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Mathieu Lupien

@matlupien.bsky.social
1.6K followers 691 following 87 posts

Senior scientist @Princess Margaret Cancer Centre, Prof @UofT. BHAG: Conquer cancer by treating it as a disease of the chromatin. lupienlab.uhnresearch.ca

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Reposted by Mathieu Lupien
Princess Margaret Cancer Centre @pmresearch-uhn.bsky.social · 18/09/2026
Our researchers identified a set of 94 regulatory proteins that can help predict survival outcomes and treatment response in triple-negative breast cancer, paving the way for more personalized therapy for patients with this aggressive disease. www.nature.com/articles/s41... @uhnresearch.ca @uhn.ca
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Reposted by Mathieu Lupien
Mathieu Lupien @matlupien.bsky.social · 10/08/2026
How do you find what drives a cancer defined by what it lacks? In TNBC, Shalini Bahl, Nergiz Dogan-Artun & team uncovered tumour-specific regulatory programs and TF dependencies—and used them to repurpose drugs for tailored treatment. www.nature.com/articles/s41...
nature.com
A chromatin-informed transcriptional regulatory framework to stratify patients and guide therapy selection in triple-negative breast cancer - Nature Communications
Triple-negative breast cancer (TNBC) is an aggressive, heterogeneous subtype with limited treatment options. Here, transcriptional network inference integrated with chromatin accessibility across prim...
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Mathieu Lupien @matlupien.bsky.social · 10/08/2026
How do you find what drives a cancer defined by what it lacks? In TNBC, Shalini Bahl, Nergiz Dogan-Artun & team uncovered tumour-specific regulatory programs and TF dependencies—and used them to repurpose drugs for tailored treatment. www.nature.com/articles/s41...
nature.com
A chromatin-informed transcriptional regulatory framework to stratify patients and guide therapy selection in triple-negative breast cancer - Nature Communications
Triple-negative breast cancer (TNBC) is an aggressive, heterogeneous subtype with limited treatment options. Here, transcriptional network inference integrated with chromatin accessibility across prim...
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Reposted by Mathieu Lupien
Reese Richardson @reeserichardson.bsky.social · 05/06/2026
The Thermo Fisher situation keeps getting worse. We've now collected 450+ problematic images presented as verification data in TF's antibody catalog. This includes: 🖌️ Dozens more images with duplications or painting 🖨️ Hundreds of blots that all share the same background (behold slideshow below)
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Reposted by Mathieu Lupien
Princess Margaret Cancer Centre @pmresearch-uhn.bsky.social · 01/06/2026
A new study by @uhn.ca Princess Margaret Cancer Centre and University of Oxford identified a subset of blood stem cells that are shaped by past inflammatory events. These cells can accumulate with age and are linked to mutations with a higher risk of leukemia. www.nature.com/articles/s41...
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Mathieu Lupien @matlupien.bsky.social · 11/05/2026
Upcoming cancer epigenetics conference in Paris (Oct 13-16, 2026). Consider registering: www.atoutcom.com/cancer-epige...
atoutcom.com
Cancer Epigenetics
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Reposted by Mathieu Lupien
Mathieu Lupien @matlupien.bsky.social · 05/05/2026
Excited to share our @natgenet.nature.com study showing that epigenetically rewired transposable elements control AML leukemia stem cell properties and patient outcome. Grateful to the team & collaborators. www.nature.com/articles/s41...
nature.com
Transposable elements shape stemness in normal and leukemic hematopoiesis - Nature Genetics
This study identifies distinct transposable element subfamilies as genetic determinants of stemness properties in normal and leukemic stem populations with clinical implications for patients with acut...
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Mathieu Lupien @matlupien.bsky.social · 08/05/2026
Excited to share our Nature Genetics Research Briefing on how the repetitive genome helps shape leukemia stemness. We found that transposable elements sustain stem-like states in AML and predict patient outcomes. www.nature.com/articles/s41...
nature.com
Alterations of chromatin state at transposable elements rewire stemness in acute myeloid leukemia - Nature Genetics
By mapping chromatin accessibility over transposable elements (TEs) across normal hematopoietic cells and the various cell types of primary acute myeloid leukemia (AML), we identified TE subfamilies w...
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Reposted by Mathieu Lupien
Alexis Verger 🧬🧫🧪 @alexis-verger.cpesr.fr · 07/05/2026
www.lalsace.fr/science-et-t...
lalsace.fr
Disparition. Le Mulhousien Pierre Chambon, sommité de la recherche scientifique, est décédé à 95 ans
Professeur honoraire au Collège de France, professeur émérite à la faculté de médecine de l’université de Strasbourg, ce natif de Mulhouse, âgé de ...
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Mathieu Lupien @matlupien.bsky.social · 05/05/2026
Excited to share our @natgenet.nature.com study showing that epigenetically rewired transposable elements control AML leukemia stem cell properties and patient outcome. Grateful to the team & collaborators. www.nature.com/articles/s41...
nature.com
Transposable elements shape stemness in normal and leukemic hematopoiesis - Nature Genetics
This study identifies distinct transposable element subfamilies as genetic determinants of stemness properties in normal and leukemic stem populations with clinical implications for patients with acut...
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Reposted by Mathieu Lupien
Princess Margaret Cancer Centre @pmresearch-uhn.bsky.social · 04/05/2026
Our new study found that ancient DNA sequences in our genome, called transposable elements, can act as control hubs for leukemia stem cells, fueling therapy resistance and relapse in AML. Led by @matlupien.bsky.social & John Dick @uhn.ca @uhnresearch.ca. www.nature.com/articles/s41...
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Reposted by Mathieu Lupien
Mark Carney @mark-carney.bsky.social · 05/04/2026
The first astronaut in history to speak French while en route to the moon — Canada’s very own Jeremy Hansen 🇨🇦
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Reposted by Mathieu Lupien
Tugce Aktas @aktast.bsky.social · 25/02/2026
Our most recent work on the “function and evolution” of #nuclear-speckles is now online at Cell @cp-cell.bsky.social doi.org/10.1016/j.ce... Read the thread👇 for the highlights of our findings.
doi.org
Redirecting
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Reposted by Mathieu Lupien
QMUL Centre for Epigenetics @qmulepigenetics.bsky.social · 25/02/2026
We're excited to announced that our 2nd Annual QMUL Centre for Epigenetics Conference is happening on June 18th, 2026 at Mile End! To find out more and book your ticket, please follow this link: www.qmul.ac.uk/epigenetics/... The deadline to book your tickets is Monday, June 8th 2026.
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Reposted by Mathieu Lupien
Mathieu Lupien @matlupien.bsky.social · 19/02/2026
Pleased to share our new @natcancer.nature.com paper, where we harmonized cfMeDIP-seq across 11 cancer types, integrating methylation & fragmentation to boost detection. This resource strengthens the foundation for liquid biopsy monitoring to enable better, earlier, less invasive care.
nature.com
A pan-cancer compendium of 1,294 plasma cell-free DNA methylomes and fragmentomes enabling multicancer detection - Nature Cancer
Zeng et al. analyzed cfDNA methylation and fragmentomic data from 1,294 patient plasma samples across 14 major cancer types to present a comprehensive landscape of pancancer and cancer-specific cell-f...
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Reposted by Mathieu Lupien
Nature Cancer @natcancer.nature.com · 19/02/2026
🌟New Resource article Read about the pancancer landscape of cancer-specific cell-free DNA methylation and fragmentomic features from plasma samples from 1,294 patients ✒️Yong Zeng, @matlupien.bsky.social, @pughlab.bsky.social, Housheng Hansen He & colleagues www.nature.com/articles/s43...
nature.com
A pan-cancer compendium of 1,294 plasma cell-free DNA methylomes and fragmentomes enabling multicancer detection - Nature Cancer
Zeng et al. analyzed cfDNA methylation and fragmentomic data from 1,294 patient plasma samples across 14 major cancer types to present a comprehensive landscape of pancancer and cancer-specific cell-f...
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Reposted by Mathieu Lupien
Princess Margaret Cancer Centre @pmresearch-uhn.bsky.social · 19/02/2026
Our researchers analyzed 1,294 blood samples from 11 cancer types to build a comprehensive atlas of DNA methylation patterns, advancing pan-cancer detection and monitoring through liquid biopsy. Published in Nature Cancer: www.nature.com/articles/s43... @uhnresearch.ca @uhn.ca
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Mathieu Lupien @matlupien.bsky.social · 19/02/2026
Pleased to share our new @natcancer.nature.com paper, where we harmonized cfMeDIP-seq across 11 cancer types, integrating methylation & fragmentation to boost detection. This resource strengthens the foundation for liquid biopsy monitoring to enable better, earlier, less invasive care.
nature.com
A pan-cancer compendium of 1,294 plasma cell-free DNA methylomes and fragmentomes enabling multicancer detection - Nature Cancer
Zeng et al. analyzed cfDNA methylation and fragmentomic data from 1,294 patient plasma samples across 14 major cancer types to present a comprehensive landscape of pancancer and cancer-specific cell-f...
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Reposted by Mathieu Lupien
Mathieu Lupien @matlupien.bsky.social · 06/02/2026
New study from Dr. Hansen Housheng He’s team, thrilled that we contributed, on functional mapping of m6A in cancer at scale with implications for novel target discovery and future therapeutic development. www.nature.com/articles/s43...
nature.com
METTL3-based epitranscriptomic editing screening identifies functional m6A sites in cancers - Nature Cancer
He and colleagues develop a METTL3-based RNA base-editing screening strategy to identify functional N6-methyladenosine (m6A) sites that are important for prostate cancer cells and validate the role of...
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Mathieu Lupien @matlupien.bsky.social · 06/02/2026
New study from Dr. Hansen Housheng He’s team, thrilled that we contributed, on functional mapping of m6A in cancer at scale with implications for novel target discovery and future therapeutic development. www.nature.com/articles/s43...
nature.com
METTL3-based epitranscriptomic editing screening identifies functional m6A sites in cancers - Nature Cancer
He and colleagues develop a METTL3-based RNA base-editing screening strategy to identify functional N6-methyladenosine (m6A) sites that are important for prostate cancer cells and validate the role of...
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Reposted by Mathieu Lupien
Princess Margaret Cancer Centre @pmresearch-uhn.bsky.social · 02/01/2026
Our new study found that, when prostate cancer cells spread, they adopt an “inflammatory-like” state and mimic immune cells, suggesting new ways to control cancer progression. Co-led by @matlupien.bsky.social @uhn.ca @uhnresearch.ca with @dkfz.bsky.social: doi.org/10.1038/s414...
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Reposted by Mathieu Lupien
Mathieu Lupien @matlupien.bsky.social · 23/12/2025
Back-to-back: Integrating single-nuclei RNA-seq and whole-genome sequencing, @joachimwei.bsky.social and his team show how prostate cancer metastasis is shaped by plasticity-driven convergence alongside ongoing clonal evolution, with distinct clones adopting shared transcriptional trajectories.
nature.com
Clonal evolution and transcriptional plasticity shape metastatic dissemination routes in prostate cancer - Nature Communications
The impact of tumour heterogeneity on metastatic potential in prostate cancer remains poorly understood. Here, the analysis of single nuclei RNA sequencing and whole-genome sequencing from samples fro...
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Reposted by Mathieu Lupien
Mathieu Lupien @matlupien.bsky.social · 23/12/2025
Hot from the press: Using single-cell chromatin accessibility and gene expression across ~300,000 cells, we show that prostate cancer dissemination involves phenotypic plasticity over clonal selection, with malignant cells converging toward an inflammatory-like state during lymph node spread.
nature.com
Prostate cancer cells converge to an inflammatory-like state upon metastatic dissemination - Nature Communications
Understanding tumor heterogeneity and its impact on prostate cancer progression remains elusive. Here, single nucleus snATAC and snRNA sequencing of a multi-loci sampled cohort of advanced prostate ca...
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Mathieu Lupien @matlupien.bsky.social · 23/12/2025
Hot from the press: Using single-cell chromatin accessibility and gene expression across ~300,000 cells, we show that prostate cancer dissemination involves phenotypic plasticity over clonal selection, with malignant cells converging toward an inflammatory-like state during lymph node spread.
nature.com
Prostate cancer cells converge to an inflammatory-like state upon metastatic dissemination - Nature Communications
Understanding tumor heterogeneity and its impact on prostate cancer progression remains elusive. Here, single nucleus snATAC and snRNA sequencing of a multi-loci sampled cohort of advanced prostate ca...
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Reposted by Mathieu Lupien
Job Dekker @jobdekker.bsky.social · 17/12/2025
A major output of the 4D Nucleome project appeared today. This is the joint effort of many scientists working together and (publicly) sharing data and results for several years. We hope this is of interest to many genome biologists! www.nature.com/articles/s41...
nature.com
An integrated view of the structure and function of the human 4D nucleome - Nature
The 4D Nucleome Project demonstrates the use of genomic assays and computational methods to measure genome folding and then predict genomic structure from DNA sequence, facilitatin...
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Reposted by Mathieu Lupien
Guillaume Bourque @guilbourque.bsky.social · 12/12/2025
Exciting new conference!
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Reposted by Mathieu Lupien
Mathieu Lupien @matlupien.bsky.social · 27/11/2025
Our lab website just got a major refresh to better present: Our research philosophy: why chromatin is central to our work. A snapshot of our culture: diverse, collaborative, impact-driven. Our priorities: how we translate discoveries into clinical reality. Check it out
lupienlab.uhnresearch.ca
Lupien Lab
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Mathieu Lupien @matlupien.bsky.social · 12/12/2025
www.linkedin.com/posts/mathie...
linkedin.com
Cancer is fundamentally a complex, multifactorial disease, and research fields have grown from viewing cancer through different mechanistic lenses. 1.    Cancer as an immune-related disease. This… |...
Cancer is fundamentally a complex, multifactorial disease, and research fields have grown from viewing cancer through different mechanistic lenses. 1.    Cancer as an immune-related disease. This vi...
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Mathieu Lupien @matlupien.bsky.social · 27/11/2025
Our lab website just got a major refresh to better present: Our research philosophy: why chromatin is central to our work. A snapshot of our culture: diverse, collaborative, impact-driven. Our priorities: how we translate discoveries into clinical reality. Check it out
lupienlab.uhnresearch.ca
Lupien Lab
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Reposted by Mathieu Lupien
Springer Nature @springernature.com · 14/11/2025
One of our top-rated posts on @altmetric.com this past was published in @nataging.nature.com. You can read 'Multilingualism protects against accelerated aging in cross-sectional and longitudinal analyses of 27 European countries' here: spklr.io/63325BMpTZ
spklr.io
Multilingualism protects against accelerated aging in cross-sectional and longitudinal analyses of 27 European countries - Nature Aging
In cross-sectional and longitudinal analyses of 86,149 participants across 27 European countries, Amoruso, Hernandez and colleagues identify multilingualism as a protective factor against accelerated aging, using biobehavioral age gaps.
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Mathieu Lupien @matlupien.bsky.social · 11/11/2025
Lest We Forget N'oublions Jamais
Français :
L’image montre un vaste champ de coquelicots rouges éclatants sous un ciel sombre et orageux. Les fleurs, d’un rouge vif, contrastent fortement avec les tons gris et noirs du paysage environnant. Le soleil perce entre les nuages à l’horizon, projetant un rayon lumineux qui illumine certaines fleurs au premier plan. Les coquelicots, aux pétales ouverts et délicats, semblent danser doucement dans la lumière. L’atmosphère est à la fois dramatique et paisible — un moment suspendu entre la tempête et la sérénité, entre l’ombre et la lumière.

English:
The image shows a vast field of bright red poppies beneath a dark, stormy sky. The vivid red flowers stand out sharply against the gray and black tones of the surrounding landscape. The sun breaks through the clouds on the horizon, casting a beam of light that illuminates some of the poppies in the foreground. Their open, delicate petals appear to sway gently in the light. The overall mood is both dramatic and peaceful — a suspended moment between storm and calm, between shadow and light.
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Mathieu Lupien @matlupien.bsky.social · 11/11/2025
DNA replication is only half the story. Cells actually replicate their chromatin, ensuring that both the DNA sequences and the chromatin states are faithfully maintained to preserve cell identity and function after division. Here's a glimpse of how this process unfolds, courtesy of theCrux:
youtube.com
Epigenetic Replication during DNA Replication - Replicating histones and DNA methylation
YouTube video by theCrux
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Reposted by Mathieu Lupien
W. Brent Derry @wbderry.bsky.social · 28/10/2025
Fantastic opportunity at The Hospital for Sick Children. Please repost. www.nature.com/naturecareer...
nature.com
SCIENTIST – Developmental, Stem Cell & Cancer Biology Program - Toronto (City), Ontario (CA) job with The Hospital for Sick Children - Developmental & Stem Cell Biology Program | 12848200
Discovery-based and/or translational research using model organism genetics and/or stem cell and organoid platforms to study paediatric cancer.
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Reposted by Mathieu Lupien
Trevor Graham @trevorgraham.bsky.social · 14/10/2025
We have two fantastically well-funded #PhD studentships available through the @evomg-dn.bsky.social #EU doctoral network (led by brilliant @mirimiam.bsky.social, @crg.eu). These enable students to move to the UK and come and work with us @icr.ac.uk to exploit #cancer #evolution for patient benefit.
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Reposted by Mathieu Lupien
Rob Klose @robklose.bsky.social · 08/10/2025
Wonderful opportunity to work with Martin Howard and my group trying to understand how chromatin influences gene transcription and expression. Integration of theory, modelling, and experimentation. Come and join the team! Please repost! jobs.jic.ac.uk/Details.asp?...
jobs.jic.ac.uk
John Innes Centre
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Reposted by Mathieu Lupien
Jamie Hackett @jamiehackett.bsky.social · 27/09/2025
❓Can a father’s environmental exposures before conception influence their offspring? We systematically tackled this - identifying effects of paternal age, environment and genetics on early embryos - as well as confounding influences www.embopress.org/doi/full/10....
embopress.org
Embryonic signatures of intergenerational epigenetic inheritance across paternal environments and genetic backgrounds | The EMBO Journal
imageimagePaternal environmental exposures have been linked with modulation of phenotype and disease risk in offspring via largely unclear mechanisms. This study employs in vitro fertilization and sin...
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Reposted by Mathieu Lupien
Anna Obenauf @obenaufa.bsky.social · 04/09/2025
Exciting FULL PROFESSORSHIP at the Vienna BioCenter - Molecular Mechanisms of Disease Mechanisms: www.maxperutzlabs.ac.at/news/open-po... Come be our colleague!
maxperutzlabs.ac.at
Full Professorship in Molecular Mechanisms of Disease
The Max Perutz Labs - one of Europe’s leading institutes for basic research in the life sciences - invite applications for a Full Professorship in Molecular Mechanisms of Disease. We are seeking outst...
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Mathieu Lupien @matlupien.bsky.social · 29/08/2025
Every so often, a paper lands at exactly the right moment. This one’s a gem. Can’t wait to try out this new strategy for delivering CRISPRoff chromatin-editing tools into our favorite cellular model system. Congrats to James K Nuñez and his team: www.nature.com/articles/s41...
nature.com
Programmable epigenome editing by transient delivery of CRISPR epigenome editor ribonucleoproteins - Nature Communications
Epigenome editing programs gene silencing without inducing DNA breaks but challenges in delivery into human cells limit its broader use. Here, the authors present the RENDER platform, which uses virus...
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Reposted by Mathieu Lupien
Schubeler Lab @schubelerlab.bsky.social · 07/08/2025
Excited to see this published with additional data following our preprint a while back. Cool combination (in our biased view) of controlled TF expression and machine learning to decode chromatin sensitivity. www.sciencedirect.com/science/arti....
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Reposted by Mathieu Lupien
10x Genomics @10xgenomics.bsky.social · 07/08/2025
This acquisition will bring together two pioneering companies with a shared vision: to make single cell analysis more powerful, affordable and accessible to researchers worldwide. Learn more: bit.ly/4mAWAS8
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Mathieu Lupien @matlupien.bsky.social · 31/07/2025
One often hears that DNA is the blueprint of life. Today, I read a really nice paper that begins with "proteins are the cornerstone of life". By that logic, I might start referring to RNA as the scaffold, and chromatin as the framework that shapes it all. Regardless, the paper is a must-read:
sciencedirect.com
Comprehensive human proteome profiles across a 50-year lifespan reveal aging trajectories and signatures
Proteins are the cornerstone of life. However, the proteomic blueprint of aging across human tissues remains uncharted. Here, we present a comprehensi…
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Reposted by Mathieu Lupien
Mathieu Lupien @matlupien.bsky.social · 30/07/2025
Congratulations to this new generation of leading cancer scientists, and to the message they’re sending, with 50% of the awardees placing epigenetics at the heart of their research. The future is speaking. The path forward is both bright and bold.
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Mathieu Lupien @matlupien.bsky.social · 30/07/2025
Nice study showing how DNA mutagenesis can be driven by transcription factor (TF) competition with mismatch repair machinery: www.cell.com/cell/fulltex... Worth considering alongside the uneven mutagenesis of TF cistromes tied to their cancer-type-specific essentiality: www.cell.com/cancer-cell/...
cell.com
DNA mutagenesis driven by transcription factor competition with mismatch repair
Competition between transcription factors and mismatch repair machinery drives localized hypermutation at regulatory elements, with implications for cancer and genome evolution.
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Reposted by Mathieu Lupien
Ian Scott @icscott.bsky.social · 28/07/2025
Great opportunity to join the vibrant developmental biology in Toronto (and boss around me and @wbderry.bsky.social). jobs.sciencecareers.org/job/673968/p...
jobs.sciencecareers.org
Program Head – Developmental, Stem Cell, and Cancer Biology - Toronto (Region), Ontario (CA) job with The Hospital for Sick Children (SickKids) Research Institute | 673968
Provide leadership and mentorship to members of the Developmental, Stem Cell & Cancer and influence the scientific direction of the Research Institute
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Mathieu Lupien @matlupien.bsky.social · 23/07/2025
A jewel of a presentation on the history of chromatin. Always a pleasure to go back in time with those who helped shape it. I am grateful for the insights and stories shared by Drs. Ada and Donald Olins. youtu.be/QExPH1bVbGU
youtu.be
The History and Mystery of Chromatin
YouTube video by University of New England
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Mathieu Lupien @matlupien.bsky.social · 23/07/2025
A jewel of a presentation on the history of chromatin. Always a pleasure to go back in time with those who helped shape it. I am grateful for the insights and stories shared by Drs. Ada and Donald Olins. youtu.be/QExPH1bVbGU
youtu.be
The History and Mystery of Chromatin
YouTube video by University of New England
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Mathieu Lupien @matlupien.bsky.social · 21/07/2025
Less than a month to go until the GRC on Hormone-Dependent Cancers! Looking forward to reconnecting with the community and sharing our latest on epigenomics of ecDNAs in tumor evolution. www.grc.org/hormone-depe...
grc.org
2025 Hormone-Dependent Cancers Conference GRC
The 2025 Gordon Research Conference on Hormone-Dependent Cancers will be held in Newry, Maine. Apply today to reserve your spot.
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Fusion Conferences @fusionconf.bsky.social · 17/07/2025
Are you currently in the ERE related field & want to find new collaborative opportunities? Join our Chairs @chiappinellilab.bsky.social, @shenhui1986.bsky.social, Ting & Tao at #EREHD25 this Nov! 🎙️Talk Submission extended to 03 Sept 💰Final few $500 grants remaining Don't Miss out! bit.ly/4eRq9Mp
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Mathieu Lupien @matlupien.bsky.social · 16/07/2025
If you're into super-resolution microscopy, check out the new story from Myles Brown's lab showing how chromatin architecture responds to hormone signaling at enhancers. Dynamic, ligand-dependent changes in H3K27ac structure with implications for endocrine resistance. www.biorxiv.org/content/10.1...
biorxiv.org
Super-resolution microscopy reveals distinct epigenetic states regulated by estrogen receptor activity
Changes in gene expression regulated by ligand-dependent transcription factors such as estrogen receptor-α (ERα) involves the recruitment of coactivators including p300 that acetylates histone H3 at l...
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