
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Olivier Saulnier @olivier-saulnier.bsky.social · 19/02/2026
Evolution of oncogene amplification across 86,000 cancer cell genomes www.biorxiv.org/content/10.6...
biorxiv.org
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Olivier Saulnier @olivier-saulnier.bsky.social · 03/02/2026
doi.org/10.1016/j.aj... Dominant and recessive ATOH1 variants cause distinct neurodevelopmental disorders with hearing loss
doi.org
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Olivier Saulnier @olivier-saulnier.bsky.social · 05/01/2026
Another great paper from @ckadoch.bsky.social lab, congrats! doi.org/10.1126/scie...
doi.org
A SWI/SNF-specific Ig-like domain, SWIFT, is a transcription factor binding platform
Mammalian SWI/SNF chromatin remodeling complexes modulate DNA accessibility and gene expression; however, their genomic targeting mechanisms remain incompletely understood. Here, we identify SWIFT (SW...
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Olivier Saulnier @olivier-saulnier.bsky.social · 22/12/2025
Somatic evolution following cancer treatment in normal tissue www.nature.com/articles/s41...
nature.com
Somatic evolution following cancer treatment in normal tissue - Nature
High-depth sequencing of non-cancerous tissue from patients with metastatic cancer reveals single-base mutational signatures of alcohol, smoking and cancer treatments, and reveals how exogenous factor...
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Olivier Saulnier @olivier-saulnier.bsky.social · 10/09/2025
RNA-binding proteins mediate the maturation of chromatin topology during differentiation www.nature.com/articles/s41...
nature.com
RNA-binding proteins mediate the maturation of chromatin topology during differentiation - Nature Cell Biology
Dehingia, Milewska-Puchała and colleagues find a pervasive lncRNA-mediated increase in interactions between CTCF and RNA-binding proteins during embryonic stem cell differentiation. These interactions...
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Olivier Saulnier @olivier-saulnier.bsky.social · 04/09/2025
Cancer neuroscience of brain metastasis: When in Rome, do as the Romans do www.cell.com/neuron/fullt...
cell.com
Cancer neuroscience of brain metastasis: When in Rome, do as the Romans do
In this comprehensive review, Karreman & Winkler explore how neural influences on the brain’s metastatic process govern brain tropism, colonization, and growth. Conversely, metastatic cancer has disti...
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Olivier Saulnier @olivier-saulnier.bsky.social · 04/09/2025
Cell-type-specific enrichment of somatic aneuploidy in the mammalian brain www.cell.com/neuron/fullt...
cell.com
Cell-type-specific enrichment of somatic aneuploidy in the mammalian brain
Mutations during brain development can alter the DNA of neurons, impacting their genetic identity. Using single-nucleus DNA methylation sequencing data from the adult mouse brain, Mukamel et al. ident...
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Olivier Saulnier @olivier-saulnier.bsky.social · 28/08/2025
www.biorxiv.org/content/10.1... SRRM1 coordinates an alternative splicing program that promotes expression of oncogenic protein isoforms
biorxiv.org
SRRM1 coordinates an alternative splicing program that promotes expression of oncogenic protein isoforms
The alternative splicing of the adapter protein NUMB is dysregulated in multiple cancer types, regulating its functional divergence towards either tumor suppression or oncogenesis in an isoform depend...
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Olivier Saulnier @olivier-saulnier.bsky.social · 10/07/2025
Temporal control of progenitor competence shapes maturation in GABAergic neuron development in mice www.nature.com/articles/s41...
nature.com
Temporal control of progenitor competence shapes maturation in GABAergic neuron development in mice - Nature Neuroscience
Unlike cortical progenitors, ventral telencephalic progenitors retain the ability to generate diverse neuron types during neurogenesis. Here, the authors show that ventral telencephalic progenitor mat...
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Olivier Saulnier @olivier-saulnier.bsky.social · 03/07/2025
Large-scale discovery of chromatin dysregulation induced by oncofusions and other protein-coding variants www.nature.com/articles/s41...
nature.com
Large-scale discovery of chromatin dysregulation induced by oncofusions and other protein-coding variants - Nature Biotechnology
The effects of oncofusions and other protein variants on chromatin remodeling are identified by PROD-ATAC.
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Olivier Saulnier @olivier-saulnier.bsky.social · 01/07/2025
Gene context drift identifies drug targets to mitigate cancer treatment resistance www.cell.com/cancer-cell/...
cell.com
Gene context drift identifies drug targets to mitigate cancer treatment resistance
Jassim et al. introduce a graph-embedding computational pipeline (RECODR) that measures changes in gene co-expression context during cancer treatment. RECODR enables the design of highly effective com...
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Olivier Saulnier @olivier-saulnier.bsky.social · 13/06/2025
Oncogenic and tumor-suppressive forces converge on a progenitor-orchestrated niche to shape early tumorigenesis www.biorxiv.org/content/10.1...
biorxiv.org
Oncogenic and tumor-suppressive forces converge on a progenitor-orchestrated niche to shape early tumorigenesis
The transition from benign to malignant growth is a pivotal yet poorly understood step in cancer progression that marks the shift from a pathologically inert condition to a clinically lethal disease. ...
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Silvia De Rubeis @derubeislab.bsky.social · 18/05/2025
🧪 New paper alert! In new work led by Adele Mossa out now in @natcomms.nature.com, we find that the #autism risk gene #DDX3X is a critical regulator of sexual dimorphisms in neuronal neurodevelopment 🧬 🧠 www.nature.com/articles/s41...
nature.com
Sex-specific perturbations of neuronal development caused by mutations in the autism risk gene DDX3X - Nature Communications
Genetic mutations in the DDX3X gene are associated with a neurodevelopmental disorder primarily affecting females. Here authors show that Ddx3x mediates sexual dimorphisms during brain development at ...
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Olivier Saulnier @olivier-saulnier.bsky.social · 19/05/2025
Radiation-induced amphiregulin drives tumour metastasis doi.org/10.1038/s415...
doi.org
Radiation-induced amphiregulin drives tumour metastasis - Nature
Radiotherapy induces expression of the EGFR ligand amphiregulin, which promotes metastasis growth at remote sites in mouse models and human patients by shifting myeloid cells towards an immunosup...
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Debby Silver @debbysilver.bsky.social · 14/05/2025
Thrilled to share our latest study out in @natureportfolio.nature.com led by the fantastically talented Jing Liu. Our study provides insight into a long standing question in biology: What molecular features make us uniquely human and how do these function? www.nature.com/articles/s41...
nature.com
A human-specific enhancer fine-tunes radial glia potency and corticogenesis - Nature
HARE5, a human accelerated region enhancer, modulates cortical development by influencing neural progenitor cell behaviour, leading to an enlarged neocortex with increased functional independence betw...
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Transposon and Cancer Epigenetics Group @deniz-lab.bsky.social · 06/05/2025
I am excited to share our lab's first review out with in Blood Cancer Journal. We discuss the impact of transposable elements on genome regulation and variation in both normal haematopoietic processes and haematological cancers. www.nature.com/articles/s41...
nature.com
Transposable elements as genome regulators in normal and malignant haematopoiesis - Blood Cancer Journal
Blood Cancer Journal - Transposable elements as genome regulators in normal and malignant haematopoiesis
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Institut Curie @institutcurie.bsky.social · 06/05/2025
📆 5-6 juin 2025 : Paris Kids Cancer, co-dirigé par l’ @ap-hp.bsky.social , @gustaveroussy.fr, l’Institut National du Cancer et l’Institut Curie, organise son 1er symposium sur le système immunitaire chez l'enfant et sa dysrégulation ℹ️ plus d'information : curie.fr/symposium-paris-kids-cancer-2025
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Olivier Saulnier @olivier-saulnier.bsky.social · 06/05/2025
Dissecting the immune landscape in pediatric high-grade glioma reveals cell state changes under therapeutic pressure www.cell.com/cell-reports...
cell.com
Dissecting the immune landscape in pediatric high-grade glioma reveals cell state changes under therapeutic pressure
LaBelle et al. show immune microenvironment changes following chemo-/radiotherapy and immune checkpoint blockade therapy via single-cell RNA-seq of matched tumor, T cells, and myeloid cells in pediatr...
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Victor Javier @vjsanchez.bsky.social · 25/04/2025
Spatial mapping of transcriptomic plasticity in metastatic #PancreaticCancer 🧪 www.nature.com/articles/s41...
nature.com
Spatial mapping of transcriptomic plasticity in metastatic pancreatic cancer - Nature
Spatially resolved transcriptomic profiling of primary tumours and metastases from patients with pancreatic cancer provides insight into the evolutionary progression to metastasis, and the variation i...
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Olivier Saulnier @olivier-saulnier.bsky.social · 24/04/2025
Metastatic medulloblastoma remodels the local leptomeningeal microenvironment to promote further metastatic colonization and growth www.nature.com/articles/s41...
nature.com
Metastatic medulloblastoma remodels the local leptomeningeal microenvironment to promote further metastatic colonization and growth - Nature Cell Biology
Abeysundara, Rasnitsyn, Fong et al. report that the presence of leptomeningeal metastatic tumour cells leads to the recruitment and remodelling of fibroblasts, which, in turn, facilitate the colonizat...
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Olivier Saulnier @olivier-saulnier.bsky.social · 22/04/2025
Congratulations @haldipur.bsky.social, It's great to see it out! 🧠 Mapping the developmental profile of ventricular zone-derived neurons in the human cerebellum doi.org/10.1073/pnas...
doi.org
PNAS
Proceedings of the National Academy of Sciences (PNAS), a peer reviewed journal of the National Academy of Sciences (NAS) - an authoritative source of high-impact, original research that broadly spans...
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Evgeny Kvon @evgenykvon.bsky.social · 09/04/2025
A tour de force study from Taipale&Yin labs. It expands the vocabulary of the Regulatory Code by adding 1131 TF:TF composite motifs that are different from the individual TF motifs. The new composite motifs are enriched in cell-type specific elements and active in vivo www.nature.com/articles/s41...
nature.com
DNA-guided transcription factor interactions extend human gene regulatory code - Nature
A large-scale analysis of DNA-bound transcription factors (TFs) shows how the presence of DNA markedly affects the landscape of TF interactions, and identifies composite motifs that are recognized by ...
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Institut Curie @institutcurie.bsky.social · 08/04/2025
🔴 Dans un entretien à @lexpress.bsky.social, Yasmine Belkaid DG @pasteur.fr, Bana Jabri DG @institutimagine.bsky.social et Alain Puisieux, Pdt du Directoire de l’Institut Curie, lancent un appel pour défendre la #science face aux menaces qui pèsent sur elle. ➡️ www.lexpress.fr/sciences-san...
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Olivier Saulnier @olivier-saulnier.bsky.social · 08/04/2025
The path to leptomeningeal metastasis www.nature.com/articles/s41...
nature.com
The path to leptomeningeal metastasis - Nature Reviews Cancer
Metastasis to the leptomeninges causes substantial neurological morbidity and mortality. Owing to the lack of mechanistic studies in this area, patients still face a bleak clinical prognosis. In this ...
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Nori Zolboot @norjin.bsky.social · 02/04/2025
✨So happy to see part of my PhD work with @lippilab.bsky.social out today in @cp-neuron.bsky.social! ✨ We developed new tools to study microRNA-target networks with greater spatial and temporal resolution and found neuronal subtype- and developmental stage-specific roles:
cell.com
MicroRNA mechanisms instructing Purkinje cell specification
Zolboot et al. introduce DD-T6B and SAP-seq, methods for investigating microRNA function with enhanced spatiotemporal resolution, and identify Purkinje cell-specific microRNAs and targets instructing ...
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Kaia Mattioli @kaiamattioli.bsky.social · 26/03/2025
our work on the molecular differences between transcription factor isoforms is out now in Molecular Cell! key point: 2/3rds of TF isos differ in properties like DNA binding & transcriptional activity many are "negative regulators" & misexpressed in cancer www.sciencedirect.com/science/arti...
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Olivier Saulnier @olivier-saulnier.bsky.social · 20/03/2025
Single-cell atlas of endothelial and mural cells across primary and metastatic brain tumors doi.org/10.1016/j.im...
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Olivier Saulnier @olivier-saulnier.bsky.social · 14/03/2025
Cool feature, let's try it! Thanks to @sjgreenwood.bsky.social and @nkgarg.bsky.social
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Richard Sever @richardsever.bsky.social · 11/03/2025
Big news: we are setting up a new non-profit organization to run bioRxiv and medRxiv. It's called openRxiv [no it's not a new preprint server; it's dedicated organization to oversee the servers] openrxiv.org 1/n
openrxiv.org
Homepage - openRxiv
openRxiv is an independent non-profit, the new organizational home for bioRxiv and medRxiv, enabling researchers to instantly share groundbreaking findings with the global scientific community.
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Olivier Saulnier @olivier-saulnier.bsky.social · 27/02/2025
Intrinsic electrical activity drives small-cell lung cancer progression www.nature.com/articles/s41...
nature.com
Intrinsic electrical activity drives small-cell lung cancer progression - Nature
Electrical excitability in neuroendocrine SCLC cells promotes tumour progression through action potential firing, increasing ATP demand and oxidative phosphorylation dependency, whereas non-neuroendoc...
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Olivier Saulnier @olivier-saulnier.bsky.social · 24/02/2025
Synergistic RAS-MAPK and AKT Activation in MYC-Driven Tumors via Adjacent PVT1 Rearrangements Really excited to see this fascinating work on @biorxivpreprint.bsky.social! Huge congrats to Ashu and Anindya and the entire team for this masterpiece, bravo! www.biorxiv.org/content/10.1...
biorxiv.org
Synergistic RAS-MAPK and AKT Activation in MYC-Driven Tumors via Adjacent PVT1 Rearrangements
MYC-driven (MYC+) cancers are aggressive and often fatal. MYC dysregulation is a key event in these cancers, but overexpression of MYC alone is not always enough to cause cancer. Plasmocytoma Variant ...
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Nature @nature.com · 20/02/2025
A two-and-a-half-year-old girl shows no signs of a rare genetic disorder, after becoming the first person to be treated for the motor-neuron condition while in the womb. go.nature.com/41a7Zzj
go.nature.com
Rare genetic disorder treated in womb for the first time
The child, who is now almost three years old, shows no signs of the often fatal motor neuron disease.
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Bob Darnell @darnelr.bsky.social · 18/02/2025
NOVA1, a neuron-specific RNA binding protein & splicing factor, likely impacted language function in human evolution. Human NOVA1 is unique (vs mammals, Neanderthals), & it changes vocalization in CRISPR’d mice! TY @NatureComms @RockefellerUniv team, collaborators @erichjarvis @asiepel labs 🧵👇
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Olivier Saulnier @olivier-saulnier.bsky.social · 18/02/2025
Developmental Origins and Oncogenesis in Medulloblastoma www.annualreviews.org/content/jour...
annualreviews.org
Developmental Origins and Oncogenesis in Medulloblastoma | Annual Reviews
Medulloblastoma is the most common pediatric brain cancer and is broadly categorized into four molecular subgroups. Understanding the cell origins of medulloblastoma is crucial for preventing tumor fo...
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Olivier Saulnier @olivier-saulnier.bsky.social · 10/02/2025
Gliomagenesis mimics an injury response orchestrated by neural crest-like cells www.nature.com/articles/s41...
nature.com
Gliomagenesis mimics an injury response orchestrated by neural crest-like cells - Nature
A study using glioblastoma mouse models, serial magnetic resonance imaging and single-cell profiling details changes in the identity and balance of cellular states from initiation of tumorigenesis to ...
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Olivier Saulnier @olivier-saulnier.bsky.social · 07/02/2025
ProtGPS: Protein codes promote selective subcellular compartmentalization www.science.org/doi/10.1126/...
science.org
Protein codes promote selective subcellular compartmentalization
Cells have evolved mechanisms to distribute ~10 billion protein molecules to subcellular compartments where diverse proteins involved in shared functions must assemble. Here, we demonstrate that prote...
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Olivier Saulnier @olivier-saulnier.bsky.social · 05/02/2025
🔥 Quantifying cell divisions along evolutionary lineages in cancer www.nature.com/articles/s41...
nature.com
Quantifying cell divisions along evolutionary lineages in cancer - Nature Genetics
This work presents a framework for estimating cell division numbers using DNA replication-associated polyguanine tract mutations, with applications for understanding tumor natural histories and origin...
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Pratiti (Mimi) Bandopadhayay @bandolab.bsky.social · 28/01/2025
Proud to share this preprint on behalf of Nico, Daren and team with some insights that we hope will be helpful to those modeling K27M mutations in histone proteins. #BandoLab www.biorxiv.org/content/10.1...
biorxiv.org
N-terminal modification of Histone H3 inhibits H3K27M-mediated loss of H3K27 trimethylation
The use of short epitope tags is widespread in the study of histone H3 biology as they allow for the antibody-mediated detection and pulldown of particular histone post-translational modifications (PT...
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